feat(ai-avatar): 前端对接 #1826 后端契约 — 对口型模式A/语速情绪透传/智能封面/标题字段映射

- 对口型模式A: video_url(素材换file_url,禁传video_asset_id)+voice_id+script_text+speed+emotion(英文枚举)
- 标题 title_config 按 build_title_drawtext_filter 真实口径映射(text/font_size/font_color/position默认bottom/enabled/bold/stroke/shadow), 弃用文档误写的 titles[]/fontSize/frame
- 封面按钮接通 POST /ai-avatar/render/smart-cover, 基于对口型成片MediaKit选帧
- 试听 previewTts 透传 speed + 情绪中文→英文(natural/excited/calm/friendly)
- 新增 utils/contract.ts 转换层; types 补 pos_x/pos_y、smart_cover_url, 标题默认位置 bottom
- 同步 develop 全部前端修复(进度弹窗/标题TextArea实时预览/白屏修复/文案库/侧边栏等)

.gitea/workflows/ci-pipeline.yml

@@ -20,7 +20,6 @@ on:
         default: "手动触发 - CI漏触发补跑"
 permissions:
   contents: read
-  pull-requests: read
 concurrency:
   group: ci-pipeline-${{ gitea.ref }}
   cancel-in-progress: true
@@ -89,22 +88,9 @@ jobs:
         GITHUB_TOKEN: ${{ github.token }}
       run: |
         set -eu
-        # 优先用 git diff 判断 PR 改动范围（比 API 稳定）
         PR_NUMBER=$(echo "$GITHUB_REF" | sed 's|refs/pull/||; s|/.*||')
-        if command -v git >/dev/null 2>&1 && [ -d .git ]; then
-          FILES=$(git diff --name-only origin/develop...HEAD 2>/dev/null || true)
-        fi
-        if [ -z "${FILES:-}" ]; then
-          # fallback 到 API
-          API_URL="${GITHUB_API_URL}/repos/${GITHUB_REPOSITORY}/pulls/${PR_NUMBER}/files?limit=300"
-          FILES=$(curl -sf -H "Authorization: token ${GITHUB_TOKEN}" "$API_URL" | python3 -c "import sys,json; [print(f['filename']) for f in json.load(sys.stdin)]" 2>/dev/null || true)
-        fi
-        if [ -z "${FILES:-}" ]; then
-          echo "⚠️ 无法获取变更文件列表，保守运行完整 CI"
-          echo "skip_backend=false" >> $GITHUB_OUTPUT
-          echo "skip_frontend=false" >> $GITHUB_OUTPUT
-          exit 0
-        fi
+        API_URL="${GITHUB_API_URL}/repos/${GITHUB_REPOSITORY}/pulls/${PR_NUMBER}/files?limit=300"
+        FILES=$(curl -s -H "Authorization: token ${GITHUB_TOKEN}" "$API_URL" | python3 -c "import sys,json; [print(f['filename']) for f in json.load(sys.stdin)]")
         FRONTEND_COUNT=$(echo "$FILES" | grep -c '^apps/web/' || true)
         BACKEND_COUNT=$(echo "$FILES" | grep -cv '^apps/web/' || true)
         TOTAL=$(echo "$FILES" | grep -cv '^$' || true)
@@ -196,7 +182,7 @@ jobs:
     - name: Run style checks
       shell: bash
       run: bash scripts/ci/validate_style.sh
-    - name: Auto-fix formatting (black + isort + ruff)
+    - name: Auto-fix formatting (black + isort)
       if: failure()
       shell: sh
       env:
@@ -827,6 +813,9 @@ jobs:
         CACHE_REF="${REGISTRY}/${{ matrix.cache_name }}:develop"
 
         EXTRA_BUILD_ARGS="APP_VERSION=\"${GITHUB_SHA}\""
+        if [ "${{ matrix.service }}" = "web" ]; then
+          EXTRA_BUILD_ARGS="$EXTRA_BUILD_ARGS NGINX_CONF=infra/docker/nginx-staging.conf"
+        fi
 
         # Worker 与 API/Web 统一走持久 builder（ci-builder-persist），共享宿主机层缓存
         NO_CACHE_FLAG=""
@@ -1023,6 +1012,9 @@ jobs:
         CACHE_REF="${REGISTRY}/${{ matrix.cache_name }}:${GITHUB_REF_NAME}"
 
         EXTRA_BUILD_ARGS="APP_VERSION=\"${GITHUB_SHA}\""
+        if [ "${{ matrix.service }}" = "web" ]; then
+          EXTRA_BUILD_ARGS="$EXTRA_BUILD_ARGS NGINX_CONF=infra/docker/nginx-staging.conf"
+        fi
 
         NO_CACHE_FLAG=""
         for i in 1 2 3; do
@@ -1470,6 +1462,7 @@ jobs:
       - validate-security
       - validate-python
       - unit-tests
+      - frontend-lint
       - frontend-unit-test
     if: github.event_name == 'push' && github.ref_name == 'main' && !failure() && !cancelled()
     strategy:
@@ -1560,6 +1553,9 @@ jobs:
         CACHE_REF="${REGISTRY}/${{ matrix.cache_name }}:main"
 
         EXTRA_BUILD_ARGS="APP_VERSION=\"${TAG_NAME}\""
+        if [ "${{ matrix.service }}" = "web" ]; then
+          EXTRA_BUILD_ARGS="$EXTRA_BUILD_ARGS NGINX_CONF=infra/docker/nginx-production.conf"
+        fi
 
         # Docker build 带重试：失败自动重试2次，第2次重试加--no-cache
         NO_CACHE_FLAG=""
@@ -2123,4 +2119,3 @@ jobs:
           START_TIME=""
           [ -f /tmp/ci_job_start_time ] && START_TIME=$(cat /tmp/ci_job_start_time)
           curl -sfH "Authorization: token ${GITHUB_TOKEN:-$GITEA_TOKEN}" -o /tmp/_ci_trace.py "${GITHUB_API_URL}/repos/${GITHUB_REPOSITORY}/raw/scripts/ci/ci_trace_report.py?ref=${GITHUB_SHA}" 2>/dev/null && python3 /tmp/_ci_trace.py --service xiaoxia-saas-ci --status $STATUS --start-time "$START_TIME" || true
-# CI retry trigger

.gitea/workflows/debug-web-v2.yml

@@ -1,60 +0,0 @@
-name: "Debug: Web container v2 (mount conflict)"
-on:
-  push:
-    branches: [debug/web-crash-v2]
-  workflow_dispatch:
-jobs:
-  web-diag:
-    runs-on: runtime-builder
-    timeout-minutes: 10
-    steps:
-      - name: Setup SSH and diagnose
-        shell: bash
-        env:
-          STAGING_SSH_KEY: ${{ secrets.PREVIEW_SSH_KEY }}
-        run: |
-          set -x
-          which ssh || (apt-get update -qq && apt-get install -y -qq openssh-client)
-          mkdir -p ~/.ssh && chmod 700 ~/.ssh
-          printf "%s" "$STAGING_SSH_KEY" > ~/.ssh/id_rsa
-          chmod 600 ~/.ssh/id_rsa
-          H=47.98.113.167; P=22222
-          ssh-keyscan -p $P -H $H >> ~/.ssh/known_hosts 2>/dev/null
-          ssh -p $P -i ~/.ssh/id_rsa -o StrictHostKeyChecking=no root@$H 'bash -s' <<'REMOTE'
-          set -x
-          echo "=== Current staging containers ==="
-          docker ps -a --filter name=xiaoxia-*-staging --format "table {{.Names}}\t{{.Status}}\t{{.Image}}"
-          echo ""
-          echo "=== Web container logs (current/current-rolledback) ==="
-          docker logs xiaoxia-web-staging 2>&1 | tail -40
-          echo ""
-          echo "=== Web inspect: env & mounts ==="
-          docker inspect xiaoxia-web-staging --format 'Entrypoint: {{.Config.Entrypoint}} Cmd: {{.Config.Cmd}}'
-          docker inspect xiaoxia-web-staging --format '{{range .Config.Env}}{{.}}{{"\n"}}{{end}}' | grep -E "APP_ENV|VERSION"
-          echo "Mounts:"
-          docker inspect xiaoxia-web-staging --format '{{range .Mounts}}{{.Type}} {{.Source}} -> {{.Destination}} (rw={{.RW}}){{"\n"}}{{end}}'
-          echo ""
-          echo "=== Reproduce: rm on read-only bind mount ==="
-          docker run --rm --name nginx-ro-test \
-            -v /var/lib/xiaoxia-saas-staging/nginx-staging.conf:/etc/nginx/conf.d/default.conf:ro \
-            git.xiaoxiajianji.com/xiaoxia/xiaoxia-saas/xiaoxia-saas-web:387514c \
-            sh -c '
-              set -x
-              echo "Before:"
-              ls -la /etc/nginx/conf.d/
-              echo "Try rm (as entrypoint does):"
-              rm -f /etc/nginx/conf.d/default.conf
-              echo "rm exitcode=$?"
-              echo "After rm:"
-              ls -la /etc/nginx/conf.d/
-              echo "Test ln:"
-              ln -s /etc/nginx/nginx-staging.conf /etc/nginx/conf.d/default.conf
-              echo "ln exitcode=$?"
-              ls -la /etc/nginx/conf.d/
-              echo "nginx -t:"
-              nginx -t 2>&1
-            ' 2>&1
-          echo ""
-          echo "=== Also test with NEW fixed image (9c0d4b1 if present) ==="
-          docker images | grep xiaoxia-saas-web | head -5
-REMOTE

EMPTY_COMMIT.txt

@@ -1 +0,0 @@
-retrigger3

README.md

@@ -263,4 +263,3 @@ pytest --cov=packages --cov-report=html
 ---
 
 **License**: MIT
-<!-- CI trigger: 1788229339 -->

alembic/versions/075_add_sentence_timings.py

@@ -1,27 +0,0 @@
-"""add sentence_timings to lipsync_jobs
-
-Revision ID: 075_add_sentence_timings
-Revises: 074_ai_avatar_render_script_id_optional
-Create Date: 2026-09-12
-"""
-
-import sqlalchemy as sa
-
-from alembic import op
-
-revision = "075_add_sentence_timings"
-down_revision = "074_render_script_id_optional"
-branch_labels = None
-depends_on = None
-
-
-def upgrade() -> None:
-    with op.batch_alter_table("lipsync_jobs") as batch:
-        batch.add_column(
-            sa.Column("sentence_timings", sa.JSON(), nullable=True),
-        )
-
-
-def downgrade() -> None:
-    with op.batch_alter_table("lipsync_jobs") as batch:
-        batch.drop_column("sentence_timings")

apps/api/app/api/routes/ai_avatar_render.py

@@ -11,14 +11,13 @@
 from __future__ import annotations
 
 import logging
-from datetime import datetime, timezone
 
 from app.auth import AuthenticatedUser, get_current_user
 from app.dependencies import get_db_session
 from app.schemas.ai_avatar_render import (
     AiAvatarRenderJobResponse,
     CreateAiAvatarRenderRequest,
-    FinalizeRenderResponse,
+    SmartCoverRequest,
     SmartCoverResponse,
 )
 from app.services.ai_avatar_cover_service import generate_smart_cover
@@ -78,16 +77,10 @@ def create_render_job(
         from app.tasks.ai_avatar_render import execute_ai_avatar_render
 
         execute_ai_avatar_render.delay(job.id)
-    except Exception as exc:
-        logger.exception("Celery 任务投递失败（创建）: job_id=%s err=%s", job.id, exc)
-        job.status = "failed"
-        job.error_message = f"任务提交失败：{exc}"
-        job.updated_at = datetime.now(timezone.utc)
-        svc.db.commit()
-        svc.db.refresh(job)
-        return AiAvatarRenderJobResponse.model_validate(job)
+    except Exception:
+        logger.warning("Celery 任务提交失败，渲染任务已创建但未触发执行: %s", job.id)
 
-    return AiAvatarRenderJobResponse.model_validate(job)
+    return job
 
 
 # ── GET /jobs — 任务列表 ─────────────────────────────────────────────────
@@ -179,146 +172,38 @@ def retry_render_job(
         from app.tasks.ai_avatar_render import execute_ai_avatar_render
 
         execute_ai_avatar_render.delay(job.id)
-    except Exception as exc:
-        logger.exception("Celery 任务投递失败（重试）: job_id=%s err=%s", job.id, exc)
-        job.status = "failed"
-        job.error_message = f"任务提交失败：{exc}"
-        job.updated_at = datetime.now(timezone.utc)
-        svc.db.commit()
-        svc.db.refresh(job)
-        return AiAvatarRenderJobResponse.model_validate(job)
+    except Exception:
+        logger.warning("Celery 任务提交失败，重试任务已重置但未触发执行: %s", job.id)
 
-    return AiAvatarRenderJobResponse.model_validate(job)
+    return job
 
 
-# ── POST /{job_id}/smart-cover — 从最终成片智能抽封面（步骤②）────────
+
+# ── POST /smart-cover — 智能获取封面（MediaKit 抽帧 + 评分选帧）────────
 
 
-@router.post("/{job_id}/smart-cover", response_model=SmartCoverResponse)
-def generate_render_smart_cover(
-    job_id: str,
+@router.post("/smart-cover", response_model=SmartCoverResponse)
+def generate_avatar_smart_cover(
+    body: SmartCoverRequest,
     current_user: AuthenticatedUser = Depends(get_current_user),
-    db: Session = Depends(get_db_session),
-):
-    """从最终渲染成片智能抽帧生成封面（MediaKit 抽帧 + 评分选最佳帧 + 转存 OSS）.
+) -> SmartCoverResponse:
+    """智能获取数字人视频封面.
 
-    - 必须等渲染任务 completed 后才可调用（否则返回 400）
-    - 生成成功后自动更新 render_job 的 cover_config 与 output_cover_url
+    复用智能剪辑的 MediaKit 抽帧 + 质量评分选最佳帧逻辑（非 FFmpeg 简单截帧），
+    并将选中帧转存到自家 OSS，返回非临时的封面公网 URL。
+
+    前端「智能获取封面」按钮可直接调用本接口；不依赖渲染任务完成。
     """
-    from app.services.ai_avatar_render_service import AiAvatarRenderService
-
-    svc = AiAvatarRenderService(db)
-    job = svc.get_render_job(job_id, current_user.user.id)
-    if job is None:
-        raise HTTPException(status_code=404, detail="渲染任务不存在")
-    if job.status != "completed":
-        raise HTTPException(status_code=400, detail="请先完成视频生成")
-    video_url = (job.output_video_url or "").strip()
-    if not video_url:
-        raise HTTPException(status_code=400, detail="渲染成片视频 URL 为空")
-
-    try:
-        # 从最终成片抽帧，帧本身已含标题/B-roll，直接转存 OSS
-        cover_url = generate_smart_cover(video_url, job_id=job_id, max_frames=5)
-    except Exception as exc:
-        logger.error(
-            "渲染成片智能封面生成异常: user=%s render_id=%s video_url=%s err=%s",
-            current_user.user.id,
-            job_id,
-            video_url[:80],
-            exc,
-            exc_info=True,
-        )
-        cover_url = ""
+    video_url = (body.video_url or "").strip()
+    if not video_url.startswith(("http://", "https://")):
+        raise HTTPException(status_code=400, detail="video_url 必须是合法的 HTTP/HTTPS URL")
 
+    cover_url = generate_smart_cover(video_url, max_frames=body.max_frames)
     if not cover_url:
         return SmartCoverResponse(
             cover_url="",
             status="fallback_failed",
             message="智能抽帧失败（MediaKit 不可用或抽帧异常），请稍后重试",
         )
-
-    # 更新 render_job 的封面字段（异步写入 DB；失败不影响返回）
-    try:
-        job.cover_config = {
-            **(job.cover_config if isinstance(job.cover_config, dict) else {}),
-            "mode": "auto_frame",
-            "url": cover_url,
-        }
-        job.output_cover_url = cover_url
-        job.updated_at = datetime.now(timezone.utc)
-        db.commit()
-    except Exception as exc:
-        logger.warning("更新 render_job 封面字段失败（不影响返回）: job_id=%s err=%s", job_id, exc)
-
-    logger.info(
-        "渲染成片智能封面生成成功: user=%s render_id=%s cover_url=%s",
-        current_user.user.id,
-        job_id,
-        cover_url[:120],
-    )
+    logger.info("智能封面生成成功: user=%s", current_user.user.id)
     return SmartCoverResponse(cover_url=cover_url, status="completed")
-
-# ── POST /{job_id}/finalize — 封面选定后正式入库成片库 ────────────────────
-
-
-@router.post("/{job_id}/finalize", response_model=FinalizeRenderResponse)
-def finalize_render_job(
-    job_id: str,
-    current_user: AuthenticatedUser = Depends(get_current_user),
-    db: Session = Depends(get_db_session),
-):
-    """用户完成封面选择后，将视频正式保存到成片库.
-
-    - 必须等渲染任务 completed 后才可调用
-    - 如果已通过 smart-cover/custom-cover 设置了封面，会自动带上
-    - 返回成片库视频ID
-    - 幂等：已 finalize 的任务重复调用会返回 existing 记录
-    """
-    from app.services.ai_avatar_render_service import AiAvatarRenderError, AiAvatarRenderService
-
-    svc = AiAvatarRenderService(db)
-    job = svc.get_render_job(job_id, current_user.user.id)
-    if job is None:
-        raise HTTPException(status_code=404, detail="渲染任务不存在")
-    if job.status != "completed":
-        raise HTTPException(status_code=400, detail="请先完成视频生成")
-
-    # 幂等检查（通过 generation_task_id=job_id 识别，finalize_job 内部也做了一次，这里提前返回简化）
-    from packages.adapters.sqlalchemy_impl.models import GeneratedVideoModel
-
-    existing = (
-        db.query(GeneratedVideoModel)
-        .filter(
-            GeneratedVideoModel.user_id == current_user.user.id,
-            GeneratedVideoModel.generation_task_id == job_id,
-        )
-        .first()
-    )
-    if existing is not None:
-        return FinalizeRenderResponse(
-            video_id=existing.id,
-            cover_url=existing.thumbnail_url or "",
-            status="already_finalized",
-        )
-
-    try:
-        video = svc.finalize_job(job_id, current_user.user.id)
-        return FinalizeRenderResponse(
-            video_id=video.id,
-            cover_url=video.thumbnail_url or job.output_cover_url or "",
-            status="success",
-        )
-    except AiAvatarRenderError as exc:
-        status_map = {
-            "RenderJobNotFound": 404,
-            "RenderNotCompleted": 400,
-            "OutputVideoMissing": 400,
-        }
-        raise HTTPException(
-            status_code=status_map.get(exc.code, 400),
-            detail=str(exc),
-        ) from exc
-    except Exception as exc:
-        logger.error("渲染任务finalize失败: job_id=%s err=%s", job_id, exc, exc_info=True)
-        raise HTTPException(status_code=500, detail=f"保存到成片库失败: {str(exc)}") from exc

apps/api/app/api/routes/chunked_upload.py

@@ -177,8 +177,8 @@ def _cleanup_expired_uploads() -> int:
                 meta_file.unlink()
                 cleaned += 1
                 logger.info(f"Cleaned up expired upload: {upload_id}")
-        except Exception:
-            logger.exception("Failed to cleanup upload metadata: %s", meta_file)
+        except Exception as e:
+            logger.warning(f"Failed to cleanup upload metadata {meta_file}: {e}")
 
     return cleaned
 

apps/api/app/api/routes/generation_tasks.py

@@ -58,10 +58,27 @@ def _variant_value(values: list[str], index: int, fallback: str = "") -> str:
 
 
 def _query_voice_durations(db: Session, voice_ids: list[str]) -> list[float]:
-    """[已下沉] 路由层兼容别名 → app.services.generation_common.query_voice_durations。"""
-    from app.services.generation_common import query_voice_durations
+    """批量查询配音素材时长（秒），#1749 配音时长分配用。
 
-    return query_voice_durations(db, voice_ids)
+    逐项 try/float 硬化：MagicMock/异常/缺失 → 0.0（无配音不分配，不阻断）。
+    """
+    ids = [v for v in dict.fromkeys(voice_ids or []) if v]
+    if not ids:
+        return []
+    try:
+        from packages.adapters.sqlalchemy_impl.models import AssetModel
+
+        rows = db.query(AssetModel.id, AssetModel.duration).filter(AssetModel.id.in_(ids)).all()
+        dur_map: dict[str, float] = {}
+        for row in rows:
+            try:
+                dur_map[row[0]] = float(row[1] or 0.0)
+            except (TypeError, ValueError):
+                dur_map[row[0]] = 0.0
+        return [dur_map.get(v, 0.0) for v in ids]
+    except Exception:
+        logger.warning("[生成任务] 配音时长查询失败（按无配音处理，不阻断）", exc_info=True)
+        return [0.0 for _ in ids]
 
 
 def _to_generation_task_response(task) -> GenerationTaskResponse:
@@ -167,10 +184,61 @@ def _writeback_edit_plan_config(
     title_config: dict | None,
     db: Session,
 ) -> None:
-    """[已下沉] 路由层兼容别名 → app.services.generation_common.writeback_edit_plan_config。"""
-    from app.services.generation_common import writeback_edit_plan_config
+    """任务入队成功后，回写 EditPlan.config：generation_task_id + title_config。
 
-    return writeback_edit_plan_config(plan_id, task_id, title_config, db)
+    用 merge 方式更新，不整体覆盖 config，避免丢失其他字段。
+    失败只记日志，不影响任务创建。
+    """
+    if not plan_id:
+        return
+    try:
+        from packages.adapters.sqlalchemy_impl.models import EditPlanModel
+
+        plan_model = db.query(EditPlanModel).filter(EditPlanModel.id == plan_id).first()
+        if plan_model is None:
+            logger.warning("[生成任务] 回写plan.config失败: plan不存在 plan_id=%s", plan_id)
+            return
+
+        current_config = plan_model.config if isinstance(plan_model.config, dict) else {}
+        merged = dict(current_config)
+        merged["generation_task_id"] = task_id
+
+        # 检查标题是否发生变化，如果变化则清除 cover 字段强制重新生成封面
+        if title_config:
+            old_title_config = merged.get("title_config", {}) or {}
+            old_title_text = (old_title_config.get("text") or "").strip()
+            new_title_text = (title_config.get("text") or "").strip()
+            if old_title_text != new_title_text:
+                # 标题变化，清除旧封面
+                if "cover" in merged:
+                    del merged["cover"]
+                    logger.info(
+                        "[生成任务] 标题变化，清除旧封面: plan_id=%s old_title=%s new_title=%s",
+                        plan_id,
+                        old_title_text,
+                        new_title_text,
+                    )
+            merged["title_config"] = title_config
+
+        plan_model.config = merged
+        db.commit()
+        logger.info(
+            "[生成任务] 回写plan.config成功: plan_id=%s task_id=%s keys=%s",
+            plan_id,
+            task_id,
+            list(merged.keys()),
+        )
+    except Exception as e:
+        logger.warning(
+            "[生成任务] 回写plan.config异常（不影响任务创建）: plan_id=%s error=%s",
+            plan_id,
+            e,
+            exc_info=True,
+        )
+        try:
+            db.rollback()
+        except Exception:
+            pass
 
 
 def _resolve_project_and_library(
@@ -421,14 +489,25 @@ def create_generation_task(
         # 各变体配音时长（查询硬化：异常 → 0.0 不阻断）
         voice_durations = _query_voice_durations(db, variant_voices)
 
-        # 解析批量源 plan：优先前端传入；否则按 template_id + user 查最新（公共函数）
-        from app.services.generation_common import resolve_latest_plan_by_template
+        # 解析批量源 plan：优先前端传入；否则按 template_id + user 查最新（与单任务兜底同源）
+        batch_source_plan_id = request.source_edit_plan_id
+        if not batch_source_plan_id and request.template_id:
+            try:
+                from packages.adapters.sqlalchemy_impl.models import EditPlanModel
 
-        batch_source_plan_id = (
-            request.source_edit_plan_id
-            or resolve_latest_plan_by_template(db, template_id=request.template_id, user_id=user_id)
-            or ""
-        )
+                _latest = (
+                    db.query(EditPlanModel)
+                    .filter(
+                        EditPlanModel.template_id == request.template_id,
+                        EditPlanModel.created_by_user_id == user_id,
+                    )
+                    .order_by(EditPlanModel.created_at.desc())
+                    .first()
+                )
+                if _latest:
+                    batch_source_plan_id = _latest.id
+            except Exception:
+                logger.warning("[生成任务] 批量源 plan 解析失败", exc_info=True)
 
         if not batch_source_plan_id and not request.variant_plan_ids:
             # 无任何可用源 plan：批量变体无从选片，明确报错，严禁静默共用/同源
@@ -473,12 +552,7 @@ def create_generation_task(
                 ) from clone_err
             variant_plan_ids.append(_plan0.id)
 
-            # #1855 P0：批次区间避让表，从变体0实际clips构建初始值（公共函数）
-            from app.services.generation_common import collect_plan_segments as _collect_segments
-
-            _batch_segments = _collect_segments(_plan0.id, _plan_svc._clip_repo)
-
-            # 变体 1..N-1 独立选片（传入累积batch_segments做素材区间避让）
+            # 变体 1..N-1 独立选片
             for task_index in range(1, count):
                 variant = None
                 last_err: Exception | None = None
@@ -490,7 +564,6 @@ def create_generation_task(
                             created_by_user_id=user_id,
                             name_suffix=f"批量{task_index + 1}",
                             voice_duration=voice_durations[task_index] if task_index < len(voice_durations) else 0.0,
-                            batch_segments=_batch_segments,
                         )
                         break
                     except ValueError as ve:
@@ -522,16 +595,7 @@ def create_generation_task(
                     ) from last_err
                 variant_plan_ids.append(variant.id)
 
-                # #1855 P0：把新变体的clips区间追加到batch_segments，供下一变体避让
-                try:
-                    _new_segs = _collect_segments(variant.id, _plan_svc._clip_repo)
-                    for _aid, _ivs in _new_segs.items():
-                        _batch_segments.setdefault(_aid, []).extend(_ivs)
-                except Exception:
-                    logger.exception("[生成任务] 变体%d 区间收集失败（不阻断）", task_index)
-
-        # ③ 配音时长分配（回传 plan / clone 变体0 均需幂等分配；reselect 已在选片时分配，
-        #    #1855：apply_voice_duration_to_plan 已内置幂等判断，重复调用安全）
+        # ③ 配音时长分配（回传 plan / clone 变体0 均需幂等分配；reselect 已在选片时分配）
         for _vi, _pid in enumerate(variant_plan_ids):
             _vd = voice_durations[_vi] if _vi < len(voice_durations) else 0.0
             if _vd > 0:
@@ -552,13 +616,24 @@ def create_generation_task(
             )
             _single_vd: list[float] = _query_voice_durations(db, _voices)
             _single_dur = _single_vd[0] if _single_vd else 0.0
-            from app.services.generation_common import resolve_latest_plan_by_template
+            _single_plan = request.source_edit_plan_id
+            if not _single_plan and request.template_id:
+                try:
+                    from packages.adapters.sqlalchemy_impl.models import EditPlanModel
 
-            _single_plan = (
-                request.source_edit_plan_id
-                or resolve_latest_plan_by_template(db, template_id=request.template_id, user_id=user_id)
-                or ""
-            )
+                    _latest = (
+                        db.query(EditPlanModel)
+                        .filter(
+                            EditPlanModel.template_id == request.template_id,
+                            EditPlanModel.created_by_user_id == user_id,
+                        )
+                        .order_by(EditPlanModel.created_at.desc())
+                        .first()
+                    )
+                    if _latest:
+                        _single_plan = _latest.id
+                except Exception:
+                    logger.warning("[生成任务] 单任务源 plan 解析失败", exc_info=True)
             if _single_dur > 0 and _single_plan:
                 from app.services.edit_plan_service import EditPlanService
 

apps/api/app/api/routes/generation_variant_plans.py

@@ -90,12 +90,25 @@ def create_variant_plans(
     except VariantVoiceError as exc:
         raise HTTPException(status_code=400, detail=str(exc)) from exc
 
-    # 解析源 plan：显式传入优先；否则按 template_id + user 查最新（公共函数）
-    from app.services.generation_common import resolve_latest_plan_by_template
-
+    # 解析源 plan：显式传入优先；否则按 template_id + user 查最新
     source_plan_id = request.source_edit_plan_id.strip()
     if not source_plan_id and request.template_id.strip():
-        source_plan_id = resolve_latest_plan_by_template(db, template_id=request.template_id, user_id=user_id) or ""
+        try:
+            from packages.adapters.sqlalchemy_impl.models import EditPlanModel
+
+            _latest = (
+                db.query(EditPlanModel)
+                .filter(
+                    EditPlanModel.template_id == request.template_id.strip(),
+                    EditPlanModel.created_by_user_id == user_id,
+                )
+                .order_by(EditPlanModel.created_at.desc())
+                .first()
+            )
+            if _latest:
+                source_plan_id = _latest.id
+        except Exception:
+            logger.warning("[variant-plans] 源 plan 解析失败", exc_info=True)
 
     if not source_plan_id:
         raise HTTPException(
@@ -109,7 +122,7 @@ def create_variant_plans(
 
         voice_durations = _query_voice_durations(db, voices)
     except Exception:
-        logger.exception("[variant-plans] 配音时长查询失败（按占位段长选片）")
+        logger.warning("[variant-plans] 配音时长查询失败（按占位段长选片）", exc_info=True)
         voice_durations = [0.0] * request.count
 
     from app.services.edit_plan_service import EditPlanService
@@ -130,7 +143,7 @@ def create_variant_plans(
     except HTTPException:
         raise
     except Exception as e:
-        logger.exception("[variant-plans] 选片异常")
+        logger.error("[variant-plans] 选片异常: %s", e, exc_info=True)
         raise HTTPException(status_code=500, detail="选片失败，请稍后重试") from e
 
     # 组装 clips 响应

apps/api/app/api/routes/lipsync.py

@@ -1,12 +1,11 @@
-"""对口型 API 路由 — #1796 MediaKit 对口型, #1809 参数调整, #1845 配音前置.
+"""对口型 API 路由 — #1796 MediaKit 对口型.
 
 接口：
-  POST   /api/v1/lipsync/jobs          提交对口型任务（支持 TTS/直传/预合成 三种模式）
+  POST   /api/v1/lipsync/jobs          提交对口型任务
   GET    /api/v1/lipsync/jobs          任务列表
   GET    /api/v1/lipsync/jobs/{id}     任务详情
   POST   /api/v1/lipsync/jobs/{id}/refresh  刷新任务状态
   POST   /api/v1/lipsync/jobs/{id}/cancel   取消任务
-  POST   /api/v1/lipsync/tts-preview   #1845 步骤1 TTS 预合成（同步 HTTP，~2-3s）
 """
 
 from __future__ import annotations
@@ -14,19 +13,11 @@ from __future__ import annotations
 import logging
 
 from app.auth import AuthenticatedUser, get_current_user
-from app.dependencies import (
-    get_db_session,
-    get_voice_clone_profile_repository,
-)
-from app.schemas.lipsync import (
-    AiAvatarTtsPreviewRequest,
-    AiAvatarTtsPreviewResponse,
-    CreateLipsyncJobRequest,
-    LipsyncJobResponse,
-)
+from app.dependencies import get_db_session, get_voice_clone_profile_repository
+from app.schemas.lipsync import CreateLipsyncJobRequest, LipsyncJobResponse
 from app.services.lipsync_service import LipsyncService
 from app.services.mediakit_client import MediaKitError
-from fastapi import APIRouter, BackgroundTasks, Depends, HTTPException, Query
+from fastapi import APIRouter, Depends, HTTPException, Query
 from sqlalchemy.orm import Session
 
 logger = logging.getLogger(__name__)
@@ -38,11 +29,7 @@ def _get_service(
     db: Session = Depends(get_db_session),
     voice_clone_repo=Depends(get_voice_clone_profile_repository),
 ) -> LipsyncService:
-    # voice_clone_repo 用于克隆音色 profile 解析
-    return LipsyncService(
-        db,
-        voice_clone_repo=voice_clone_repo,
-    )
+    return LipsyncService(db, voice_clone_repo=voice_clone_repo)
 
 
 # ── POST /jobs — 提交对口型任务 ───────────────────────────────────────────
@@ -56,20 +43,13 @@ def create_lipsync_job(
 ):
     """提交对口型任务.
 
-    三种模式：
-    - TTS 直生（旧版/降级）：传 {video_url, voice_id, script_text, speed?, emotion?}，
-      后端 dispatch Celery 异步任务。
-    - 直接音频：传 {video_url, audio_url}，后端同步下载+算timings+提交MediaKit。
-    - 预合成音频（#1845 新主路径）：传 {video_url, audio_url, audio_duration, sentence_timings}，
-      后端同步ffprobe+写入timings+直接提交MediaKit（~2-3s）。
+    输入人物视频 + 驱动音频，异步生成口型对齐视频。
     """
     try:
         job = svc.create_job(
             user_id=current_user.user.id,
             video_url=body.video_url,
             audio_url=body.audio_url,
-            audio_duration=body.audio_duration,
-            sentence_timings=body.sentence_timings,
             voice_id=body.voice_id,
             script_text=body.script_text,
             speed=body.speed,
@@ -77,14 +57,15 @@ def create_lipsync_job(
             enable_video_loop=body.enable_video_loop,
             project_id=body.project_id,
         )
-    except ValueError as exc:
-        raise HTTPException(status_code=400, detail=str(exc)) from exc
     except MediaKitError as exc:
+        # TTS 合成失败 / 音色无权访问 → 400/403；MediaKit 提交失败 → 502
         status_code = 502
         if exc.code in ("VoiceForbidden",):
             status_code = 403
         elif exc.code in ("InvalidInput", "TTSInvalidParam", "VoiceNotReady"):
             status_code = 400
+        elif exc.code == "TTSSynthesisFailed":
+            status_code = 502
         raise HTTPException(
             status_code=status_code,
             detail={
@@ -93,62 +74,10 @@ def create_lipsync_job(
                 "request_id": getattr(exc, "request_id", ""),
             },
         ) from exc
-    except Exception as exc:
-        logger.error("创建对口型任务异常: %s", exc, exc_info=True)
-        raise HTTPException(
-            status_code=400,
-            detail=f"创建对口型任务失败: {exc}",
-        ) from exc
 
     return job
 
 
-# ── POST /tts-preview — #1845 步骤1 TTS 预合成 ──────────────────────────
-
-
-@router.post("/tts-preview", response_model=AiAvatarTtsPreviewResponse)
-def preview_tts(
-    body: AiAvatarTtsPreviewRequest,
-    current_user: AuthenticatedUser = Depends(get_current_user),
-    svc: LipsyncService = Depends(_get_service),
-):
-    """步骤1「生成配音」同步 TTS 预合成.
-
-    同步执行 TTS 合成 → 下载音频 → ffprobe 时长 → 句子时间戳计算，
-    不创建 LipsyncJob、不转存 OSS，直接返回 CosyVoice 临时 URL（~24h 有效）。
-    耗时约 2-3 秒。
-    """
-    try:
-        result = svc.preview_tts(
-            user_id=current_user.user.id,
-            voice_id=body.voice_id,
-            script_text=body.script_text,
-            speed=body.speed,
-            emotion=body.emotion,
-        )
-    except MediaKitError as exc:
-        status_code = 400
-        if exc.code in ("VoiceForbidden",):
-            status_code = 403
-        elif exc.code in ("TTSNoAudio",):
-            status_code = 502
-        raise HTTPException(
-            status_code=status_code,
-            detail={
-                "code": exc.code,
-                "message": str(exc),
-            },
-        ) from exc
-    except Exception as exc:
-        logger.error("TTS 预合成异常: %s", exc, exc_info=True)
-        raise HTTPException(
-            status_code=400,
-            detail=f"TTS 合成失败: {exc}",
-        ) from exc
-
-    return result
-
-
 # ── GET /jobs — 任务列表 ─────────────────────────────────────────────────
 
 
@@ -183,7 +112,6 @@ def list_lipsync_jobs(
 @router.get("/jobs/{job_id}", response_model=LipsyncJobResponse)
 def get_lipsync_job(
     job_id: str,
-    background: BackgroundTasks,
     current_user: AuthenticatedUser = Depends(get_current_user),
     svc: LipsyncService = Depends(_get_service),
 ):
@@ -191,10 +119,6 @@ def get_lipsync_job(
     job = svc.get_job(job_id, current_user.user.id)
     if job is None:
         raise HTTPException(status_code=404, detail="任务不存在")
-
-    if job.status not in ("completed", "failed"):
-        background.add_task(svc.refresh_job_status, job_id, current_user.user.id)
-
     return job
 
 
@@ -223,13 +147,13 @@ def cancel_lipsync_job(
     current_user: AuthenticatedUser = Depends(get_current_user),
     svc: LipsyncService = Depends(_get_service),
 ):
-    """取消对口型任务（仅 pending/tts_processing/submitted 状态可取消）."""
+    """取消对口型任务（仅 pending/submitted 状态可取消）."""
     job = svc.cancel_job(job_id, current_user.user.id)
     if job is None:
         raise HTTPException(status_code=404, detail="任务不存在")
     if job.status != "cancelled":
         raise HTTPException(
             status_code=400,
-            detail=f"任务状态 {job.status} 不可取消，仅 pending/tts_processing/submitted 可取消",
+            detail=f"任务状态 {job.status} 不可取消，仅 pending/submitted 可取消",
         )
     return job

apps/api/app/api/routes/templates_editor/ai_features.py

@@ -65,8 +65,8 @@ def _build_asset_analyses(
                 if url:
                     video_urls.append(url)
                     valid_asset_ids.append(aid)
-            except Exception:
-                logger.exception("获取素材URL失败: asset_id=%s", aid)
+            except Exception as e:
+                logger.warning("获取素材URL失败: asset_id=%s error=%s", aid, str(e))
 
         if not video_urls:
             logger.info("无可用视频素材，跳过视频理解分析")
@@ -108,7 +108,7 @@ def _build_asset_analyses(
         return analyses
 
     except Exception as e:
-        logger.exception("MediaKit 视频理解异常，将降级到无分析模式: %s", e)
+        logger.warning("MediaKit 视频理解异常，将降级到无分析模式: %s", str(e))
         return {}
 
 
@@ -177,7 +177,7 @@ def editor_ai_recommend(
         try:
             db.rollback()
         except Exception:
-            logger.exception("db rollback failed in ai_recommend")
+            pass
         raise HTTPException(
             status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
             detail="AI推荐结果保存失败，请稍后重试",

apps/api/app/api/routes/templates_editor/clips.py

@@ -132,8 +132,8 @@ def _build_asset_url_map(
     result: dict[str, str | None] = {}
     try:
         storage = get_storage_service()
-    except Exception as e:
-        logger.exception("获取存储服务失败，跳过asset_url生成: %s", e)
+    except Exception:
+        logger.warning("获取存储服务失败，跳过asset_url生成")
         return {aid: None for aid in asset_ids}
 
     # 批量查询所有 Asset（单次 SQL IN 查询，避免 N+1）
@@ -141,7 +141,7 @@ def _build_asset_url_map(
         assets = asset_repo.find_by_ids(unique_ids)
         asset_map = {a.id: a for a in assets}
     except Exception:
-        logger.exception("批量查询素材失败: asset_ids=%s", asset_ids)
+        logger.warning("批量查询素材失败: asset_ids=%s", asset_ids, exc_info=True)
         return {aid: None for aid in asset_ids if aid}
 
     for aid in unique_ids:
@@ -156,7 +156,7 @@ def _build_asset_url_map(
                 continue
             result[aid] = storage.get_download_url(storage_key, expires_seconds=3600)
         except Exception:
-            logger.exception("生成素材签名URL失败: asset_id=%s", aid)
+            logger.warning("生成素材签名URL失败: asset_id=%s", aid, exc_info=True)
             result[aid] = None
 
     return result
@@ -486,8 +486,8 @@ def _get_mediakit_recommendations(
                 if url:
                     video_urls.append(url)
                     valid_asset_ids.append(asset_id)
-            except Exception:
-                logger.exception("获取素材URL失败: asset_id=%s", asset_id)
+            except Exception as e:
+                logger.warning("获取素材URL失败: asset_id=%s error=%s", asset_id, e)
 
         if not video_urls:
             return {}
@@ -563,7 +563,7 @@ def _get_mediakit_recommendations(
         return recommendations
 
     except Exception as e:
-        logger.exception("MediaKit 智能选片异常，降级为随机选择: %s", e)
+        logger.warning("MediaKit 智能选片异常，降级为随机选择: %s", e)
         return {}
 
 
@@ -860,7 +860,7 @@ def create_clips_from_assets_editor(
     duplicate_warning = None
     if dup_rate > 50:
         duplicate_warning = f"查重率 {dup_rate:.1f}% 超过50%，建议更换素材或模板"
-        logger.exception(
+        logger.warning(
             "from-assets 成片查重率超标: plan_id=%s dup_rate=%.1f%%",
             plan_id,
             dup_rate,
@@ -960,8 +960,8 @@ def _update_mediakit_recommendations_async(  # pragma: no cover
         # 尝试获取存储服务（用于生成视频 URL）
         try:
             storage = get_storage_service()
-        except Exception as e:
-            logger.exception("后台任务: 获取存储服务失败，跳过 SceneChange 更新: %s", e)
+        except Exception:
+            logger.warning("后台任务: 获取存储服务失败，跳过 SceneChange 更新")
             return
 
         # 获取 MediaKit 客户端
@@ -987,8 +987,8 @@ def _update_mediakit_recommendations_async(  # pragma: no cover
             if storage_key and mime.startswith("video/"):
                 try:
                     video_url = storage.get_download_url(storage_key)
-                except Exception:
-                    logger.exception("后台任务: 获取素材URL失败: asset_id=%s", asset_id)
+                except Exception as e:
+                    logger.warning("后台任务: 获取素材URL失败: asset_id=%s error=%s", asset_id, e)
 
             # 构建该素材的占用区间列表（排除已更新片段）
             def _get_other_segments(asset_id_inner, clip_id_inner):
@@ -1039,11 +1039,12 @@ def _update_mediakit_recommendations_async(  # pragma: no cover
                             asset_id,
                             len(scene_changes),
                         )
-                    except Exception:
+                    except Exception as cache_err:
                         # 缓存写入失败不影响本次片段更新
-                        logger.exception(
-                            "后台任务: 场景点缓存写入失败: asset_id=%s",
+                        logger.warning(
+                            "后台任务: 场景点缓存写入失败: asset_id=%s error=%s",
                             asset_id,
+                            cache_err,
                         )
 
             # SceneChange 未获得有效结果 → 尝试 analyze_videos 作为 fallback
@@ -1123,10 +1124,11 @@ def _update_mediakit_recommendations_async(  # pragma: no cover
                                 recommended_start + clip_duration,
                                 plan_id,
                             )
-                    except Exception:
-                        logger.exception(
-                            "后台任务: 同步素材区间记录失败，回滚本次片段更新: clip_id=%s",
+                    except Exception as me:
+                        logger.warning(
+                            "后台任务: 同步素材区间记录失败，回滚本次片段更新: clip_id=%s error=%s",
                             clip.id,
+                            me,
                         )
                         db.rollback()
                         continue
@@ -1142,8 +1144,8 @@ def _update_mediakit_recommendations_async(  # pragma: no cover
                         asset_id,
                         recommended_start,
                     )
-                except Exception:
-                    logger.exception("后台任务: 单个片段更新失败: clip_id=%s", clip.id)
+                except Exception as ue:
+                    logger.warning("后台任务: 单个片段更新失败: clip_id=%s error=%s", clip.id, ue)
                     try:
                         db.rollback()
                     except Exception:
@@ -1152,9 +1154,9 @@ def _update_mediakit_recommendations_async(  # pragma: no cover
 
         logger.info("后台任务完成: plan_id=%s 成功更新 %d 个片段", plan_id, updated_count)
 
-    except Exception:
+    except Exception as e:
         # 后台任务失败不影响已创建的片段，静默处理
-        logger.exception("后台任务异常: plan_id=%s", plan_id)
+        logger.warning("后台任务异常: plan_id=%s error=%s", plan_id, e, exc_info=True)
         if db:
             try:
                 db.rollback()

apps/api/app/api/routes/voice_clones.py

@@ -163,12 +163,12 @@ def create_voice_clone(
             celery_app.send_task("worker.process_voice_clone", args=[profile.id])
             logger.info(f"Celery task dispatched for voice clone {profile.id}")
         except Exception as e:
-            logger.exception("Failed to dispatch Celery task")
+            logger.error(f"Failed to dispatch Celery task: {e}")
             # P2-3: Celery 调度失败时标记 profile 为 failed，避免永久卡在 processing
             try:
                 workflow.process_clone_failure(profile.id, f"Celery 任务调度失败: {e}")
-            except Exception:
-                logger.exception("Failed to mark profile as failed after dispatch error")
+            except Exception as inner_e:
+                logger.error(f"Failed to mark profile as failed after dispatch error: {inner_e}")
 
     return _to_response(profile)
 
@@ -277,12 +277,12 @@ def retry_voice_clone(
             celery_app.send_task("worker.process_voice_clone", args=[profile.id])
             logger.info(f"Celery task dispatched for voice clone retry {profile.id}")
         except Exception as e:
-            logger.exception("Failed to dispatch Celery task")
+            logger.error(f"Failed to dispatch Celery task: {e}")
             # P2-3: Celery 调度失败时标记 profile 为 failed，避免永久卡在 processing
             try:
                 workflow.process_clone_failure(profile.id, f"Celery 任务调度失败: {e}")
-            except Exception:
-                logger.exception("Failed to mark profile as failed after dispatch error")
+            except Exception as inner_e:
+                logger.error(f"Failed to mark profile as failed after dispatch error: {inner_e}")
 
     return _to_response(profile)
 

apps/api/app/api/routes/voices.py

@@ -105,8 +105,8 @@ def _resolve_preset_preview_url(
         _preset_preview_cache[voice_id] = (audio_url, time.time())
         logger.info("Preset voice preview generated: %s", voice_id)
         return audio_url
-    except Exception:
-        logger.exception("Failed to generate preset voice preview: voice_id=%s", voice_id)
+    except Exception as e:
+        logger.warning("Failed to generate preview for %s, using fallback: %s", voice_id, e)
         return fallback_url
 
 
@@ -127,7 +127,6 @@ def _resolve_all_preset_preview_urls(
         try:
             result_map[p.voice_id] = _resolve_preset_preview_url(p.voice_id, p.preview_url, cosyvoice)
         except Exception:
-            logger.exception("Failed to resolve preset preview URL: voice_id=%s", p.voice_id)
             result_map[p.voice_id] = p.preview_url
     return result_map
 
@@ -733,7 +732,7 @@ def _find_or_create_voice_library_for_extract(*, user_id, project_repository, as
             try:
                 session.rollback()
             except Exception:
-                logger.exception("session rollback failed in _find_or_create_voice_library")
+                pass
         for lib in asset_library_repository.find_by_project(project.id):
             kind = lib.kind.value if hasattr(lib.kind, "value") else lib.kind
             if kind == AssetLibraryKind.VOICE.value:

apps/api/app/schemas/ai_avatar_render.py

@@ -52,9 +52,7 @@ class CreateAiAvatarRenderRequest(BaseModel):
     lipsync_job_id: str = Field(..., description="对口型任务 ID")
     script_id: str = Field("", description="文案 ID（选自文案库时传；手动输入文案直生场景可留空）")
     b_roll_segments: list[BRollSegment] = Field(default_factory=list, description="B-roll 片段列表")
-    title_config: dict[str, Any] = Field(
-        default_factory=dict, description="标题配置（可含 title_image_dataurl：前端 Canvas 渲染的标题 PNG dataURL）"
-    )
+    title_config: dict[str, Any] = Field(default_factory=dict, description="标题配置")
     cover_config: dict[str, Any] = Field(default_factory=dict, description="封面配置")
     project_id: str = Field("", description="项目 ID")
 
@@ -69,6 +67,7 @@ class CreateAiAvatarRenderRequest(BaseModel):
     @field_validator("script_id")
     @classmethod
     def validate_script_id(cls, v: str) -> str:
+        # script_id 可选：手动输入文案（TTS 直生）场景不关联文案库条目
         return (v or "").strip()
 
 
@@ -110,17 +109,16 @@ class AiAvatarRenderProgressResponse(BaseModel):
     error_message: str
 
 
+class SmartCoverRequest(BaseModel):
+    """智能封面请求 — MediaKit 抽帧 + 质量评分选最佳帧."""
+
+    video_url: str = Field(..., description="数字人视频 URL（对口型/渲染成片）")
+    max_frames: int = Field(5, ge=1, le=10, description="抽帧数量（默认 5）")
+
+
 class SmartCoverResponse(BaseModel):
-    """智能封面响应（封面从最终成片抽帧，不再叠加标题）."""
+    """智能封面响应."""
 
     cover_url: str = Field("", description="封面图公网 URL（OSS，非临时）；失败为空")
     status: str = Field("completed", description="completed / fallback_failed")
     message: str = Field("", description="失败原因（如有）")
-
-
-class FinalizeRenderResponse(BaseModel):
-    """封面选好后点「完成」，正式入库成片库的响应."""
-
-    video_id: str = Field(..., description="成片库视频ID")
-    cover_url: str = Field("", description="封面URL")
-    status: str = Field("success", description="success/already_finalized")

apps/api/app/schemas/lipsync.py

@@ -1,12 +1,9 @@
-"""对口型 API Schema 定义 — #1796 / #1809 / #1822 / #1845（配音前置）.
+"""对口型 API Schema 定义 — #1796 / #1822.
 
-支持三种输入模式：
-1. TTS 直生模式（兼容旧版前端）：传 voice_id + script_text（+ speed/emotion），
-   后端 Celery 异步做 TTS 合成 + MediaKit 提交。
+支持两种输入模式（二选一）：
+1. TTS 直生模式（推荐）：传 voice_id + script_text（+ speed/emotion），
+   后端内部先调 CosyVoice 合成音频，再提交 MediaKit 对口型。
 2. 直接音频模式：传 video_url + audio_url（音频已由调用方准备好）。
-3. 预合成音频模式（#1845 配音前置新主路径）：前端先调 POST /lipsync/tts-preview
-   拿到 audio_url + sentence_timings，再在 create_job 时传 audio_url + audio_duration
-   + sentence_timings，后端跳过 TTS 和时间戳计算，直接 ffprobe 校验后提交 MediaKit。
 """
 
 from __future__ import annotations
@@ -36,7 +33,6 @@ class LipsyncJobResponse(BaseModel):
     output_duration: float
     error_message: str
     error_code: str
-    sentence_timings: Optional[list] = None
     submitted_at: Optional[datetime] = None
     completed_at: Optional[datetime] = None
     created_at: datetime
@@ -49,29 +45,24 @@ class LipsyncJobResponse(BaseModel):
 class CreateLipsyncJobRequest(BaseModel):
     """创建对口型任务请求.
 
-    三种模式（三选一）：
-    - TTS 直生（旧版/降级）：voice_id + script_text 必填；audio_url 留空。
+    两种模式：
+    - TTS 直生：voice_id + script_text 必填；video_url 必填（人物视频）；
+      audio_url 留空（后端合成）。
     - 直接音频：video_url + audio_url 必填。
-    - 预合成音频（#1845 新主路径）：audio_url 必填 + 可选 audio_duration/sentence_timings；
-      后端同步 ffprobe 校验时长、写入 timings，直接提交 MediaKit。
     """
 
     video_url: str = Field(..., description="人物视频 URL（MP4，≤30min，单人真人）")
 
-    # 模式 2/3：直接/预合成音频
+    # 模式 2：直接音频
     audio_url: str = Field("", description="驱动音频 URL（mp3/aac/wav/m4a/flac）；直生模式留空")
-    audio_duration: Optional[float] = Field(None, ge=0, description="预合成音频时长（秒），可选；后端会 ffprobe 校验")
-    sentence_timings: Optional[list] = Field(None, description="预合成接口返回的句子时间戳，可选；若传入则直接写入 job")
 
     # 模式 1：TTS 直生
     voice_id: str = Field("", description="音色 ID（预置音色或克隆音色 profile UUID）")
-    script_text: str = Field("", description="要合成的文案（直生模式必填，最长 5000 字符）")
+    script_text: str = Field("", description="要合成的文案（直生模式必填）")
     speed: float = Field(1.0, ge=0.5, le=2.0, description="语速（0.5-2.0），默认 1.0")
     emotion: str = Field("", description="情绪（natural/excited/calm/friendly 或中文 自然/兴奋/沉稳/亲切）")
 
-    enable_video_loop: bool = Field(
-        True, description="音频长于视频时是否循环画面（AI数字人默认开启，防止音频长于视频被截断）"
-    )
+    enable_video_loop: bool = Field(False, description="音频长于视频时是否循环画面")
     project_id: str = Field("", description="项目 ID（可选）")
 
     @model_validator(mode="after")
@@ -82,22 +73,18 @@ class CreateLipsyncJobRequest(BaseModel):
         if not video.startswith(("http://", "https://")):
             raise ValueError("video_url 必须是 HTTP/HTTPS URL")
         lower = video.lower().split("?")[0]
-        allowed_video_exts = (".mp4", ".mov", ".m4v", ".webm", ".avi", ".mkv", ".3gp")
-        if not any(lower.endswith(ext) for ext in allowed_video_exts):
-            raise ValueError("video_url 格式不支持，仅支持: " + ", ".join(allowed_video_exts))
+        if not lower.endswith(".mp4"):
+            raise ValueError("video_url 仅支持 MP4 格式")
 
         has_audio = bool((self.audio_url or "").strip())
         has_tts = bool((self.voice_id or "").strip()) and bool((self.script_text or "").strip())
 
         if not has_audio and not has_tts:
             raise ValueError(
-                "必须提供驱动音频：要么传 audio_url（直接/预合成音频模式），"
+                "必须提供驱动音频：要么传 audio_url（直接音频模式），"
                 "要么同时传 voice_id + script_text（TTS 直生模式）"
             )
 
-        if has_tts and len(self.script_text) > 5000:
-            raise ValueError("script_text 最长 5000 字符")
-
         if has_audio:
             au = self.audio_url.strip()
             if not au.startswith(("http://", "https://")):
@@ -109,23 +96,3 @@ class CreateLipsyncJobRequest(BaseModel):
             self.audio_url = au
 
         return self
-
-
-# ── #1845 TTS 预合成接口 ────────────────────────────────────────────────
-
-
-class AiAvatarTtsPreviewRequest(BaseModel):
-    """步骤1「生成配音」预合成请求（同步 HTTP，~2-3s）."""
-
-    voice_id: str = Field(..., min_length=1, max_length=128, description="音色 ID")
-    script_text: str = Field(..., min_length=1, max_length=5000, description="要合成的文案")
-    speed: float = Field(1.0, ge=0.5, le=2.0, description="语速（0.5-2.0），默认 1.0")
-    emotion: str = Field("natural", max_length=32, description="情绪")
-
-
-class AiAvatarTtsPreviewResponse(BaseModel):
-    """TTS 预合成响应（临时 URL，24h 内有效，足够当前会话使用）."""
-
-    audio_url: str = Field(..., description="CosyVoice 临时音频 URL")
-    duration: float = Field(..., ge=0, description="音频总时长（秒），ffprobe 测得")
-    sentence_timings: list[dict] = Field(..., description="句子级精确时间戳")

apps/api/app/services/ai_avatar_cover_service.py

@@ -1,13 +1,10 @@
-"""AI 数字人封面服务 — MediaKit 抽帧 + 质量评分选最佳帧 + 转存 OSS.
+"""AI 数字人封面服务 — 复用智能剪辑的 MediaKit 抽帧 + 质量评分选最佳帧.
 
 与 generation_cover.py 的智能选帧能力对齐（不再用 FFmpeg 简单截帧）：
 1. MediaKit extract_frames 抽取多帧（默认 5 帧，SpecifiedFrames 策略）
 2. cover_frame_scorer.score_frames 按清晰度/亮度/色彩评分选最佳
 3. 下载最佳帧并转存 OSS，返回公网封面 URL
 
-设计原则：封面一律从最终成片（已叠加标题/B-roll）抽帧，帧本身已含标题，
-本服务**不再叠加标题**。对口型阶段的裸视频封面入口已删除（废弃）。
-
 降级：MediaKit 不可用或抽帧失败时返回空字符串，由调用方决定回退策略。
 """
 
@@ -18,56 +15,22 @@ import tempfile
 import uuid
 from pathlib import Path
 from typing import Optional
-from urllib.parse import urlparse
 
 logger = logging.getLogger(__name__)
 
-# MediaKit 抽帧轮询参数：poll_interval=2s × max_poll=30 → 最长 60s（与 mediakit_client 默认值/lipsync 轮询保持一致，防止合成视频下载+抽帧超时）
-COVER_POLL_INTERVAL = 2.0
-COVER_MAX_POLL_ATTEMPTS = 30
-
-# 帧图片下载超时（秒）
-FRAME_DOWNLOAD_TIMEOUT = 20
-# 最佳帧下载超时（用于 persist）
-BEST_FRAME_DOWNLOAD_TIMEOUT = 30
-
-# 自家 OSS 私有桶 URL 重签有效期（供 MediaKit GPU worker 拉取）
-MEDIAKIT_URL_TTL_SECONDS = 7 * 24 * 3600
-
-
-def _sign_video_url_for_mediakit(video_url: str) -> str:
-    """如果 video_url 是自家 OSS 私有桶 URL，重新签名为长有效期预签名 URL。
-
-    MediaKit GPU worker 需要能公网访问 video_url，裸 public_url 在私有桶下会 403。
-    """
-    if not video_url:
-        return video_url
-    try:
-        from packages.shared.storage import get_shared_storage_service
-
-        storage = get_shared_storage_service()
-        public_base = getattr(storage, "public_url", "")
-        if not isinstance(public_base, str) or not public_base:
-            return video_url
-        own_host = urlparse(public_base).netloc.lower()
-        url_host = urlparse(video_url).netloc.lower()
-        if own_host and url_host == own_host:
-            signed = storage.get_download_url(video_url, expires_seconds=MEDIAKIT_URL_TTL_SECONDS)
-            if signed:
-                logger.info("[数字人封面] video_url 已重签（自家 OSS 私有桶）")
-                return signed
-    except Exception:
-        logger.warning("[数字人封面] video_url 重签失败，使用原始 URL", exc_info=True)
-    return video_url
-
 
 def select_best_cover_frame(video_url: str, *, max_frames: int = 5) -> str:
-    """从视频抽取多帧并评分选最佳帧，返回最佳帧的临时 URL."""
+    """从视频抽取多帧并评分选最佳帧，返回最佳帧的临时 URL.
+
+    Args:
+        video_url: 可公网访问的视频 URL
+        max_frames: 抽帧数量
+
+    Returns:
+        最佳帧图片 URL；失败返回空字符串
+    """
     if not video_url:
         return ""
-
-    video_url = _sign_video_url_for_mediakit(video_url)
-
     try:
         from packages.shared.cover_frame_scorer import score_frames
         from packages.shared.mediakit_client import get_mediakit_client
@@ -77,19 +40,13 @@ def select_best_cover_frame(video_url: str, *, max_frames: int = 5) -> str:
             logger.warning("[数字人封面] MediaKit 未配置，无法智能抽帧")
             return ""
 
-        logger.info(
-            "[数字人封面] 开始抽帧: video_url=%s max_frames=%d",
-            video_url[:80],
-            max_frames,
-        )
-
         snapshots = mk.extract_frames(
             video_url=video_url,
             strategy="SpecifiedFrames",
             max_frames=max_frames,
-            poll_interval=COVER_POLL_INTERVAL,
-            max_poll_attempts=COVER_MAX_POLL_ATTEMPTS,
-            max_retries=1,
+            poll_interval=2.0,
+            max_poll_attempts=5,
+            max_retries=0,
         )
         if not snapshots:
             logger.warning("[数字人封面] MediaKit 未返回帧: %s", video_url[:80])
@@ -98,25 +55,24 @@ def select_best_cover_frame(video_url: str, *, max_frames: int = 5) -> str:
         if len(snapshots) == 1:
             return snapshots[0].get("image_url") or snapshots[0].get("url") or ""
 
+        # 下载各帧评分
         import httpx
 
         candidates = []
-        with httpx.Client(timeout=FRAME_DOWNLOAD_TIMEOUT, follow_redirects=True) as client:
-            for snap in snapshots:
-                url = snap.get("image_url") or snap.get("url") or ""
-                if not url:
-                    continue
-                tmp_path: Optional[str] = None
-                try:
-                    resp = client.get(url)
-                    resp.raise_for_status()
-                    with tempfile.NamedTemporaryFile(suffix=".jpg", delete=False) as tmp:
-                        tmp.write(resp.content)
-                        tmp_path = tmp.name
-                    candidates.append({"image_path": tmp_path, "url": url})
-                except Exception as e:
-                    logger.warning("[数字人封面] 帧下载失败，跳过: url=%s err=%s", url[:80], e)
-                    candidates.append({"image_path": None, "url": url, "score": 0.0})
+        for snap in snapshots:
+            url = snap.get("image_url") or snap.get("url") or ""
+            if not url:
+                continue
+            tmp_path: Optional[str] = None
+            try:
+                resp = httpx.get(url, timeout=15, follow_redirects=True)
+                resp.raise_for_status()
+                with tempfile.NamedTemporaryFile(suffix=".jpg", delete=False) as tmp:
+                    tmp.write(resp.content)
+                    tmp_path = tmp.name
+                candidates.append({"image_path": tmp_path, "url": url})
+            except Exception:
+                candidates.append({"image_path": None, "url": url, "score": 0.0})
 
         if not candidates:
             return snapshots[0].get("image_url") or snapshots[0].get("url") or ""
@@ -125,6 +81,7 @@ def select_best_cover_frame(video_url: str, *, max_frames: int = 5) -> str:
         best = scored[0] if scored else None
         best_url = best.get("url", "") if best else ""
 
+        # 清理临时文件
         for c in candidates:
             p = c.get("image_path")
             if p:
@@ -145,15 +102,16 @@ def select_best_cover_frame(video_url: str, *, max_frames: int = 5) -> str:
         return ""
 
 
-def persist_cover_to_oss(
-    frame_url: str,
-    *,
-    job_id: str = "",
-    prefix: str = "ai-avatar/covers",
-) -> str:
-    """下载最佳帧图并转存到 OSS，返回公网封面 URL（预签名）.
+def persist_cover_to_oss(frame_url: str, *, job_id: str = "", prefix: str = "ai-avatar/covers") -> str:
+    """下载帧图并转存到 OSS，返回公网封面 URL.
 
-    封面来自最终成片抽帧，帧本身已含标题，本函数不再做任何文字/图片叠加。
+    Args:
+        frame_url: MediaKit 返回的临时帧图 URL
+        job_id: 关联任务 ID（用于 OSS key 命名）
+        prefix: OSS key 前缀
+
+    Returns:
+        OSS 公网 URL；失败回退原始 frame_url
     """
     if not frame_url:
         return ""
@@ -161,33 +119,27 @@ def persist_cover_to_oss(
     try:
         import httpx
 
-        with httpx.Client(timeout=BEST_FRAME_DOWNLOAD_TIMEOUT, follow_redirects=True) as client:
-            resp = client.get(frame_url)
-            resp.raise_for_status()
-            if not resp.content:
-                logger.warning("[数字人封面] 帧图内容为空: %s", frame_url[:80])
-                return frame_url
+        resp = httpx.get(frame_url, timeout=30, follow_redirects=True)
+        resp.raise_for_status()
+        if not resp.content:
+            return frame_url
 
-            with tempfile.NamedTemporaryFile(suffix=".jpg", delete=False) as tmp:
-                tmp.write(resp.content)
-                tmp_path = tmp.name
+        with tempfile.NamedTemporaryFile(suffix=".jpg", delete=False) as tmp:
+            tmp.write(resp.content)
+            tmp_path = tmp.name
 
         from packages.shared.storage import get_shared_storage_service
 
         storage = get_shared_storage_service()
         token = job_id or uuid.uuid4().hex[:12]
         cover_key = f"{prefix}/{token}/cover_{uuid.uuid4().hex[:8]}.jpg"
-
         public_url = storage.upload_file(
             file_or_path=tmp_path,
             storage_key=cover_key,
             content_type="image/jpeg",
         )
         logger.info("[数字人封面] 封面已转存 OSS: key=%s", cover_key)
-        if public_url:
-            signed = storage.get_download_url(cover_key, expires_seconds=86400)
-            return signed
-        return frame_url
+        return public_url or frame_url
     except Exception:
         logger.warning("[数字人封面] 封面转存 OSS 失败，返回原始 URL", exc_info=True)
         return frame_url
@@ -199,15 +151,10 @@ def persist_cover_to_oss(
                 pass
 
 
-def generate_smart_cover(
-    video_url: str,
-    *,
-    job_id: str = "",
-    max_frames: int = 5,
-) -> str:
-    """一站式：MediaKit 智能抽帧选最佳 → 转存 OSS。失败返回空字符串。
+def generate_smart_cover(video_url: str, *, job_id: str = "", max_frames: int = 5) -> str:
+    """一站式：MediaKit 智能抽帧选最佳 → 转存 OSS，返回封面公网 URL.
 
-    封面从最终成片抽帧，不再叠加任何标题（帧本身已含）。
+    供独立封面接口与渲染管线复用。失败返回空字符串。
     """
     best_frame = select_best_cover_frame(video_url, max_frames=max_frames)
     if not best_frame:

apps/api/app/services/ai_avatar_render_service.py

@@ -9,11 +9,8 @@
 
 from __future__ import annotations
 
-import base64
-import binascii
 import logging
 import os
-import subprocess
 import tempfile
 import uuid
 from datetime import datetime, timezone
@@ -27,9 +24,8 @@ from packages.adapters.sqlalchemy_impl.models import (
     ScriptModel,
 )
 from packages.domain.video_filter_builder import (
-    build_broll_overlay_filter,
+    build_cover_extract_command,
     build_title_drawtext_filter,
-    build_title_overlay_filter,
 )
 from packages.shared.storage import get_shared_storage_service
 
@@ -200,8 +196,9 @@ class AiAvatarRenderService:
         1. 下载对口型输出视频 (20%)
         2. 构建 FFmpeg 滤镜链 (40%)
         3. 执行 FFmpeg 渲染 (80%)
-        4. 上传到 OSS (95%) — 封面不再自动生成，改由前端主动抽帧
-        5. 更新任务状态 (100%)
+        4. 提取封面 (90%)
+        5. 上传到 OSS (95%)
+        6. 更新任务状态 (100%)
         """
         job = self.db.query(AiAvatarRenderJob).filter(AiAvatarRenderJob.id == job_id).first()
         if job is None:
@@ -231,32 +228,27 @@ class AiAvatarRenderService:
             self.db.commit()
 
             # 2. 构建 FFmpeg 滤镜链 (40%)
-            # 用 ffprobe 探测输入视频分辨率，确保 B-roll 缩放与标题位置与实际输出一致。
-            # AI 数字人对口型输出为 9:16 竖屏，默认兜底 720x1280；探测失败时使用默认值不阻断渲染。
-            output_width, output_height = self._probe_video_resolution(input_video_path)
-            if output_width <= 0 or output_height <= 0:
-                output_width, output_height = 720, 1280
-                logger.info(
-                    "[数字人渲染] ffprobe 探测分辨率失败或无效，使用默认竖屏尺寸 %sx%s",
-                    output_width,
-                    output_height,
-                )
-            else:
-                logger.info("[数字人渲染] 探测输入视频分辨率: %sx%s", output_width, output_height)
+            from packages.domain.video_filter_builder import build_broll_overlay_filter
 
-            broll_filter, broll_label = build_broll_overlay_filter(
+            filter_complex = build_broll_overlay_filter(
                 b_roll_segments=job.b_roll_segments,
                 video_duration=lipsync_job.output_duration,
-                output_width=output_width,
-                output_height=output_height,
             )
 
-            # 标题叠加路径：优先前端 Canvas 渲染的 PNG 图层（所见即所得），
-            # 无 title_image_dataurl 时降级到 drawtext 重画文字。
-            title_cfg = job.title_config if isinstance(job.title_config, dict) else {}
-            title_dataurl = (title_cfg or {}).get("title_image_dataurl") if title_cfg else None
-            use_title_png = isinstance(title_dataurl, str) and title_dataurl.startswith("data:image/")
-            title_input_index = 1 + len(job.b_roll_segments or []) if use_title_png else None
+            # 标题叠加
+            title_filter = build_title_drawtext_filter(job.title_config)
+            if title_filter:
+                if filter_complex:
+                    filter_complex += f"[vout]{title_filter}[vout_titled];"
+                else:
+                    filter_complex = f"[0:v]{title_filter}[vout_titled];"
+
+            # 清理末尾分号
+            if filter_complex.endswith(";"):
+                filter_complex = filter_complex[:-1]
+
+            # 最终输出标签
+            final_label = "vout_titled" if title_filter else ("vout" if filter_complex else None)
 
             job.progress = 40
             self.db.commit()
@@ -265,126 +257,57 @@ class AiAvatarRenderService:
             with tempfile.TemporaryDirectory() as tmpdir:
                 output_video_path = os.path.join(tmpdir, "output.mp4")
 
-                # 在临时目录里解码保存标题 PNG（with 退出自动清理）
-                title_png_path: Optional[str] = None
-                extra_inputs: list[str] = []
-                title_filter = None
-                if use_title_png:
-                    try:
-                        title_png_path = os.path.join(tmpdir, f"title_{job.id}.png")
-                        self._save_title_dataurl_to_file(title_dataurl, dst_path=title_png_path)
-                        extra_inputs.append(title_png_path)
-                        logger.info(
-                            "[数字人渲染] 标题 PNG 已保存: %s (input index %d)", title_png_path, title_input_index
-                        )
-                    except Exception as exc:
-                        logger.warning("[数字人渲染] 标题 PNG 解码/保存失败，降级 drawtext: %s", exc)
-                        title_png_path = None
-                        extra_inputs = []
-
-                # 构建标题滤镜
-                final_label = None
-                if title_png_path and title_input_index is not None:
-                    title_input_label = f"[{title_input_index}:v]"
-                    base_label = f"[{broll_label}]" if broll_label else "[0:v]"
-                    title_filter = build_title_overlay_filter(
-                        title_cfg,
-                        output_width=output_width,
-                        output_height=output_height,
-                        title_png_path=title_png_path,
-                        title_input_label=title_input_label,
-                        base_label=base_label,
-                        output_label="vout_titled",
-                    )
-                    if not title_filter:
-                        # build 返回 None → 文件不存在（极端并发情况），降级 drawtext
-                        title_png_path = None
-                        extra_inputs = []
-
-                if title_png_path:
-                    # overlay 路径
-                    if broll_filter and title_filter:
-                        filter_complex = broll_filter + f";{title_filter}"
-                    elif broll_filter:
-                        filter_complex = broll_filter
-                        final_label = broll_label
-                    elif title_filter:
-                        filter_complex = title_filter
-                    else:
-                        filter_complex = ""
-                    if title_filter:
-                        final_label = "vout_titled"
-                    elif not final_label:
-                        final_label = None
-                else:
-                    # 降级：drawtext 重画文字
-                    title_filter = build_title_drawtext_filter(
-                        title_cfg,
-                        output_width=output_width,
-                        output_height=output_height,
-                    )
-                    if broll_filter and title_filter:
-                        filter_complex = broll_filter + f";[{broll_label}]{title_filter}[vout_titled]"
-                        final_label = "vout_titled"
-                    elif broll_filter:
-                        filter_complex = broll_filter
-                        final_label = broll_label
-                    elif title_filter:
-                        filter_complex = f"[0:v]{title_filter}[vout_titled]"
-                        final_label = "vout_titled"
-                    else:
-                        filter_complex = ""
-                        final_label = None
-
-                cmd_list = self._build_ffmpeg_command(
+                cmd = self._build_ffmpeg_command(
                     input_video=input_video_path,
                     b_roll_segments=job.b_roll_segments,
-                    extra_inputs=extra_inputs,
                     filter_complex=filter_complex,
                     final_label=final_label,
                     output_path=output_video_path,
                 )
 
-                try:
-                    render_result = subprocess.run(
-                        cmd_list,
-                        capture_output=True,
-                        text=True,
-                        timeout=600,
-                    )
-                except subprocess.TimeoutExpired as exc:
-                    raise AiAvatarRenderError(
-                        "FFmpeg 渲染超时（600s）",
-                        code="FFmpegTimeout",
-                    ) from exc
-
-                if render_result.returncode != 0:
-                    stderr_tail = (render_result.stderr or "").strip()[-800:]
-                    raise AiAvatarRenderError(
-                        f"FFmpeg 渲染失败，退出码: {render_result.returncode}, stderr: {stderr_tail}",
-                        code="FFmpegFailed",
-                    )
+                exit_code = os.system(cmd)
+                if exit_code != 0:
+                    raise AiAvatarRenderError(f"FFmpeg 渲染失败，退出码: {exit_code}", code="FFmpegFailed")
 
                 job.progress = 80
                 self.db.commit()
 
-                # 4/5. 上传成片到 OSS (95%) —— 已砍掉自动抽封面逻辑（步骤⑤）；
-                # 封面由前端在渲染完成后通过 /smart-cover 接口主动从成片抽帧，不阻塞渲染链路。
+                # 4. 提取封面 (90%)
+                cover_path = ""
+                if job.cover_config:
+                    cover_path = os.path.join(tmpdir, "cover.jpg")
+                    cover_cmd = build_cover_extract_command(job.cover_config, cover_path)
+                    cover_cmd = cover_cmd.replace("INPUT_VIDEO", output_video_path)
+                    cover_exit = os.system(cover_cmd)
+                    if cover_exit != 0:
+                        logger.warning("封面提取失败，跳过: %s", cover_cmd)
+                        cover_path = ""
+
+                job.progress = 90
+                self.db.commit()
+
+                # 5. 上传到 OSS (95%)
                 output_video_url = self._upload_to_oss(output_video_path, f"ai-avatar/{job_id}/output.mp4")
                 job.output_video_url = output_video_url
 
-                # 封面透传：如果用户已在 cover_config 中选定封面 URL（mode=upload 的自定义上传 或
-                # mode=auto_frame 已有的智能封面结果），直接透传到 output_cover_url，不再重新截帧。
-                if isinstance(job.cover_config, dict):
-                    _pre_cover_url = (
-                        job.cover_config.get("url")
-                        or job.cover_config.get("imageUrl")
-                        or job.cover_config.get("cover_url")
-                        or ""
-                    )
-                    if _pre_cover_url:
-                        job.output_cover_url = _pre_cover_url
-                        logger.info("[数字人渲染] 使用用户已选定封面 URL: job_id=%s", job_id)
+                # 封面：优先复用智能剪辑的 MediaKit 抽帧 + 质量评分选最佳帧；
+                # MediaKit 不可用时回退到 FFmpeg 已按 cover_config 抽取的 cover_path
+                smart_cover_url = ""
+                if output_video_url:
+                    try:
+                        from app.services.ai_avatar_cover_service import (
+                            generate_smart_cover,
+                        )
+
+                        smart_cover_url = generate_smart_cover(output_video_url, job_id=job_id, max_frames=5)
+                    except Exception:
+                        logger.warning("智能封面(MediaKit)失败，回退 FFmpeg 封面 job_id=%s", job_id, exc_info=True)
+
+                if smart_cover_url:
+                    job.output_cover_url = smart_cover_url
+                elif cover_path:
+                    output_cover_url = self._upload_to_oss(cover_path, f"ai-avatar/{job_id}/cover.jpg")
+                    job.output_cover_url = output_cover_url
 
                 # 获取输出视频时长
                 job.output_duration = lipsync_job.output_duration
@@ -399,105 +322,18 @@ class AiAvatarRenderService:
             self.db.commit()
             logger.info("渲染任务完成: %s", job_id)
 
-            # 7. 渲染完成，停留在「待选封面」状态：不自动入库。
-            #    用户在前端选好封面、点「完成」后，由 /{job_id}/finalize 接口显式入库。
-            logger.info("渲染任务完成，等待用户选择封面后入库: job_id=%s", job_id)
-
         except AiAvatarRenderError as exc:
             job.status = "failed"
             job.error_message = str(exc)
             job.updated_at = datetime.now(timezone.utc)
             self.db.commit()
             logger.error("渲染任务失败 [%s]: %s", job_id, exc)
-            raise
         except Exception as exc:
             job.status = "failed"
             job.error_message = f"渲染异常: {str(exc)}"
             job.updated_at = datetime.now(timezone.utc)
             self.db.commit()
             logger.exception("渲染任务异常 [%s]", job_id)
-            raise
-
-    def _persist_to_library(self, job: AiAvatarRenderJob, cover_url: Optional[str] = None):
-        """将渲染结果写入成片库，返回 GeneratedVideo 领域对象.
-
-        Args:
-            job: 渲染任务（必须 status=completed 且 output_video_url 非空）
-            cover_url: 可选的封面 URL 覆盖（finalize 时传入即优先使用，否则取 job.output_cover_url）
-        """
-        from packages.adapters.sqlalchemy_impl.generated_video_repository import (
-            SQLAlchemyGeneratedVideoRepository,
-        )
-        from packages.domain.generated_video import GeneratedVideo
-
-        clip_name = f"AI数字人_{job.id[:8]}"
-        # AI数字人入口是独立页面，前端可能不传 project_id（无项目概念），
-        # 兜底为 "ai_avatar" 避免 DB 非空约束/查询问题；generation_task_id 用 render_job_id 便于反查。
-        clip_project_id = (job.project_id or "").strip() or "ai_avatar"
-        clip_generation_task_id = job.id
-        effective_cover = (cover_url or "").strip() if cover_url else (job.output_cover_url or "").strip()
-        clip = GeneratedVideo.create(
-            project_id=clip_project_id,
-            generation_task_id=clip_generation_task_id,
-            name=clip_name,
-            file_url=job.output_video_url,
-            user_id=job.user_id,
-            duration=job.output_duration or 0.0,
-            thumbnail_url=effective_cover or None,
-            generation_params={
-                "source": "ai_avatar_render",
-                "render_job_id": job.id,
-            },
-        )
-        video_repo = SQLAlchemyGeneratedVideoRepository(self.db)
-        video_repo.create(clip)
-        logger.info("[数字人渲染] 成片已入库: clip_id=%s render_job=%s", clip.id, job.id)
-        return clip
-
-    def finalize_job(self, job_id: str, user_id: str, cover_url: Optional[str] = None):
-        """用户在前端点「完成」后调用：将已 completed 的渲染任务正式入库到成片库.
-
-        - 必须 status=completed 才可调用
-        - cover_url 若传入则优先使用并回写 job.output_cover_url；否则使用 job.output_cover_url（smart-cover/custom-cover 已写入）
-        - 幂等：已入库则返回已存在的 GeneratedVideo
-        """
-        from packages.adapters.sqlalchemy_impl.generated_video_repository import (
-            SQLAlchemyGeneratedVideoRepository,
-        )
-        from packages.adapters.sqlalchemy_impl.models import GeneratedVideoModel
-
-        job = self.get_render_job(job_id, user_id)
-        if job is None:
-            raise AiAvatarRenderError("渲染任务不存在", code="RenderJobNotFound")
-        if job.status != "completed":
-            raise AiAvatarRenderError(f"渲染任务未完成（当前状态: {job.status}），无法入库", code="RenderNotCompleted")
-        if not (job.output_video_url or "").strip():
-            raise AiAvatarRenderError("渲染成片视频 URL 为空，无法入库", code="OutputVideoMissing")
-
-        # 幂等检查：已入库直接返回现有记录（通过 generation_task_id=job_id 识别，
-        # 因为入库时 generation_task_id 被设置为 render_job_id 自身）
-        existing = (
-            self.db.query(GeneratedVideoModel)
-            .filter(
-                GeneratedVideoModel.user_id == user_id,
-                GeneratedVideoModel.generation_task_id == job_id,
-            )
-            .first()
-        )
-        if existing is not None:
-            logger.info("[数字人渲染] finalize 幂等命中，返回已存在记录: clip_id=%s job_id=%s", existing.id, job_id)
-            return SQLAlchemyGeneratedVideoRepository(self.db).get(existing.id)
-
-        # 传入 cover_url 时回写到 job
-        if cover_url and cover_url.strip():
-            job.output_cover_url = cover_url.strip()
-            # 同步更新 cover_config，保持 smart-cover 路径一致
-            if isinstance(job.cover_config, dict):
-                job.cover_config = {**job.cover_config, "mode": "auto_frame", "url": cover_url.strip()}
-            job.updated_at = datetime.now(timezone.utc)
-            self.db.commit()
-
-        return self._persist_to_library(job, cover_url=cover_url)
 
     def _download_video(self, url: str) -> str:
         """下载视频到临时文件."""
@@ -515,132 +351,32 @@ class AiAvatarRenderService:
                 os.unlink(tmp.name)
             raise
 
-    @staticmethod
-    def _save_title_dataurl_to_file(dataurl: str, *, dst_path: str | None = None, job_id: str = "") -> str:
-        """解码前端传来的 data:image/png;base64,... 并保存为本地 PNG 文件。
-
-        Args:
-            dataurl: 完整 dataURL 字符串
-            dst_path: 指定输出路径；为 None 时创建临时文件并返回路径
-            job_id: 仅在 dst_path 为空时用于临时文件命名
-
-        Returns:
-            保存后的本地文件路径
-        """
-        if not isinstance(dataurl, str) or not dataurl.startswith("data:image/"):
-            raise ValueError("title_image_dataurl 不是合法的 data:image URL")
-        # 拆分 data:image/png;base64,<payload>
-        try:
-            header, b64 = dataurl.split(",", 1)
-        except ValueError as exc:
-            raise ValueError("title_image_dataurl 缺少 base64 payload") from exc
-        if "base64" not in header:
-            raise ValueError("title_image_dataurl 不是 base64 编码")
-        try:
-            png_bytes = base64.b64decode(b64, validate=True)
-        except (binascii.Error, ValueError) as exc:
-            raise ValueError(f"title_image_dataurl base64 解码失败: {exc}") from exc
-        if not png_bytes:
-            raise ValueError("title_image_dataurl 解码后为空")
-
-        if dst_path:
-            out_path = dst_path
-            with open(out_path, "wb") as f:
-                f.write(png_bytes)
-            return out_path
-        suffix = f"_title_{job_id}.png" if job_id else "_title.png"
-        with tempfile.NamedTemporaryFile(suffix=suffix, delete=False) as tmp:
-            tmp.write(png_bytes)
-            return tmp.name
-
-    @staticmethod
-    def _probe_video_resolution(video_path: str) -> tuple[int, int]:
-        """用 ffprobe 探测视频分辨率，返回 (width, height)；失败返回 (0, 0)。"""
-        try:
-            result = subprocess.run(
-                [
-                    "ffprobe",
-                    "-v",
-                    "error",
-                    "-select_streams",
-                    "v:0",
-                    "-show_entries",
-                    "stream=width,height",
-                    "-of",
-                    "csv=p=0:s=x",
-                    video_path,
-                ],
-                capture_output=True,
-                text=True,
-                timeout=15,
-            )
-            if result.returncode == 0 and result.stdout.strip():
-                parts = result.stdout.strip().split("x")
-                if len(parts) == 2:
-                    w, h = int(parts[0]), int(parts[1])
-                    if w > 0 and h > 0:
-                        return w, h
-        except Exception as exc:
-            logger.warning("[数字人渲染] ffprobe 探测分辨率失败: %s", exc)
-        return 0, 0
-
     def _build_ffmpeg_command(
         self,
         *,
         input_video: str,
         b_roll_segments: list[dict[str, Any]],
-        extra_inputs: list[str] | None = None,
         filter_complex: str,
         final_label: Optional[str],
         output_path: str,
-    ) -> list[str]:
-        """构建 FFmpeg 命令（list 形式，shell=False）.
-
-        根因修复 #1798 P0：OSS 预签名 URL 含 `&Expires=...&Signature=...` 特殊字符，
-        os.system(shell=True) 会把 `&` 解释为后台命令分隔符，导致 -filter_complex 被
-        当成独立命令报 sh: -filter_complex: not found（exit 127 → Python 32512）。
-        list + shell=False 彻底规避 shell 转义问题。
-        """
-        cmd: list[str] = ["ffmpeg", "-i", input_video]
+    ) -> str:
+        """构建 FFmpeg 命令."""
+        # 输入文件
+        inputs = f"-i {input_video}"
         for seg in b_roll_segments:
             asset_url = seg.get("asset_url", "")
             if asset_url:
-                cmd.extend(["-i", asset_url])
-        # 额外输入（例如前端 Canvas 渲染的标题 PNG）
-        for extra in extra_inputs or []:
-            cmd.extend(["-i", extra])
+                inputs += f" -i {asset_url}"
 
+        # 滤镜
         if filter_complex and final_label:
-            cmd.extend(
-                [
-                    "-filter_complex",
-                    filter_complex,
-                    "-map",
-                    f"[{final_label}]",
-                    "-map",
-                    "0:a?",
-                ]
-            )
+            filter_arg = f'-filter_complex "{filter_complex}" -map "[{final_label}]"'
         elif filter_complex:
-            cmd.extend(["-filter_complex", filter_complex])
+            filter_arg = f'-filter_complex "{filter_complex}"'
+        else:
+            filter_arg = ""
 
-        cmd.extend(
-            [
-                "-c:v",
-                "libx264",
-                "-preset",
-                "veryfast",
-                "-crf",
-                "23",
-                "-c:a",
-                "aac",
-                "-b:a",
-                "128k",
-                "-y",
-                output_path,
-            ]
-        )
-        return cmd
+        return f"ffmpeg {inputs} {filter_arg} -c:v libx264 -preset fast -crf 23 -y {output_path}"
 
     def _upload_to_oss(self, local_path: str, oss_key: str) -> str:
         """上传文件到 OSS，返回 URL.

apps/api/app/services/edit_plan_service.py

@@ -473,7 +473,6 @@ class EditPlanService:
         name_suffix: str = "变体",
         voice_duration: float = 0.0,
         rng=None,
-        batch_segments: dict[str, list[tuple[float, float]]] | None = None,
     ) -> EditPlan:
         """为批量变体生成独立 plan：完整重跑单视频选片流程（#1743）。
 
@@ -490,8 +489,6 @@ class EditPlanService:
             created_by_user_id: 新 plan 归属用户。
             name_suffix: plan 名后缀。
             rng: 可选随机数（测试注入种子）。
-            batch_segments: 可选，外部传入的批次内已使用素材区间（前序变体避让用）。
-                传入时作为初始避让对象；未传则保持原逻辑从源 plan clips 自建（向后兼容）。
 
         Raises:
             ValueError: 源 plan 不存在/无片段、素材池为空或时长全未知。
@@ -540,26 +537,16 @@ class EditPlanService:
             voice = float(voice_duration or 0.0)
         except (TypeError, ValueError):
             voice = 0.0
-        rhythm_template_for_reselect = None
-        if source.config:
-            rhythm_template_for_reselect = source.config.get("rhythm_template")
-
         if voice > 0 and source_clips_data:
             from packages.domain.voice_duration_planner import plan_clip_durations
 
             _effects: list[str | None] = [c.get("transition_effect") for c in source_clips_data]
             _tdurs: list[float] = [float(c.get("transition_duration") or 0.0) for c in source_clips_data]
-            # #1855 P0：先占位durations为空dict，真正查durations在后面pool_ids确定后执行；
-            # plan_clip_durations 的 asset_durations 参数在该函数中仅作最大段长钳制，
-            # 这里先不依赖它（durations 还没查），传 None 让planner用默认策略；
-            # 真正的asset_durations会在后面 clips_data 生成时传入 reselect_clips_for_variant
             target_durations = plan_clip_durations(
                 len(source_clips_data),
                 voice,
                 transition_effects=_effects,
                 transition_durations=_tdurs,
-                rhythm_template=rhythm_template_for_reselect,
-                asset_durations=None,
             )
             if target_durations:
                 for _c, _d in zip(source_clips_data, target_durations, strict=False):
@@ -595,18 +582,12 @@ class EditPlanService:
             created_by_user_id=created_by_user_id or (source.created_by_user_id or ""),
         )
 
-        # 批次内区间：外部传入时使用外部传入（含前序变体已用区间）；
-        # 否则保持原逻辑从源 plan clips 自建（向后兼容）
-        if batch_segments is not None:
-            batch_segments_resolved: dict[str, list[tuple[float, float]]] = {
-                k: list(v) for k, v in batch_segments.items()
-            }
-        else:
-            batch_segments_resolved = {}
-            for c in clips:
-                if c.asset_id and float(c.duration or 0) > 0:
-                    st = float(c.start_time or 0.0)
-                    batch_segments_resolved.setdefault(c.asset_id, []).append((st, st + float(c.duration)))
+        # 批次内区间：以源 plan（变体 0）片段为初始避让对象
+        batch_segments: dict[str, list[tuple[float, float]]] = {}
+        for c in clips:
+            if c.asset_id and float(c.duration or 0) > 0:
+                st = float(c.start_time or 0.0)
+                batch_segments.setdefault(c.asset_id, []).append((st, st + float(c.duration)))
 
         clips_data = reselect_clips_for_variant(
             source_clips_data,
@@ -614,7 +595,7 @@ class EditPlanService:
             asset_durations=durations,
             asset_scene_points=scene_points,
             historical_used_segments=historical,
-            batch_segments=batch_segments_resolved,
+            batch_segments=batch_segments,
             target_durations=target_durations,
             rng=rng,
         )
@@ -786,17 +767,6 @@ class EditPlanService:
         if plan is None:
             return None
 
-        # #1855 P0：幂等判断——如果已成功分配过且当前 total_duration 已接近 voice_duration，直接返回
-        try:
-            existing_mark = None
-            if plan.config:
-                existing_mark = plan.config.get("voice_duration_applied")
-            cur_total = float(plan.total_duration or 0.0)
-            if existing_mark is not None and abs(existing_mark - voice) < 1e-6 and abs(cur_total - voice) < 0.5:
-                return plan
-        except Exception:
-            pass
-
         clips: List[EditPlanClip] = []
         skip, page = 0, 500
         while True:
@@ -868,10 +838,6 @@ class EditPlanService:
         )
         try:
             plan.total_duration = net
-            # #1855 P0：写入幂等标记，避免二次调用时只重分配 duration 不重算 start_time
-            new_cfg = dict(plan.config or {})
-            new_cfg["voice_duration_applied"] = voice
-            plan.config = new_cfg
             db = self._clip_repo.session
             db.commit()
         except Exception:
@@ -912,69 +878,6 @@ class EditPlanService:
         rng = rng or _random.Random()
         plan_ids: list[str] = []
 
-        # #1855 P0：先确定片段数 clip_count（用于节奏模板生成长度匹配）
-        from packages.domain.bgm_pool import allocate_bgm_pool_for_variants
-        from packages.domain.variant_plan_selector import (
-            generate_pixel_perturbation,
-            generate_visual_perturbation,
-        )
-        from packages.domain.voice_duration_planner import RHYTHM_TEMPLATES, adapt_template_length
-
-        clip_count = 0
-        # 从源 plan 获取片段数（分页读，避免关系加载问题）
-        _sclips: list = []
-        _sk, _pg = 0, 500
-        while True:
-            _b = self._clip_repo.list_by_plan(source_plan_id, skip=_sk, limit=_pg)
-            if not _b:
-                break
-            _sclips.extend(_b)
-            if len(_b) < _pg:
-                break
-            _sk += _pg
-        clip_count = len(_sclips)
-
-        # 预先生成所有 N 个变体的节奏模板/BGM/扰动参数（时机提前到选片前写入config）
-        rhythm_templates_for_variants: list = []
-        for _idx in range(count):
-            if clip_count > 0:
-                variant_seed = rng.randint(0, 999999)
-                _tpl = adapt_template_length(RHYTHM_TEMPLATES[variant_seed % len(RHYTHM_TEMPLATES)], clip_count)
-                rhythm_templates_for_variants.append(_tpl)
-            else:
-                rhythm_templates_for_variants.append(None)
-
-        source_bgm_config: dict = {}
-        source_plan = self.get_plan(source_plan_id)
-        if source_plan and source_plan.config:
-            source_bgm_config = source_plan.config.get("bgm", {}) or {}
-        variant_seeds_for_bgm = [rng.randint(0, 999999) for _ in range(count)]
-        bgm_pool_assignments = allocate_bgm_pool_for_variants(source_bgm_config, variant_seeds_for_bgm)
-
-        def _build_variant_config_update(idx: int) -> dict:
-            """构建单个变体的 config 更新（节奏模板/BGM/视觉/像素扰动）。"""
-            upd: dict = {}
-            try:
-                perturbation = generate_visual_perturbation(rng)
-                if idx == 0:
-                    perturbation["hflip"] = False
-                upd["visual_perturbation"] = perturbation
-            except Exception:
-                logger.exception("变体 %d 视觉扰动生成失败（不阻断）", idx)
-            try:
-                pixel_pert = generate_pixel_perturbation(rng)
-                upd["pixel_perturbation"] = pixel_pert
-            except Exception:
-                logger.exception("变体 %d 像素扰动生成失败（不阻断）", idx)
-            rt = rhythm_templates_for_variants[idx] if idx < len(rhythm_templates_for_variants) else None
-            if rt is not None:
-                upd["rhythm_template"] = rt
-            if idx < len(bgm_pool_assignments):
-                existing_bgm = dict((source_plan.config or {}).get("bgm", {}) or {})
-                existing_bgm.update(bgm_pool_assignments[idx])
-                upd["bgm"] = existing_bgm
-            return upd
-
         # 变体 0：clone（片段结构同源 plan，起点重算），不污染源 plan
         plan0 = self.clone_plan_for_variant(
             source_plan_id,
@@ -987,15 +890,6 @@ class EditPlanService:
                 v0_voice = float(voice_durations[0] or 0.0)
             except (TypeError, ValueError):
                 v0_voice = 0.0
-
-        # #1855 P0：在配音分配前先写入变体0的节奏模板/扰动/BGM，确保 apply_voice_duration_to_plan 能读到 rhythm_template
-        try:
-            _cfg0 = _build_variant_config_update(0)
-            if _cfg0:
-                self.update_plan_config(plan0.id, _cfg0)
-        except Exception:
-            logger.exception("变体0 配置写入失败（不阻断）: plan=%s", plan0.id)
-
         if v0_voice > 0:
             try:
                 self.apply_voice_duration_to_plan(plan0.id, v0_voice)
@@ -1003,12 +897,7 @@ class EditPlanService:
                 logger.exception("变体0 配音分配失败（不阻断）: plan=%s", plan0.id)
         plan_ids.append(plan0.id)
 
-        # #1855 P0：批次内素材区间避让表——从变体0实际落库的clips构建初始值（公共函数）
-        from app.services.generation_common import collect_plan_segments as _collect_plan_segments
-
-        batch_segments_acc: dict[str, list[tuple[float, float]]] = _collect_plan_segments(plan0.id, self._clip_repo)
-
-        # 变体 1..N-1：独立选片（传入累积的 batch_segments 做区间避让）
+        # 变体 1..N-1：独立选片
         for i in range(1, count):
             voice = 0.0
             if voice_durations and i < len(voice_durations):
@@ -1016,14 +905,6 @@ class EditPlanService:
                     voice = float(voice_durations[i] or 0.0)
                 except (TypeError, ValueError):
                     voice = 0.0
-
-            # #1855 P0：在reselect前先为"变体i"准备配置更新——但reselect内部复制的是source.config，
-            # 所以每个变体独立的节奏模板需要在reselect后单独写入config；
-            # 但 plan_clip_durations 用的是 source.config.rhythm_template（即源plan的节奏模板），
-            # 为了让每个变体在选片阶段就使用自己的节奏模板分配段长，这里采用：
-            #   - reselect 仍使用源 plan 的 rhythm_template（保持片段骨架一致）
-            #   - 选片完成后立即写入该变体自己的 rhythm_template/扰动/BGM 到config，
-            #     后续不再二次 apply_voice_duration_to_plan（由幂等标记跳过）
             variant = self.reselect_plan_for_variant(
                 source_plan_id,
                 candidate_asset_ids,
@@ -1031,26 +912,73 @@ class EditPlanService:
                 name_suffix=f"变体{i + 1}",
                 voice_duration=voice,
                 rng=rng,
-                batch_segments=batch_segments_acc,
             )
-
-            # 选片完成后写入该变体的独立配置（节奏模板/扰动/BGM）
-            try:
-                _cfgi = _build_variant_config_update(i)
-                if _cfgi:
-                    self.update_plan_config(variant.id, _cfgi)
-            except Exception:
-                logger.exception("变体 %d 配置写入失败（不阻断）: plan=%s", i, variant.id)
-
             plan_ids.append(variant.id)
 
-            # #1855 P0：把当前新变体的 clips 区间追加到 batch_segments，供下一变体避让
+        # #1764：为每个变体生成独立节奏模板（让批量视频片段时长分布不同）
+        from packages.domain.voice_duration_planner import RHYTHM_TEMPLATES, adapt_template_length
+
+        clip_count = 0
+        if voice_durations and len(voice_durations) > 0:
+            # 从源 plan 获取片段数
+            source_plan = self.get_plan(source_plan_id)
+            if source_plan and hasattr(source_plan, "clips"):
+                clip_count = len(list(source_plan.clips)) if source_plan.clips else 0
+
+        rhythm_templates_for_variants = []
+        if clip_count > 0:
+            for idx in range(len(plan_ids)):
+                # 每个变体用不同的 seed 选择节奏模板
+                variant_seed = rng.randint(0, 999999)
+                template = adapt_template_length(RHYTHM_TEMPLATES[variant_seed % len(RHYTHM_TEMPLATES)], clip_count)
+                rhythm_templates_for_variants.append(template)
+                logger.info("变体 %d 节奏模板: plan=%s template=%s", idx, plan_ids[idx], template)
+
+        # #1767：BGM 池差异化分配（让批量变体使用不同 BGM / 段落 / 音量）
+        from packages.domain.bgm_pool import allocate_bgm_pool_for_variants
+
+        source_bgm_config = {}
+        source_plan = self.get_plan(source_plan_id)
+        if source_plan and source_plan.config:
+            source_bgm_config = source_plan.config.get("bgm", {}) or {}
+
+        variant_seeds_for_bgm = [rng.randint(0, 999999) for _ in plan_ids]
+        bgm_pool_assignments = allocate_bgm_pool_for_variants(source_bgm_config, variant_seeds_for_bgm)
+
+        # 为每个变体生成独立视觉扰动参数（让批量视频画面本身更不同）
+        from packages.domain.variant_plan_selector import generate_visual_perturbation
+
+        for idx, pid in enumerate(plan_ids):
             try:
-                _new_segs = _collect_plan_segments(variant.id, self._clip_repo)
-                for _aid, _ivs in _new_segs.items():
-                    batch_segments_acc.setdefault(_aid, []).extend(_ivs)
+                perturbation = generate_visual_perturbation(rng)
+                # 变体 0 不做 hflip（保持预览 plan 原始画面方向）
+                if idx == 0:
+                    perturbation["hflip"] = False
+                config_update = {"visual_perturbation": perturbation}
+                # #1764：写入节奏模板
+                if idx < len(rhythm_templates_for_variants):
+                    config_update["rhythm_template"] = rhythm_templates_for_variants[idx]
+                # #1765：写入像素级扰动滤镜
+                from packages.domain.variant_plan_selector import generate_pixel_perturbation
+
+                pixel_pert = generate_pixel_perturbation(rng)
+                config_update["pixel_perturbation"] = pixel_pert
+                # #1767：写入 BGM 池分配（覆盖 bgm 配置中的 preset_id / audio_offset / volume_adjust_db）
+                if idx < len(bgm_pool_assignments):
+                    existing_bgm = dict((source_plan.config or {}).get("bgm", {}) or {})
+                    existing_bgm.update(bgm_pool_assignments[idx])
+                    config_update["bgm"] = existing_bgm
+                self.update_plan_config(pid, config_update)
+                logger.info(
+                    "变体 %d 视觉扰动+像素扰动+BGM池: plan=%s vis=%s pix=%s bgm=%s",
+                    idx,
+                    pid,
+                    perturbation,
+                    pixel_pert,
+                    bgm_pool_assignments[idx] if idx < len(bgm_pool_assignments) else None,
+                )
             except Exception:
-                logger.exception("变体 %d 区间收集失败（不阻断）: plan=%s", i, variant.id)
+                logger.exception("变体 %d 视觉扰动生成失败（不阻断）: plan=%s", idx, pid)
 
         # 标记所有变体 plan 的 clips 为 ready（已分配素材+起点，语义上就是 ready）
         for pid in plan_ids:

apps/api/app/services/generation_common.py

@@ -1,175 +0,0 @@
-"""智能剪辑公共服务辅助函数（从 route 层下沉）。
-
-集中管理：
-- query_voice_durations：批量查询配音素材时长
-- writeback_edit_plan_config：任务入队后回写 EditPlan.config
-- collect_plan_segments：分页读取 plan clips 构建素材区间表（变体避让用）
-- resolve_latest_plan_by_template：按 template_id + user_id 查最新 EditPlan
-
-设计原则：
-- 无副作用的纯查询 / 幂等写回；失败一律不阻断主流程（记日志 + 返回安全默认值）
-- 不依赖 FastAPI / HTTPException，便于 service 层和 worker 复用
-"""
-
-from __future__ import annotations
-
-import logging
-from typing import Any, Optional
-
-from sqlalchemy.orm import Session
-
-logger = logging.getLogger(__name__)
-
-
-def query_voice_durations(db: Session, voice_ids: list[str]) -> list[float]:
-    """批量查询配音素材时长（秒），#1749 配音时长分配用。
-
-    逐项 try/float 硬化：MagicMock/异常/缺失 → 0.0（无配音不分配，不阻断）。
-
-    #1855 P0修复：不再对 voice_ids 去重，保持与调用方传入顺序/长度一致，
-    允许同配音id多次出现时返回相同时长（支持"同配音N变体"的时长对齐）。
-    """
-    raw_ids = list(voice_ids or [])
-    if not raw_ids:
-        return []
-    unique_ids: list[str] = []
-    _seen: set[str] = set()
-    for v in raw_ids:
-        if v and v not in _seen:
-            _seen.add(v)
-            unique_ids.append(v)
-    if not unique_ids:
-        return [0.0 for _ in raw_ids]
-    try:
-        from packages.adapters.sqlalchemy_impl.models import AssetModel
-
-        rows = db.query(AssetModel.id, AssetModel.duration).filter(AssetModel.id.in_(unique_ids)).all()
-        dur_map: dict[str, float] = {}
-        for row in rows:
-            try:
-                dur_map[row[0]] = float(row[1] or 0.0)
-            except (TypeError, ValueError):
-                dur_map[row[0]] = 0.0
-        return [dur_map.get(v, 0.0) if v else 0.0 for v in raw_ids]
-    except Exception:
-        logger.warning("[generation_common] 配音时长查询失败（按无配音处理，不阻断）", exc_info=True)
-        return [0.0 for _ in raw_ids]
-
-
-def writeback_edit_plan_config(
-    plan_id: str,
-    task_id: str,
-    title_config: dict | None,
-    db: Session,
-) -> None:
-    """任务入队成功后，回写 EditPlan.config：generation_task_id + title_config。
-
-    用 merge 方式更新，不整体覆盖 config，避免丢失其他字段。
-    失败只记日志，不影响任务创建。
-    """
-    if not plan_id:
-        return
-    try:
-        from packages.adapters.sqlalchemy_impl.models import EditPlanModel
-
-        plan_model = db.query(EditPlanModel).filter(EditPlanModel.id == plan_id).first()
-        if plan_model is None:
-            logger.warning("[generation_common] 回写plan.config失败: plan不存在 plan_id=%s", plan_id)
-            return
-
-        current_config = plan_model.config if isinstance(plan_model.config, dict) else {}
-        merged = dict(current_config)
-        merged["generation_task_id"] = task_id
-
-        if title_config:
-            old_title_config = merged.get("title_config", {}) or {}
-            old_title_text = (old_title_config.get("text") or "").strip()
-            new_title_text = (title_config.get("text") or "").strip()
-            if old_title_text != new_title_text:
-                if "cover" in merged:
-                    del merged["cover"]
-                    logger.info(
-                        "[generation_common] 标题变化，清除旧封面: plan_id=%s old_title=%s new_title=%s",
-                        plan_id,
-                        old_title_text,
-                        new_title_text,
-                    )
-            merged["title_config"] = title_config
-
-        plan_model.config = merged
-        db.commit()
-        logger.info(
-            "[generation_common] 回写plan.config成功: plan_id=%s task_id=%s keys=%s",
-            plan_id,
-            task_id,
-            list(merged.keys()),
-        )
-    except Exception as e:
-        logger.warning(
-            "[generation_common] 回写plan.config异常（不影响任务创建）: plan_id=%s error=%s",
-            plan_id,
-            e,
-            exc_info=True,
-        )
-        try:
-            db.rollback()
-        except Exception:
-            pass
-
-
-def collect_plan_segments(
-    plan_id: str,
-    clip_repo: Any,
-    *,
-    page_size: int = 500,
-) -> dict[str, list[tuple[float, float]]]:
-    """分页读取 plan 所有 clips，构建 {asset_id: [(start, end), ...]} 素材区间表。
-
-    用于 #1855 P0 批次内素材区间避让（变体间素材片段重叠控制）。
-    """
-    segs: dict[str, list[tuple[float, float]]] = {}
-    sk, pg = 0, page_size
-    while True:
-        batch = clip_repo.list_by_plan(plan_id, skip=sk, limit=pg)
-        if not batch:
-            break
-        for c in batch:
-            if c.asset_id and float(c.duration or 0) > 0:
-                st = float(c.start_time or 0.0)
-                segs.setdefault(c.asset_id, []).append((st, st + float(c.duration)))
-        if len(batch) < pg:
-            break
-        sk += pg
-    return segs
-
-
-def resolve_latest_plan_by_template(
-    db: Session,
-    *,
-    template_id: str,
-    user_id: str,
-) -> Optional[str]:
-    """按 template_id + user_id 查找最新的 EditPlan.id（模板兜底用）。找不到返回 None。"""
-    if not (template_id or "").strip():
-        return None
-    try:
-        from packages.adapters.sqlalchemy_impl.models import EditPlanModel
-
-        latest = (
-            db.query(EditPlanModel)
-            .filter(
-                EditPlanModel.template_id == template_id.strip(),
-                EditPlanModel.created_by_user_id == user_id,
-            )
-            .order_by(EditPlanModel.created_at.desc())
-            .first()
-        )
-        return latest.id if latest else None
-    except Exception:
-        logger.warning(
-            "[generation_common] 按template查找最新plan失败: template=%s user=%s",
-            template_id,
-            user_id,
-            exc_info=True,
-        )
-        return None

apps/api/app/services/lipsync_service.py

@@ -1,14 +1,9 @@
-"""对口型 Service — #1796 MediaKit 对口型业务逻辑, #1809 参数调整, #1845 配音前置.
+"""对口型 Service — #1796 MediaKit 对口型业务逻辑.
 
 职责：
-- 创建/查询对口型任务
-- 三输入模式：
-  1. TTS 直生（voice_id + script_text）→ 走 Celery 异步（降级路径）
-  2. 直接音频（audio_url，前端未传 timings）→ 同步下载 + 算 timings + 提交 MediaKit
-  3. 预合成音频（audio_url + sentence_timings，#1845 新主路径）→ 同步 ffprobe 校验时长 +
-     写入前端传来的 timings → 直接提交 MediaKit（~2-3s）
+- 创建/查询/取消对口型任务
 - 调用 MediaKit 客户端提交异步任务
-- 轮询更新任务状态（中间状态同步 DB，成片转存自家 OSS）
+- 轮询更新任务状态
 - 用户隔离（每个用户只能操作自己的任务）
 """
 
@@ -19,7 +14,6 @@ import logging
 import uuid
 from datetime import datetime, timezone
 from typing import Optional
-from urllib.parse import urlparse
 
 from app.services.mediakit_client import (
     STATUS_COMPLETED,
@@ -29,25 +23,15 @@ from app.services.mediakit_client import (
     MediaKitError,
     get_mediakit_client,
 )
-
-# Celery 异步任务：TTS 合成 + MediaKit 提交（降级路径）
-from app.tasks.lipsync_tts import tts_synthesize_and_submit
 from sqlalchemy.orm import Session
 
 from packages.adapters.sqlalchemy_impl.models import LipsyncJobModel
 from packages.application.cosyvoice_service import CosyVoiceError, normalize_emotion
-from packages.domain.sentence_timings import (
-    compute_sentence_timings,
-    probe_audio_duration,
-)
 from packages.shared.storage import get_shared_storage_service
 from packages.shared.url_security import ALLOWED_AUDIO_MIME_TYPES, safe_download_bytes
 
 logger = logging.getLogger(__name__)
 
-# 传给 MediaKit GPU worker / 回给前端播放的 OSS 预签名有效期：7 天。
-MEDIAKIT_URL_TTL_SECONDS = 7 * 24 * 3600
-
 
 class LipsyncService:
     """对口型任务 Service."""
@@ -149,100 +133,6 @@ class LipsyncService:
             logger.warning("TTS 音频转存 OSS 失败，回退临时 URL: job_id=%s err=%s", job_id, exc)
             return temp_url
 
-    def _submit_audio_direct(
-        self,
-        *,
-        job: LipsyncJobModel,
-        supplied_timings: Optional[list] = None,
-        supplied_duration: Optional[float] = None,
-    ) -> None:
-        """音频直传模式（包含 #1845 预合成路径）：同步下载 → ffprobe → timings → 提交 MediaKit.
-
-        直接在 HTTP 请求内完成，不走 Celery。job.status 成功后置为 submitted。
-        失败时把 job 标成 failed 并 commit，然后抛 MediaKitError。
-
-        Args:
-            job: 已 commit 的 LipsyncJobModel（audio_url / video_url 已写入）
-            supplied_timings: 前端传来的预合成 timings（可选，可信时直接用）
-            supplied_duration: 前端传来的预合成时长（可选，用于优先避免重复探测）
-        """
-        # 1. 下载音频
-        audio_data: bytes | None = None
-        try:
-            audio_data = safe_download_bytes(
-                job.audio_url,
-                purpose="lipsync_direct_audio",
-                allowed_mime_types=ALLOWED_AUDIO_MIME_TYPES,
-                timeout=60.0,
-            )
-            logger.info(
-                "[lipsync] 直传音频下载完成: job_id=%s size=%d",
-                job.id,
-                len(audio_data) if audio_data else 0,
-            )
-        except Exception as exc:
-            logger.warning("[lipsync] 直传音频下载失败，跳过 timings 计算: job_id=%s err=%s", job.id, exc)
-
-        # 2. ffprobe 探测时长（优先用前端传入的预合成时长，但以 ffprobe 为准做兜底校验）
-        audio_duration = 0.0
-        if audio_data:
-            audio_duration = probe_audio_duration(audio_data)
-        if audio_duration <= 0 and supplied_duration and supplied_duration > 0:
-            audio_duration = supplied_duration
-            logger.info(
-                "[lipsync] ffprobe 失败，使用前端传入的预合成时长: job_id=%s duration=%.2f", job.id, audio_duration
-            )
-
-        # 3. 句子时间戳：优先用前端预合成传入的 timings（后端预合成接口已经算过，可信）；
-        #    否则若音频下载成功则重算；否则不设置（不阻塞主流程）
-        timings: Optional[list] = None
-        if supplied_timings:
-            timings = supplied_timings
-            logger.info("[lipsync] 使用前端预合成句子时间戳: job_id=%s sentences=%d", job.id, len(timings))
-        elif audio_data and audio_duration > 0 and job.script_text:
-            try:
-                timings = compute_sentence_timings(audio_data, job.script_text, audio_duration)
-                logger.info(
-                    "[lipsync] 后端重算句子时间戳: job_id=%s sentences=%d duration=%.2f",
-                    job.id,
-                    len(timings) if timings else 0,
-                    audio_duration,
-                )
-            except Exception as exc:
-                logger.warning("[lipsync] 句子时间戳计算失败（不阻塞）: job_id=%s err=%s", job.id, exc)
-
-        if timings:
-            job.sentence_timings = timings
-
-        # 4. 签名 URL 并提交 MediaKit
-        video_url = self._sign_media_url(job.video_url)
-        signed_audio_url = self._sign_media_url(job.audio_url)
-        job.audio_url = signed_audio_url
-
-        try:
-            result = self.client.submit_lipsync(
-                video_url=video_url,
-                audio_url=signed_audio_url,
-                enable_video_loop=job.enable_video_loop,
-                client_token=job.id,
-            )
-            job.mediakit_task_id = result["task_id"]
-            job.status = "submitted"
-            job.submitted_at = datetime.now(timezone.utc)
-            self.db.commit()
-            logger.info(
-                "[lipsync] 直传音频已提交 MediaKit: job_id=%s task_id=%s",
-                job.id,
-                result["task_id"],
-            )
-        except MediaKitError as exc:
-            job.status = "failed"
-            job.error_message = str(exc)
-            job.error_code = exc.code
-            logger.error("[lipsync] 直传音频提交 MediaKit 失败: job_id=%s err=%s", job.id, exc)
-            self.db.commit()
-            raise
-
     # ── 创建任务 ──────────────────────────────────────────────────────────
 
     def create_job(
@@ -251,46 +141,39 @@ class LipsyncService:
         user_id: str,
         video_url: str,
         audio_url: str = "",
-        audio_duration: Optional[float] = None,
-        sentence_timings: Optional[list] = None,
         voice_id: str = "",
         script_text: str = "",
         speed: float = 1.0,
         emotion: str = "",
-        enable_video_loop: bool = True,
+        enable_video_loop: bool = False,
         project_id: str = "",
     ) -> LipsyncJobModel:
-        """创建对口型任务.
+        """创建对口型任务并提交到 MediaKit.
 
-        三种输入模式：
-        - TTS 直生：voice_id + script_text（audio_url 留空）
-          → 创建 DB 记录（状态 tts_processing），dispatch Celery 异步任务（降级路径）。
-          API 响应 <1s。
-        - 直接音频：audio_url 非空 + 无 sentence_timings
-          → 同步下载音频 + 重算 timings + 提交 MediaKit（几秒完成）。
-        - 预合成音频（#1845 新主路径）：audio_url 非空 + 传 sentence_timings
-          → 同步 ffprobe 校验时长 + 写入 timings + 提交 MediaKit（~2-3s）。
+        两种输入模式：
+        - TTS 直生：voice_id + script_text（audio_url 留空），后端先合成音频
+        - 直接音频：提供 audio_url
 
         Raises:
-            MediaKitError: 参数校验失败或 MediaKit 提交失败
+            MediaKitError: TTS 合成或 MediaKit 提交失败
         """
-        # 0. 输入校验
-        is_pre_synth = bool(audio_url) and bool(sentence_timings)
-        bool(audio_url) and not is_pre_synth
-        is_tts_mode = not bool(audio_url)
-
-        if is_tts_mode:
+        # 0. TTS 直生模式：先合成音频（在创建 DB 记录之前完成，失败直接抛出）
+        if not audio_url:
             if not (voice_id and script_text):
                 raise MediaKitError(
                     "必须提供 audio_url 或 voice_id+script_text",
                     code="InvalidInput",
                 )
-            # TTS 模式：在 HTTP 请求中同步校验音色归属，快速失败
-            self._resolve_voice_id(voice_id, user_id)
-        elif is_pre_synth:
-            # 预合成模式：script_text 可空（因为 timings 已自带句子文本），但仍建议传
-            if not isinstance(sentence_timings, list) or len(sentence_timings) == 0:
-                raise MediaKitError("预合成模式 sentence_timings 不能为空", code="InvalidInput")
+            # 预合成：用临时 job_id 命名 OSS 对象
+            pre_job_id = str(uuid.uuid4())
+            audio_url = self._synthesize_and_persist_audio(
+                user_id=user_id,
+                job_id=pre_job_id,
+                voice_id=voice_id,
+                script_text=script_text,
+                speed=speed,
+                emotion=emotion,
+            )
 
         # 1. 创建数据库记录
         job_id = str(uuid.uuid4())
@@ -304,136 +187,34 @@ class LipsyncService:
             voice_id=voice_id or "",
             script_text=script_text or "",
             speed=speed,
-            emotion=normalize_emotion(emotion) if is_tts_mode else (emotion or ""),
-            # 音频直传（含预合成）直接进入 pending（后续同步改为 submitted）；TTS 模式进入 tts_processing
-            status="tts_processing" if is_tts_mode else "pending",
+            emotion=normalize_emotion(emotion),
+            status="pending",
         )
         self.db.add(job)
         self.db.flush()
 
-        # ⚠️ 必须先 commit 再发 Celery 任务 / 后续同步操作，避免事务竞态
+        # 2. 提交到 MediaKit
+        try:
+            result = self.client.submit_lipsync(
+                video_url=video_url,
+                audio_url=audio_url,
+                enable_video_loop=enable_video_loop,
+                client_token=job_id,  # 幂等控制
+            )
+            job.mediakit_task_id = result["task_id"]
+            job.status = "submitted"
+            job.submitted_at = datetime.now(timezone.utc)
+        except MediaKitError as exc:
+            job.status = "failed"
+            job.error_message = str(exc)
+            job.error_code = exc.code
+            logger.error("提交对口型任务失败: %s", exc)
+            raise
+
         self.db.commit()
         self.db.refresh(job)
-
-        if is_tts_mode:
-            # 2a. TTS 模式：dispatch Celery 异步任务处理 TTS 合成 + MediaKit 提交（降级路径）
-            try:
-                tts_synthesize_and_submit.apply_async(
-                    args=(
-                        job_id,
-                        user_id,
-                        voice_id,
-                        script_text,
-                        speed,
-                        normalize_emotion(emotion),
-                    )
-                )
-            except Exception as exc:
-                logger.exception(
-                    "Celery 任务提交失败，TTS 任务已创建但未触发执行: job_id=%s err=%s",
-                    job_id,
-                    exc,
-                )
-                job.status = "failed"
-                job.error_message = f"Celery 任务投递失败: {exc}"
-                job.error_code = "AsyncDispatchFailed"
-                job.updated_at = datetime.now(timezone.utc)
-                self.db.commit()
-        else:
-            # 2b/2c. 直接音频 / 预合成音频：同步路径
-            self._submit_audio_direct(
-                job=job,
-                supplied_timings=sentence_timings,
-                supplied_duration=audio_duration,
-            )
-            self.db.refresh(job)
-
         return job
 
-    # ── TTS 预合成（#1845 步骤1「生成配音」同步接口使用） ──────────────────
-
-    def preview_tts(
-        self,
-        *,
-        user_id: str,
-        voice_id: str,
-        script_text: str,
-        speed: float = 1.0,
-        emotion: str = "natural",
-    ) -> dict:
-        """同步做 TTS 合成 + 下载 + ffprobe + 句子时间戳计算.
-
-        不创建 LipsyncJob、不转存 OSS，直接返回 CosyVoice 临时 URL（~24h 有效期）。
-        耗时约 2-3 秒，由前端在步骤1点「生成配音」时同步等待。
-
-        Returns:
-            {"audio_url": str, "duration": float, "sentence_timings": list[dict]}
-
-        Raises:
-            MediaKitError: TTS 合成失败 / 下载失败 / ffprobe 失败
-        """
-        # 1. 音色解析（校验克隆音色归属）
-        actual_voice_id = self._resolve_voice_id(voice_id, user_id)
-        cosyvoice = self._get_cosyvoice()
-
-        # 2. TTS 合成（同步，~2-3s）
-        try:
-            result = cosyvoice.submit_synthesize_task(
-                text=script_text,
-                voice_id=actual_voice_id,
-                speed=speed,
-                emotion=normalize_emotion(emotion),
-            )
-        except CosyVoiceError as exc:
-            raise MediaKitError(f"TTS 合成失败: {exc}", code="TTSSynthesisFailed") from exc
-        except ValueError as exc:
-            raise MediaKitError(f"TTS 参数错误: {exc}", code="TTSInvalidParam") from exc
-
-        temp_url = result.get("audio_url", "")
-        if not temp_url:
-            raise MediaKitError("TTS 未返回音频 URL", code="TTSNoAudio")
-
-        # 3. 下载音频到内存（用于 ffprobe + 静音检测）
-        try:
-            audio_data = safe_download_bytes(
-                temp_url,
-                purpose="tts_preview_audio",
-                allowed_mime_types=ALLOWED_AUDIO_MIME_TYPES,
-                timeout=60.0,
-            )
-        except Exception as exc:
-            logger.warning("[tts-preview] TTS 音频下载失败，仍返回 audio_url: user_id=%s err=%s", user_id, exc)
-            return {
-                "audio_url": temp_url,
-                "duration": 0.0,
-                "sentence_timings": [],
-            }
-
-        # 4. ffprobe 时长
-        duration = probe_audio_duration(audio_data)
-        if duration <= 0:
-            logger.warning("[tts-preview] ffprobe 未返回有效时长，timings 留空: user_id=%s", user_id)
-            return {
-                "audio_url": temp_url,
-                "duration": 0.0,
-                "sentence_timings": [],
-            }
-
-        # 5. 句子时间戳
-        timings = compute_sentence_timings(audio_data, script_text, duration)
-
-        logger.info(
-            "[tts-preview] TTS 预合成完成: user_id=%s duration=%.2f sentences=%d",
-            user_id,
-            duration,
-            len(timings),
-        )
-        return {
-            "audio_url": temp_url,
-            "duration": round(duration, 2),
-            "sentence_timings": timings,
-        }
-
     # ── 查询任务 ──────────────────────────────────────────────────────────
 
     def get_job(self, job_id: str, user_id: str) -> Optional[LipsyncJobModel]:
@@ -467,7 +248,11 @@ class LipsyncService:
     # ── 更新任务状态（轮询） ──────────────────────────────────────────────
 
     def refresh_job_status(self, job_id: str, user_id: str) -> Optional[LipsyncJobModel]:
-        """从 MediaKit 拉取最新状态并更新本地记录."""
+        """从 MediaKit 拉取最新状态并更新本地记录.
+
+        Returns:
+            更新后的 Job，或 None（任务不存在/不属于该用户）
+        """
         job = self.get_job(job_id, user_id)
         if job is None:
             return None
@@ -492,25 +277,11 @@ class LipsyncService:
         if mk_status == STATUS_COMPLETED:
             result = status_data.get("result", {})
             job.status = STATUS_COMPLETED
-            temp_url = result.get("video_url", "")
-            job.output_video_url = temp_url
+            output_url = result.get("video_url", "")
+            # MediaKit 输出为临时 URL，转存自家 OSS 防止过期（失败则回退临时 URL）
+            job.output_video_url = self._persist_output_video(output_url, job_id, user_id)
             job.output_duration = result.get("duration", 0.0)
             job.completed_at = datetime.now(timezone.utc)
-            job.updated_at = datetime.now(timezone.utc)
-            self.db.commit()
-            # 异步转存自家 OSS
-            try:
-                from app.tasks.lipsync_tts import persist_output_video_task
-
-                persist_output_video_task.apply_async(args=(job_id, user_id, temp_url))
-            except Exception as exc:
-                logger.warning(
-                    "提交输出视频异步转存任务失败，保留临时 URL: job_id=%s err=%s",
-                    job_id,
-                    exc,
-                )
-            self.db.refresh(job)
-            return job
         elif mk_status == STATUS_FAILED:
             error = status_data.get("error", {})
             job.status = "failed"
@@ -518,6 +289,7 @@ class LipsyncService:
             job.error_code = error.get("code", "TaskFailed")
             job.completed_at = datetime.now(timezone.utc)
         else:
+            # 中间状态（running/processing/queued 等）同步到 DB，避免前端永远卡在 submitted
             if isinstance(mk_status, str) and mk_status:
                 job.status = mk_status
         job.updated_at = datetime.now(timezone.utc)
@@ -526,7 +298,10 @@ class LipsyncService:
         return job
 
     def _persist_output_video(self, temp_url: str, job_id: str, user_id: str) -> str:
-        """将 MediaKit 输出的临时视频 URL 转存到自家 OSS. 失败时回退返回原始临时 URL."""
+        """将 MediaKit 输出的临时视频 URL 转存到自家 OSS.
+
+        失败时回退返回原始临时 URL，不影响任务完成。
+        """
         if not temp_url:
             return ""
         try:
@@ -540,39 +315,20 @@ class LipsyncService:
             storage_key = f"lipsync-outputs/{user_id}/{job_id}.mp4"
             permanent_url = storage.upload_file(io.BytesIO(data), storage_key, content_type="video/mp4")
             logger.info("对口型输出视频已转存 OSS: job_id=%s key=%s", job_id, storage_key)
-            return self._sign_media_url(permanent_url) or temp_url
+            return permanent_url or temp_url
         except Exception as exc:
             logger.warning("对口型输出视频转存 OSS 失败，回退临时 URL: job_id=%s err=%s", job_id, exc)
             return temp_url
 
-    def _sign_media_url(self, url: str) -> str:
-        """对自家 OSS 私有桶 URL 重签长有效期预签名."""
-        if not url:
-            return url
-        try:
-            storage = get_shared_storage_service()
-            public_base = getattr(storage, "public_url", "")
-            if not isinstance(public_base, str) or not public_base:
-                return url
-            own_host = urlparse(public_base).netloc.lower()
-            host = urlparse(url).netloc.lower()
-            if not own_host or host != own_host:
-                return url  # 外部临时链接原样透传
-            signed = storage.get_download_url(url, expires_seconds=MEDIAKIT_URL_TTL_SECONDS)
-            return signed or url
-        except Exception as exc:
-            logger.warning("对口型 URL 重签失败，原样返回: url_prefix=%s err=%s", url[:80], exc)
-            return url
-
     # ── 取消任务 ──────────────────────────────────────────────────────────
 
     def cancel_job(self, job_id: str, user_id: str) -> Optional[LipsyncJobModel]:
-        """取消任务（仅 pending/tts_processing/submitted 状态可取消）."""
+        """取消任务（仅 pending/submitted 状态可取消）."""
         job = self.get_job(job_id, user_id)
         if job is None:
             return None
 
-        if job.status in ("pending", "tts_processing", "submitted"):
+        if job.status in ("pending", "submitted"):
             job.status = "cancelled"
             job.updated_at = datetime.now(timezone.utc)
             self.db.commit()

apps/api/app/services/mediakit_client.py

@@ -75,7 +75,7 @@ class MediaKitClient:
         *,
         video_url: str,
         audio_url: str,
-        enable_video_loop: bool = True,
+        enable_video_loop: bool = False,
         callback_url: Optional[str] = None,
         callback_args: Optional[str] = None,
         client_token: Optional[str] = None,
@@ -103,7 +103,8 @@ class MediaKitClient:
             "video_url": video_url,
             "audio_url": audio_url,
         }
-        payload["enable_video_loop"] = bool(enable_video_loop)
+        if enable_video_loop:
+            payload["enable_video_loop"] = True
         if callback_url:
             payload["callback_url"] = callback_url
         if callback_args:

apps/api/app/tasks/lipsync_tts.py

@@ -1,355 +0,0 @@
-"""AI 数字人对口型 TTS 异步任务 — 将 TTS 合成从 HTTP 请求移至 Celery 后台执行.
-
-优化目标：将 create_job 的 API 响应时间从 6~35s 降到 <1s。
-任务流程：
-1. 创建新 DB session，加载 job 记录
-2. 调用 CosyVoice 合成音频
-3. 下载音频并转存到自家 OSS
-4. 更新 job 的 audio_url
-5. 签名 URL 并提交到 MediaKit
-6. 更新 job 状态为 submitted
-7. 异常时标记 job 为 failed
-
-注意：使用 @shared_task 而非绑定到某个 celery_app 实例，
-确保任务能被 Worker 侧 celery_app 正确注册，同时 API 侧 send_task/apply_async 仍可正常调用。
-
-#1845：句子时间戳计算已提取至 packages/domain/sentence_timings.py，本模块保留
-_ 开头别名兼容历史导入，但 _compute_sentence_timings/_split_script_into_sentences/
-_estimate_sentence_timings_by_chars 等内部函数已复用共享实现，避免重复代码。
-"""
-
-import io
-import logging
-from datetime import datetime, timezone
-from urllib.parse import urlparse
-
-from celery import shared_task
-
-# 复用共享的句子时间戳工具（#1845 配音前置）
-from packages.domain.sentence_timings import compute_sentence_timings as _compute_sentence_timings
-from packages.domain.sentence_timings import (
-    probe_audio_duration,
-)
-
-logger = logging.getLogger(__name__)
-
-# MediaKit 预签名 URL 有效期（7天，秒），与 LipsyncService._sign_media_url 保持一致
-_MEDIAKIT_URL_TTL_SECONDS = 7 * 24 * 3600
-
-
-def _sign_media_url(url: str) -> str:
-    """对自家 OSS 私有桶 URL 重签长有效期预签名.
-
-    - 自家 OSS URL → 重签 7 天有效期
-    - 外部临时 URL → 原样透传
-    - 任何异常降级原样返回，不阻断主流程
-    """
-    if not url:
-        return url
-    try:
-        from packages.shared.storage import get_shared_storage_service
-
-        storage = get_shared_storage_service()
-        public_base = getattr(storage, "public_url", "")
-        if not isinstance(public_base, str) or not public_base:
-            return url
-        own_host = urlparse(public_base).netloc.lower()
-        host = urlparse(url).netloc.lower()
-        if not own_host or host != own_host:
-            return url
-        signed = storage.get_download_url(url, expires_seconds=_MEDIAKIT_URL_TTL_SECONDS)
-        return signed or url
-    except Exception as exc:  # noqa: BLE001
-        logger.warning("[lipsync_tts] URL 重签失败，原样返回: url_prefix=%s err=%s", url[:80], exc)
-        return url
-
-
-@shared_task(
-    bind=True,
-    name="lipsync_tts.synthesize_and_submit",
-    max_retries=5,  # 事务竞态重试3次（job not found）+ TTS偶发错误2次
-    default_retry_delay=30,
-    autoretry_for=(OSError, ConnectionError),  # 网络/连接错误自动重试
-    retry_backoff=True,
-    retry_backoff_max=30,
-    soft_time_limit=180,
-    time_limit=200,
-)
-def tts_synthesize_and_submit(
-    self,
-    job_id: str,
-    user_id: str,
-    voice_id: str,
-    script_text: str,
-    speed: float,
-    emotion: str,
-):
-    """异步执行 TTS 合成 + OSS 转存 + MediaKit 提交.
-
-    在 Celery worker 中运行，不阻塞 HTTP 请求。保留作为降级路径
-    （预合成失败 / 旧版前端未传 audio_url 时走此路径）。
-    """
-    from app.services.mediakit_client import MediaKitError, get_mediakit_client
-    from sqlalchemy.orm import Session as DBSession
-
-    from packages.adapters.sqlalchemy_impl.models import LipsyncJobModel
-    from packages.application.cosyvoice_service import CosyVoiceError, CosyVoiceService
-    from packages.shared.url_security import safe_download_bytes
-
-    # SessionLocal 获取：
-    # - API 容器：app.db.SessionLocal（环境变量完整，导入即建引擎）
-    # - Worker 容器：worker_app.db.SessionLocal（Worker 自己的 settings 初始化引擎）
-    # API 侧没有 worker_app 模块 → ImportError 直接回退；
-    # Worker 侧 app.db 会因缺少 API 专有环境变量抛 pydantic ValidationError，
-    # 此时也要回退到 worker_app.db。
-    try:
-        from worker_app.db import SessionLocal  # type: ignore
-    except Exception:  # noqa: BLE001
-        from app.db import SessionLocal  # type: ignore
-
-    db: DBSession = SessionLocal()
-    try:
-        job = (
-            db.query(LipsyncJobModel)
-            .filter(
-                LipsyncJobModel.id == job_id,
-                LipsyncJobModel.user_id == user_id,
-            )
-            .first()
-        )
-
-        if job is None:
-            # 事务竞态防御：API 在 commit 前投递了任务，worker 消费时事务尚未提交。
-            retries = getattr(self.request, "retries", 0)
-            max_retries = 3
-            if retries < max_retries:
-                backoff = (2**retries) + (retries * 1)  # 1s, 3s, 7s
-                logger.warning(
-                    "[lipsync_tts] Job not found yet (retry %d/%d, backoff %ds): job_id=%s",
-                    retries + 1,
-                    max_retries,
-                    backoff,
-                    job_id,
-                )
-                self.db.close()
-                raise self.retry(countdown=backoff, max_retries=max_retries)
-            logger.error(
-                "[lipsync_tts] Job not found after %d retries, giving up: job_id=%s",
-                max_retries,
-                job_id,
-            )
-            return
-
-        # 已取消的任务不再处理
-        if job.status == "cancelled":
-            logger.info("[lipsync_tts] Job already cancelled, skipping: job_id=%s", job_id)
-            return
-
-        # 1. TTS 合成
-        logger.info(
-            "[lipsync_tts] 开始 TTS 合成: job_id=%s voice_id=%s text_len=%d speed=%.2f",
-            job_id,
-            voice_id,
-            len(script_text),
-            speed,
-        )
-        try:
-            cosyvoice = CosyVoiceService()
-            result = cosyvoice.submit_synthesize_task(
-                text=script_text,
-                voice_id=voice_id,
-                speed=speed,
-                emotion=emotion,
-            )
-        except CosyVoiceError as exc:
-            logger.error("[lipsync_tts] TTS 合成失败: job_id=%s err=%s", job_id, exc)
-            job.status = "failed"
-            job.error_message = f"TTS 合成失败: {exc}"
-            job.error_code = "TTSSynthesisFailed"
-            job.updated_at = datetime.now(timezone.utc)
-            db.commit()
-            return
-        except ValueError as exc:
-            logger.error("[lipsync_tts] TTS 参数错误: job_id=%s err=%s", job_id, exc)
-            job.status = "failed"
-            job.error_message = f"TTS 参数错误: {exc}"
-            job.error_code = "TTSInvalidParam"
-            job.updated_at = datetime.now(timezone.utc)
-            db.commit()
-            return
-
-        temp_url = result.get("audio_url", "")
-        if not temp_url:
-            logger.error("[lipsync_tts] TTS 未返回音频 URL: job_id=%s", job_id)
-            job.status = "failed"
-            job.error_message = "TTS 未返回音频 URL"
-            job.error_code = "TTSNoAudio"
-            job.updated_at = datetime.now(timezone.utc)
-            db.commit()
-            return
-
-        # 2. 下载 TTS 音频到内存（用于 2.5 静音检测；不转存自家 OSS，直接使用 CosyVoice 临时 URL）
-        audio_data: bytes | None = None
-        try:
-            audio_data = safe_download_bytes(
-                temp_url,
-                purpose="lipsync_tts_audio",
-                allowed_mime_types={
-                    "audio/mpeg",
-                    "audio/mp3",
-                    "audio/wav",
-                    "audio/x-wav",  # CosyVoice 部分接口返回 audio/x-wav
-                    "audio/mp4",
-                    "audio/x-m4a",
-                },
-                timeout=60.0,
-            )
-            logger.info(
-                "[lipsync_tts] TTS 音频已下载到内存: job_id=%s size=%d",
-                job_id,
-                len(audio_data) if audio_data else 0,
-            )
-        except Exception as exc:
-            logger.warning(
-                "[lipsync_tts] TTS 音频下载失败，跳过静音检测，直接使用临时 URL 提交: job_id=%s err=%s",
-                job_id,
-                exc,
-            )
-        # TTS 音频使用 CosyVoice 临时 URL，跳过自家 OSS 转存（加速，步骤⑥）
-        job.audio_url = temp_url
-        logger.info("[lipsync_tts] TTS 音频使用 CosyVoice 临时 URL（跳过 OSS 转存）: job_id=%s", job_id)
-
-        db.commit()
-
-        # 2.5 计算精确句子时间戳（基于 TTS 音频静音检测）—— 复用共享工具
-        try:
-            if not audio_data:
-                logger.warning("[lipsync_tts] 无音频数据，跳过句子时间戳计算: job_id=%s", job_id)
-            else:
-                _audio_duration = probe_audio_duration(audio_data)
-                logger.info(
-                    "[lipsync_tts] 音频时长探测: job_id=%s duration=%.2f",
-                    job_id,
-                    _audio_duration,
-                )
-
-                if _audio_duration > 0:
-                    _timings = _compute_sentence_timings(audio_data, script_text, _audio_duration)
-                    if _timings:
-                        job.sentence_timings = _timings
-                        logger.info(
-                            "[lipsync_tts] 句子时间戳已计算: job_id=%s sentences=%d duration=%.1f",
-                            job_id,
-                            len(_timings),
-                            _audio_duration,
-                        )
-                    else:
-                        logger.warning("[lipsync_tts] 句子时间戳计算返回空结果: job_id=%s", job_id)
-                else:
-                    logger.warning(
-                        "[lipsync_tts] ffprobe 未获取到有效时长，跳过句子时间戳: job_id=%s",
-                        job_id,
-                    )
-                db.commit()
-        except Exception as _st_err:
-            logger.warning(
-                "[lipsync_tts] 句子时间戳计算失败（不影响主流程）: job_id=%s err=%s", job_id, _st_err, exc_info=True
-            )
-
-        # 3. 签名 URL 并提交到 MediaKit（复用模块内 _sign_media_url，避免对 LipsyncService 的耦合）
-        audio_url = _sign_media_url(job.audio_url)
-        video_url = _sign_media_url(job.video_url)
-
-        client = get_mediakit_client()
-        try:
-            mk_result = client.submit_lipsync(
-                video_url=video_url,
-                audio_url=audio_url,
-                enable_video_loop=job.enable_video_loop,
-                client_token=job_id,
-            )
-            job.mediakit_task_id = mk_result["task_id"]
-            job.status = "submitted"
-            job.submitted_at = datetime.now(timezone.utc)
-            logger.info(
-                "[lipsync_tts] 已提交 MediaKit: job_id=%s task_id=%s",
-                job_id,
-                mk_result["task_id"],
-            )
-        except MediaKitError as exc:
-            job.status = "failed"
-            job.error_message = str(exc)
-            job.error_code = exc.code
-            logger.error("[lipsync_tts] 提交 MediaKit 失败: job_id=%s err=%s", job_id, exc)
-
-        db.commit()
-
-    except Exception:
-        logger.exception("[lipsync_tts] 未预期的异常: job_id=%s", job_id)
-        try:
-            job = db.query(LipsyncJobModel).filter(LipsyncJobModel.id == job_id).first()
-            if job and job.status not in ("cancelled", "failed", "completed"):
-                job.status = "failed"
-                job.error_message = "TTS 异步任务执行异常"
-                job.error_code = "AsyncTaskError"
-                job.updated_at = datetime.now(timezone.utc)
-                db.commit()
-        except Exception:
-            logger.exception("[lipsync_tts] 回写失败状态时异常: job_id=%s", job_id)
-    finally:
-        db.close()
-
-
-@shared_task(
-    name="lipsync_tts.persist_output_video",
-    max_retries=2,
-    default_retry_delay=30,
-)
-def persist_output_video_task(job_id: str, user_id: str, temp_url: str):
-    """异步转存对口型输出视频到自家 OSS（步骤⑦ — 将同步阻塞挪到后台，加速前端响应）."""
-
-    try:
-        from worker_app.db import SessionLocal  # type: ignore
-    except Exception:  # noqa: BLE001
-        from app.db import SessionLocal  # type: ignore
-
-    from packages.adapters.sqlalchemy_impl.models import LipsyncJobModel
-    from packages.shared.storage import get_shared_storage_service
-
-    db = SessionLocal()
-    try:
-        job = db.query(LipsyncJobModel).filter(LipsyncJobModel.id == job_id, LipsyncJobModel.user_id == user_id).first()
-        if job is None:
-            logger.error("[lipsync_tts.persist] Job not found: job_id=%s", job_id)
-            return
-
-        if not temp_url:
-            logger.warning("[lipsync_tts.persist] temp_url 为空，跳过转存: job_id=%s", job_id)
-            return
-
-        try:
-            import httpx
-
-            with httpx.Client(timeout=180.0, follow_redirects=True) as client:
-                resp = client.get(temp_url)
-                resp.raise_for_status()
-                data = resp.content
-
-            storage = get_shared_storage_service()
-            storage_key = f"lipsync-outputs/{user_id}/{job_id}.mp4"
-            permanent_url = storage.upload_file(io.BytesIO(data), storage_key, content_type="video/mp4")
-            final_url = _sign_media_url(permanent_url) if permanent_url else temp_url
-            job.output_video_url = final_url
-            job.updated_at = datetime.now(timezone.utc)
-            db.commit()
-            logger.info("[lipsync_tts.persist] 输出视频已转存 OSS: job_id=%s key=%s", job_id, storage_key)
-        except Exception as exc:
-            logger.warning(
-                "[lipsync_tts.persist] 输出视频转存失败，保留临时 URL: job_id=%s err=%s",
-                job_id,
-                exc,
-            )
-    except Exception:
-        logger.exception("[lipsync_tts.persist] 未预期异常: job_id=%s", job_id)
-    finally:
-        db.close()

apps/web/src/api/generation/variantPlans.ts

@@ -26,10 +26,6 @@ export interface BatchVariantPlansRequest {
   count: number
   /** 源剪辑计划 ID：优先取预览/草稿关联的 plan；不传由后端按 template_id+user 兜底最新 plan */
   source_edit_plan_id?: string
-  /** 统一配音 ID（共用配音模式）；独立配音模式不传，改传 voice_library_ids */
-  voice_library_id?: string
-  /** 独立配音 ID 列表（长度=count，按变体序号一一对应）；共用配音模式不传 */
-  voice_library_ids?: string[]
 }
 
 /** 单个变体的计划片段 */
@@ -40,8 +36,6 @@ export interface VariantPlan {
   plan_id: string
   /** 该变体的真实片段（顺序/素材/起点与正式成片一致） */
   clips: EditPlanClip[]
-  /** 该变体实际配音时长（秒），用于前端预览按配音时长对齐音画；后端暂未返回时缺省 */
-  voice_duration?: number
 }
 
 /** 批量变体计划响应 */

apps/web/src/api/products/products.ts

@@ -1,6 +1,6 @@
 /**
  * 成品 / 视频相关 API 函数
- * 后端实际接口：/videos（分页：page/page_size，返回 {items, total, page, page_size}）
+ * 后端实际接口：/videos
  */
 import apiClient from "../client"
 import type {
@@ -12,39 +12,16 @@ import type {
 } from "./types"
 import { mapVideoToProductItem } from "./utils"
 
-/** 分页列表响应（前端消费用） */
-export interface ProductListResult {
-  items: ProductItem[]
-  total: number
-  page: number
-  page_size: number
-}
-
-/**
- * 获取成品列表（分页）
- * @param params 分页与筛选参数：page 默认 1，page_size 默认 20
- */
-export const getProducts = async (params?: ProductListParams): Promise<ProductListResult> => {
-  const response = await apiClient.get("/videos", {
-    params: {
-      page: 1,
-      page_size: 20,
-      ...params,
-    },
-  })
-  const data = response.data as {
-    items?: VideoItem[]
-    total?: number
-    page?: number
-    page_size?: number
-  }
-  const items: VideoItem[] = Array.isArray(data?.items) ? data.items : []
-  return {
-    items: items.map(mapVideoToProductItem),
-    total: data.total ?? items.length,
-    page: data.page ?? params?.page ?? 1,
-    page_size: data.page_size ?? params?.page_size ?? 20,
-  }
+/** 获取成品列表（支持分页和筛选） */
+export const getProducts = async (params?: ProductListParams): Promise<ProductItem[]> => {
+  const response = await apiClient.get("/videos", { params })
+  const data = response.data
+  const videos: VideoItem[] = Array.isArray(data?.items)
+    ? data.items
+    : Array.isArray(data)
+      ? data
+      : []
+  return videos.map(mapVideoToProductItem)
 }
 
 /** 获取单个成品详情 */

apps/web/src/pages/ai-avatar/AiAvatar.css

@@ -486,16 +486,14 @@
 
 .aa-lipsync-preview {
   width: 100%;
-  max-width: 240px;
   aspect-ratio: 9/16;
   background: #0f0f1a;
   border-radius: 10px;
   overflow: hidden;
-  margin: 0 auto 12px auto;
+  margin-bottom: 12px;
   display: flex;
   align-items: center;
   justify-content: center;
-  position: relative;
 }
 
 .aa-lipsync-preview video {
@@ -549,25 +547,21 @@
 /* ── 封面 & 生成 ── */
 .aa-cover-preview {
   width: 100%;
-  max-width: 240px;
   aspect-ratio: 9/16;
+  max-height: 160px;
   background: #f0f0f5;
-  border-radius: 12px;
+  border-radius: 10px;
   overflow: hidden;
   display: flex;
   align-items: center;
   justify-content: center;
-  margin: 0 auto 12px auto;
-  position: relative;
+  margin-bottom: 12px;
 }
 
 .aa-cover-preview img {
   width: 100%;
   height: 100%;
-  aspect-ratio: 9/16;
   object-fit: cover;
-  display: block;
-  border-radius: 12px;
 }
 
 .aa-cover-preview__placeholder {
@@ -575,19 +569,6 @@
   color: #8c8ca1;
 }
 
-.aa-cover-preview__loading {
-  position: absolute;
-  inset: 0;
-  display: flex;
-  align-items: center;
-  justify-content: center;
-  background: rgba(0, 0, 0, 0.45);
-  color: #fff;
-  font-size: 13px;
-  backdrop-filter: blur(4px);
-  -webkit-backdrop-filter: blur(4px);
-}
-
 .aa-cover-actions {
   display: flex;
   gap: 8px;
@@ -1195,90 +1176,3 @@
 .aa-btn--danger:hover {
   background: #ff7875;
 }
-
-/* ── v3.1 两步骤导航（仅追加，不改动上方任何原有样式） ── */
-.aa-step-nav {
-  display: flex;
-  align-items: center;
-  gap: 24px;
-  padding: 10px 24px;
-  background: #fff;
-  border-bottom: 1px solid #e8e8ec;
-  flex-shrink: 0;
-}
-
-.aa-step-nav__item {
-  font-size: 13px;
-  font-weight: 500;
-  color: #8c8ca1;
-  position: relative;
-  padding-bottom: 6px;
-}
-
-.aa-step-nav__item.active {
-  color: #4f46e5;
-  font-weight: 600;
-}
-
-.aa-step-nav__item.active::after {
-  content: "";
-  position: absolute;
-  left: 0;
-  right: 0;
-  bottom: -11px;
-  height: 2px;
-  background: #4f46e5;
-  border-radius: 1px;
-}
-
-/* 步骤切换按钮行 */
-.aa-step-btn-row {
-  display: flex;
-  justify-content: flex-end;
-  gap: 8px;
-  margin-top: 16px;
-  padding-top: 12px;
-  border-top: 1px dashed #f0f0f5;
-}
-
-.aa-step-btn-row .aa-btn {
-  min-width: 120px;
-}
-
-/* 分步布局：每个步骤 3 个横向面板等宽撑满（沿用原 .aa-panel 外观，仅改宽度） */
-.aa-page-body > .aa-panel--s1,
-.aa-page-body > .aa-panel--s2 {
-  flex: 1 1 0;
-  width: auto;
-  min-width: 220px;
-}
-
-/* 文案 / 对口型预览面板内容较多，给更宽的弹性比例 */
-.aa-page-body > .aa-panel--s1-wide {
-  flex: 1.4 1 0;
-  width: auto;
-  min-width: 280px;
-}
-
-.aa-page-body > .aa-panel--s2-wide {
-  flex: 1.4 1 0;
-  width: auto;
-  min-width: 300px;
-}
-
-/* 渲染完成后的封面确认区 */
-.aa-finalize-section {
-  display: flex;
-  flex-direction: column;
-  align-items: center;
-  padding: 16px 0 8px;
-}
-
-.aa-finalize-cover {
-  width: 100%;
-  max-width: 240px;
-  aspect-ratio: 9/16;
-  border-radius: 12px;
-  overflow: hidden;
-  position: relative;
-}

apps/web/src/pages/ai-avatar/api/aiAvatar.ts

@@ -2,7 +2,7 @@
  * AI数字人 — API 封装（#1822 契约对齐）
  */
 import apiClient from "@/api/client"
-import type { Script, LipsyncJob, RenderJob, BRollSegment, SentenceTiming } from "../types"
+import type { Script, LipsyncJob, RenderJob, BRollSegment } from "../types"
 
 /* ── 文案库 ── */
 export const getScripts = async (): Promise<Script[]> => {
@@ -34,28 +34,17 @@ export const getAssetById = async (id: string): Promise<{ file_url?: string; id:
   return response.data
 }
 
-/* ── 对口型（支持三种模式） ──
- * 1. TTS 直生（降级/旧版）：传 voice_id + script_text（+speed/emotion），后端 Celery 异步合成
- * 2. 直接音频：传 video_url + audio_url，后端同步下载+算timings+提交MediaKit
- * 3. 预合成音频（#1845 新主路径）：先调 previewTts 拿 audio_url+sentence_timings，
- *    再把 audio_url + audio_duration + sentence_timings 一起传过来，后端直接提交 MediaKit
- */
+/* ── 对口型（模式A：TTS 直生，后端内部合成音频；不要先调 TTS 拿 audio_url） ── */
 export const createLipsyncJob = async (data: {
-  /** 人物视频 URL（MP4）；由素材 id 经 getAssetById 拿 file_url */
+  /** 人物视频 URL（MP4）；由素材 id 经 getAssetById 拿 file_url，禁止传 video_asset_id */
   video_url: string
-  /** 预合成/直接音频模式：音频 URL（#1845 步骤1 预合成的 CosyVoice 临时 URL，或外部音频 URL） */
-  audio_url?: string
-  /** 预合成音频时长（秒），由 previewTts 返回 */
-  audio_duration?: number
-  /** 预合成接口返回的句子时间戳（精确），后端直接写入 job */
-  sentence_timings?: SentenceTiming[]
-  /** 音色 ID（TTS 直生模式用） */
-  voice_id?: string
-  /** 要合成的文案（TTS 直生模式用） */
-  script_text?: string
-  /** 语速 0.5~2.0，默认 1.0（TTS 直生模式用） */
+  /** 音色 ID（预置音色 或 克隆音色 profile UUID，后端会解析） */
+  voice_id: string
+  /** 要合成的文案（手动输入或文案库内容） */
+  script_text: string
+  /** 语速 0.5~2.0，默认 1.0 */
   speed?: number
-  /** 情绪英文枚举：natural/excited/calm/friendly（TTS 直生模式用） */
+  /** 情绪英文枚举：natural/excited/calm/friendly */
   emotion?: string
   enable_video_loop?: boolean
   project_id?: string
@@ -64,27 +53,20 @@ export const createLipsyncJob = async (data: {
   return response.data
 }
 
-/* ── #1845 TTS 预合成（步骤1「生成配音」同步接口，~2-3s） ── */
-export const previewTts = async (data: {
-  voice_id: string
-  script_text: string
-  speed?: number
-  emotion?: string
-}): Promise<{
-  audio_url: string
-  duration: number
-  sentence_timings: SentenceTiming[]
-}> => {
-  const response = await apiClient.post<{
-    audio_url: string
-    duration: number
-    sentence_timings: SentenceTiming[]
-  }>("/lipsync/tts-preview", data, { timeout: 30000 })
+export const getLipsyncJob = async (id: string): Promise<LipsyncJob> => {
+  const response = await apiClient.get<LipsyncJob>(`/lipsync/jobs/${id}`)
   return response.data
 }
 
-export const getLipsyncJob = async (id: string): Promise<LipsyncJob> => {
-  const response = await apiClient.get<LipsyncJob>(`/lipsync/jobs/${id}`, { timeout: 60000 })
+/* ── 智能封面（MediaKit 抽帧 + 质量评分选最佳帧，独立于渲染任务） ── */
+export const generateSmartCover = async (
+  video_url: string,
+  max_frames = 5,
+): Promise<{ cover_url: string; status: string; message: string }> => {
+  const response = await apiClient.post<{ cover_url: string; status: string; message: string }>(
+    "/ai-avatar/render/smart-cover",
+    { video_url, max_frames },
+  )
   return response.data
 }
 
@@ -96,36 +78,17 @@ export const submitRender = async (data: {
   title_config?: Record<string, unknown>
   cover_config?: Record<string, unknown>
   project_id?: string
+  resolution?: string
 }): Promise<RenderJob> => {
-  // title_config 内可含 title_image_dataurl（前端 Canvas 渲染的 PNG dataURL）
   const response = await apiClient.post<RenderJob>("/ai-avatar/render", data)
   return response.data
 }
 
 export const getRenderJob = async (jobId: string): Promise<RenderJob> => {
-  const response = await apiClient.get<RenderJob>(`/ai-avatar/render/${jobId}`, { timeout: 60000 })
+  const response = await apiClient.get<RenderJob>(`/ai-avatar/render/${jobId}`)
   return response.data
 }
 
 export const cancelRenderJob = async (jobId: string): Promise<void> => {
   await apiClient.post(`/ai-avatar/render/${jobId}/cancel`)
 }
-
-/* ── 从最终渲染成片智能抽封面（POST /ai-avatar/renders/{job_id}/smart-cover） ── */
-export const generateRenderSmartCover = async (
-  jobId: string,
-): Promise<{ cover_url: string; status: string; message: string }> => {
-  const response = await apiClient.post<{ cover_url: string; status: string; message: string }>(
-    `/ai-avatar/render/${jobId}/smart-cover`,
-    {},
-    // 抽帧+评分+转存 OSS 链路较长，120s 超时
-    { timeout: 120000 },
-  )
-  return response.data
-}
-
-/* ── 封面选定后点「完成」正式入库（POST /ai-avatar/render/{job_id}/finalize） ── */
-export const finalizeRenderJob = (renderId: string) =>
-  apiClient.post<{ video_id: string; cover_url: string; status: string }>(
-    `/ai-avatar/render/${renderId}/finalize`,
-  )

apps/web/src/pages/ai-avatar/components/ModalBRollEditor.tsx

@@ -5,12 +5,12 @@
  * - 左侧：先选素材库（video 库）→ 再选该库视频素材（已被其他 segment 使用的素材
  *   标灰 + "已选择" 遮罩，pointer-events:none 防重复选择）
  * - 右侧：文案句子列表（点选对应段落，替代原数字索引框）/ 全屏 or 画中画 / 四角位置+大小
- *   （开始/结束时间来自后端精确句子时间戳，基于 TTS 音频静音检测）
+ *   （开始/结束时间已删除，按句子字数占比 × 口播总时长自动估算）
  * - 底部：已配置的画面插入列表（可删除）
  */
 import React, { useEffect, useMemo, useState } from "react"
 import { getAssets, getAssetLibraries, type AssetItem, type AssetLibraryItem } from "@/api/assets"
-import type { BRollSegment, BRollInsertMode, PipPosition, SentenceTiming } from "../types"
+import type { BRollSegment, BRollInsertMode, PipPosition } from "../types"
 import { splitScriptIntoSentences, type ScriptSentence } from "../utils/sentences"
 
 interface ModalBRollEditorProps {
@@ -18,12 +18,10 @@ interface ModalBRollEditorProps {
   onClose: () => void
   /** 当前已有的 B-roll segments（用于标灰已选素材） */
   existingSegments: BRollSegment[]
-  /** 文案全文（优先使用对口型时锁定的 scriptText） */
+  /** 当前文案全文（用于分句） */
   scriptText: string
-  /** 对口型成片总时长（秒） */
+  /** 对口型成片总时长（秒），用于时间自动估算 */
   outputDuration: number
-  /** 后端精确句子时间戳（来自 lipsyncJob.sentence_timings） */
-  sentenceTimings?: SentenceTiming[] | null
   onConfirm: (segment: BRollSegment) => void
   onRemove: (id: string) => void
 }
@@ -45,8 +43,7 @@ const ModalBRollEditor: React.FC<ModalBRollEditorProps> = ({
   onClose,
   existingSegments,
   scriptText,
-  outputDuration: _outputDuration,
-  sentenceTimings,
+  outputDuration,
   onConfirm,
   onRemove,
 }) => {
@@ -65,10 +62,10 @@ const ModalBRollEditor: React.FC<ModalBRollEditorProps> = ({
   const [pipPosition, setPipPosition] = useState<PipPosition>("top-right")
   const [pipScale, setPipScale] = useState(0.3)
 
-  /** 文案分句（优先使用后端精确时间戳，降级为字数比例估算） */
+  /** 文案分句（⑤） */
   const sentences = useMemo(
-    () => splitScriptIntoSentences(scriptText, sentenceTimings, _outputDuration),
-    [scriptText, sentenceTimings, _outputDuration],
+    () => splitScriptIntoSentences(scriptText, outputDuration),
+    [scriptText, outputDuration],
   )
 
   /** 已被现有 segments 占用的素材 id 集合（标灰、禁止重复选择） */
@@ -145,7 +142,7 @@ const ModalBRollEditor: React.FC<ModalBRollEditorProps> = ({
     setSelectedAsset(asset)
   }
 
-  /** 确认添加一段 B-roll（⑥ 时间取所选句子的精确起止，后端静音检测 / 前端字数比例降级） */
+  /** 确认添加一段 B-roll（⑥ 时间取所选句子的估算起止） */
   const handleConfirm = () => {
     if (!selectedAsset || !selectedSentence) return
     const startTime = selectedSentence.startTime
@@ -267,9 +264,11 @@ const ModalBRollEditor: React.FC<ModalBRollEditorProps> = ({
                           >
                             <span className="aa-sentence-item__idx">{sent.index + 1}</span>
                             <span className="aa-sentence-item__text">{sent.text}</span>
-                            <span className="aa-sentence-item__time">
-                              {sent.startTime.toFixed(1)}-{sent.endTime.toFixed(1)}s
-                            </span>
+                            {outputDuration > 0 && (
+                              <span className="aa-sentence-item__time">
+                                {sent.startTime.toFixed(1)}-{sent.endTime.toFixed(1)}s
+                              </span>
+                            )}
                           </button>
                         )
                       })}
@@ -350,7 +349,7 @@ const ModalBRollEditor: React.FC<ModalBRollEditorProps> = ({
                           selectedSentence.endTime,
                           selectedSentence.startTime + 0.5,
                         ).toFixed(1)}
-                        s
+                        s （按字数自动估算）
                       </div>
                     </>
                   ) : (

apps/web/src/pages/ai-avatar/components/ModalCoverSelect.tsx

@@ -1,59 +0,0 @@
-/**
- * AI数字人 — 封面选择弹窗
- * 渲染完成后由主页面唤起，内部用 PanelCoverAndGenerate（select-cover 变体）提供
- * 智能抽帧 + 自定义上传 + 预览 + 确定按钮。
- */
-import React from "react"
-import type { AiAvatarCoverConfig, RenderJob } from "../types"
-import PanelCoverAndGenerate from "./PanelCoverAndGenerate"
-
-interface ModalCoverSelectProps {
-  open: boolean
-  onClose: () => void
-  renderJob: RenderJob | null
-  coverConfig: AiAvatarCoverConfig
-  onCoverConfigChange: (partial: Partial<AiAvatarCoverConfig>) => void
-  onGenerateRenderSmartCover: (renderId: string) => Promise<{ cover_url: string; message?: string }>
-  onUploadCover?: (file: File) => void
-  onCoverSelected: (coverUrl: string) => void
-}
-
-const ModalCoverSelect: React.FC<ModalCoverSelectProps> = ({
-  open,
-  onClose,
-  renderJob,
-  coverConfig,
-  onCoverConfigChange,
-  onGenerateRenderSmartCover,
-  onUploadCover,
-  onCoverSelected,
-}) => {
-  if (!open) return null
-
-  return (
-    <div className="aa-modal-overlay" onClick={onClose}>
-      <div className="aa-modal" onClick={(e) => e.stopPropagation()} style={{ maxWidth: 480 }}>
-        <div className="aa-modal__header">
-          <span className="aa-modal__title">选择封面</span>
-          <button type="button" className="aa-modal__close" onClick={onClose} aria-label="关闭">
-            ×
-          </button>
-        </div>
-        <div className="aa-modal__body" style={{ padding: 20 }}>
-          <PanelCoverAndGenerate
-            variant="select-cover"
-            coverConfig={coverConfig}
-            onCoverConfigChange={onCoverConfigChange}
-            renderJob={renderJob}
-            onGenerateRenderSmartCover={onGenerateRenderSmartCover}
-            onUploadCover={onUploadCover}
-            onClose={onClose}
-            onCoverSelected={onCoverSelected}
-          />
-        </div>
-      </div>
-    </div>
-  )
-}
-
-export default ModalCoverSelect

apps/web/src/pages/ai-avatar/components/PanelCoverAndGenerate.tsx

@@ -1,45 +1,35 @@
 /**
- * AI数字人 — 面板5 / 封面选择弹窗内容：
- * - variant="setup"（默认）：分辨率 / 配置摘要 / 「开始生成视频」按钮，用于主页面步骤2配置阶段；
- *   渲染完成后仍内嵌封面预览与按钮，方便不打开弹窗直接操作。
- * - variant="select-cover"：只渲染封面选择区（智能获取封面 + 自定义上传 + 预览），
- *   用于 ModalCoverSelect 弹窗中；传 onClose 时底部显示「确定」按钮。
+ * AI数字人 — 面板5：封面 & 生成
+ * - 竖屏 9:16 封面预览（从视频截取 / 自定义上传）
+ * - 分辨率选择（720p / 1080p / 4K）
+ * - 配置汇总卡片（出镜视频/音色/文案/对口型/B-roll/标题/封面）
+ * - 渐变紫色生成按钮
  *
- * 封面一律从最终成片（已叠加标题/B-roll）抽帧，本面板不再叠加标题。
+ * 注意：v3 已删除"画面插入模式"，本面板不包含该选项。
  */
-import React, { useRef, useState } from "react"
-import type { AiAvatarCoverConfig, RenderJob } from "../types"
-
-type PanelVariant = "setup" | "select-cover"
+import React, { useRef } from "react"
+import type { AiAvatarCoverConfig } from "../types"
 
 interface PanelCoverAndGenerateProps {
-  variant?: PanelVariant
   coverConfig: AiAvatarCoverConfig
   onCoverConfigChange: (partial: Partial<AiAvatarCoverConfig>) => void
-  resolution?: string
-  onResolutionChange?: (r: string) => void
-  isGenerating?: boolean
-  onGenerate?: () => void
-  /** 当前渲染任务（渲染完成后才有 output_video_url，才能抽封面） */
-  renderJob: RenderJob | null
-  /** 从最终成片智能抽帧（参数 renderId），返回 { cover_url } */
-  onGenerateRenderSmartCover: (renderId: string) => Promise<{ cover_url: string; message?: string }>
-  /** 自定义上传封面（选择本地文件后由父组件处理实际上传） */
-  onUploadCover?: (file: File) => void
-  /** 弹窗关闭回调（传入则表示在弹窗中使用，底部显示「确定」按钮） */
-  onClose?: () => void
-  /** 封面选好（智能抽帧/自定义上传成功）后通知父组件，参数为封面 URL */
-  onCoverSelected?: (coverUrl: string) => void
-  /** 配置汇总信息（仅 variant="setup" 使用） */
-  summary?: {
+  resolution: string
+  onResolutionChange: (r: string) => void
+  isGenerating: boolean
+  onGenerate: () => void
+  /** 智能获取封面（MediaKit 选帧） */
+  onSmartCover: () => void
+  smartCoverLoading: boolean
+  canSmartCover: boolean
+  /** 配置汇总信息 */
+  summary: {
     videoName: string | null
     voiceName: string | null
     scriptLength: number
     lipsyncStatus: string | null
     brollCount: number
     hasTitle: boolean
-    /** 封面状态：'not_ready'(视频未生成) / 'pending'(视频生成了但未选) / 'selected'(已选) */
-    coverStatus: "not_ready" | "pending" | "selected"
+    hasCover: boolean
   }
 }
 
@@ -58,116 +48,53 @@ const LIPSYNC_STATUS_LABEL: Record<string, { text: string; cls: string }> = {
 }
 
 const PanelCoverAndGenerate: React.FC<PanelCoverAndGenerateProps> = ({
-  variant = "setup",
   coverConfig,
   onCoverConfigChange,
-  resolution = "720p",
+  resolution,
   onResolutionChange,
-  isGenerating = false,
+  isGenerating,
   onGenerate,
-  renderJob,
-  onGenerateRenderSmartCover,
-  onUploadCover,
-  onClose,
-  onCoverSelected,
+  onSmartCover,
+  smartCoverLoading,
+  canSmartCover,
   summary,
 }) => {
   const uploadInputRef = useRef<HTMLInputElement>(null)
-  // 内部维护智能封面加载态（修复点 2 次 bug：不依赖外层异步 setState 顺序）
-  const [smartCoverLoading, setSmartCoverLoading] = useState(false)
 
   /** 自定义上传封面 */
   const handleUploadClick = () => {
     uploadInputRef.current?.click()
   }
 
-  const _applyCoverUrl = (url: string, mode: "upload" | "auto_frame") => {
-    const partial: Partial<AiAvatarCoverConfig> = {
-      mode,
-      thumbnail_url: url,
-    }
-    if (mode === "auto_frame") {
-      partial.smart_cover_url = url
-    } else {
-      partial.upload_url = url
-    }
-    onCoverConfigChange(partial)
-    onCoverSelected?.(url)
-  }
-
   const handleFileChange = (e: React.ChangeEvent<HTMLInputElement>) => {
     const file = e.target.files?.[0]
     if (!file) return
-    if (onUploadCover) {
-      onUploadCover(file)
-      e.target.value = ""
-      return
-    }
-    // 本地预览兜底（实际上传由父级处理；blob URL 仅作本地展示）
+    // 本地预览：生成 object URL（实际上传由父级/后端链路处理）
     const url = URL.createObjectURL(file)
-    _applyCoverUrl(url, "upload")
+    onCoverConfigChange({ mode: "upload", upload_url: url, thumbnail_url: url })
+    // 允许重复选择同一文件
     e.target.value = ""
   }
 
-  /** 智能获取封面（从最终成片抽帧；必须等 render 完成） */
-  const handleSmartCover = async () => {
-    if (!renderJob || renderJob.status !== "completed" || !renderJob.id) return
-    setSmartCoverLoading(true)
-    try {
-      const res = await onGenerateRenderSmartCover(renderJob.id)
-      if (res.cover_url) {
-        _applyCoverUrl(res.cover_url, "auto_frame")
-      } else {
-        // 失败由父组件 message 提示，这里不重复弹窗
-        console.warn("[智能封面] 返回空 cover_url:", res.message)
-      }
-    } catch (err) {
-      console.error("[智能封面] 调用失败:", err)
-    } finally {
-      setSmartCoverLoading(false)
-    }
+  /** 智能获取封面（调后端 MediaKit 抽帧评分选最佳帧，#1822） */
+  const handleSmartCover = () => {
+    onCoverConfigChange({ mode: "auto_frame" })
+    onSmartCover()
   }
 
-  const lipsync = summary?.lipsyncStatus ? LIPSYNC_STATUS_LABEL[summary.lipsyncStatus] : null
-  const canGenerate = summary?.lipsyncStatus === "completed" && !isGenerating
-  // 渲染已完成 → 封面区可用
-  const isRenderCompleted = renderJob?.status === "completed"
-  const canSmartCover = isRenderCompleted && !smartCoverLoading
+  const lipsync = summary.lipsyncStatus ? LIPSYNC_STATUS_LABEL[summary.lipsyncStatus] : null
 
-  /** 封面图实际展示的 url：智能封面 > 自定义上传 > 空 */
-  const coverUrl =
-    coverConfig.smart_cover_url || coverConfig.thumbnail_url || coverConfig.upload_url
-  const hasCoverImage = Boolean(coverUrl)
+  const canGenerate = summary.lipsyncStatus === "completed" && !isGenerating
 
-  /** 封面区占位文字 */
-  const coverPlaceholder = isRenderCompleted ? "暂无封面" : "视频生成后可选择封面"
-
-  /** 配置摘要中的封面状态标签 */
-  const coverSummaryNode = (() => {
-    if (!summary) return null
-    if (summary.coverStatus === "selected") {
-      return <span className="aa-config-summary__value">已选择</span>
-    }
-    if (summary.coverStatus === "pending") {
-      return <span className="aa-config-summary__value">待选择</span>
-    }
-    return <span className="aa-config-summary__empty">生成视频后可选</span>
-  })()
-
-  // ── 封面选择区（两种 variant 共用） ─────────────────────────────────
-  const coverSection = (
-    <div className="aa-cover-section" style={{ marginTop: variant === "select-cover" ? 0 : 16 }}>
-      <div className="aa-label" style={{ marginBottom: 8 }}>
-        {variant === "select-cover" ? "选择封面" : "封面"}
-      </div>
-      {/* 封面预览（竖屏 9:16）——成片帧已经通过 Canvas PNG overlay 带有标题，直接展示原图即可 */}
-      <div className="aa-cover-preview" style={{ opacity: isRenderCompleted ? 1 : 0.5 }}>
-        {hasCoverImage ? (
-          <img src={coverUrl!} alt="封面预览" draggable={false} />
+  return (
+    <div className="aa-cover-generate">
+      {/* 封面预览（竖屏 9:16） */}
+      <div className="aa-cover-preview">
+        {coverConfig.thumbnail_url ? (
+          <img src={coverConfig.thumbnail_url} alt="封面预览" />
         ) : (
-          <span className="aa-cover-preview__placeholder">{coverPlaceholder}</span>
+          <span className="aa-cover-preview__placeholder">暂无封面</span>
         )}
-        {smartCoverLoading && <div className="aa-cover-preview__loading">⏳ 智能选帧中…</div>}
       </div>
 
       <div className="aa-cover-actions">
@@ -175,8 +102,8 @@ const PanelCoverAndGenerate: React.FC<PanelCoverAndGenerateProps> = ({
           type="button"
           className={`aa-btn aa-btn--ghost${coverConfig.mode === "auto_frame" ? " active" : ""}`}
           onClick={handleSmartCover}
-          disabled={!canSmartCover}
-          title={isRenderCompleted ? "从成片智能选帧" : "请先生成视频"}
+          disabled={smartCoverLoading || !canSmartCover}
+          title={canSmartCover ? "基于对口型成片智能选帧" : "请先完成对口型生成"}
         >
           {smartCoverLoading ? "⏳ 智能选帧中…" : "🎬 智能获取封面"}
         </button>
@@ -184,8 +111,6 @@ const PanelCoverAndGenerate: React.FC<PanelCoverAndGenerateProps> = ({
           type="button"
           className={`aa-btn aa-btn--ghost${coverConfig.mode === "upload" ? " active" : ""}`}
           onClick={handleUploadClick}
-          disabled={!isRenderCompleted || smartCoverLoading}
-          title={isRenderCompleted ? "自定义上传封面" : "请先生成视频"}
         >
           📷 自定义上传
         </button>
@@ -197,36 +122,14 @@ const PanelCoverAndGenerate: React.FC<PanelCoverAndGenerateProps> = ({
           onChange={handleFileChange}
         />
       </div>
-    </div>
-  )
 
-  // ── select-cover 变体：只渲染封面区 + 弹窗确定按钮 ──
-  if (variant === "select-cover") {
-    return (
-      <div className="aa-cover-generate">
-        {coverSection}
-        {onClose && (
-          <div style={{ marginTop: 16, display: "flex", justifyContent: "flex-end" }}>
-            <button type="button" className="aa-btn aa-btn--primary" onClick={onClose}>
-              确定
-            </button>
-          </div>
-        )}
-      </div>
-    )
-  }
-
-  // ── setup 变体：分辨率 / 配置摘要 / 生成按钮（渲染完成后内嵌封面区） ──
-  return (
-    <div className="aa-cover-generate">
       {/* 分辨率选择 */}
       <div className="aa-form-field">
         <label className="aa-label">分辨率</label>
         <select
           className="aa-select"
           value={resolution}
-          onChange={(e) => onResolutionChange?.(e.target.value)}
-          disabled={isGenerating}
+          onChange={(e) => onResolutionChange(e.target.value)}
         >
           {RESOLUTION_OPTIONS.map((opt) => (
             <option key={opt.value} value={opt.value}>
@@ -241,7 +144,7 @@ const PanelCoverAndGenerate: React.FC<PanelCoverAndGenerateProps> = ({
         <div className="aa-config-summary">
           <div className="aa-config-summary__row">
             <span>出镜视频</span>
-            {summary?.videoName ? (
+            {summary.videoName ? (
               <span className="aa-config-summary__value">{summary.videoName}</span>
             ) : (
               <span className="aa-config-summary__empty">未配置</span>
@@ -249,7 +152,7 @@ const PanelCoverAndGenerate: React.FC<PanelCoverAndGenerateProps> = ({
           </div>
           <div className="aa-config-summary__row">
             <span>音色</span>
-            {summary?.voiceName ? (
+            {summary.voiceName ? (
               <span className="aa-config-summary__value">{summary.voiceName}</span>
             ) : (
               <span className="aa-config-summary__empty">未配置</span>
@@ -257,7 +160,7 @@ const PanelCoverAndGenerate: React.FC<PanelCoverAndGenerateProps> = ({
           </div>
           <div className="aa-config-summary__row">
             <span>文案</span>
-            {summary && summary.scriptLength > 0 ? (
+            {summary.scriptLength > 0 ? (
               <span className="aa-config-summary__value">{summary.scriptLength} 字</span>
             ) : (
               <span className="aa-config-summary__empty">未配置</span>
@@ -274,12 +177,12 @@ const PanelCoverAndGenerate: React.FC<PanelCoverAndGenerateProps> = ({
           <div className="aa-config-summary__row">
             <span>B-roll 画面插入</span>
             <span className="aa-config-summary__value">
-              {summary && summary.brollCount > 0 ? `${summary.brollCount} 段` : "无"}
+              {summary.brollCount > 0 ? `${summary.brollCount} 段` : "无"}
             </span>
           </div>
           <div className="aa-config-summary__row">
             <span>标题</span>
-            {summary?.hasTitle ? (
+            {summary.hasTitle ? (
               <span className="aa-config-summary__value">已设置</span>
             ) : (
               <span className="aa-config-summary__empty">未配置</span>
@@ -287,7 +190,11 @@ const PanelCoverAndGenerate: React.FC<PanelCoverAndGenerateProps> = ({
           </div>
           <div className="aa-config-summary__row">
             <span>封面</span>
-            {coverSummaryNode}
+            {summary.hasCover ? (
+              <span className="aa-config-summary__value">已开启</span>
+            ) : (
+              <span className="aa-config-summary__empty">未配置</span>
+            )}
           </div>
         </div>
 
@@ -300,16 +207,11 @@ const PanelCoverAndGenerate: React.FC<PanelCoverAndGenerateProps> = ({
         >
           {isGenerating ? "⏳ 生成中..." : "🚀 开始生成视频"}
         </button>
-        {summary?.lipsyncStatus !== "completed" && !isGenerating && (
+        {summary.lipsyncStatus !== "completed" && !isGenerating && (
           <div style={{ marginTop: 8, fontSize: 11, color: "#8c8ca1", textAlign: "center" }}>
             请先完成对口型生成
           </div>
         )}
-        {isGenerating && (
-          <div style={{ marginTop: 8, fontSize: 11, color: "#8c8ca1", textAlign: "center" }}>
-            视频生成中，请稍候…
-          </div>
-        )}
       </div>
     </div>
   )

apps/web/src/pages/ai-avatar/components/PanelLipsyncPreview.tsx

@@ -1,338 +0,0 @@
-/**
- * AI数字人 — 对口型预览面板（步骤2用）
- * B-roll 画面插入 + 对口型视频预览 + 生成/重新生成按钮
- * v3.1: 标题字号按预览容器实际宽度动态计算 previewScale（基准 720p），与成片一致
- */
-import React, { useCallback, useEffect, useRef, useState } from "react"
-import type { LipsyncJob, BRollSegment, AiAvatarTitleConfig } from "../types"
-
-interface PanelLipsyncPreviewProps {
-  lipsyncJob: LipsyncJob | null
-  onGenerateLipsync: () => void
-  bRollSegments: BRollSegment[]
-  onOpenBRollModal: () => void
-  onRemoveBRoll: (id: string) => void
-  /** 标题配置（实时叠加预览用） */
-  titleConfig?: AiAvatarTitleConfig
-  /** 标题位置变更回调（拖拽结束时调用，发送百分比坐标 + position:"custom"） */
-  onTitlePositionChange?: (pos: { pos_x: number; pos_y: number; position: string }) => void
-}
-
-const BROLL_MODE_LABEL: Record<BRollSegment["mode"], string> = {
-  fullscreen: "全屏",
-  pip: "画中画",
-}
-
-function formatTime(seconds: number): string {
-  const m = Math.floor(seconds / 60)
-  const s = Math.round(seconds % 60)
-  return `${m}:${s.toString().padStart(2, "0")}`
-}
-
-/** 字体名 → CSS font-family 映射（与 titleCanvas 字体链对齐） */
-const FONT_FAMILY_MAP: Record<string, string> = {
-  思源黑体:
-    "'Noto Sans CJK SC', 'Source Han Sans CN', 'PingFang SC', 'Microsoft YaHei', sans-serif",
-  思源宋体: "'Noto Serif SC', 'Source Han Serif SC', 'SimSun', serif",
-  楷体: "KaiTi, 'STKaiti', serif",
-  黑体: "'Heiti SC', 'SimHei', 'Microsoft YaHei', sans-serif",
-}
-const getFontFamily = (font: string): string => FONT_FAMILY_MAP[font] || FONT_FAMILY_MAP["思源黑体"]
-
-export function PanelLipsyncPreview({
-  lipsyncJob,
-  onGenerateLipsync,
-  bRollSegments,
-  onOpenBRollModal,
-  onRemoveBRoll,
-  titleConfig,
-  onTitlePositionChange,
-}: PanelLipsyncPreviewProps) {
-  const titleDragRef = useRef<HTMLDivElement>(null)
-  const draggingTitleRef = useRef(false)
-  const previewContainerRef = useRef<HTMLDivElement>(null)
-  // 预览容器实际宽度（通过 ResizeObserver 监听），用于动态计算 previewScale
-  const [containerWidth, setContainerWidth] = useState(0)
-  const isGenerating = lipsyncJob?.status === "pending" || lipsyncJob?.status === "processing"
-  const isDone = lipsyncJob?.status === "completed"
-  const isFailed = lipsyncJob?.status === "failed"
-
-  const statusText =
-    lipsyncJob?.status === "processing"
-      ? "对口型生成中…"
-      : lipsyncJob?.status === "pending"
-        ? "排队中…"
-        : "对口型生成中…"
-
-  // 监听预览容器尺寸变化，动态测量宽度以计算 previewScale（基准 720p）
-  useEffect(() => {
-    const el = previewContainerRef.current
-    if (!el) return
-    const update = () => setContainerWidth(el.clientWidth || 0)
-    update()
-    if (typeof ResizeObserver !== "undefined") {
-      const ro = new ResizeObserver(update)
-      ro.observe(el)
-      return () => ro.disconnect()
-    }
-    window.addEventListener("resize", update)
-    return () => window.removeEventListener("resize", update)
-  }, [])
-
-  // 预览缩放比：预览宽度 / 720（基准宽度）
-  const previewScale = containerWidth > 0 ? containerWidth / 720 : 0.35
-  const ps = useCallback((v: number) => Math.round(v * previewScale * 100) / 100, [previewScale])
-
-  /** 标题叠加样式（字号/padding/描边/阴影均按 previewScale 缩放，保持与成片视觉一致） */
-  const titleOverlayStyle: React.CSSProperties | null =
-    titleConfig?.title && containerWidth > 0
-      ? (() => {
-          const baseSize = titleConfig.size || 48
-          const fontSize = ps(baseSize)
-          // 描边宽度基准 ≈ size * 0.06，最小 1.5px @720p
-          const strokeW = Math.max(ps(1.5), +(baseSize * 0.06 * previewScale).toFixed(2))
-          // 阴影按比例缩放
-          const shadowBlur = ps(4)
-          const shadowOffsetY = ps(2)
-          // padding / top 边距按比例（基准 8px 对应预览小窗，成片基准 16px，这里 8px 对应约 0.33 缩放）
-          const padV = ps(16) * 0.5 // ≈ 8px in ~240px container
-          const padH = ps(24) * 0.5
-
-          const style: React.CSSProperties = {
-            position: "absolute",
-            color: titleConfig.color || "#ffffff",
-            fontFamily: getFontFamily(titleConfig.font || "思源黑体"),
-            fontSize: `${fontSize}px`,
-            fontWeight: titleConfig.bold ? 700 : 400,
-            fontStyle: titleConfig.italic ? "italic" : "normal",
-            textAlign: "center",
-            width: "90%",
-            lineHeight: 1.2,
-            padding: `${ps(4)}px ${padH}px`,
-            textShadow: titleConfig.shadow
-              ? `0 ${shadowOffsetY}px ${shadowBlur}px rgba(0,0,0,0.8), 0 0 ${ps(2)}px rgba(0,0,0,0.5)`
-              : undefined,
-            WebkitTextStroke: titleConfig.stroke ? `${strokeW}px #000` : undefined,
-            boxSizing: "border-box",
-            wordBreak: "break-word",
-            whiteSpace: "pre-wrap",
-          }
-
-          if (
-            titleConfig.position === "custom" &&
-            titleConfig.pos_x != null &&
-            titleConfig.pos_y != null
-          ) {
-            style.left = `${titleConfig.pos_x}%`
-            style.top = `${titleConfig.pos_y}%`
-            style.transform = "translateX(-50%) translateY(-50%)"
-          } else if (titleConfig.position === "top") {
-            style.left = "50%"
-            style.top = padV
-            style.transform = "translateX(-50%)"
-          } else if (titleConfig.position === "bottom") {
-            style.left = "50%"
-            style.bottom = padV
-            style.transform = "translateX(-50%)"
-          } else {
-            style.left = "50%"
-            style.top = "50%"
-            style.transform = "translateX(-50%) translateY(-50%)"
-          }
-          return style
-        })()
-      : null
-
-  const handleTitlePointerDown = (e: React.PointerEvent<HTMLDivElement>) => {
-    if (!onTitlePositionChange || !previewContainerRef.current) return
-    e.preventDefault()
-    e.stopPropagation()
-    ;(e.target as Element).setPointerCapture(e.pointerId)
-    draggingTitleRef.current = true
-    ;(e.currentTarget as HTMLDivElement).style.cursor = "grabbing"
-  }
-  const handleTitlePointerMove = (e: React.PointerEvent<HTMLDivElement>) => {
-    if (!draggingTitleRef.current || !previewContainerRef.current) return
-    e.preventDefault()
-    e.stopPropagation()
-    if (titleDragRef.current) {
-      const rect = previewContainerRef.current.getBoundingClientRect()
-      const relX = Math.max(0, Math.min(rect.width, e.clientX - rect.left))
-      const relY = Math.max(0, Math.min(rect.height, e.clientY - rect.top))
-      const xpct = (relX / rect.width) * 100
-      const ypct = (relY / rect.height) * 100
-      titleDragRef.current.style.left = `${xpct}%`
-      titleDragRef.current.style.top = `${ypct}%`
-    }
-  }
-  const handleTitlePointerUp = (e: React.PointerEvent<HTMLDivElement>) => {
-    if (!draggingTitleRef.current) return
-    draggingTitleRef.current = false
-    if (onTitlePositionChange && previewContainerRef.current) {
-      const rect = previewContainerRef.current.getBoundingClientRect()
-      const relX = Math.max(0, Math.min(rect.width, e.clientX - rect.left))
-      const relY = Math.max(0, Math.min(rect.height, e.clientY - rect.top))
-      // 发送百分比坐标（0-100），与后端 drawtext 百分比表达式对齐
-      const xpct = Math.round((relX / rect.width) * 1000) / 10
-      const ypct = Math.round((relY / rect.height) * 1000) / 10
-      onTitlePositionChange({ pos_x: xpct, pos_y: ypct, position: "custom" })
-    }
-    ;(e.currentTarget as HTMLDivElement).style.cursor = "grab"
-  }
-
-  return (
-    <div className="aa-script-lipsync">
-      {/* ── B-roll 画面 ── */}
-      <div className="aa-lipsync-section">
-        <div className="aa-lipsync-section__title">
-          <span style={{ marginRight: 8 }}>🎞️ 插入画面</span>
-          {bRollSegments.length > 0 && (
-            <span className="aa-broll-badge">🎬 {bRollSegments.length} 个画面</span>
-          )}
-        </div>
-        <div className="aa-lipsync-actions">
-          <button
-            type="button"
-            className="aa-btn aa-btn--primary aa-btn--full"
-            onClick={onOpenBRollModal}
-          >
-            🎬 插入画面
-          </button>
-        </div>
-
-        {bRollSegments.length > 0 && (
-          <div className="aa-broll-list">
-            {bRollSegments.map((seg) => (
-              <div key={seg.id} className="aa-broll-item">
-                {seg.asset.thumbnail_url || seg.asset.file_url ? (
-                  <img
-                    className="aa-broll-item__thumb"
-                    src={seg.asset.thumbnail_url || seg.asset.file_url}
-                    alt={seg.asset.name}
-                  />
-                ) : (
-                  <span className="aa-broll-item__thumb" style={{ padding: "6px 4px" }}>
-                    🎬
-                  </span>
-                )}
-                <div className="aa-broll-item__info">
-                  <div
-                    style={{
-                      overflow: "hidden",
-                      textOverflow: "ellipsis",
-                      whiteSpace: "nowrap",
-                    }}
-                  >
-                    {seg.asset.name}
-                  </div>
-                  <div style={{ fontSize: 11, color: "#8c8ca1", marginTop: 2 }}>
-                    {BROLL_MODE_LABEL[seg.mode]} · {formatTime(seg.start_time)}-
-                    {formatTime(seg.end_time)}
-                  </div>
-                </div>
-                <button
-                  type="button"
-                  className="aa-broll-item__remove"
-                  title="删除"
-                  onClick={() => onRemoveBRoll(seg.id)}
-                >
-                  ✕
-                </button>
-              </div>
-            ))}
-          </div>
-        )}
-      </div>
-
-      {/* ── 对口型预览（标题字号按 previewScale 动态缩放） ─ */}
-      <div className="aa-lipsync-section">
-        <div className="aa-lipsync-section__title">对口型预览</div>
-
-        <div className="aa-lipsync-preview" ref={previewContainerRef}>
-          {isDone && lipsyncJob?.output_video_url ? (
-            <div style={{ position: "relative", width: "100%", height: "100%" }}>
-              <video src={lipsyncJob.output_video_url} controls />
-              {titleOverlayStyle && (
-                <div
-                  ref={titleDragRef}
-                  style={{
-                    ...titleOverlayStyle,
-                    cursor: onTitlePositionChange ? "grab" : "default",
-                    pointerEvents: onTitlePositionChange ? "auto" : "none",
-                  }}
-                  onPointerDown={handleTitlePointerDown}
-                  onPointerMove={handleTitlePointerMove}
-                  onPointerUp={handleTitlePointerUp}
-                  onPointerCancel={handleTitlePointerUp}
-                >
-                  {titleConfig!.title.split(/[/／]/).map((part, i) => (
-                    <span key={i}>
-                      {i > 0 && <br />}
-                      {part}
-                    </span>
-                  ))}
-                </div>
-              )}
-            </div>
-          ) : isGenerating ? (
-            <div style={{ width: "80%", textAlign: "center", color: "#fff" }}>
-              <div style={{ fontSize: 13, marginBottom: 8 }}>
-                {statusText} {Math.round(lipsyncJob?.progress ?? 0)}%
-              </div>
-              <div className="aa-progress">
-                <div
-                  className="aa-progress__bar"
-                  style={{ width: `${lipsyncJob?.progress ?? 0}%` }}
-                />
-              </div>
-            </div>
-          ) : (
-            <div className="aa-video-preview__placeholder">
-              {isFailed ? (
-                <>
-                  <div style={{ fontSize: 28, marginBottom: 8 }}>❌</div>
-                  <div>对口型生成失败</div>
-                  {lipsyncJob?.error_message && (
-                    <div
-                      style={{
-                        fontSize: 11,
-                        marginTop: 4,
-                        color: "#fca5a5",
-                      }}
-                    >
-                      {lipsyncJob.error_message}
-                    </div>
-                  )}
-                </>
-              ) : (
-                "生成对口型视频后在此预览"
-              )}
-            </div>
-          )}
-        </div>
-
-        <div className="aa-lipsync-actions">
-          {isDone ? (
-            <button type="button" className="aa-btn aa-btn--full" onClick={onGenerateLipsync}>
-              🔄 重新生成对口型
-            </button>
-          ) : isGenerating ? (
-            <button type="button" className="aa-btn aa-btn--full" disabled>
-              对口型生成中…
-            </button>
-          ) : (
-            <button
-              type="button"
-              className="aa-btn aa-btn--primary aa-btn--full"
-              onClick={onGenerateLipsync}
-            >
-              🎬 生成对口型视频
-            </button>
-          )}
-        </div>
-      </div>
-    </div>
-  )
-}
-
-export default PanelLipsyncPreview

apps/web/src/pages/ai-avatar/components/PanelScript.tsx

@@ -1,67 +0,0 @@
-/**
- * AI数字人 — 文案面板（步骤1用）
- * 文案库选择 / 手动输入 + 字数统计
- */
-import { useState } from "react"
-
-interface PanelScriptProps {
-  scriptText: string
-  onScriptTextChange: (text: string) => void
-  onOpenScriptModal: () => void
-}
-
-type ScriptTab = "library" | "manual"
-
-export function PanelScript({
-  scriptText,
-  onScriptTextChange,
-  onOpenScriptModal,
-}: PanelScriptProps) {
-  const [scriptTab, setScriptTab] = useState<ScriptTab>("library")
-
-  return (
-    <div className="aa-script-lipsync">
-      {/* ── Tab 切换 ── */}
-      <div className="aa-script-tabs">
-        <button
-          type="button"
-          className={`aa-script-tab${scriptTab === "library" ? " active" : ""}`}
-          onClick={() => setScriptTab("library")}
-        >
-          从文案库选择
-        </button>
-        <button
-          type="button"
-          className={`aa-script-tab${scriptTab === "manual" ? " active" : ""}`}
-          onClick={() => setScriptTab("manual")}
-        >
-          手动输入
-        </button>
-      </div>
-
-      {scriptTab === "library" && (
-        <button
-          type="button"
-          className="aa-btn aa-btn--ghost aa-btn--full"
-          style={{ marginBottom: 8 }}
-          onClick={onOpenScriptModal}
-        >
-          📚 从文案库选择文案
-        </button>
-      )}
-
-      <textarea
-        className="aa-textarea"
-        value={scriptText}
-        readOnly={scriptTab === "library"}
-        placeholder={
-          scriptTab === "library" ? "点击上方按钮，从文案库选择文案…" : "请输入数字人口播文案…"
-        }
-        onChange={(e) => onScriptTextChange(e.target.value)}
-      />
-      <div className="aa-char-count">{scriptText.length} 字</div>
-    </div>
-  )
-}
-
-export default PanelScript

apps/web/src/pages/ai-avatar/components/PanelScriptAndLipsync.tsx

@@ -0,0 +1,222 @@
+/**
+ * AI数字人 — 文案 & 对口型面板（面板4）
+ * 上半区：文案（文案库选择 / 手动输入）；下半区：对口型视频预览（9:16）+ B-roll 画面
+ */
+import { useState } from "react"
+import type { LipsyncJob, BRollSegment } from "../types"
+
+interface PanelScriptAndLipsyncProps {
+  scriptText: string
+  onScriptTextChange: (text: string) => void
+  onOpenScriptModal: () => void
+  lipsyncJob: LipsyncJob | null
+  onGenerateLipsync: () => void
+  bRollSegments: BRollSegment[]
+  onOpenBRollModal: () => void
+  onRemoveBRoll: (id: string) => void
+}
+
+type ScriptTab = "library" | "manual"
+
+const BROLL_MODE_LABEL: Record<BRollSegment["mode"], string> = {
+  fullscreen: "全屏",
+  pip: "画中画",
+}
+
+function formatTime(seconds: number): string {
+  const m = Math.floor(seconds / 60)
+  const s = Math.round(seconds % 60)
+  return `${m}:${s.toString().padStart(2, "0")}`
+}
+
+export function PanelScriptAndLipsync({
+  scriptText,
+  onScriptTextChange,
+  onOpenScriptModal,
+  lipsyncJob,
+  onGenerateLipsync,
+  bRollSegments,
+  onOpenBRollModal,
+  onRemoveBRoll,
+}: PanelScriptAndLipsyncProps) {
+  const [scriptTab, setScriptTab] = useState<ScriptTab>("library")
+
+  /* 对口型状态判断 */
+  const isGenerating = lipsyncJob?.status === "pending" || lipsyncJob?.status === "processing"
+  const isDone = lipsyncJob?.status === "completed"
+  const isFailed = lipsyncJob?.status === "failed"
+
+  const statusText =
+    lipsyncJob?.status === "processing"
+      ? "对口型生成中…"
+      : lipsyncJob?.status === "pending"
+        ? "排队中…"
+        : "对口型生成中…"
+
+  return (
+    <div className="aa-script-lipsync">
+      {/* ── 上半区：文案 ── */}
+      <div className="aa-script-tabs">
+        <button
+          type="button"
+          className={`aa-script-tab${scriptTab === "library" ? " active" : ""}`}
+          onClick={() => setScriptTab("library")}
+        >
+          从文案库选择
+        </button>
+        <button
+          type="button"
+          className={`aa-script-tab${scriptTab === "manual" ? " active" : ""}`}
+          onClick={() => setScriptTab("manual")}
+        >
+          手动输入
+        </button>
+      </div>
+
+      {scriptTab === "library" && (
+        <button
+          type="button"
+          className="aa-btn aa-btn--ghost aa-btn--full"
+          style={{ marginBottom: 8 }}
+          onClick={onOpenScriptModal}
+        >
+          📚 从文案库选择文案
+        </button>
+      )}
+
+      <textarea
+        className="aa-textarea"
+        value={scriptText}
+        readOnly={scriptTab === "library"}
+        placeholder={
+          scriptTab === "library" ? "点击上方按钮，从文案库选择文案…" : "请输入数字人口播文案…"
+        }
+        onChange={(e) => onScriptTextChange(e.target.value)}
+      />
+      <div className="aa-char-count">{scriptText.length} 字</div>
+
+      {/* ── B-roll 画面 ── */}
+      <div className="aa-lipsync-section">
+        <div className="aa-lipsync-section__title">
+          <span style={{ marginRight: 8 }}>🎞️ 插入画面</span>
+          {bRollSegments.length > 0 && (
+            <span className="aa-broll-badge">🎬 {bRollSegments.length} 个画面</span>
+          )}
+        </div>
+        <div className="aa-lipsync-actions">
+          <button
+            type="button"
+            className="aa-btn aa-btn--primary aa-btn--full"
+            onClick={onOpenBRollModal}
+          >
+            🎬 插入画面
+          </button>
+        </div>
+
+        {bRollSegments.length > 0 && (
+          <div className="aa-broll-list">
+            {bRollSegments.map((seg) => (
+              <div key={seg.id} className="aa-broll-item">
+                {seg.asset.thumbnail_url || seg.asset.file_url ? (
+                  <img
+                    className="aa-broll-item__thumb"
+                    src={seg.asset.thumbnail_url || seg.asset.file_url}
+                    alt={seg.asset.name}
+                  />
+                ) : (
+                  <span className="aa-broll-item__thumb" style={{ padding: "6px 4px" }}>
+                    🎬
+                  </span>
+                )}
+                <div className="aa-broll-item__info">
+                  <div
+                    style={{
+                      overflow: "hidden",
+                      textOverflow: "ellipsis",
+                      whiteSpace: "nowrap",
+                    }}
+                  >
+                    {seg.asset.name}
+                  </div>
+                  <div style={{ fontSize: 11, color: "#8c8ca1", marginTop: 2 }}>
+                    {BROLL_MODE_LABEL[seg.mode]} · {formatTime(seg.start_time)}-
+                    {formatTime(seg.end_time)}
+                  </div>
+                </div>
+                <button
+                  type="button"
+                  className="aa-broll-item__remove"
+                  title="删除"
+                  onClick={() => onRemoveBRoll(seg.id)}
+                >
+                  ✕
+                </button>
+              </div>
+            ))}
+          </div>
+        )}
+      </div>
+
+      {/* ── 下半区：对口型预览（竖屏 9:16） ── */}
+      <div className="aa-lipsync-section">
+        <div className="aa-lipsync-section__title">对口型预览</div>
+
+        <div className="aa-lipsync-preview">
+          {isDone && lipsyncJob?.output_video_url ? (
+            <video src={lipsyncJob.output_video_url} controls />
+          ) : isGenerating ? (
+            <div style={{ width: "80%", textAlign: "center", color: "#fff" }}>
+              <div style={{ fontSize: 13, marginBottom: 8 }}>
+                {statusText} {Math.round(lipsyncJob?.progress ?? 0)}%
+              </div>
+              <div className="aa-progress">
+                <div
+                  className="aa-progress__bar"
+                  style={{ width: `${lipsyncJob?.progress ?? 0}%` }}
+                />
+              </div>
+            </div>
+          ) : (
+            <div className="aa-video-preview__placeholder">
+              {isFailed ? (
+                <>
+                  <div style={{ fontSize: 28, marginBottom: 8 }}>❌</div>
+                  <div>对口型生成失败</div>
+                  {lipsyncJob?.error_message && (
+                    <div style={{ fontSize: 11, marginTop: 4, color: "#fca5a5" }}>
+                      {lipsyncJob.error_message}
+                    </div>
+                  )}
+                </>
+              ) : (
+                "生成对口型视频后在此预览"
+              )}
+            </div>
+          )}
+        </div>
+
+        <div className="aa-lipsync-actions">
+          {isDone ? (
+            <button type="button" className="aa-btn aa-btn--full" onClick={onGenerateLipsync}>
+              🔄 重新生成对口型
+            </button>
+          ) : isGenerating ? (
+            <button type="button" className="aa-btn aa-btn--full" disabled>
+              对口型生成中…
+            </button>
+          ) : (
+            <button
+              type="button"
+              className="aa-btn aa-btn--primary aa-btn--full"
+              onClick={onGenerateLipsync}
+            >
+              🎬 生成对口型视频
+            </button>
+          )}
+        </div>
+      </div>
+    </div>
+  )
+}
+
+export default PanelScriptAndLipsync

apps/web/src/pages/ai-avatar/components/PanelTitleConfig.tsx

@@ -13,7 +13,11 @@ import TitleStylePanel from "@/pages/generate/components/title/TitleStylePanel"
 import TitleLibraryAutoComplete from "@/pages/generate/components/title/TitleLibraryAutoComplete"
 import type { TitleOption } from "@/pages/generate/components/title/TitleLibraryAutoComplete"
 import type { TitleSettings } from "@/pages/generate/types"
-import { POSITION_OPTIONS, FONT_OPTIONS, TITLE_PRESETS } from "@/pages/generate/constants"
+import {
+  POSITION_OPTIONS,
+  FONT_OPTIONS,
+  TITLE_PRESETS,
+} from "@/pages/generate/constants"
 import type { AiAvatarTitleConfig } from "../types"
 import { getTitles } from "@/api/titles"
 
@@ -89,9 +93,7 @@ const PanelTitleConfig: React.FC<PanelTitleConfigProps> = ({ titleConfig, onUpda
             key={titleConfig.title}
             placeholder="选择标题填入上方"
             value=""
-            onChange={(val) => {
-              if (val) onUpdate({ title: val })
-            }}
+            onChange={(val) => { if (val) onUpdate({ title: val }) }}
             options={titleOptions}
             maxLength={200}
             style={{ flex: 1 }}

apps/web/src/pages/ai-avatar/components/PanelVideoSelector.tsx

@@ -2,16 +2,17 @@
  * AI数字人 — 出镜视频选择面板
  * - 未选视频：虚线上传区，点击打开素材库弹窗
  * - 已选视频：竖屏 9:16 预览播放器 + 视频信息卡片 + 移除按钮
- *
- * 注意：本面板只展示原始素材视频，不叠加标题（标题在对口型预览和最终成片上展示）
  */
 import type { AssetItem } from "@/api/assets"
+import type { AiAvatarTitleConfig } from "../types"
+import { getFontFamily } from "@/pages/generate/constants"
 
 export interface PanelVideoSelectorProps {
   selectedVideo: AssetItem | null
   /** 触发打开素材库弹窗 */
   onSelectVideo: () => void
   onRemoveVideo: () => void
+  titleConfig?: AiAvatarTitleConfig
 }
 
 /** 格式化时长（秒 → mm:ss） */
@@ -26,6 +27,7 @@ export function PanelVideoSelector({
   selectedVideo,
   onSelectVideo,
   onRemoveVideo,
+  titleConfig,
 }: PanelVideoSelectorProps) {
   /* 未选视频：虚线上传区，点击打开素材库弹窗 */
   if (!selectedVideo) {
@@ -55,13 +57,42 @@ export function PanelVideoSelector({
 
   return (
     <div>
-      {/* 竖屏 9:16 视频预览播放器（纯素材预览，不叠加标题） */}
-      <div className="aa-video-preview">
+      {/* 竖屏 9:16 视频预览播放器 + 标题实时预览 */}
+      <div className="aa-video-preview" style={{ position: "relative" }}>
         {fileUrl ? (
           <video src={fileUrl} poster={selectedVideo.thumbnail_url} controls playsInline />
         ) : (
           <div className="aa-video-preview__placeholder">视频暂不可预览</div>
         )}
+        {titleConfig?.title && (
+          <div
+            style={{
+              position: "absolute",
+              left: "50%",
+              transform: "translateX(-50%)",
+              ...(titleConfig.position === "top"
+                ? { top: "10%" }
+                : titleConfig.position === "bottom"
+                  ? { bottom: "10%" }
+                  : { top: "50%", transform: "translate(-50%, -50%)" }),
+              fontSize: Math.max(titleConfig.size, 32),
+              fontFamily: getFontFamily(titleConfig.font),
+              color: titleConfig.color,
+              fontWeight: titleConfig.bold ? 700 : 400,
+              fontStyle: titleConfig.italic ? "italic" : "normal",
+              textShadow: "0 2px 4px rgba(0,0,0,0.5)",
+              WebkitTextStroke: "2px #000",
+              pointerEvents: "none",
+              zIndex: 10,
+              maxWidth: "90%",
+              textAlign: "center",
+              whiteSpace: "pre-wrap",
+              lineHeight: 1.3,
+            }}
+          >
+            {titleConfig.title}
+          </div>
+        )}
       </div>
 
       {/* 视频信息卡片：文件名 / 时长 / 分辨率 */}

apps/web/src/pages/ai-avatar/components/PanelVoiceSelector.tsx

@@ -139,6 +139,13 @@ export function PanelVoiceSelector({
       }
       const targetId = voice.voice_clone_profile_id || voice.id
       // DEBUG: 打印请求参数，帮助定位 /tts/preview 失败原因
+      console.log("[AI数字人-克隆试听] previewTts 请求:", {
+        voice_id: targetId,
+        voice_name: voice.name,
+        voice_type: voice.type,
+        voice_clone_profile_id: voice.voice_clone_profile_id,
+        voice_id_field: voice.voice_id,
+      })
       setPreviewingId(voice.id)
       try {
         const res = await previewTts({
@@ -147,6 +154,10 @@ export function PanelVoiceSelector({
           speed: speed, // 透传用户选择的语速（#1822）
           emotion: normalizeEmotion(emotion), // 情绪中文→英文枚举
         })
+        console.log("[AI数字人-克隆试听] previewTts 响应:", {
+          audio_url: res.audio_url?.substring(0, 80),
+          duration: res.duration,
+        })
         if (!res.audio_url) {
           setPreviewingId(null)
           message.error("合成试听失败：未返回音频")

apps/web/src/pages/ai-avatar/components/TitleLibraryModal.tsx

@@ -76,8 +76,7 @@ const TitleLibraryModal: React.FC<TitleLibraryModalProps> = ({ open, onClose, on
                 >
                   <div style={{ fontSize: 14, color: "#1a1a2e", marginBottom: 4 }}>{t.content}</div>
                   <div style={{ fontSize: 12, color: "#8c8ca1" }}>
-                    {t.word_count ?? t.content.length}字 ·{" "}
-                    {t.created_at ? new Date(t.created_at).toLocaleDateString() : ""}
+                    {t.word_count ?? t.content.length}字 · {t.created_at ? new Date(t.created_at).toLocaleDateString() : ""}
                   </div>
                 </div>
               ))}

apps/web/src/pages/ai-avatar/hooks/useAiAvatar.ts

@@ -1,5 +1,5 @@
 /**
- * AI数字人 — 页面全局状态管理 hook（v3 + #1845 配音前置）
+ * AI数字人 — 页面全局状态管理 hook（v3）
  */
 import { useState, useCallback } from "react"
 import type { AssetItem } from "@/api/assets"
@@ -13,19 +13,10 @@ import {
   type BRollSegment,
   type AiAvatarTitleConfig,
   type AiAvatarCoverConfig,
-  type TtsPreviewResult,
   DEFAULT_TITLE_CONFIG,
   DEFAULT_COVER_CONFIG,
 } from "../types"
 
-const DEFAULT_TTS_PREVIEW: TtsPreviewResult = {
-  audioUrl: null,
-  duration: 0,
-  sentenceTimings: [],
-  status: "idle",
-  error: null,
-}
-
 export function useAiAvatar() {
   /* ── 面板1：出镜视频 ── */
   const [selectedVideo, setSelectedVideo] = useState<AssetItem | null>(null)
@@ -45,9 +36,6 @@ export function useAiAvatar() {
   const [showScriptModal, setShowScriptModal] = useState(false)
   const [showBRollModal, setShowBRollModal] = useState(false)
 
-  /* ── #1845 TTS 预合成（步骤1「生成配音」） ── */
-  const [ttsPreview, setTtsPreview] = useState<TtsPreviewResult>(DEFAULT_TTS_PREVIEW)
-
   /* ── 面板3.5：B-roll ── */
   const [bRollSegments, setBRollSegments] = useState<BRollSegment[]>([])
 
@@ -93,7 +81,6 @@ export function useAiAvatar() {
     setScript(null)
     setScriptText("")
     setLipsyncJob(null)
-    setTtsPreview(DEFAULT_TTS_PREVIEW)
     setBRollSegments([])
     setTitleConfig(DEFAULT_TITLE_CONFIG)
     setCoverConfig(DEFAULT_COVER_CONFIG)
@@ -131,10 +118,6 @@ export function useAiAvatar() {
     showBRollModal,
     setShowBRollModal,
     selectScript,
-    // #1845 TTS 预合成
-    ttsPreview,
-    setTtsPreview,
-    resetTtsPreview: useCallback(() => setTtsPreview(DEFAULT_TTS_PREVIEW), []),
     // B-roll
     bRollSegments,
     addBRollSegment,

apps/web/src/pages/ai-avatar/types.ts

@@ -28,17 +28,6 @@ export const VOICE_LANGUAGE_OPTIONS: { value: VoiceLanguage; label: string }[] =
 /* ── 对口型任务状态 ── */
 export type LipsyncStatus = "idle" | "pending" | "processing" | "completed" | "failed"
 
-/* ── TTS 预合成（#1845 配音前置：步骤1「生成配音」状态） ── */
-export type TtsPreviewStatus = "idle" | "generating" | "done" | "failed"
-
-export interface TtsPreviewResult {
-  audioUrl: string | null
-  duration: number
-  sentenceTimings: SentenceTiming[]
-  status: TtsPreviewStatus
-  error: string | null
-}
-
 /* ── 文案 ── */
 export interface Script {
   id: string
@@ -55,23 +44,12 @@ export interface LipsyncJob {
   status: LipsyncStatus
   progress: number
   output_video_url: string | null
-  /** 对口型成片总时长（秒），后端返回 */
-  script_text: string
+  /** 对口型成片总时长（秒），后端返回；用于 B-roll 时间自动估算（#1809 ⑥） */
   output_duration?: number
-  /** 精确句子时间戳（后端基于 TTS 音频静音检测计算） */
-  sentence_timings?: SentenceTiming[] | null
   error_message: string | null
   created_at: string
 }
 
-/* ── 句子时间戳（后端精确计算） ── */
-export interface SentenceTiming {
-  index: number
-  text: string
-  start_time: number
-  end_time: number
-}
-
 /* ── B-roll 画面插入 ── */
 export type BRollInsertMode = "fullscreen" | "pip"
 export type PipPosition = "top-left" | "top-right" | "bottom-left" | "bottom-right"
@@ -99,7 +77,7 @@ export interface AiAvatarTitleConfig {
   shadow: boolean
   color: string
   auto_subtitle: boolean
-  /** 自定义位置坐标（position=custom 时生效，百分比 0-100） */
+  /** 自定义位置坐标（position=custom 时生效，像素） */
   pos_x?: number
   pos_y?: number
 }
@@ -123,7 +101,6 @@ export interface RenderJob {
   status: RenderStatus
   progress: number
   output_video_url: string | null
-  output_cover_url: string | null
   error_message: string | null
   created_at: string
 }
@@ -133,7 +110,7 @@ export const DEFAULT_TITLE_CONFIG: AiAvatarTitleConfig = {
   title: "",
   position: "bottom",
   font: "思源黑体",
-  size: 48,
+  size: 28,
   bold: true,
   italic: false,
   stroke: false,

apps/web/src/pages/ai-avatar/utils/contract.ts

@@ -28,13 +28,10 @@ export function normalizeEmotion(raw: string | undefined | null): VoiceEmotion {
  * 后端真实字段：text(或content)、font(或font_preset)、font_size(或size)、
  * font_color(或color，可传 #RRGGBB)、position(top/center/bottom/custom)、
  * enabled、bold、stroke{enabled,width,color}、shadow{enabled,color,offset_x,offset_y}、
- * pos_x/pos_y(custom 时)、title_image_dataurl（前端 Canvas 渲染的 PNG dataURL，WYSIWYG 路径优先）。
+ * pos_x/pos_y(custom 时)。
  * 口播标题默认 position=bottom（不传后端会默认 top 跑到画面顶部）。
  */
-export function buildTitleConfigPayload(
-  cfg: AiAvatarTitleConfig,
-  titleImageDataUrl?: string | null,
-): Record<string, unknown> {
+export function buildTitleConfigPayload(cfg: AiAvatarTitleConfig): Record<string, unknown> {
   const text = (cfg.title || "").trim()
   if (!text) return {}
   const position = cfg.position || "bottom"
@@ -42,7 +39,7 @@ export function buildTitleConfigPayload(
     text,
     enabled: true,
     font: cfg.font || "思源黑体",
-    font_size: Math.round(cfg.size) || 48,
+    font_size: Math.round(cfg.size) || 36,
     font_color: cfg.color || "#ffffff",
     position,
     bold: !!cfg.bold,
@@ -56,10 +53,6 @@ export function buildTitleConfigPayload(
     payload.pos_x = cfg.pos_x
     payload.pos_y = cfg.pos_y
   }
-  // 前端 Canvas 渲染好的 PNG dataURL（所见即所得，后端优先 overlay 此图片图层）
-  if (titleImageDataUrl) {
-    payload.title_image_dataurl = titleImageDataUrl
-  }
   return payload
 }
 
@@ -74,14 +67,9 @@ export function buildCoverConfigPayload(
     // build_cover_extract_command 读取 timestamp（截帧秒数）
     timestamp: cfg.frame_time || 0,
   }
-  // 智能封面 URL（后端字段名为 url/imageUrl/cover_url 都兼容，优先 url）
-  if (smartCoverUrl) {
-    payload.url = smartCoverUrl
-    payload.cover_url = smartCoverUrl
-  }
+  if (smartCoverUrl) payload.cover_url = smartCoverUrl
   // 自定义上传：blob: 本地预览地址无法给后端，仅 OSS URL 可用
   if (cfg.mode === "upload" && cfg.upload_url && !cfg.upload_url.startsWith("blob:")) {
-    payload.url = cfg.upload_url
     payload.upload_url = cfg.upload_url
   }
   return payload

apps/web/src/pages/ai-avatar/utils/sentences.ts

@@ -1,10 +1,5 @@
 /**
- * AI数字人 — 文案分句 & B-roll 时间计算
- *
- * 数据来源优先级：
- *   1. 后端 sentence_timings（基于 TTS 音频静音检测，精确到句子边界）—— 直接使用，不重新分句
- *   2. 后端 output_duration（最终渲染视频时长） + 本地分句 —— 按字数比例估算
- *   3. 两者都没有（对口型还在生成中）—— 返回分句文本但 startTime/endTime 全部 0，等数据到位重算
+ * AI数字人 — 文案分句 & B-roll 时间自动估算（#1809 ⑤⑥）
  */
 
 export interface ScriptSentence {
@@ -16,67 +11,25 @@ export interface ScriptSentence {
   charCount: number
   /** 累计起始字数（用于时间估算） */
   startChar: number
-  /** 对口型视频内起始时间（秒）——后端精确值或前端估算 */
+  /** 估算的对口型视频内起始时间（秒） */
   startTime: number
-  /** 对口型视频内结束时间（秒）——后端精确值或前端估算 */
+  /** 估算的对口型视频内结束时间（秒） */
   endTime: number
 }
 
-/** 句子分隔符：中英文句号/问号/感叹号/分号/逗号/换行（覆盖中文短视频常用断句） */
-const SENTENCE_SPLIT_RE = /[。！？!?？！;；,，\n\r]+/
-
 /**
- * 分句并计算每句的起止时间。
- *
- * @param sentenceTimings 后端返回的精确句子时间戳（来自 lipsync_job.sentence_timings）。
- *   非空时直接按后端返回的句子列表渲染，不再本地分句（避免前后端分句不一致导致时间错位）。
- * @param outputDuration  最终视频时长（秒）。对口型预览阶段可能为 0，此时降级估算只能给 0。
+ * 按句号/问号/感叹号/分号/换行分句（兼容中英文标点）。
+ * 空文案返回空数组。时间按「该句字数 ÷ 全文总字数 × 口播总时长」线性估算。
  */
 export function splitScriptIntoSentences(
   scriptText: string,
-  sentenceTimings?:
-    { index?: number; text?: string; start_time: number; end_time: number }[] | null,
-  outputDuration: number = 0,
+  outputDuration: number,
 ): ScriptSentence[] {
   const text = (scriptText || "").trim()
   if (!text) return []
 
-  // 1. 后端返回了 sentence_timings：校验通过就直接用，跳过本地分句
-  //    校验条件放宽：只要是数组、至少1条、每条 start_time/end_time 是数字即可
-  //    （不再强制要求条数相等——后端静音检测可能按停顿切出更多/更少边界，
-  //    比如文案用逗号连写时本地只分1句、后端按停顿切4句，后端的切法才是对的）
-  if (Array.isArray(sentenceTimings) && sentenceTimings.length > 0) {
-    const valid = sentenceTimings.every(
-      (t) =>
-        t &&
-        typeof t.start_time === "number" &&
-        typeof t.end_time === "number" &&
-        isFinite(t.start_time) &&
-        isFinite(t.end_time) &&
-        t.end_time >= t.start_time,
-    )
-    if (valid) {
-      let accChar = 0
-      return sentenceTimings.map((t, i) => {
-        const sentenceText = (t.text || "").trim() || `句子${i + 1}`
-        const charCount = sentenceText.replace(/\s/g, "").length
-        const sentence: ScriptSentence = {
-          index: typeof t.index === "number" ? t.index : i,
-          text: sentenceText,
-          charCount,
-          startChar: accChar,
-          startTime: round1(t.start_time),
-          endTime: round1(t.end_time),
-        }
-        accChar += charCount
-        return sentence
-      })
-    }
-  }
-
-  // 2. 本地分句 + 按字数比例估算（降级路径）
   const rawParts = text
-    .split(SENTENCE_SPLIT_RE)
+    .split(/[。！？!?；;\n\r]+/)
     .map((part) => part.trim())
     .filter((part) => part.length > 0)
 

apps/web/src/pages/ai-avatar/utils/titleCanvas.ts

@@ -1,179 +0,0 @@
-/**
- * AI数字人 — 标题 Canvas 渲染工具
- *
- * 把标题按前端预览的 HTML/CSS 效果画到透明背景 PNG 上（与视频同分辨率），
- * 以 dataURL 形式传给后端，后端用 FFmpeg overlay 直接叠加图层，
- * 彻底解决前端 HTML/CSS 预览 ≠ FFmpeg drawtext 成片的 WYSIWYG 问题。
- *
- * 约定：titleConfig.size 的语义是"720p 基准宽度下的字号（px）"，
- *       按 videoWidth / 720 得到 scale，所有长度类参数乘以 scale，
- *       保证 1080p / 4K 成片里标题视觉大小与预览一致。
- */
-import type { AiAvatarTitleConfig } from "../types"
-
-export interface RenderTitlePngOptions {
-  /** 标题配置 */
-  titleConfig: AiAvatarTitleConfig
-  /** 视频宽度（像素），默认 720 */
-  videoWidth?: number
-  /** 视频高度（像素），默认 1280 */
-  videoHeight?: number
-}
-
-/**
- * 将标题渲染为透明背景 PNG 的 dataURL（data:image/png;base64,...）
- * Canvas 尺寸与视频一致，保证叠加时 1:1 像素对齐。
- *
- * 标题为空时返回 null。
- */
-export function renderTitleToPngDataUrl(opts: RenderTitlePngOptions): string | null {
-  const { titleConfig, videoWidth = 720, videoHeight = 1280 } = opts
-  if (!titleConfig) return null
-  const rawTitle = (titleConfig.title || "").trim()
-  if (!rawTitle) return null
-
-  // 按 / 或 ／ 分割为多行
-  const lines = rawTitle
-    .split(/[/／]/)
-    .map((l) => l.trim())
-    .filter((l) => l.length > 0)
-  if (lines.length === 0) return null
-
-  // 分辨率缩放系数：基准 720p，所有长度类参数乘以 scale
-  const scale = videoWidth / 720
-  const r = (v: number) => Math.round(v * scale)
-
-  const canvas = document.createElement("canvas")
-  canvas.width = videoWidth
-  canvas.height = videoHeight
-  const ctx = canvas.getContext("2d")
-  if (!ctx) return null
-
-  const baseSize = Math.max(12, Math.round(titleConfig.size || 48))
-  const size = r(baseSize)
-  const bold = !!titleConfig.bold
-  const italic = !!titleConfig.italic
-  const color = titleConfig.color || "#ffffff"
-  const stroke = !!titleConfig.stroke
-  const shadow = !!titleConfig.shadow
-
-  // 字体族 fallback 链：优先中文字体
-  const fontFamily =
-    '"Noto Sans CJK SC","Source Han Sans CN","PingFang SC","Microsoft YaHei",sans-serif'
-  const fontParts: string[] = []
-  if (italic) fontParts.push("italic")
-  if (bold) fontParts.push("bold")
-  fontParts.push(`${size}px`, fontFamily)
-  ctx.font = fontParts.join(" ")
-  ctx.fillStyle = color
-  ctx.textAlign = "center"
-  ctx.textBaseline = "middle"
-
-  // 阴影（shadow=true 时开启）——按 scale 缩放
-  if (shadow) {
-    ctx.shadowColor = "rgba(0,0,0,0.8)"
-    ctx.shadowBlur = r(4)
-    ctx.shadowOffsetX = 0
-    ctx.shadowOffsetY = r(2)
-  }
-
-  // 位置计算：与 PanelLipsyncPreview 的 CSS 对齐（按 scale 缩放 PAD）
-  const PAD = r(16)
-  let centerX = videoWidth / 2
-  const position = titleConfig.position || "bottom"
-  const lineGap = size * 1.2
-  const totalTextH = lines.length * lineGap - (lineGap - size) // 所有行的总高度
-  // 文本块顶部 y（textBaseline=middle 时首行基线）
-  let firstLineY: number
-  if (
-    position === "custom" &&
-    typeof titleConfig.pos_x === "number" &&
-    typeof titleConfig.pos_y === "number"
-  ) {
-    centerX = (Math.max(0, Math.min(100, titleConfig.pos_x)) / 100) * videoWidth
-    const centerY = (Math.max(0, Math.min(100, titleConfig.pos_y)) / 100) * videoHeight
-    firstLineY = centerY - totalTextH / 2 + size / 2
-  } else if (position === "top") {
-    // 顶部：y = size/2 + PAD
-    firstLineY = size / 2 + PAD
-  } else if (position === "center") {
-    firstLineY = videoHeight / 2 - totalTextH / 2 + size / 2
-  } else {
-    // bottom（默认）
-    firstLineY = videoHeight - totalTextH - PAD + size / 2
-  }
-
-  // 描边参数：描边 lineWidth 按 scale 缩放（基准 size * 0.06，最小 2px @720p）
-  const doStroke = stroke
-  const strokeWidth = Math.max(r(2), Math.round(size * 0.06))
-  // 逐行绘制
-  lines.forEach((line, idx) => {
-    const y = firstLineY + idx * lineGap
-    if (doStroke) {
-      const prevShadowColor = ctx.shadowColor
-      const prevShadowBlur = ctx.shadowBlur
-      // 描边不要带阴影（避免黑色描边发虚）
-      ctx.shadowColor = "rgba(0,0,0,0)"
-      ctx.shadowBlur = 0
-      ctx.lineWidth = strokeWidth
-      ctx.strokeStyle = "#000000"
-      ctx.lineJoin = "round"
-      ctx.strokeText(line, centerX, y)
-      // 恢复阴影
-      if (shadow) {
-        ctx.shadowColor = "rgba(0,0,0,0.8)"
-        ctx.shadowBlur = r(4)
-      } else {
-        ctx.shadowColor = prevShadowColor
-        ctx.shadowBlur = prevShadowBlur
-      }
-    }
-    ctx.fillText(line, centerX, y)
-  })
-
-  try {
-    return canvas.toDataURL("image/png")
-  } catch {
-    return null
-  }
-}
-
-/**
- * 获取视频真实分辨率（HTMLVideoElement + loadedmetadata，超时 3 秒兜底 720×1280）。
- */
-export function getVideoResolution(
-  videoUrl: string,
-  timeoutMs = 3000,
-): Promise<{ width: number; height: number }> {
-  return new Promise((resolve) => {
-    if (!videoUrl) {
-      resolve({ width: 720, height: 1280 })
-      return
-    }
-    const video = document.createElement("video")
-    video.preload = "metadata"
-    video.muted = true
-    video.playsInline = true
-    video.crossOrigin = "anonymous"
-    let settled = false
-    const done = (w: number, h: number) => {
-      if (settled) return
-      settled = true
-      video.removeAttribute("src")
-      video.load()
-      resolve({ width: w, height: h })
-    }
-    const timer = window.setTimeout(() => done(720, 1280), timeoutMs)
-    video.onloadedmetadata = () => {
-      window.clearTimeout(timer)
-      const w = video.videoWidth || 720
-      const h = video.videoHeight || 1280
-      done(w, h)
-    }
-    video.onerror = () => {
-      window.clearTimeout(timer)
-      done(720, 1280)
-    }
-    video.src = videoUrl
-  })
-}

apps/web/src/pages/assets/hooks/asset-operations/batch/index.ts

@@ -0,0 +1,4 @@
+export { useBatchDelete } from "./useBatchDelete"
+export { useBatchTag } from "./useBatchTag"
+export { useBatchClassify } from "./useBatchClassify"
+export { useBatchMark } from "./useBatchMark"

apps/web/src/pages/assets/hooks/asset-operations/batch/useBatchClassify.ts

@@ -0,0 +1,58 @@
+import { useState, useCallback } from "react"
+import { message } from "antd"
+import { batchClassifyAssets, type BatchOperationResult } from "@/api/assets"
+
+interface UseBatchClassifyOptions {
+  selectedIds: Set<string>
+  queryClient: ReturnType<typeof import("@tanstack/react-query").useQueryClient>
+  showResult: (result: BatchOperationResult, title: string, clear?: boolean) => void
+}
+
+export const useBatchClassify = ({
+  selectedIds,
+  queryClient,
+  showResult,
+}: UseBatchClassifyOptions) => {
+  const [classifyModalOpen, setClassifyModalOpen] = useState(false)
+  const [batchCategory, setBatchCategory] = useState("")
+  const [batchLoading, setBatchLoading] = useState(false)
+
+  const handleBatchClassify = useCallback(async () => {
+    if (!batchCategory) {
+      message.warning("请选择分类")
+      return
+    }
+    const ids = Array.from(selectedIds)
+    setBatchLoading(true)
+    try {
+      const result = await batchClassifyAssets({
+        asset_ids: ids,
+        category: batchCategory,
+      })
+      queryClient.invalidateQueries({ queryKey: ["assets"] })
+      showResult(result, "批量改分类")
+      setClassifyModalOpen(false)
+      setBatchCategory("")
+      if (result.failure_count === 0) {
+        message.success(`成功将 ${result.success_count} 个素材改为「${batchCategory}」`)
+      } else {
+        message.warning(
+          `改分类完成：成功 ${result.success_count} 个，失败 ${result.failure_count} 个`,
+        )
+      }
+    } catch {
+      message.error("批量改分类失败，请重试")
+    } finally {
+      setBatchLoading(false)
+    }
+  }, [batchCategory, selectedIds, queryClient, showResult])
+
+  return {
+    classifyModalOpen,
+    setClassifyModalOpen,
+    batchCategory,
+    setBatchCategory,
+    batchLoading,
+    handleBatchClassify,
+  }
+}

apps/web/src/pages/assets/hooks/asset-operations/batch/useBatchDelete.ts

@@ -0,0 +1,40 @@
+import { useState, useCallback } from "react"
+import { message } from "antd"
+import { batchDeleteAssets, type BatchOperationResult } from "@/api/assets"
+
+interface UseBatchDeleteOptions {
+  selectedIds: Set<string>
+  invalidateAssets: () => void
+  showResult: (result: BatchOperationResult, title: string, clear?: boolean) => void
+}
+
+export const useBatchDelete = ({
+  selectedIds,
+  invalidateAssets,
+  showResult,
+}: UseBatchDeleteOptions) => {
+  const [batchLoading, setBatchLoading] = useState(false)
+
+  const handleBatchDelete = useCallback(async () => {
+    const ids = Array.from(selectedIds)
+    setBatchLoading(true)
+    try {
+      const result = await batchDeleteAssets(ids)
+      invalidateAssets()
+      showResult(result, "批量删除")
+      if (result.failure_count === 0) {
+        message.success(`成功删除 ${result.success_count} 个素材`)
+      } else {
+        message.warning(
+          `删除完成：成功 ${result.success_count} 个，失败 ${result.failure_count} 个`,
+        )
+      }
+    } catch {
+      message.error("批量删除失败，请重试")
+    } finally {
+      setBatchLoading(false)
+    }
+  }, [selectedIds, invalidateAssets, showResult])
+
+  return { batchLoading, handleBatchDelete }
+}

apps/web/src/pages/assets/hooks/asset-operations/batch/useBatchMark.ts

@@ -0,0 +1,53 @@
+import { useState, useCallback } from "react"
+import { message } from "antd"
+import { batchMarkAssets, type BatchOperationResult } from "@/api/assets"
+import type { SmartViewType } from "../../../components/BatchMarkModal"
+import { SMART_VIEW_LABELS } from "../constants"
+
+interface UseBatchMarkOptions {
+  selectedIds: Set<string>
+  queryClient: ReturnType<typeof import("@tanstack/react-query").useQueryClient>
+  showResult: (result: BatchOperationResult, title: string, clear?: boolean) => void
+}
+
+export const useBatchMark = ({ selectedIds, queryClient, showResult }: UseBatchMarkOptions) => {
+  const [markModalOpen, setMarkModalOpen] = useState(false)
+  const [batchSmartView, setBatchSmartView] = useState<SmartViewType>("recommended")
+  const [batchLoading, setBatchLoading] = useState(false)
+
+  const handleBatchMark = useCallback(async () => {
+    const ids = Array.from(selectedIds)
+    setBatchLoading(true)
+    try {
+      const result = await batchMarkAssets({
+        asset_ids: ids,
+        smart_view: batchSmartView,
+      })
+      queryClient.invalidateQueries({ queryKey: ["assets"] })
+      showResult(result, "批量智能标记")
+      setMarkModalOpen(false)
+      if (result.failure_count === 0) {
+        message.success(
+          `成功将 ${result.success_count} 个素材标记为「${SMART_VIEW_LABELS[batchSmartView]}」`,
+        )
+      } else {
+        message.warning(
+          `智能标记完成：成功 ${result.success_count} 个，失败 ${result.failure_count} 个`,
+        )
+      }
+    } catch {
+      message.error("批量智能标记失败，请重试")
+    } finally {
+      setBatchLoading(false)
+    }
+  }, [batchSmartView, selectedIds, queryClient, showResult])
+
+  return {
+    markModalOpen,
+    setMarkModalOpen,
+    batchSmartView,
+    setBatchSmartView,
+    batchLoading,
+    handleBatchMark,
+  }
+}

apps/web/src/pages/assets/hooks/asset-operations/batch/useBatchTag.ts

@@ -0,0 +1,86 @@
+import { useState, useCallback } from "react"
+import { message } from "antd"
+import { batchTagAssets, type BatchOperationResult } from "@/api/assets"
+
+interface UseBatchTagOptions {
+  selectedIds: Set<string>
+  queryClient: ReturnType<typeof import("@tanstack/react-query").useQueryClient>
+  showResult: (result: BatchOperationResult, title: string, clear?: boolean) => void
+}
+
+export const useBatchTag = ({ selectedIds, queryClient, showResult }: UseBatchTagOptions) => {
+  const [tagModalOpen, setTagModalOpen] = useState(false)
+  const [batchTagInput, setBatchTagInput] = useState("")
+  const [batchTags, setBatchTags] = useState<string[]>([])
+  const [tagMode, setTagMode] = useState<"add" | "replace">("add")
+  const [batchLoading, setBatchLoading] = useState(false)
+
+  const handleBatchTag = useCallback(async () => {
+    if (batchTags.length === 0) {
+      message.warning("请至少输入一个标签")
+      return
+    }
+    const ids = Array.from(selectedIds)
+    setBatchLoading(true)
+    try {
+      const result = await batchTagAssets({
+        asset_ids: ids,
+        tags: batchTags,
+        mode: tagMode,
+      })
+      queryClient.invalidateQueries({ queryKey: ["assets"] })
+      showResult(result, "批量打标签")
+      setTagModalOpen(false)
+      setBatchTags([])
+      setBatchTagInput("")
+      setTagMode("add")
+      if (result.failure_count === 0) {
+        message.success(`成功为 ${result.success_count} 个素材打标签`)
+      } else {
+        message.warning(
+          `打标签完成：成功 ${result.success_count} 个，失败 ${result.failure_count} 个`,
+        )
+      }
+    } catch {
+      message.error("批量打标签失败，请重试")
+    } finally {
+      setBatchLoading(false)
+    }
+  }, [batchTags, selectedIds, tagMode, queryClient, showResult])
+
+  const handleTagInputKeyDown = useCallback(
+    (e: React.KeyboardEvent) => {
+      if (e.key === "Enter" && batchTagInput.trim()) {
+        e.preventDefault()
+        const tag = batchTagInput.trim()
+        if (!batchTags.includes(tag)) {
+          setBatchTags([...batchTags, tag])
+        }
+        setBatchTagInput("")
+      }
+    },
+    [batchTagInput, batchTags],
+  )
+
+  const removeBatchTag = useCallback(
+    (tag: string) => {
+      setBatchTags(batchTags.filter((t) => t !== tag))
+    },
+    [batchTags],
+  )
+
+  return {
+    tagModalOpen,
+    setTagModalOpen,
+    batchTagInput,
+    setBatchTagInput,
+    batchTags,
+    setBatchTags,
+    tagMode,
+    setTagMode,
+    batchLoading,
+    handleBatchTag,
+    handleTagInputKeyDown,
+    removeBatchTag,
+  }
+}

apps/web/src/pages/assets/hooks/asset-operations/batchOperations.ts

@@ -0,0 +1,8 @@
+/**
+ * @deprecated 请从 ./batch/ 目录导入子模块
+ * 保持向后兼容，re-export 所有批量操作 Hook
+ */
+export { useBatchDelete } from "./batch/useBatchDelete"
+export { useBatchTag } from "./batch/useBatchTag"
+export { useBatchClassify } from "./batch/useBatchClassify"
+export { useBatchMark } from "./batch/useBatchMark"

apps/web/src/pages/editing-planner/components/pip-config/LayerConfig.tsx

@@ -0,0 +1,5 @@
+/**
+ * LayerConfig 入口（向后兼容）
+ * 实际实现位于 ./layer-config/ 目录
+ */
+export { default } from "./layer-config"

apps/web/src/pages/editing-planner/components/pip-config/LayerList.tsx

@@ -0,0 +1,65 @@
+/**
+ * 混剪图层列表
+ */
+import React from "react"
+import type { PipLayer } from "@/pages/editing-planner/types"
+import { LAYER_COLORS } from "@/pages/editing-planner/constants/pipConfig"
+
+interface LayerListProps {
+  layers: PipLayer[]
+  selectedId: string
+  onSelect: (id: string) => void
+  onAdd: () => void
+  onDelete: (id: string) => void
+}
+
+const LayerList: React.FC<LayerListProps> = ({ layers, selectedId, onSelect, onAdd, onDelete }) => {
+  return (
+    <div className="pip-layer-list">
+      <div className="pip-toolbar" style={{ marginBottom: 8 }}>
+        <button className="pip-add-btn" onClick={onAdd}>
+          + 添加图层
+        </button>
+      </div>
+      {layers.length === 0 ? (
+        <div className="pip-layer-empty">暂无图层，点击上方添加</div>
+      ) : (
+        layers.map((layer, idx) => (
+          <div
+            key={layer.id}
+            className={`pip-layer-item${selectedId === layer.id ? " active" : ""}`}
+            onClick={() => onSelect(layer.id)}
+          >
+            {layer.thumbnail_url || layer.material_url ? (
+              <img
+                className="pip-layer-thumb"
+                src={layer.thumbnail_url || layer.material_url}
+                alt={layer.name}
+              />
+            ) : (
+              <div
+                className="pip-layer-thumb"
+                style={{
+                  background: LAYER_COLORS[idx % LAYER_COLORS.length],
+                }}
+              />
+            )}
+            <span className="pip-layer-name">{layer.name}</span>
+            <button
+              className="pip-layer-delete"
+              onClick={(e) => {
+                e.stopPropagation()
+                onDelete(layer.id)
+              }}
+              title="删除图层"
+            >
+              ✕
+            </button>
+          </div>
+        ))
+      )}
+    </div>
+  )
+}
+
+export default LayerList

apps/web/src/pages/editing-planner/components/pip-config/layer-config/LayerPositionSize.tsx

@@ -0,0 +1,172 @@
+import React from "react"
+import type { PipLayer, PipGridPosition } from "@/pages/editing-planner/types"
+import { GRID_POSITIONS } from "@/pages/editing-planner/constants/pipConfig"
+
+interface LayerPositionSizeProps {
+  layer: PipLayer
+  onUpdate: (id: string, partial: Partial<PipLayer>) => void
+  onGridClick: (pos: PipGridPosition) => void
+  onWidthChange: (val: number) => void
+  onHeightChange: (val: number) => void
+}
+
+/**
+ * 图层位置与尺寸配置面板
+ */
+export const LayerPositionSize: React.FC<LayerPositionSizeProps> = ({
+  layer,
+  onUpdate,
+  onGridClick,
+  onWidthChange,
+  onHeightChange,
+}) => (
+  <>
+    {/* 素材类型 */}
+    <div className="pip-field">
+      <label className="pip-field-label">素材类型</label>
+      <div className="pip-type-btns">
+        <button
+          className={`pip-type-btn${layer.material_type === "image" ? " active" : ""}`}
+          onClick={() => onUpdate(layer.id, { material_type: "image" })}
+        >
+          🖼️ 图片
+        </button>
+        <button
+          className={`pip-type-btn${layer.material_type === "video" ? " active" : ""}`}
+          onClick={() => onUpdate(layer.id, { material_type: "video" })}
+        >
+          🎬 视频
+        </button>
+      </div>
+    </div>
+
+    {/* 素材 URL */}
+    <div className="pip-field">
+      <label className="pip-field-label">
+        {layer.material_type === "image" ? "图片" : "视频"} URL
+      </label>
+      <input
+        className="pip-input"
+        type="text"
+        placeholder={
+          layer.material_type === "image"
+            ? "https://example.com/image.png"
+            : "https://example.com/video.mp4"
+        }
+        value={layer.material_url}
+        onChange={(e) => onUpdate(layer.id, { material_url: e.target.value })}
+      />
+    </div>
+
+    {/* 位置：九宫格 + 坐标 */}
+    <div className="pip-field">
+      <label className="pip-field-label">位置</label>
+      <div style={{ display: "flex", gap: 16, alignItems: "flex-start" }}>
+        <div className="pip-grid">
+          {GRID_POSITIONS.map((pos) => (
+            <button
+              key={pos}
+              className={`pip-grid-btn${layer.grid_position === pos ? " active" : ""}`}
+              onClick={() => onGridClick(pos)}
+            >
+              <span className="pip-grid-dot" />
+            </button>
+          ))}
+        </div>
+        <div className="pip-field-row" style={{ flex: 1 }}>
+          <div>
+            <label className="pip-field-label">X (%)</label>
+            <input
+              className="pip-number"
+              type="number"
+              min={0}
+              max={100}
+              value={layer.x}
+              onChange={(e) => onUpdate(layer.id, { x: Number(e.target.value) })}
+            />
+          </div>
+          <div>
+            <label className="pip-field-label">Y (%)</label>
+            <input
+              className="pip-number"
+              type="number"
+              min={0}
+              max={100}
+              value={layer.y}
+              onChange={(e) => onUpdate(layer.id, { y: Number(e.target.value) })}
+            />
+          </div>
+        </div>
+      </div>
+    </div>
+
+    {/* 尺寸 */}
+    <div className="pip-field">
+      <label className="pip-field-label">尺寸</label>
+      <div className="pip-slider-row">
+        <span style={{ fontSize: 12, color: "#999", width: 20 }}>宽</span>
+        <input
+          className="pip-slider"
+          type="range"
+          min={10}
+          max={80}
+          value={layer.width}
+          onChange={(e) => onWidthChange(Number(e.target.value))}
+        />
+        <span className="pip-slider-value">{layer.width}%</span>
+      </div>
+      <div className="pip-slider-row" style={{ marginTop: 6 }}>
+        <span style={{ fontSize: 12, color: "#999", width: 20 }}>高</span>
+        <input
+          className="pip-slider"
+          type="range"
+          min={10}
+          max={80}
+          value={layer.height}
+          onChange={(e) => onHeightChange(Number(e.target.value))}
+        />
+        <span className="pip-slider-value">{layer.height}%</span>
+      </div>
+      <div
+        className="pip-lock-row"
+        style={{ marginTop: 6 }}
+        onClick={() => onUpdate(layer.id, { aspect_lock: !layer.aspect_lock })}
+      >
+        <span className="pip-lock-icon">{layer.aspect_lock ? "🔒" : "🔓"}</span>
+        <span>{layer.aspect_lock ? "已锁定比例" : "锁定宽高比"}</span>
+      </div>
+    </div>
+
+    {/* 圆角 */}
+    <div className="pip-field">
+      <label className="pip-field-label">圆角</label>
+      <div className="pip-slider-row">
+        <input
+          className="pip-slider"
+          type="range"
+          min={0}
+          max={50}
+          value={layer.border_radius}
+          onChange={(e) => onUpdate(layer.id, { border_radius: Number(e.target.value) })}
+        />
+        <span className="pip-slider-value">{layer.border_radius}%</span>
+      </div>
+    </div>
+
+    {/* 透明度 */}
+    <div className="pip-field">
+      <label className="pip-field-label">透明度</label>
+      <div className="pip-slider-row">
+        <input
+          className="pip-slider"
+          type="range"
+          min={0}
+          max={100}
+          value={layer.opacity}
+          onChange={(e) => onUpdate(layer.id, { opacity: Number(e.target.value) })}
+        />
+        <span className="pip-slider-value">{layer.opacity}%</span>
+      </div>
+    </div>
+  </>
+)

apps/web/src/pages/editing-planner/components/pip-config/layer-config/LayerTimingAnimation.tsx

@@ -0,0 +1,87 @@
+import React from "react"
+import type { PipLayer, PipAnimType, PipSlideDirection } from "@/pages/editing-planner/types"
+import { ANIM_OPTIONS, SLIDE_DIR_OPTIONS } from "@/pages/editing-planner/constants/pipConfig"
+
+interface LayerTimingAnimationProps {
+  layer: PipLayer
+  totalDuration: number
+  onUpdate: (id: string, partial: Partial<PipLayer>) => void
+}
+
+/**
+ * 图层时间与动画配置面板
+ */
+export const LayerTimingAnimation: React.FC<LayerTimingAnimationProps> = ({
+  layer,
+  totalDuration,
+  onUpdate,
+}) => (
+  <>
+    {/* 时间 */}
+    <div className="pip-field">
+      <label className="pip-field-label">时间</label>
+      <div className="pip-field-row">
+        <div>
+          <label className="pip-field-label">开始 (s)</label>
+          <input
+            className="pip-number"
+            type="number"
+            min={0}
+            max={totalDuration || 999}
+            step={0.1}
+            value={layer.start_time}
+            onChange={(e) => onUpdate(layer.id, { start_time: Number(e.target.value) })}
+          />
+        </div>
+        <div>
+          <label className="pip-field-label">持续 (s)</label>
+          <input
+            className="pip-number"
+            type="number"
+            min={0.1}
+            max={totalDuration || 999}
+            step={0.1}
+            value={layer.duration}
+            onChange={(e) => onUpdate(layer.id, { duration: Number(e.target.value) })}
+          />
+        </div>
+      </div>
+    </div>
+
+    {/* 入场动画 */}
+    <div className="pip-field">
+      <label className="pip-field-label">入场动画</label>
+      <select
+        className="pip-select"
+        value={layer.animation}
+        onChange={(e) => onUpdate(layer.id, { animation: e.target.value as PipAnimType })}
+      >
+        {ANIM_OPTIONS.map((opt) => (
+          <option key={opt.value} value={opt.value}>
+            {opt.label}
+          </option>
+        ))}
+      </select>
+    </div>
+
+    {/* 滑入方向（仅 slide_in 时显示） */}
+    {layer.animation === "slide_in" && (
+      <div className="pip-field">
+        <label className="pip-field-label">滑入方向</label>
+        <select
+          className="pip-select"
+          value={layer.slide_direction}
+          onChange={(e) =>
+            onUpdate(layer.id, { slide_direction: e.target.value as PipSlideDirection })
+          }
+        >
+          {SLIDE_DIR_OPTIONS.map((opt) => (
+            <option key={opt.value} value={opt.value}>
+              {opt.label}
+            </option>
+          ))}
+        </select>
+      </div>
+    )}
+  </>
+)

apps/web/src/pages/editing-planner/components/pip-config/layer-config/PipPreview.tsx

@@ -0,0 +1,33 @@
+import React from "react"
+import type { PipLayer } from "@/pages/editing-planner/types"
+import { LAYER_COLORS } from "@/pages/editing-planner/constants/pipConfig"
+
+interface PipPreviewProps {
+  layers: PipLayer[]
+  selectedId: string
+}
+
+/**
+ * PIP 图层迷你预览组件
+ */
+export const PipPreview: React.FC<PipPreviewProps> = ({ layers, selectedId }) => (
+  <div className="pip-preview-box">
+    {layers.map((l, idx) => (
+      <div
+        key={l.id}
+        className={`pip-preview-layer${selectedId === l.id ? " selected" : ""}`}
+        style={{
+          left: `${l.x}%`,
+          top: `${l.y}%`,
+          width: `${l.width}%`,
+          height: `${l.height}%`,
+          background: LAYER_COLORS[idx % LAYER_COLORS.length],
+          opacity: l.opacity / 100,
+          borderRadius: `${l.border_radius}%`,
+        }}
+      >
+        <span className="pip-preview-label">{l.name}</span>
+      </div>
+    ))}
+  </div>
+)

apps/web/src/pages/editing-planner/components/pip-config/layer-config/index.tsx

@@ -0,0 +1,57 @@
+/**
+ * 混剪单图层配置区
+ */
+import React from "react"
+import type { PipLayer, PipGridPosition } from "@/pages/editing-planner/types"
+import { PipPreview } from "./PipPreview"
+import { LayerPositionSize } from "./LayerPositionSize"
+import { LayerTimingAnimation } from "./LayerTimingAnimation"
+
+interface LayerConfigProps {
+  layer: PipLayer | null
+  layers: PipLayer[]
+  totalDuration: number
+  onUpdate: (id: string, partial: Partial<PipLayer>) => void
+  onGridClick: (pos: PipGridPosition) => void
+  onWidthChange: (val: number) => void
+  onHeightChange: (val: number) => void
+}
+
+const LayerConfig: React.FC<LayerConfigProps> = ({
+  layer,
+  layers,
+  totalDuration,
+  onUpdate,
+  onGridClick,
+  onWidthChange,
+  onHeightChange,
+}) => {
+  if (!layer) {
+    return (
+      <div className="pip-config-area">
+        <div className="pip-config-empty">选择或添加图层以配置</div>
+      </div>
+    )
+  }
+
+  return (
+    <div className="pip-config-area">
+      {/* 迷你预览 */}
+      <PipPreview layers={layers} selectedId={layer.id} />
+
+      {/* 位置与尺寸 */}
+      <LayerPositionSize
+        layer={layer}
+        onUpdate={onUpdate}
+        onGridClick={onGridClick}
+        onWidthChange={onWidthChange}
+        onHeightChange={onHeightChange}
+      />
+
+      {/* 时间与动画 */}
+      <LayerTimingAnimation layer={layer} totalDuration={totalDuration} onUpdate={onUpdate} />
+    </div>
+  )
+}
+
+export default LayerConfig

apps/web/src/pages/editing-planner/components/sticker/StickerLibrary.tsx

@@ -0,0 +1,142 @@
+/**
+ * 贴纸素材库（emoji / 图片 / 文字花字）
+ */
+import React, { useState } from "react"
+import type { StickerType, TextStickerPreset } from "@/pages/editing-planner/types"
+import {
+  EMOJI_LIST,
+  STICKER_TYPE_TABS,
+  TEXT_PRESET_STYLES,
+  TEXT_STICKER_PRESET_LABELS,
+} from "@/pages/editing-planner/constants/sticker"
+
+interface StickerLibraryProps {
+  activeTab: StickerType
+  onTabChange: (tab: StickerType) => void
+  onAddSticker: (type: StickerType, content: string) => void
+}
+
+const StickerLibrary: React.FC<StickerLibraryProps> = ({
+  activeTab,
+  onTabChange,
+  onAddSticker,
+}) => {
+  const [textInput, setTextInput] = useState("")
+  const imageInputRef = React.useRef<HTMLInputElement>(null)
+
+  const handleAddImage = () => {
+    const val = imageInputRef.current?.value.trim()
+    if (val) {
+      onAddSticker("image", val)
+      if (imageInputRef.current) imageInputRef.current.value = ""
+    }
+  }
+
+  const handleAddText = () => {
+    if (textInput.trim()) {
+      onAddSticker("text", textInput.trim())
+      setTextInput("")
+    }
+  }
+
+  return (
+    <>
+      {/* 类型 Tab */}
+      <div className="sticker-tabs">
+        {STICKER_TYPE_TABS.map((t) => (
+          <button
+            key={t.value}
+            className={`sticker-tab${activeTab === t.value ? " active" : ""}`}
+            onClick={() => onTabChange(t.value)}
+          >
+            {t.label}
+          </button>
+        ))}
+      </div>
+
+      {/* Tab 内容区 */}
+      <div className="sticker-tab-content">
+        {/* Emoji 素材库 */}
+        {activeTab === "emoji" && (
+          <div className="sticker-emoji-grid">
+            {EMOJI_LIST.map((emoji) => (
+              <button
+                key={emoji}
+                className="sticker-emoji-btn"
+                onClick={() => onAddSticker("emoji", emoji)}
+              >
+                {emoji}
+              </button>
+            ))}
+          </div>
+        )}
+
+        {/* 图片贴纸 */}
+        {activeTab === "image" && (
+          <div className="sticker-image-input">
+            <input
+              ref={imageInputRef}
+              type="text"
+              className="sticker-url-input"
+              placeholder="输入图片 URL 添加贴纸..."
+              onKeyDown={(e) => {
+                if (e.key === "Enter" && e.currentTarget.value.trim()) {
+                  handleAddImage()
+                }
+              }}
+            />
+            <button className="sticker-url-add-btn" onClick={handleAddImage}>
+              添加
+            </button>
+          </div>
+        )}
+
+        {/* 文字花字 */}
+        {activeTab === "text" && (
+          <div className="sticker-text-section">
+            <div className="sticker-text-input-row">
+              <input
+                type="text"
+                className="sticker-text-input"
+                placeholder="输入文字内容..."
+                value={textInput}
+                onChange={(e) => setTextInput(e.target.value)}
+              />
+              <button
+                className="sticker-text-add-btn"
+                disabled={!textInput.trim()}
+                onClick={handleAddText}
+              >
+                添加
+              </button>
+            </div>
+            <div className="sticker-text-presets">
+              <div className="sticker-preset-title">花字预设预览</div>
+              <div className="sticker-preset-grid">
+                {(Object.keys(TEXT_STICKER_PRESET_LABELS) as TextStickerPreset[]).map((p) => (
+                  <div
+                    key={p}
+                    className="sticker-preset-preview"
+                    style={{
+                      background:
+                        p === "bubble"
+                          ? "rgba(0,0,0,0.5)"
+                          : p === "gradient"
+                            ? "linear-gradient(90deg,#f093fb,#f5576c)"
+                            : "#1a1a2e",
+                    }}
+                  >
+                    <span style={TEXT_PRESET_STYLES[p]}>示例</span>
+                    <div className="sticker-preset-name">{TEXT_STICKER_PRESET_LABELS[p]}</div>
+                  </div>
+                ))}
+              </div>
+            </div>
+          </div>
+        )}
+      </div>
+    </>
+  )
+}
+
+export default StickerLibrary

apps/web/src/pages/editing-planner/components/sticker/StickerList.tsx

@@ -0,0 +1,54 @@
+/**
+ * 已添加贴纸列表
+ */
+import React from "react"
+import type { StickerItem } from "@/pages/editing-planner/types"
+
+interface StickerListProps {
+  items: StickerItem[]
+  selectedId: string | null
+  onSelect: (id: string) => void
+  onDelete: (id: string) => void
+}
+
+const StickerList: React.FC<StickerListProps> = ({ items, selectedId, onSelect, onDelete }) => {
+  if (items.length === 0) return null
+
+  const getDisplayContent = (item: StickerItem) => {
+    if (item.type === "emoji") return { icon: item.content, name: "表情贴纸" }
+    if (item.type === "text") return { icon: "T", name: item.content.slice(0, 10) }
+    return { icon: "🖼", name: "图片贴纸" }
+  }
+
+  return (
+    <div className="sticker-list-section">
+      <div className="sticker-section-title">已添加贴纸 ({items.length})</div>
+      <div className="sticker-list">
+        {items.map((item) => {
+          const { icon, name } = getDisplayContent(item)
+          return (
+            <div
+              key={item.id}
+              className={`sticker-list-item${selectedId === item.id ? " active" : ""}`}
+              onClick={() => onSelect(item.id)}
+            >
+              <span className="sticker-list-icon">{icon}</span>
+              <span className="sticker-list-name">{name}</span>
+              <button
+                className="sticker-list-delete"
+                onClick={(e) => {
+                  e.stopPropagation()
+                  onDelete(item.id)
+                }}
+              >
+                ✕
+              </button>
+            </div>
+          )
+        })}
+      </div>
+    </div>
+  )
+}
+
+export default StickerList

apps/web/src/pages/editing-planner/components/sticker/StickerPreview.tsx

@@ -0,0 +1,39 @@
+import React from "react"
+import type { StickerItem } from "@/pages/editing-planner/types"
+import { TEXT_PRESET_STYLES } from "@/pages/editing-planner/constants/sticker"
+
+interface StickerPreviewProps {
+  sticker: StickerItem
+}
+
+export const StickerPreview: React.FC<StickerPreviewProps> = ({ sticker }) => (
+  <div className="sticker-preview-box">
+    <div
+      className="sticker-preview-item"
+      style={{
+        left: `${sticker.x}%`,
+        top: `${sticker.y}%`,
+        width: `${sticker.width}%`,
+        height: `${sticker.height}%`,
+        transform: `translate(-50%, -50%) rotate(${sticker.rotation}deg)`,
+        opacity: sticker.opacity / 100,
+        fontSize: sticker.type === "text" ? `${sticker.font_size}px` : undefined,
+        ...TEXT_PRESET_STYLES[sticker.text_preset],
+      }}
+    >
+      {sticker.type === "emoji" && sticker.content}
+      {sticker.type === "text" && sticker.content}
+      {sticker.type === "image" && (
+        <img
+          src={sticker.content}
+          alt="sticker"
+          style={{
+            width: "100%",
+            height: "100%",
+            objectFit: "contain",
+          }}
+        />
+      )}
+    </div>
+  </div>
+)

apps/web/src/pages/editing-planner/components/sticker/StickerPropsEditor.tsx

@@ -0,0 +1,130 @@
+/**
+ * 选中贴纸的属性编辑器
+ */
+import React from "react"
+import type { StickerItem } from "@/pages/editing-planner/types"
+import { StickerPreview } from "./StickerPreview"
+import { TextStickerPropsEditor } from "./TextStickerPropsEditor"
+
+interface StickerPropsEditorProps {
+  sticker: StickerItem
+  totalDuration: number
+  onUpdate: (id: string, partial: Partial<StickerItem>) => void
+}
+
+const StickerPropsEditor: React.FC<StickerPropsEditorProps> = ({
+  sticker,
+  totalDuration,
+  onUpdate,
+}) => {
+  return (
+    <div className="sticker-props-section">
+      <div className="sticker-section-title">属性调整</div>
+
+      {/* 位置 */}
+      <div className="sticker-prop-row">
+        <span className="sticker-prop-label">位置 X</span>
+        <input
+          type="range"
+          className="sticker-prop-slider"
+          min={0}
+          max={100}
+          value={sticker.x}
+          onChange={(e) => onUpdate(sticker.id, { x: Number(e.target.value) })}
+        />
+        <span className="sticker-prop-value">{sticker.x}%</span>
+      </div>
+      <div className="sticker-prop-row">
+        <span className="sticker-prop-label">位置 Y</span>
+        <input
+          type="range"
+          className="sticker-prop-slider"
+          min={0}
+          max={100}
+          value={sticker.y}
+          onChange={(e) => onUpdate(sticker.id, { y: Number(e.target.value) })}
+        />
+        <span className="sticker-prop-value">{sticker.y}%</span>
+      </div>
+
+      {/* 尺寸 */}
+      <div className="sticker-prop-row">
+        <span className="sticker-prop-label">大小</span>
+        <input
+          type="range"
+          className="sticker-prop-slider"
+          min={5}
+          max={50}
+          value={sticker.width}
+          onChange={(e) =>
+            onUpdate(sticker.id, {
+              width: Number(e.target.value),
+              height: Number(e.target.value),
+            })
+          }
+        />
+        <span className="sticker-prop-value">{sticker.width}%</span>
+      </div>
+
+      {/* 旋转 */}
+      <div className="sticker-prop-row">
+        <span className="sticker-prop-label">旋转</span>
+        <input
+          type="range"
+          className="sticker-prop-slider"
+          min={-180}
+          max={180}
+          value={sticker.rotation}
+          onChange={(e) => onUpdate(sticker.id, { rotation: Number(e.target.value) })}
+        />
+        <span className="sticker-prop-value">{sticker.rotation}°</span>
+      </div>
+
+      {/* 透明度 */}
+      <div className="sticker-prop-row">
+        <span className="sticker-prop-label">透明度</span>
+        <input
+          type="range"
+          className="sticker-prop-slider"
+          min={0}
+          max={100}
+          value={sticker.opacity}
+          onChange={(e) => onUpdate(sticker.id, { opacity: Number(e.target.value) })}
+        />
+        <span className="sticker-prop-value">{sticker.opacity}%</span>
+      </div>
+
+      {/* 时间 */}
+      <div className="sticker-prop-row">
+        <span className="sticker-prop-label">开始</span>
+        <input
+          type="number"
+          className="sticker-prop-number"
+          min={0}
+          max={totalDuration}
+          step={0.1}
+          value={sticker.start_time}
+          onChange={(e) => onUpdate(sticker.id, { start_time: Number(e.target.value) })}
+        />
+        <span className="sticker-prop-label">时长</span>
+        <input
+          type="number"
+          className="sticker-prop-number"
+          min={0}
+          max={totalDuration}
+          step={0.1}
+          value={sticker.duration}
+          onChange={(e) => onUpdate(sticker.id, { duration: Number(e.target.value) })}
+        />
+      </div>
+
+      {/* 文字贴纸特有属性 */}
+      <TextStickerPropsEditor sticker={sticker} onUpdate={onUpdate} />
+
+      {/* 预览 */}
+      <StickerPreview sticker={sticker} />
+    </div>
+  )
+}
+
+export default StickerPropsEditor

apps/web/src/pages/editing-planner/components/sticker/TextStickerPropsEditor.tsx

@@ -0,0 +1,57 @@
+import React from "react"
+import type { StickerItem, TextStickerPreset } from "@/pages/editing-planner/types"
+import { TEXT_STICKER_PRESET_LABELS } from "@/pages/editing-planner/constants/sticker"
+
+interface TextStickerPropsEditorProps {
+  sticker: StickerItem
+  onUpdate: (id: string, partial: Partial<StickerItem>) => void
+}
+
+export const TextStickerPropsEditor: React.FC<TextStickerPropsEditorProps> = ({
+  sticker,
+  onUpdate,
+}) => {
+  if (sticker.type !== "text") return null
+
+  return (
+    <>
+      <div className="sticker-prop-row">
+        <span className="sticker-prop-label">花字</span>
+        <select
+          className="sticker-prop-select"
+          value={sticker.text_preset}
+          onChange={(e) =>
+            onUpdate(sticker.id, { text_preset: e.target.value as TextStickerPreset })
+          }
+        >
+          {(Object.keys(TEXT_STICKER_PRESET_LABELS) as TextStickerPreset[]).map((p) => (
+            <option key={p} value={p}>
+              {TEXT_STICKER_PRESET_LABELS[p]}
+            </option>
+          ))}
+        </select>
+      </div>
+      <div className="sticker-prop-row">
+        <span className="sticker-prop-label">字号</span>
+        <input
+          type="range"
+          className="sticker-prop-slider"
+          min={12}
+          max={72}
+          value={sticker.font_size}
+          onChange={(e) => onUpdate(sticker.id, { font_size: Number(e.target.value) })}
+        />
+        <span className="sticker-prop-value">{sticker.font_size}px</span>
+      </div>
+      <div className="sticker-prop-row">
+        <span className="sticker-prop-label">颜色</span>
+        <input
+          type="color"
+          className="sticker-prop-color"
+          value={sticker.text_color}
+          onChange={(e) => onUpdate(sticker.id, { text_color: e.target.value })}
+        />
+      </div>
+    </>
+  )
+}

apps/web/src/pages/editing-planner/components/tts/TtsSlider.tsx

@@ -0,0 +1,62 @@
+/**
+ * TTS 滑块组件（语速/语调/音量）
+ */
+import React from "react"
+import { Slider } from "antd"
+
+interface TtsSliderProps {
+  label: string
+  value: number
+  min: number
+  max: number
+  step: number
+  unit?: string
+  onChange: (val: number) => void
+  marks?: string[]
+  tooltipFormatter?: (v: number) => string
+}
+
+const TtsSlider: React.FC<TtsSliderProps> = ({
+  label,
+  value,
+  min,
+  max,
+  step,
+  unit = "",
+  onChange,
+  marks,
+  tooltipFormatter,
+}) => {
+  const displayValue =
+    unit === "x"
+      ? `${value.toFixed(2)}x`
+      : label === "语调"
+        ? `${value > 0 ? "+" : ""}${value} 半音`
+        : `${value}${unit}`
+
+  return (
+    <div className="tts-slider-section">
+      <div className="tts-slider-header">
+        <span className="tts-slider-label">{label}</span>
+        <span className="tts-slider-value">{displayValue}</span>
+      </div>
+      <Slider
+        min={min}
+        max={max}
+        step={step}
+        value={value}
+        onChange={(v) => onChange(v as number)}
+        tooltip={tooltipFormatter ? { formatter: (v) => tooltipFormatter(v as number) } : undefined}
+      />
+      {marks && (
+        <div className="tts-slider-marks">
+          {marks.map((m, i) => (
+            <span key={i}>{m}</span>
+          ))}
+        </div>
+      )}
+    </div>
+  )
+}
+
+export default TtsSlider

apps/web/src/pages/editing-planner/components/tts/VoiceSelector.tsx

@@ -0,0 +1,50 @@
+/**
+ * TTS 音色选择组件
+ */
+import React from "react"
+import type { TTSVoice } from "@/api/tts"
+import { VOICE_CATEGORY_MAP } from "../../constants/tts"
+
+interface VoiceSelectorProps {
+  voices: TTSVoice[]
+  voicesLoading: boolean
+  selectedVoiceId: string
+  onVoiceSelect: (voiceId: string) => void
+}
+
+const VoiceSelector: React.FC<VoiceSelectorProps> = ({
+  voices,
+  voicesLoading,
+  selectedVoiceId,
+  onVoiceSelect,
+}) => {
+  const voiceCategories = Object.entries(VOICE_CATEGORY_MAP)
+
+  return (
+    <div className="tts-voice-section">
+      <div className="tts-voice-label">
+        选择音色
+        {voicesLoading && <span className="tts-voice-loading">加载中...</span>}
+      </div>
+      <div className="tts-voice-grid">
+        {voiceCategories.map(([cat, info]) => {
+          const voice = voices.find((v) => v.category === cat)
+          const isSelected = voice && selectedVoiceId === voice.id
+          return (
+            <button
+              key={cat}
+              className={`tts-voice-card${isSelected ? " active" : ""}`}
+              onClick={() => voice && onVoiceSelect(voice.id)}
+              disabled={!voice || voicesLoading}
+            >
+              <span className="tts-voice-card-icon">{info.icon}</span>
+              <span className="tts-voice-card-name">{voice?.name || info.label}</span>
+            </button>
+          )
+        })}
+      </div>
+    </div>
+  )
+}
+
+export default VoiceSelector

apps/web/src/pages/generate/GeneratePage.tsx

@@ -231,13 +231,9 @@ const GeneratePage: React.FC = () => {
   /* ── 批量变体真实片段（#1744）：后端独立选片，预览即成片；失败静默降级本地模拟 ──
      仅批量（N>1）且在第 4 步预览时申请，避免选素材阶段频繁请求；
      变体 0 沿用草稿 plan（与单视频一致），变体 1..N-1 后端 reselect 独立选片 */
-  // P0 fix：批量变体计划请求需携带配音参数，避免后端按"无配音"选片导致 clips 时长与配音错位
-  const batchVoiceLibraryId =
-    voiceMode === "clone" ? selectedClonedVoice || selectedVoice || "" : selectedVoice || ""
   const {
     clipsByVariant: variantClips,
     planIdsByVariant: variantPlanIds,
-    voiceDurationsByVariant: variantVoiceDurations,
     loading: variantClipsLoading,
     error: variantClipsError,
     retry: retryVariantClips,
@@ -247,9 +243,6 @@ const GeneratePage: React.FC = () => {
     templateId: selectedTemplate || "",
     assetIds: previewAssetIds,
     sourcePlanId: storedSourceEditPlanId || sourceEditPlanId || "",
-    voiceLibraryId: batchVoiceLibraryId,
-    voiceLibraryIds: voiceLibraryIds || [],
-    voiceModePerVideo,
   })
 
   /* ── 批量变体配音预览 URL（#1750）：独立模式每变体挂各自配音，共用模式全挂同一条；
@@ -483,7 +476,6 @@ const GeneratePage: React.FC = () => {
                   titles={previewTitles}
                   titleSettings={titleSettings}
                   voiceAudioUrls={variantVoiceAudioUrls}
-                  voiceDurations={variantVoiceDurations}
                   variantClips={variantClips}
                   clipsLoading={variantClipsLoading}
                   clipsError={variantClipsError}

apps/web/src/pages/generate/components/CanvasPreviewGrid.tsx

@@ -31,12 +31,6 @@ interface CanvasPreviewGridProps {
    * 元素为 null 表示该变体暂无音频（AI 音色 TTS 合成中））
    */
   voiceAudioUrls?: (string | null)[]
-  /**
-   * 各变体配音时长（秒）：后端返回 voice_duration 优先；未返回则为 undefined，
-   * 由 FrontendPreviewPlayer 在 audio loadedmetadata 时自测兜底。
-   * 长度=count，undefined 项表示该变体未提供后端时长。
-   */
-  voiceDurations?: (number | undefined)[]
   /**
    * 各变体的后端真实片段（#1744/#1750）：长度=count。
    * 仅 clipsLoading=false 且 clipsError=false 时才会传给播放器。
@@ -62,7 +56,6 @@ const CanvasPreviewGrid: React.FC<CanvasPreviewGridProps> = ({
   titles,
   titleSettings,
   voiceAudioUrls,
-  voiceDurations,
   variantClips,
   clipsLoading = false,
   clipsError = false,
@@ -127,7 +120,6 @@ const CanvasPreviewGrid: React.FC<CanvasPreviewGridProps> = ({
                 serverClips={variantClips[i]}
                 variantTitle={titles[i] || ""}
                 voiceAudioUrl={voiceAudioUrls?.[i] || undefined}
-                voiceDurationHint={voiceDurations?.[i]}
                 activePlayToken={activePlayToken}
                 onPlayTokenChange={setActivePlayToken}
                 compact

apps/web/src/pages/generate/components/FrontendPreviewPlayer.tsx

@@ -1,22 +1,26 @@
 /**
- * 前端预览播放器 — 原生 Video 元素方案（浏览器硬件解码，独立线程，不阻塞 UI）
+ * 前端预览播放器 — Canvas + WebCodecs 方案
  *
  * 架构：
- * - 默认走原生 video 元素多片段切换播放（useSegmentScheduler 调度），
- *   叠加标题 CSS 浮层、配音音轨（usePreviewAudio）、尾段冻结看门狗、批量播放互斥 token。
- *   UI 拆分为 PreviewControls（控制条/按钮） + PreviewProgressBar（进度条）两个子组件。
- * - WebCodecs 路径已废弃（原 useWebCodecs 常量恒为 false，相关死代码已移除），
- *   保留 useCanvasPlayer hook 文件供未来兜底（不影响当前打包体积）。
+ * - 浏览器支持 WebCodecs → Canvas 渲染（帧级精确控制 + 标题合成）
+ * - 浏览器不支持 → fallback 到多 video 元素方案
  *
- * 对外 API 完全不变：assets / videoRatio / ready / voiceAudioUrl / serverClips 等。
+ * 对外 API 不变：assets, template, videoRatio, ready, voiceAudioUrl
  */
 import React, { useMemo, useCallback, useState, useRef, useEffect } from "react"
-import { PlayCircleOutlined, SoundOutlined } from "@ant-design/icons"
+import {
+  PlayCircleOutlined,
+  PauseCircleOutlined,
+  SoundOutlined,
+  LoadingOutlined,
+  AudioOutlined,
+  AudioMutedOutlined,
+} from "@ant-design/icons"
 import type { AssetItem } from "@/api/assets"
 import type { EditPlanClip } from "@/api/template-editor"
 import { useSegmentScheduler, type PlaybackSegment } from "../hooks/useSegmentScheduler"
-import { usePreviewAudio } from "../hooks/usePreviewAudio"
-import { PreviewControls } from "./PreviewControls"
+import { useCanvasPlayer } from "../hooks/useCanvasPlayer"
+
 interface FrontendPreviewPlayerProps {
   assets: AssetItem[]
   videoRatio: string
@@ -54,11 +58,12 @@ interface FrontendPreviewPlayerProps {
   activePlayToken?: number | null
   /** 播放权变化回调：本实例请求播放时传自身 playToken，暂停时传 null */
   onPlayTokenChange?: (token: number | null) => void
-  /**
-   * 后端返回的配音时长（秒）P0 对齐：优先以该值作为音画时长锚点；
-   * 未提供则在 audio loadedmetadata 后自测兜底。
-   */
-  voiceDurationHint?: number
+}
+
+function formatTime(seconds: number): string {
+  const m = Math.floor(seconds / 60)
+  const s = Math.floor(seconds % 60)
+  return `${m}:${s.toString().padStart(2, "0")}`
 }
 
 /**
@@ -111,7 +116,6 @@ const FrontendPreviewPlayer: React.FC<FrontendPreviewPlayerProps> = ({
   ready,
   serverClips,
   voiceAudioUrl,
-  voiceDurationHint,
   titleSettings,
   onTitlePositionChange,
   playToken,
@@ -120,11 +124,26 @@ const FrontendPreviewPlayer: React.FC<FrontendPreviewPlayerProps> = ({
   activePlayToken = null,
   onPlayTokenChange,
 }) => {
-  // #1754→P0：配音时长作为音画时长锚点。
-  // 优先使用后端返回的 voiceDurationHint；音频 loadedmetadata 后再以自测值覆盖（更精确）。
-  const [voiceDuration, setVoiceDuration] = useState<number>(() =>
-    voiceDurationHint && voiceDurationHint > 0 ? voiceDurationHint : 0,
-  )
+  // #1754：测量配音时长，计算缩放因子
+  const [voiceDuration, setVoiceDuration] = useState(0)
+  useEffect(() => {
+    if (!voiceAudioUrl) {
+      setVoiceDuration(0)
+      return
+    }
+    const audio = new Audio()
+    audio.preload = "metadata"
+    const onLoaded = () => {
+      if (audio.duration && isFinite(audio.duration)) {
+        setVoiceDuration(audio.duration)
+      }
+    }
+    audio.addEventListener("loadedmetadata", onLoaded)
+    audio.src = voiceAudioUrl
+    return () => {
+      audio.removeEventListener("loadedmetadata", onLoaded)
+    }
+  }, [voiceAudioUrl])
 
   // #1756：clips 原始总时长 + 转场时长（后端等比分配配音时包含转场占位）
   const rawClipsDuration = useMemo(() => {
@@ -170,10 +189,9 @@ const FrontendPreviewPlayer: React.FC<FrontendPreviewPlayerProps> = ({
       ? (titleSettings.posY / playRes.height) * 100
       : null
 
-  // ── 标题拖拽（用 ref 避免每帧触发 React 重渲染）──
+  // ── 拖拽状态（用 ref 避免在每帧渲染中触发重渲染）──
   const draggingTitleRef = useRef(false)
   const titleDragRef = useRef<HTMLDivElement>(null)
-  const playerContainerRef = useRef<HTMLDivElement>(null)
   const handleTitlePointerDown = useCallback(
     (e: React.PointerEvent<HTMLDivElement>) => {
       if (!onTitlePositionChange || !playerContainerRef.current) return
@@ -189,6 +207,7 @@ const FrontendPreviewPlayer: React.FC<FrontendPreviewPlayerProps> = ({
     if (!draggingTitleRef.current || !playerContainerRef.current) return
     e.preventDefault()
     e.stopPropagation()
+    // 拖拽过程中直接修改 DOM，不触发 React 渲染（避免频繁重渲染导致换行）
     if (titleDragRef.current) {
       const rect = playerContainerRef.current.getBoundingClientRect()
       const relX = Math.max(0, Math.min(rect.width, e.clientX - rect.left))
@@ -203,6 +222,7 @@ const FrontendPreviewPlayer: React.FC<FrontendPreviewPlayerProps> = ({
     (e: React.PointerEvent<HTMLDivElement>) => {
       if (!draggingTitleRef.current) return
       draggingTitleRef.current = false
+      // 拖拽结束时才调用 onTitlePositionChange 保存最终位置
       if (onTitlePositionChange && playerContainerRef.current) {
         const rect = playerContainerRef.current.getBoundingClientRect()
         const relX = Math.max(0, Math.min(rect.width, e.clientX - rect.left))
@@ -223,6 +243,7 @@ const FrontendPreviewPlayer: React.FC<FrontendPreviewPlayerProps> = ({
     [onTitlePositionChange, playRes.width, playRes.height],
   )
 
+  const playerContainerRef = useRef<HTMLDivElement>(null)
   const [containerHeight, setContainerHeight] = useState(0)
   useEffect(() => {
     const el = playerContainerRef.current
@@ -247,157 +268,234 @@ const FrontendPreviewPlayer: React.FC<FrontendPreviewPlayerProps> = ({
   const titleSidePct = (TITLE_MARGIN_SIDE / playRes.width) * 100
   const titleTopPct = (TITLE_MARGIN_TOP / playRes.height) * 100
   const titleBottomPct = (TITLE_MARGIN_BOTTOM / playRes.height) * 100
+  // 描边/阴影也要按缩放比例放大
   const titleScale = containerHeight > 0 ? containerHeight / playRes.height : 1
   const titleStrokeWidth = Math.max(1, 2 * titleScale)
   const titleShadowBlur = 4 * titleScale
   const titleShadowOffset = 2 * titleScale
 
-  // ── Video 播放器（默认路径，浏览器原生硬件解码） ──
+  // 默认走原生 video 播放（浏览器硬件解码，独立线程，不阻塞 UI）
+  // WebCodecs 仅在明确需要时启用（保留代码作为兜底）
+  const useWebCodecs = false
+
+  // ── 两条路径共用同一个 canvas ref（fallback 路径不使用） ──
+  const canvasRef = useRef<HTMLCanvasElement>(null)
+
+  // ── Canvas 播放器（WebCodecs 路径） ──
+  const canvasTitle = titleSettings
+    ? {
+        text: effectiveTitle || "标题预览",
+        fontSize: titleSettings.size,
+        fontFamily: titleSettings.font || "思源黑体",
+        color: titleSettings.color || "#ffffff",
+        position: titleSettings.position || "top",
+        bold: titleSettings.bold,
+        stroke: titleSettings.stroke,
+        shadow: titleSettings.shadow,
+      }
+    : undefined
+
+  const canvasSegments = useMemo(
+    () =>
+      segments.map((s) => ({
+        assetId: s.assetId,
+        videoUrl: s.videoUrl,
+        startTime: s.startTime,
+        endTime: s.endTime,
+      })),
+    [segments],
+  )
+
+  // WebCodecs 解码失败后强制走 video fallback
+  const [forceVideoFallback, setForceVideoFallback] = useState(false)
+
+  const handleCanvasError = useCallback((err: Error) => {
+    console.error("[FrontendPreviewPlayer] Canvas decode Error, switching to video fallback:", err)
+    setForceVideoFallback(true)
+  }, [])
+
+  const { state: canvasState, controls: canvasControls } = useCanvasPlayer(
+    canvasRef,
+    useWebCodecs && !forceVideoFallback ? canvasSegments : [],
+    useWebCodecs && !forceVideoFallback ? canvasTitle : undefined,
+    handleCanvasError,
+    useWebCodecs && !forceVideoFallback,
+  )
+
+  // WebCodecs 报告解码失败时自动切换到 video fallback
+  useEffect(() => {
+    if (canvasState.hasDecodeError && !forceVideoFallback) {
+      console.warn("[FrontendPreviewPlayer] hasDecodeError detected, forcing video fallback")
+      setForceVideoFallback(true)
+    }
+  }, [canvasState.hasDecodeError, forceVideoFallback])
+
+  // ── Video 播放器（fallback 路径） ──
   const {
-    isPlaying,
-    currentTime,
-    totalDuration,
-    currentSegmentIndex,
-    canPlay,
-    togglePlayPause,
-    seekTo,
-    pause,
+    isPlaying: videoIsPlaying,
+    currentTime: videoCurrentTime,
+    totalDuration: videoTotalDuration,
+    currentSegmentIndex: videoCurrentSegIdx,
+    canPlay: videoCanPlay,
+    togglePlayPause: videoTogglePlayPause,
+    seekTo: videoSeekTo,
+    pause: videoPause,
     videoRefs,
   } = useSegmentScheduler(segments)
 
-  // P0 fix：以配音时长为音画同步锚点。
-  // 有配音时总时长 = 配音时长（短则末帧冻结，长则硬停）；无配音时沿用视频总时长（素材原声兜底）。
-  const effectiveTotalDuration =
-    !!voiceAudioUrl && voiceDuration > 0 ? voiceDuration : totalDuration
+  // 选择哪条路径的状态（WebCodecs 解码失败时强制走 video fallback）
+  const effectiveUseWebCodecs = useWebCodecs && !forceVideoFallback
+  const isPlaying = effectiveUseWebCodecs ? canvasState.isPlaying : videoIsPlaying
+  const currentTime = effectiveUseWebCodecs ? canvasState.currentTime : videoCurrentTime
+  const totalDuration = effectiveUseWebCodecs ? canvasState.duration : videoTotalDuration
+  const canPlay = effectiveUseWebCodecs ? canvasState.isReady : videoCanPlay
+  const isBuffering = effectiveUseWebCodecs ? canvasState.isBuffering : false
 
+  // ── 配音音频同步 ──
+  const audioRef = useRef<HTMLAudioElement | null>(null)
+  const prevIsPlayingRef = useRef(false)
   // 本卡片静音开关（#1741）：默认有声，用户可点喇叭单独静音某张卡片
   const [muted, setMuted] = useState(false)
   // 有配音时 video 素材保持静音（避免原声与配音混音）；无配音时取消静音，素材原声兜底
   const hasVoice = !!voiceAudioUrl
 
-  // 音频 ended：兜底触发暂停与释放播放权
-  const handleAudioEnded = useCallback(() => {
-    if (!isPlaying) return
-    pause()
-    if (playToken != null) onPlayTokenChange?.(null)
-  }, [isPlaying, pause, playToken, onPlayTokenChange])
-
-  const {
-    seekTo: audioSeekTo,
-    ensurePlayingAt: audioEnsurePlayingAt,
-    pause: audioPause,
-  } = usePreviewAudio({
-    voiceAudioUrl,
-    voiceDurationHint,
-    muted,
-    isPlaying,
-    currentTime,
-    onVoiceDurationChange: setVoiceDuration,
-    onEnded: handleAudioEnded,
-  })
-
-  // 片段切换时同步音频时间（video fallback）
   useEffect(() => {
-    if (!isPlaying) return
-    audioSeekTo(currentTime)
-    // 注意：不要把 currentTime 放进依赖数组，否则每200ms会重置音频位置导致卡顿
-    // eslint-disable-next-line react-hooks/exhaustive-deps
-  }, [currentSegmentIndex, isPlaying])
-
-  // P0 fix：视频比配音短时的「末帧冻结+音频续播」模式。
-  // 视频调度器播完最后一段自动 pause，此时若配音仍在播，用 rAF 虚拟时钟推进 currentTime 直到配音结束。
-  const [tailCurrentTime, setTailCurrentTime] = useState<number | null>(null)
-  const tailStartRef = useRef<number>(0)
-  const tailBaseRef = useRef<number>(0)
-  const tailAudioRef = useRef({ ensurePlayingAt: audioEnsurePlayingAt, pause: audioPause })
-  tailAudioRef.current = { ensurePlayingAt: audioEnsurePlayingAt, pause: audioPause }
-
-  useEffect(() => {
-    const needTail =
-      !!voiceAudioUrl &&
-      voiceDuration > 0 &&
-      !isPlaying &&
-      typeof currentTime === "number" &&
-      currentTime >= totalDuration - 0.1 &&
-      currentTime < voiceDuration - 0.1
-    if (needTail && tailCurrentTime === null) {
-      tailBaseRef.current = currentTime
-      tailStartRef.current = performance.now()
-      setTailCurrentTime(currentTime)
-      tailAudioRef.current.ensurePlayingAt(currentTime)
+    if (!voiceAudioUrl) {
+      if (audioRef.current) {
+        audioRef.current.pause()
+        audioRef.current.src = ""
+        audioRef.current = null
+      }
       return
     }
-    if (!needTail && tailCurrentTime !== null) {
-      setTailCurrentTime(null)
+    if (!audioRef.current) {
+      audioRef.current = new Audio()
+      audioRef.current.preload = "auto"
     }
-  }, [isPlaying, currentTime, totalDuration, voiceDuration, voiceAudioUrl, tailCurrentTime])
+    if (audioRef.current.src !== voiceAudioUrl) {
+      audioRef.current.src = voiceAudioUrl
+    }
+    audioRef.current.muted = muted
+  }, [voiceAudioUrl, muted])
 
   useEffect(() => {
-    if (tailCurrentTime === null) return
-    let raf = 0
-    const tick = () => {
-      const elapsed = (performance.now() - tailStartRef.current) / 1000
-      const t = Math.min(tailBaseRef.current + elapsed, voiceDuration || tailBaseRef.current)
-      setTailCurrentTime(t)
-      tailAudioRef.current.ensurePlayingAt(t)
-      if (t >= (voiceDuration || 0) - 0.05) {
-        tailAudioRef.current.pause()
-        if (playToken != null) onPlayTokenChange?.(null)
-        setTailCurrentTime(null)
-        return
-      }
-      raf = requestAnimationFrame(tick)
+    const audio = audioRef.current
+    if (!audio || !audio.src) return
+    if (isPlaying && !prevIsPlayingRef.current) {
+      audio.currentTime = currentTime
+      audio.play().catch(() => {})
+    } else if (!isPlaying && prevIsPlayingRef.current) {
+      audio.pause()
     }
-    raf = requestAnimationFrame(tick)
-    return () => cancelAnimationFrame(raf)
-  }, [tailCurrentTime, voiceDuration, playToken, onPlayTokenChange])
+    prevIsPlayingRef.current = isPlaying
+  }, [isPlaying, currentTime])
 
-  // 呈现给 UI/进度条的「当前时间」：尾段用虚拟时间，否则用视频时间
-  const displayCurrentTime = tailCurrentTime !== null ? tailCurrentTime : currentTime
+  // 片段切换时同步音频（仅 fallback 路径需要）
+  const segmentSyncKey = effectiveUseWebCodecs ? -1 : videoCurrentSegIdx
+  useEffect(() => {
+    const audio = audioRef.current
+    if (!audio || !audio.src || !isPlaying) return
+    audio.currentTime = currentTime
+    // 注意：不要把 currentTime 放进依赖数组，否则每200ms会重置音频位置导致卡顿
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [segmentSyncKey, isPlaying])
 
   const handleSeekTo = useCallback(
     (time: number) => {
-      setTailCurrentTime(null)
-      seekTo(time)
-      audioSeekTo(time)
+      if (effectiveUseWebCodecs) {
+        canvasControls.seek(time)
+      } else {
+        videoSeekTo(time)
+      }
+      const audio = audioRef.current
+      if (audio && audio.src) {
+        audio.currentTime = time
+      }
     },
-    [seekTo, audioSeekTo],
+    [effectiveUseWebCodecs, canvasControls, videoSeekTo],
   )
 
-  // ── 批量网格播放互斥（#1741）：播放权属于其他实例时，本实例自动暂停 ──
+  // ── 批量网格播放互斥（#1741）：播放权属于其他实例时，本实例自动暂停（视频+配音） ──
   useEffect(() => {
     if (activePlayToken == null || playToken == null || activePlayToken === playToken) return
-    if (isPlaying) {
-      pause()
+    if (effectiveUseWebCodecs) {
+      if (canvasState.isPlaying) canvasControls.pause()
+    } else if (isPlaying) {
+      videoPause()
     }
-    // isPlaying 不放依赖：只在 token 变化时执行一次暂停
+    // isPlaying/canvasState.isPlaying 不放依赖：只在 token 变化时执行一次暂停，
+    // token 等于自身时本实例的播放在 handleTogglePlay 里处理
     // eslint-disable-next-line react-hooks/exhaustive-deps
-  }, [activePlayToken, playToken])
+  }, [activePlayToken, playToken, effectiveUseWebCodecs])
 
   const handleTogglePlay = useCallback(() => {
-    if (playToken != null) onPlayTokenChange?.(isPlaying ? null : playToken)
-    togglePlayPause()
-  }, [togglePlayPause, isPlaying, playToken, onPlayTokenChange])
-
-  // P0 fix：音画同步看门狗——有配音时播放时间达到配音时长立即暂停视频+音频（末帧冻结）
-  useEffect(() => {
-    if (!isPlaying) return
-    if (!voiceAudioUrl || voiceDuration <= 0) return
-    if (displayCurrentTime < voiceDuration - 0.08) return
-    pause()
-    audioPause()
-    if (playToken != null) onPlayTokenChange?.(null)
+    if (effectiveUseWebCodecs) {
+      if (canvasState.isPlaying) {
+        canvasControls.pause()
+        onPlayTokenChange?.(null)
+      } else {
+        if (playToken != null) onPlayTokenChange?.(playToken)
+        canvasControls.play()
+      }
+    } else {
+      // video fallback：先上报播放权（暂停其他卡片），再切换本卡片播放/暂停
+      if (playToken != null) onPlayTokenChange?.(isPlaying ? null : playToken)
+      videoTogglePlayPause()
+    }
   }, [
+    effectiveUseWebCodecs,
+    canvasState.isPlaying,
+    canvasControls,
+    videoTogglePlayPause,
     isPlaying,
-    displayCurrentTime,
-    voiceAudioUrl,
-    voiceDuration,
-    pause,
-    audioPause,
     playToken,
     onPlayTokenChange,
   ])
 
+  // ── 进度条拖拽 ──
+  const [isDragging, setIsDragging] = useState(false)
+  const progressRef = useRef<HTMLDivElement>(null)
+
+  const handleProgressClick = useCallback(
+    (e: React.MouseEvent<HTMLDivElement>) => {
+      if (!progressRef.current || totalDuration <= 0) return
+      const rect = progressRef.current.getBoundingClientRect()
+      const ratio = Math.max(0, Math.min(1, (e.clientX - rect.left) / rect.width))
+      handleSeekTo(ratio * totalDuration)
+    },
+    [totalDuration, handleSeekTo],
+  )
+
+  const handleMouseDown = useCallback(
+    (e: React.MouseEvent<HTMLDivElement>) => {
+      setIsDragging(true)
+      handleProgressClick(e)
+    },
+    [handleProgressClick],
+  )
+
+  useEffect(() => {
+    if (!isDragging) return
+    const handleMouseMove = (e: MouseEvent) => {
+      if (!progressRef.current || totalDuration <= 0) return
+      const rect = progressRef.current.getBoundingClientRect()
+      const ratio = Math.max(0, Math.min(1, (e.clientX - rect.left) / rect.width))
+      handleSeekTo(ratio * totalDuration)
+    }
+    const handleMouseUp = () => setIsDragging(false)
+    window.addEventListener("mousemove", handleMouseMove)
+    window.addEventListener("mouseup", handleMouseUp)
+    return () => {
+      window.removeEventListener("mousemove", handleMouseMove)
+      window.removeEventListener("mouseup", handleMouseUp)
+    }
+  }, [isDragging, totalDuration, handleSeekTo])
+
+  const progressPercent = totalDuration > 0 ? (currentTime / totalDuration) * 100 : 0
+
+  // ── Canvas 容器 ref（保留声明，WebCodecs 兜底路径仍引用） ──
+  const canvasContainerRef = useRef<HTMLDivElement>(null)
+
   // ── 未就绪 ──
   if (!ready || !assets.length) {
     return (
@@ -431,6 +529,7 @@ const FrontendPreviewPlayer: React.FC<FrontendPreviewPlayerProps> = ({
 
   // ── 无播放片段 ──
   if (!canPlay) {
+    const showDecodeError = forceVideoFallback && canvasState.hasDecodeError
     return (
       <div
         style={{
@@ -450,15 +549,48 @@ const FrontendPreviewPlayer: React.FC<FrontendPreviewPlayerProps> = ({
           padding: 24,
         }}
       >
-        <PlayCircleOutlined
-          style={{ fontSize: 40, color: "rgba(255,255,255,0.3)", marginBottom: 12 }}
-        />
-        <p style={{ color: "rgba(255,255,255,0.6)", fontSize: 14, margin: "0 0 4px" }}>
-          暂无可播放素材
-        </p>
-        <p style={{ color: "rgba(255,255,255,0.35)", fontSize: 12, margin: 0 }}>
-          请先在左侧选择素材
-        </p>
+        {isBuffering ? (
+          <>
+            <LoadingOutlined style={{ fontSize: 40, color: "#fff", marginBottom: 12 }} spin />
+            <p style={{ color: "rgba(255,255,255,0.8)", fontSize: 14, margin: 0 }}>加载中...</p>
+          </>
+        ) : showDecodeError ? (
+          <>
+            <PlayCircleOutlined style={{ fontSize: 40, color: "#ef4444", marginBottom: 12 }} />
+            <p
+              style={{
+                color: "rgba(255,255,255,0.9)",
+                fontSize: 14,
+                margin: "0 0 4px",
+                fontWeight: 500,
+              }}
+            >
+              视频解码失败
+            </p>
+            <p
+              style={{
+                color: "rgba(255,255,255,0.5)",
+                fontSize: 12,
+                margin: 0,
+                textAlign: "center",
+              }}
+            >
+              {canvasState.errorMessage || "当前浏览器不支持该视频编码格式，请刷新重试"}
+            </p>
+          </>
+        ) : (
+          <>
+            <PlayCircleOutlined
+              style={{ fontSize: 40, color: "rgba(255,255,255,0.3)", marginBottom: 12 }}
+            />
+            <p style={{ color: "rgba(255,255,255,0.6)", fontSize: 14, margin: "0 0 4px" }}>
+              暂无可播放素材
+            </p>
+            <p style={{ color: "rgba(255,255,255,0.35)", fontSize: 12, margin: 0 }}>
+              请先在左侧选择素材
+            </p>
+          </>
+        )}
       </div>
     )
   }
@@ -480,30 +612,53 @@ const FrontendPreviewPlayer: React.FC<FrontendPreviewPlayerProps> = ({
           : "0 4px 6px -1px rgba(0,0,0,0.3), 0 20px 50px -12px rgba(0,0,0,0.5), inset 0 0 0 1px rgba(255,255,255,0.06)",
       }}
     >
-      {/* ── Video 渲染层（默认路径，浏览器原生硬件解码） ── */}
-      {segments.map((seg, i) => (
-        <video
-          key={seg.assetId}
-          ref={(el) => {
-            videoRefs.current[i] = el
-          }}
-          preload="auto"
-          src={seg.videoUrl}
+      {/* ── Canvas 渲染层（WebCodecs 路径） ── */}
+      {effectiveUseWebCodecs && (
+        <div
+          ref={canvasContainerRef}
           style={{
             position: "absolute",
             inset: 0,
-            width: "100%",
-            height: "100%",
-            objectFit: "cover",
-            background: "#000",
             zIndex: 1,
-            opacity: i === currentSegmentIndex ? 1 : 0,
-            pointerEvents: i === currentSegmentIndex ? "auto" : "none",
+            background: "#000",
           }}
-          muted={hasVoice || muted}
-          playsInline
-        />
-      ))}
+        >
+          <canvas
+            ref={canvasRef}
+            style={{
+              width: "100%",
+              height: "100%",
+              objectFit: "cover",
+            }}
+          />
+        </div>
+      )}
+
+      {/* ── Video 渲染层（默认路径，浏览器原生硬件解码） ── */}
+      {!effectiveUseWebCodecs &&
+        segments.map((seg, i) => (
+          <video
+            key={seg.assetId}
+            muted={hasVoice || muted}
+            ref={(el) => {
+              videoRefs.current[i] = el
+            }}
+            preload="auto"
+            src={seg.videoUrl}
+            style={{
+              position: "absolute",
+              inset: 0,
+              width: "100%",
+              height: "100%",
+              objectFit: "cover",
+              background: "#000",
+              zIndex: 1,
+              opacity: i === videoCurrentSegIdx ? 1 : 0,
+              pointerEvents: i === videoCurrentSegIdx ? "auto" : "none",
+            }}
+            playsInline
+          />
+        ))}
 
       {/* 标题CSS叠加层 — 与后端 ASS 烧录坐标系 1:1 对齐 */}
       {titleSettings?.title && (
@@ -580,19 +735,200 @@ const FrontendPreviewPlayer: React.FC<FrontendPreviewPlayerProps> = ({
         </div>
       )}
 
-      <PreviewControls
-        isPlaying={isPlaying}
-        onTogglePlay={handleTogglePlay}
-        muted={muted}
-        onToggleMute={() => setMuted((m) => !m)}
-        hasSegments={segments.length > 0}
-        segmentIndex={currentSegmentIndex}
-        segmentCount={segments.length}
-        currentTime={displayCurrentTime}
-        totalDuration={effectiveTotalDuration}
-        onSeek={handleSeekTo}
-        compact={compact}
-      />
+      {/* 中央播放按钮 */}
+      {!isPlaying && (
+        <button
+          onClick={handleTogglePlay}
+          style={{
+            position: "absolute",
+            top: "50%",
+            left: "50%",
+            transform: "translate(-50%, -50%)",
+            background: "rgba(0,0,0,0.45)",
+            backdropFilter: "blur(12px)",
+            WebkitBackdropFilter: "blur(12px)",
+            border: "1px solid rgba(255,255,255,0.15)",
+            borderRadius: "50%",
+            width: 52,
+            height: 52,
+            cursor: "pointer",
+            display: "flex",
+            alignItems: "center",
+            justifyContent: "center",
+            color: "#fff",
+            fontSize: 26,
+            zIndex: 10,
+            transition: "transform 0.2s ease, background 0.2s ease",
+            boxShadow: "0 4px 20px rgba(0,0,0,0.4)",
+          }}
+          onMouseEnter={(e) => {
+            e.currentTarget.style.transform = "translate(-50%, -50%) scale(1.08)"
+            e.currentTarget.style.background = "rgba(0,0,0,0.6)"
+          }}
+          onMouseLeave={(e) => {
+            e.currentTarget.style.transform = "translate(-50%, -50%) scale(1)"
+            e.currentTarget.style.background = "rgba(0,0,0,0.45)"
+          }}
+        >
+          <PlayCircleOutlined />
+        </button>
+      )}
+
+      {/* 静音/有声切换（#1741）：左上角，默认有声；批量与单视频均可单独静音 */}
+      {segments.length > 0 && (
+        <button
+          type="button"
+          aria-label={muted ? "取消静音" : "静音"}
+          title={muted ? "取消静音" : "静音"}
+          onClick={() => setMuted((m) => !m)}
+          style={{
+            position: "absolute",
+            top: 8,
+            left: 8,
+            width: compact ? 26 : 30,
+            height: compact ? 26 : 30,
+            display: "flex",
+            alignItems: "center",
+            justifyContent: "center",
+            background: "rgba(0,0,0,0.45)",
+            backdropFilter: "blur(8px)",
+            WebkitBackdropFilter: "blur(8px)",
+            border: "1px solid rgba(255,255,255,0.1)",
+            borderRadius: "50%",
+            color: muted ? "rgba(255,255,255,0.45)" : "rgba(255,255,255,0.92)",
+            fontSize: compact ? 13 : 15,
+            cursor: "pointer",
+            zIndex: 10,
+            padding: 0,
+            transition: "background 0.15s, color 0.15s",
+          }}
+          onMouseEnter={(e) => {
+            e.currentTarget.style.background = "rgba(0,0,0,0.65)"
+          }}
+          onMouseLeave={(e) => {
+            e.currentTarget.style.background = "rgba(0,0,0,0.45)"
+          }}
+        >
+          {muted ? <AudioMutedOutlined /> : <AudioOutlined />}
+        </button>
+      )}
+
+      {/* 片段指示器 — 右上角胶囊 */}
+      <div
+        style={{
+          position: "absolute",
+          top: 8,
+          right: 8,
+          background: "rgba(0,0,0,0.45)",
+          backdropFilter: "blur(8px)",
+          WebkitBackdropFilter: "blur(8px)",
+          color: "rgba(255,255,255,0.9)",
+          fontSize: compact ? 9 : 10,
+          fontWeight: 500,
+          padding: compact ? "1px 6px" : "2px 8px",
+          borderRadius: 999,
+          zIndex: 10,
+          border: "1px solid rgba(255,255,255,0.1)",
+          letterSpacing: 0.3,
+        }}
+      >
+        {`${videoCurrentSegIdx + 1} / ${segments.length}`}
+      </div>
+
+      {/* 控制条 — 手机风格毛玻璃 */}
+      <div
+        style={{
+          position: "absolute",
+          bottom: 0,
+          left: 0,
+          right: 0,
+          display: "flex",
+          alignItems: "center",
+          gap: compact ? 6 : 10,
+          padding: compact ? "8px 10px 10px" : "12px 16px 16px",
+          background: "linear-gradient(transparent, rgba(0,0,0,0.7))",
+          backdropFilter: "blur(4px)",
+          WebkitBackdropFilter: "blur(4px)",
+          zIndex: 10,
+        }}
+      >
+        <button
+          onClick={handleTogglePlay}
+          style={{
+            background: "rgba(255,255,255,0.15)",
+            border: "none",
+            color: "#fff",
+            fontSize: compact ? 14 : 16,
+            cursor: "pointer",
+            width: compact ? 26 : 32,
+            height: compact ? 26 : 32,
+            borderRadius: "50%",
+            display: "flex",
+            alignItems: "center",
+            justifyContent: "center",
+            flexShrink: 0,
+            transition: "background 0.15s",
+          }}
+          onMouseEnter={(e) => {
+            e.currentTarget.style.background = "rgba(255,255,255,0.25)"
+          }}
+          onMouseLeave={(e) => {
+            e.currentTarget.style.background = "rgba(255,255,255,0.15)"
+          }}
+        >
+          {isPlaying ? <PauseCircleOutlined /> : <PlayCircleOutlined />}
+        </button>
+
+        <span
+          style={{
+            fontSize: compact ? 10 : 11,
+            color: "rgba(255,255,255,0.85)",
+            minWidth: compact ? 58 : 72,
+            fontVariantNumeric: "tabular-nums",
+            letterSpacing: 0.2,
+          }}
+        >
+          {formatTime(currentTime)} / {formatTime(totalDuration)}
+        </span>
+
+        <div
+          ref={progressRef}
+          onMouseDown={handleMouseDown}
+          style={{
+            flex: 1,
+            height: 3,
+            background: "rgba(255,255,255,0.2)",
+            borderRadius: 2,
+            cursor: "pointer",
+            position: "relative",
+          }}
+        >
+          <div
+            style={{
+              height: "100%",
+              width: `${progressPercent}%`,
+              background: "#fff",
+              borderRadius: 2,
+              transition: isDragging ? "none" : "width 0.1s linear",
+            }}
+          />
+          <div
+            style={{
+              position: "absolute",
+              top: "50%",
+              left: `${progressPercent}%`,
+              transform: "translate(-50%, -50%)",
+              width: 10,
+              height: 10,
+              borderRadius: "50%",
+              background: "#fff",
+              boxShadow: "0 0 6px rgba(255,255,255,0.5)",
+              opacity: isDragging ? 1 : 0,
+              transition: "opacity 0.15s",
+            }}
+          />
+        </div>
+      </div>
     </div>
   )
 }

apps/web/src/pages/generate/components/PreviewControls.tsx

@@ -1,195 +0,0 @@
-import React from "react"
-import {
-  PlayCircleOutlined,
-  PauseCircleOutlined,
-  AudioOutlined,
-  AudioMutedOutlined,
-} from "@ant-design/icons"
-import { PreviewProgressBar } from "./PreviewProgressBar"
-
-interface PreviewControlsProps {
-  isPlaying: boolean
-  onTogglePlay: () => void
-  muted: boolean
-  onToggleMute: () => void
-  hasSegments: boolean
-  segmentIndex: number
-  segmentCount: number
-  currentTime: number
-  totalDuration: number
-  onSeek: (time: number) => void
-  compact?: boolean
-}
-
-/**
- * 播放控制 UI 组件（静音按钮 / 片段指示器 / 中央播放按钮 / 底部毛玻璃控制条）
- */
-export const PreviewControls: React.FC<PreviewControlsProps> = ({
-  isPlaying,
-  onTogglePlay,
-  muted,
-  onToggleMute,
-  hasSegments,
-  segmentIndex,
-  segmentCount,
-  currentTime,
-  totalDuration,
-  onSeek,
-  compact = false,
-}) => {
-  return (
-    <>
-      {/* 静音/有声切换（#1741）：左上角 */}
-      {hasSegments && (
-        <button
-          type="button"
-          aria-label={muted ? "取消静音" : "静音"}
-          title={muted ? "取消静音" : "静音"}
-          onClick={onToggleMute}
-          style={{
-            position: "absolute",
-            top: 8,
-            left: 8,
-            width: compact ? 26 : 30,
-            height: compact ? 26 : 30,
-            display: "flex",
-            alignItems: "center",
-            justifyContent: "center",
-            background: "rgba(0,0,0,0.45)",
-            backdropFilter: "blur(8px)",
-            WebkitBackdropFilter: "blur(8px)",
-            border: "1px solid rgba(255,255,255,0.1)",
-            borderRadius: "50%",
-            color: muted ? "rgba(255,255,255,0.45)" : "rgba(255,255,255,0.92)",
-            fontSize: compact ? 13 : 15,
-            cursor: "pointer",
-            zIndex: 10,
-            padding: 0,
-            transition: "background 0.15s, color 0.15s",
-          }}
-          onMouseEnter={(e) => {
-            e.currentTarget.style.background = "rgba(0,0,0,0.65)"
-          }}
-          onMouseLeave={(e) => {
-            e.currentTarget.style.background = "rgba(0,0,0,0.45)"
-          }}
-        >
-          {muted ? <AudioMutedOutlined /> : <AudioOutlined />}
-        </button>
-      )}
-
-      {/* 片段指示器 — 右上角胶囊 */}
-      <div
-        style={{
-          position: "absolute",
-          top: 8,
-          right: 8,
-          background: "rgba(0,0,0,0.45)",
-          backdropFilter: "blur(8px)",
-          WebkitBackdropFilter: "blur(8px)",
-          color: "rgba(255,255,255,0.9)",
-          fontSize: compact ? 9 : 10,
-          fontWeight: 500,
-          padding: compact ? "1px 6px" : "2px 8px",
-          borderRadius: 999,
-          zIndex: 10,
-          border: "1px solid rgba(255,255,255,0.1)",
-          letterSpacing: 0.3,
-        }}
-      >
-        {`${segmentIndex + 1} / ${segmentCount}`}
-      </div>
-
-      {/* 中央播放按钮 */}
-      {!isPlaying && (
-        <button
-          onClick={onTogglePlay}
-          style={{
-            position: "absolute",
-            top: "50%",
-            left: "50%",
-            transform: "translate(-50%, -50%)",
-            background: "rgba(0,0,0,0.45)",
-            backdropFilter: "blur(12px)",
-            WebkitBackdropFilter: "blur(12px)",
-            border: "1px solid rgba(255,255,255,0.15)",
-            borderRadius: "50%",
-            width: 52,
-            height: 52,
-            cursor: "pointer",
-            display: "flex",
-            alignItems: "center",
-            justifyContent: "center",
-            color: "#fff",
-            fontSize: 26,
-            zIndex: 10,
-            transition: "transform 0.2s ease, background 0.2s ease",
-            boxShadow: "0 4px 20px rgba(0,0,0,0.4)",
-          }}
-          onMouseEnter={(e) => {
-            e.currentTarget.style.transform = "translate(-50%, -50%) scale(1.08)"
-            e.currentTarget.style.background = "rgba(0,0,0,0.6)"
-          }}
-          onMouseLeave={(e) => {
-            e.currentTarget.style.transform = "translate(-50%, -50%) scale(1)"
-            e.currentTarget.style.background = "rgba(0,0,0,0.45)"
-          }}
-        >
-          <PlayCircleOutlined />
-        </button>
-      )}
-
-      {/* 控制条 — 手机风格毛玻璃 */}
-      <div
-        style={{
-          position: "absolute",
-          bottom: 0,
-          left: 0,
-          right: 0,
-          display: "flex",
-          alignItems: "center",
-          gap: compact ? 6 : 10,
-          padding: compact ? "8px 10px 10px" : "12px 16px 16px",
-          background: "linear-gradient(transparent, rgba(0,0,0,0.7))",
-          backdropFilter: "blur(4px)",
-          WebkitBackdropFilter: "blur(4px)",
-          zIndex: 10,
-        }}
-      >
-        <button
-          onClick={onTogglePlay}
-          style={{
-            background: "rgba(255,255,255,0.15)",
-            border: "none",
-            color: "#fff",
-            fontSize: compact ? 14 : 16,
-            cursor: "pointer",
-            width: compact ? 26 : 32,
-            height: compact ? 26 : 32,
-            borderRadius: "50%",
-            display: "flex",
-            alignItems: "center",
-            justifyContent: "center",
-            flexShrink: 0,
-            transition: "background 0.15s",
-          }}
-          onMouseEnter={(e) => {
-            e.currentTarget.style.background = "rgba(255,255,255,0.25)"
-          }}
-          onMouseLeave={(e) => {
-            e.currentTarget.style.background = "rgba(255,255,255,0.15)"
-          }}
-        >
-          {isPlaying ? <PauseCircleOutlined /> : <PlayCircleOutlined />}
-        </button>
-
-        <PreviewProgressBar
-          currentTime={currentTime}
-          totalDuration={totalDuration}
-          onSeek={onSeek}
-          compact={compact}
-        />
-      </div>
-    </>
-  )
-}

apps/web/src/pages/generate/components/PreviewProgressBar.tsx

@@ -1,108 +0,0 @@
-import React, { useCallback, useEffect, useRef, useState } from "react"
-import { formatDuration } from "../utils/formatDuration"
-
-interface PreviewProgressBarProps {
-  currentTime: number
-  totalDuration: number
-  onSeek: (time: number) => void
-  compact?: boolean
-}
-
-/**
- * 进度条组件：点击/拖拽 seek
- */
-export const PreviewProgressBar: React.FC<PreviewProgressBarProps> = ({
-  currentTime,
-  totalDuration,
-  onSeek,
-  compact = false,
-}) => {
-  const progressRef = useRef<HTMLDivElement>(null)
-  const [isDragging, setIsDragging] = useState(false)
-
-  const seekByClientX = useCallback(
-    (clientX: number) => {
-      if (!progressRef.current || totalDuration <= 0) return
-      const rect = progressRef.current.getBoundingClientRect()
-      const ratio = Math.max(0, Math.min(1, (clientX - rect.left) / rect.width))
-      onSeek(ratio * totalDuration)
-    },
-    [totalDuration, onSeek],
-  )
-
-  const handleMouseDown = useCallback(
-    (e: React.MouseEvent<HTMLDivElement>) => {
-      setIsDragging(true)
-      seekByClientX(e.clientX)
-    },
-    [seekByClientX],
-  )
-
-  useEffect(() => {
-    if (!isDragging) return
-    const handleMouseMove = (e: MouseEvent) => seekByClientX(e.clientX)
-    const handleMouseUp = () => setIsDragging(false)
-    window.addEventListener("mousemove", handleMouseMove)
-    window.addEventListener("mouseup", handleMouseUp)
-    return () => {
-      window.removeEventListener("mousemove", handleMouseMove)
-      window.removeEventListener("mouseup", handleMouseUp)
-    }
-  }, [isDragging, seekByClientX])
-
-  const progressPercent = totalDuration > 0 ? (currentTime / totalDuration) * 100 : 0
-
-  return (
-    <>
-      <span
-        style={{
-          fontSize: compact ? 10 : 11,
-          color: "rgba(255,255,255,0.85)",
-          minWidth: compact ? 58 : 72,
-          fontVariantNumeric: "tabular-nums",
-          letterSpacing: 0.2,
-        }}
-      >
-        {formatDuration(currentTime)} / {formatDuration(totalDuration)}
-      </span>
-
-      <div
-        ref={progressRef}
-        onMouseDown={handleMouseDown}
-        style={{
-          flex: 1,
-          height: 3,
-          background: "rgba(255,255,255,0.2)",
-          borderRadius: 2,
-          cursor: "pointer",
-          position: "relative",
-        }}
-      >
-        <div
-          style={{
-            height: "100%",
-            width: `${progressPercent}%`,
-            background: "#fff",
-            borderRadius: 2,
-            transition: isDragging ? "none" : "width 0.1s linear",
-          }}
-        />
-        <div
-          style={{
-            position: "absolute",
-            top: "50%",
-            left: `${progressPercent}%`,
-            transform: "translate(-50%, -50%)",
-            width: 10,
-            height: 10,
-            borderRadius: "50%",
-            background: "#fff",
-            boxShadow: "0 0 6px rgba(255,255,255,0.5)",
-            opacity: isDragging ? 1 : 0,
-            transition: "opacity 0.15s",
-          }}
-        />
-      </div>
-    </>
-  )
-}

apps/web/src/pages/generate/hooks/useBatchCovers.ts

@@ -171,6 +171,7 @@ export function useBatchCovers({
     let okCount = 0
     let failCount = 0
     for (const i of pending) {
+      // eslint-disable-next-line no-await-in-loop
       const ok = await generateOne(i)
       if (ok) okCount += 1
       else failCount += 1

apps/web/src/pages/generate/hooks/useBatchVariantPlans.ts

@@ -26,8 +26,6 @@ export interface BatchVariantClipsState {
   clipsByVariant: EditPlanClip[][]
   /** 各变体的 plan_id（正式生成回传，保证预览即成片）；未就绪为空串 */
   planIdsByVariant: string[]
-  /** 各变体的后端返回配音时长（秒）；未就绪/未返回为 undefined */
-  voiceDurationsByVariant: (number | undefined)[]
   /** 是否正在向后端申请变体计划 */
   loading: boolean
   /** 后端真实片段是否全部可用（每个变体都有 ≥1 条片段） */
@@ -46,12 +44,6 @@ interface UseBatchVariantPlansOptions {
   assetIds: string[]
   /** 源剪辑计划 ID（草稿/预览关联），无则空串由后端兜底最新 plan */
   sourcePlanId?: string
-  /** 统一配音 ID（共用配音模式），参考 useGenerateVideo voiceLibraryId 计算 */
-  voiceLibraryId?: string
-  /** 独立配音 ID 列表（每变体一条），voiceModePerVideo=true 时使用 */
-  voiceLibraryIds?: string[]
-  /** 是否启用独立配音模式（每变体各自一条配音） */
-  voiceModePerVideo?: boolean
 }
 
 export function useBatchVariantPlans({
@@ -60,13 +52,9 @@ export function useBatchVariantPlans({
   templateId,
   assetIds,
   sourcePlanId = "",
-  voiceLibraryId = "",
-  voiceLibraryIds = [],
-  voiceModePerVideo = false,
 }: UseBatchVariantPlansOptions): BatchVariantClipsState {
   const [clipsByVariant, setClipsByVariant] = useState<EditPlanClip[][]>([])
   const [planIdsByVariant, setPlanIdsByVariant] = useState<string[]>([])
-  const [voiceDurationsByVariant, setVoiceDurationsByVariant] = useState<(number | undefined)[]>([])
   const [loading, setLoading] = useState(false)
   const [error, setError] = useState(false)
 
@@ -82,30 +70,17 @@ export function useBatchVariantPlans({
     setLoading(true)
     setError(false)
     try {
-      // 配音参数：与 useGenerateVideo 保持一致的传参逻辑
-      // - 独立配音模式 + voiceLibraryIds 非空：传 voice_library_ids
-      // - 统一配音：传 voice_library_id
-      // - 都没选：不传
-      const voiceParam: { voice_library_id?: string; voice_library_ids?: string[] } = {}
-      if (voiceModePerVideo && voiceLibraryIds.length > 0) {
-        voiceParam.voice_library_ids = voiceLibraryIds
-      } else if (voiceLibraryId) {
-        voiceParam.voice_library_id = voiceLibraryId
-      }
-
       const resp = await createBatchVariantPlans({
         template_id: templateId,
         asset_ids: assetIds,
         count,
         ...(sourcePlanId ? { source_edit_plan_id: sourcePlanId } : {}),
-        ...voiceParam,
       })
       if (seq !== requestSeqRef.current) return
 
       const items: VariantPlan[] = Array.isArray(resp.items) ? resp.items : []
       const clips: EditPlanClip[][] = Array.from({ length: count }, () => [])
       const planIds: string[] = Array.from({ length: count }, () => "")
-      const voiceDurs: (number | undefined)[] = Array.from({ length: count }, () => undefined)
       for (const item of items) {
         const idx = item.variant_index
         if (idx < 0 || idx >= count) continue
@@ -113,9 +88,6 @@ export function useBatchVariantPlans({
         clips[idx] = (item.clips || [])
           .filter((c) => c && c.asset_id && c.status === "ready")
           .sort((a, b) => a.order - b.order)
-        if (typeof item.voice_duration === "number" && item.voice_duration > 0) {
-          voiceDurs[idx] = item.voice_duration
-        }
       }
       // 数据完整性校验：每个变体都必须有真实片段，否则视为失败（不允许假数据冒充）
       const incomplete = clips.some((list) => list.length === 0)
@@ -123,12 +95,10 @@ export function useBatchVariantPlans({
         console.warn("[useBatchVariantPlans] 变体计划数据不完整（存在空片段变体），标记加载失败")
         setClipsByVariant([])
         setPlanIdsByVariant([])
-        setVoiceDurationsByVariant([])
         setError(true)
       } else {
         setClipsByVariant(clips)
         setPlanIdsByVariant(planIds)
-        setVoiceDurationsByVariant(voiceDurs)
         setError(false)
       }
     } catch (err) {
@@ -137,20 +107,11 @@ export function useBatchVariantPlans({
       console.warn("[useBatchVariantPlans] 申请变体计划失败，预览加载失败:", err)
       setClipsByVariant([])
       setPlanIdsByVariant([])
-      setVoiceDurationsByVariant([])
       setError(true)
     } finally {
       if (seq === requestSeqRef.current) setLoading(false)
     }
-  }, [
-    templateId,
-    count,
-    sourcePlanId,
-    assetIds,
-    voiceLibraryId,
-    voiceLibraryIds,
-    voiceModePerVideo,
-  ])
+  }, [templateId, count, sourcePlanId, assetIds])
 
   /** 用户点击「重试」：nonce +1 驱动 effect 重新发起请求（effect 内 lastKey 校验保证只发一次） */
   const retry = useCallback(() => {
@@ -164,40 +125,24 @@ export function useBatchVariantPlans({
       // 避免父组件传入内联字面量数组导致 effect 每次 render 触发 → 无限 setState 循环
       setClipsByVariant((prev) => (prev.length === 0 ? prev : []))
       setPlanIdsByVariant((prev) => (prev.length === 0 ? prev : []))
-      setVoiceDurationsByVariant((prev) => (prev.length === 0 ? prev : []))
       setLoading((prev) => (prev === false ? prev : false))
       setError((prev) => (prev === false ? prev : false))
       lastKeyRef.current = ""
       return
     }
-    const voiceKey = voiceModePerVideo
-      ? `per:${[...voiceLibraryIds].sort().join(",")}`
-      : `one:${voiceLibraryId}`
     const key = `${retryNonce}|${templateId}|${count}|${sourcePlanId}|${[...assetIds]
       .sort()
-      .join(",")}|${voiceKey}`
+      .join(",")}`
     if (key === lastKeyRef.current) return
     lastKeyRef.current = key
     load()
-  }, [
-    enabled,
-    templateId,
-    count,
-    sourcePlanId,
-    assetIds,
-    load,
-    retryNonce,
-    voiceLibraryId,
-    voiceLibraryIds,
-    voiceModePerVideo,
-  ])
+  }, [enabled, templateId, count, sourcePlanId, assetIds, load, retryNonce])
 
   const ready = !error && !loading && clipsByVariant.every((list) => list.length > 0)
 
   return {
     clipsByVariant,
     planIdsByVariant,
-    voiceDurationsByVariant,
     loading,
     ready,
     error,

apps/web/src/pages/generate/hooks/useGenerateFormState/useTitleCoverSync.ts

@@ -51,6 +51,7 @@ export function useTitleCoverSync({
         thumbnail_url: tpl.cover_config!.thumbnail_url || prev.thumbnail_url,
       }))
     }
+    // eslint-disable-next-line react-hooks/exhaustive-deps
   }, [selectedTemplate, setTitleSettings, setCoverSettings])
   // ↑ 移除 userTemplates，只在 selectedTemplate 真正变化时触发
 }

apps/web/src/pages/generate/hooks/usePreviewAudio.ts

@@ -1,131 +0,0 @@
-import { useCallback, useEffect, useRef } from "react"
-
-interface UsePreviewAudioOptions {
-  voiceAudioUrl: string | undefined
-  voiceDurationHint: number | undefined
-  muted: boolean
-  isPlaying: boolean
-  currentTime: number
-  onVoiceDurationChange: (d: number) => void
-  onEnded: () => void
-}
-
-interface UsePreviewAudioReturn {
-  seekTo: (time: number) => void
-  ensurePlayingAt: (time: number) => void
-  pause: () => void
-}
-
-/**
- * 配音音频管理 hook：加载配音、loadedmetadata 自测时长、play/pause 同步、
- * ended 事件回调、seek 同步、末帧冻结期间续播。
- */
-export function usePreviewAudio({
-  voiceAudioUrl,
-  voiceDurationHint,
-  muted,
-  isPlaying,
-  currentTime,
-  onVoiceDurationChange,
-  onEnded,
-}: UsePreviewAudioOptions): UsePreviewAudioReturn {
-  const audioRef = useRef<HTMLAudioElement | null>(null)
-  const prevIsPlayingRef = useRef(false)
-
-  // 外部 hint 初始化（自测值前的兜底）
-  useEffect(() => {
-    if (voiceDurationHint && voiceDurationHint > 0) {
-      onVoiceDurationChange(voiceDurationHint)
-    }
-  }, [voiceDurationHint, onVoiceDurationChange])
-
-  // 创建/替换 audio 元素，加载 metadata 时自测时长并监听 ended
-  useEffect(() => {
-    if (!voiceAudioUrl) {
-      if (audioRef.current) {
-        audioRef.current.pause()
-        audioRef.current.src = ""
-        audioRef.current = null
-      }
-      return
-    }
-    if (!audioRef.current) {
-      audioRef.current = new Audio()
-      audioRef.current.preload = "auto"
-    }
-    if (audioRef.current.src !== voiceAudioUrl) {
-      audioRef.current.src = voiceAudioUrl
-    }
-    audioRef.current.muted = muted
-
-    const audio = audioRef.current
-    const onLoaded = () => {
-      if (audio.duration && isFinite(audio.duration) && audio.duration > 0) {
-        onVoiceDurationChange(audio.duration)
-      }
-    }
-    const onEndedHandler = () => onEnded()
-    audio.addEventListener("loadedmetadata", onLoaded)
-    audio.addEventListener("ended", onEndedHandler)
-    return () => {
-      audio.removeEventListener("loadedmetadata", onLoaded)
-      audio.removeEventListener("ended", onEndedHandler)
-    }
-  }, [voiceAudioUrl, muted, onVoiceDurationChange, onEnded])
-
-  // mute 变化即时同步
-  useEffect(() => {
-    if (audioRef.current) audioRef.current.muted = muted
-  }, [muted])
-
-  // 播放/暂停同步（跟随视频 isPlaying）
-  useEffect(() => {
-    const audio = audioRef.current
-    if (!audio || !audio.src) return
-    if (isPlaying && !prevIsPlayingRef.current) {
-      if (Math.abs(audio.currentTime - currentTime) > 0.3) {
-        try {
-          audio.currentTime = currentTime
-        } catch {
-          /* ignore */
-        }
-      }
-      audio.play().catch(() => {})
-    } else if (!isPlaying && prevIsPlayingRef.current) {
-      audio.pause()
-    }
-    prevIsPlayingRef.current = isPlaying
-  }, [isPlaying, currentTime])
-
-  const seekTo = useCallback((time: number) => {
-    const audio = audioRef.current
-    if (audio && audio.src) {
-      try {
-        audio.currentTime = time
-      } catch {
-        /* ignore */
-      }
-    }
-  }, [])
-
-  const ensurePlayingAt = useCallback((time: number) => {
-    const audio = audioRef.current
-    if (!audio || !audio.src) return
-    try {
-      if (Math.abs(audio.currentTime - time) > 0.5) audio.currentTime = time
-      if (audio.paused) audio.play().catch(() => {})
-    } catch {
-      /* ignore */
-    }
-  }, [])
-
-  const pause = useCallback(() => {
-    try {
-      audioRef.current?.pause()
-    } catch {
-      /* ignore */
-    }
-  }, [])
-
-  return { seekTo, ensurePlayingAt, pause }
-}

apps/web/src/pages/generate/hooks/useVariantVoicePreview.ts

@@ -125,6 +125,7 @@ export function useVariantVoicePreview({
           continue
         }
         try {
+          // eslint-disable-next-line no-await-in-loop
           const res = await previewTts({ text: job.title, voice_id: job.voiceId })
           if (cancelled || controller.signal.aborted || seq !== seqRef.current) return
           const audioUrl = res.audio_url || ""

apps/web/src/pages/products/ProductLibrary.tsx

@@ -1,22 +1,17 @@
 /**
  * 成片库页面 — V21 设计系统
- * 卡片网格布局，支持视频内联播放/下载/分享、批量操作、筛选、无限滚动分页
+ * 卡片网格布局，支持视频内联播放/下载/分享、批量操作、筛选
  *
  * 主组件仅保留 Hook 组装与整体布局
- * 列表查询 → hooks/useProductList（useInfiniteQuery 分页）
+ * 列表查询 → hooks/useProductList
  * 操作逻辑 → hooks/useProductActions
  * 筛选栏 → components/ProductFilterBar
  * 批量操作栏 → components/ProductBatchBar
  * 空状态 → components/ProductEmptyState
  * 产品卡片 → components/ProductCard（内联视频播放）
  */
-import React, { useEffect, useRef } from "react"
-import {
-  VideoCameraOutlined,
-  DownloadOutlined,
-  ReloadOutlined,
-  LoadingOutlined,
-} from "@ant-design/icons"
+import React from "react"
+import { VideoCameraOutlined, DownloadOutlined, ReloadOutlined } from "@ant-design/icons"
 import { Button } from "@/components/ui"
 import { ProductCard } from "./components/ProductCard"
 import { ProductFilterBar } from "./components/ProductFilterBar"
@@ -29,13 +24,11 @@ import "./products.css"
 
 const ProductLibrary: React.FC = () => {
   const {
+    products,
     filteredProducts,
     isLoading,
-    isFetchingNextPage,
     isError,
     error,
-    hasNextPage,
-    fetchNextPage,
     refetch,
     searchText,
     setSearchText,
@@ -71,40 +64,19 @@ const ProductLibrary: React.FC = () => {
   } = useProductActions({
     selectedIds,
     clearSelection,
-    products: filteredProducts,
+    products,
     setPlayingProduct: () => {}, // 不再使用弹窗播放
   })
 
   const { recomputeDedup, isRecomputing } = useRecomputeDedup()
 
-  /* ── 无限滚动：IntersectionObserver 监听底部哨兵元素 ── */
-  const sentinelRef = useRef<HTMLDivElement>(null)
-
-  useEffect(() => {
-    const el = sentinelRef.current
-    if (!el) return
-    // 已有数据但正在加载中/没有更多页时不触发
-    if (isFetchingNextPage || !hasNextPage) return
-
-    const observer = new IntersectionObserver(
-      (entries) => {
-        if (entries[0]?.isIntersecting) {
-          void fetchNextPage()
-        }
-      },
-      { rootMargin: "200px" },
-    )
-    observer.observe(el)
-    return () => observer.disconnect()
-  }, [fetchNextPage, hasNextPage, isFetchingNextPage])
-
-  // ── Loading 状态（仅首次加载）──
-  if (isLoading && filteredProducts.length === 0) {
+  // ── Loading 状态 ──
+  if (isLoading) {
     return <ProductEmptyState type="loading" />
   }
 
   // ── Error 状态 ──
-  if (isError && filteredProducts.length === 0) {
+  if (isError) {
     console.error("[ProductLibrary] 加载失败:", error)
     const errorMsg = error?.message || "加载失败"
     const is404 = errorMsg.includes("404") || errorMsg.includes("Not Found")
@@ -171,46 +143,22 @@ const ProductLibrary: React.FC = () => {
 
       {/* 卡片网格 */}
       {filteredProducts.length > 0 ? (
-        <>
-          <div className="xx-products-grid">
-            {filteredProducts.map((product) => (
-              <ProductCard
-                key={product.id}
-                product={product}
-                isSelected={selectedIds.has(product.id)}
-                batchMode={batchMode}
-                onToggleSelect={handleToggleSelect}
-                onDownload={handleDownload}
-                onShare={handleShare}
-                onDelete={handleDelete}
-                onPublish={handlePublish}
-                onReviewStatusChange={handleReviewStatusChange}
-              />
-            ))}
-          </div>
-
-          {/* 底部哨兵 + 状态提示 */}
-          <div
-            ref={sentinelRef}
-            style={{
-              gridColumn: "1 / -1",
-              textAlign: "center",
-              padding: "24px 0",
-              fontSize: 13,
-              color: "#8c8ca1",
-            }}
-          >
-            {isFetchingNextPage ? (
-              <>
-                <LoadingOutlined /> 加载中…
-              </>
-            ) : hasNextPage ? (
-              <span style={{ opacity: 0 }}>加载更多</span>
-            ) : (
-              <span>—— 已加载全部 ——</span>
-            )}
-          </div>
-        </>
+        <div className="xx-products-grid">
+          {filteredProducts.map((product) => (
+            <ProductCard
+              key={product.id}
+              product={product}
+              isSelected={selectedIds.has(product.id)}
+              batchMode={batchMode}
+              onToggleSelect={handleToggleSelect}
+              onDownload={handleDownload}
+              onShare={handleShare}
+              onDelete={handleDelete}
+              onPublish={handlePublish}
+              onReviewStatusChange={handleReviewStatusChange}
+            />
+          ))}
+        </div>
       ) : (
         <ProductEmptyState type="empty" />
       )}

apps/web/src/pages/products/hooks/useProductList/index.ts

@@ -1,53 +1,28 @@
 import { useMemo } from "react"
-import { useInfiniteQuery } from "@tanstack/react-query"
+import { useQuery } from "@tanstack/react-query"
 import { getProducts, type ProductItem as ApiProductItem } from "@/api/products"
 import { mapApiProduct } from "../../utils"
-import type { ProductItem } from "../../types"
 import { useProductFiltering } from "./useProductFiltering"
 import { useBatchSelection } from "./useBatchSelection"
 
 export type { Filters } from "./useProductFiltering"
 
-const PAGE_SIZE = 20
-
 export const useProductList = () => {
-  /* ── 无限滚动获取成品列表（每页 20 条） ── */
+  /* ── 获取成品列表 ── */
   const {
-    data,
+    data: apiProducts = [],
     isLoading,
-    isFetchingNextPage,
     isError,
     error,
-    hasNextPage,
-    fetchNextPage,
     refetch,
-  } = useInfiniteQuery<
-    {
-      items: ApiProductItem[]
-      total: number
-      page: number
-      page_size: number
-    },
-    Error
-  >({
+  } = useQuery<ApiProductItem[], Error>({
     queryKey: ["products"],
-    queryFn: async ({ pageParam = 1 }) =>
-      getProducts({ page: pageParam as number, page_size: PAGE_SIZE }),
-    initialPageParam: 1,
-    getNextPageParam: (lastPage) => {
-      const loadedCount = lastPage.page * lastPage.page_size
-      return loadedCount < lastPage.total ? lastPage.page + 1 : undefined
-    },
+    queryFn: () => getProducts(),
     staleTime: 30_000,
   })
 
-  // 将所有页拼接为一维数组，再做前端映射+排序
-  const apiProducts = useMemo<ApiProductItem[]>(() => {
-    if (!data?.pages) return []
-    return data.pages.flatMap((p) => p.items)
-  }, [data])
-
-  const products = useMemo<ProductItem[]>(
+  // 映射为前端类型，按创建时间倒序排列，防御非数组返回
+  const products = useMemo(
     () =>
       (Array.isArray(apiProducts) ? apiProducts : []).map(mapApiProduct).sort((a, b) => {
         if (!a.date || a.date === "—") return 1
@@ -90,11 +65,8 @@ export const useProductList = () => {
     products,
     filteredProducts,
     isLoading,
-    isFetchingNextPage,
     isError,
     error,
-    hasNextPage,
-    fetchNextPage,
     refetch,
     // 筛选
     searchText,

apps/web/src/test/pages/assets/smoke.test.tsx

@@ -36,10 +36,10 @@ import "@/pages/assets/hooks/useLibraryManagement"
 import "@/pages/assets/hooks/useAssetUpload"
 import "@/pages/assets/hooks/useAssetSelection"
 import "@/pages/assets/hooks/useAssetOperations"
-import "@/pages/assets/hooks/asset-operations/batch-operations/useBatchDelete"
-import "@/pages/assets/hooks/asset-operations/batch-operations/useBatchTag"
-import "@/pages/assets/hooks/asset-operations/batch-operations/useBatchClassify"
-import "@/pages/assets/hooks/asset-operations/batch-operations/useBatchMark"
+import "@/pages/assets/hooks/asset-operations/batch/useBatchDelete"
+import "@/pages/assets/hooks/asset-operations/batch/useBatchTag"
+import "@/pages/assets/hooks/asset-operations/batch/useBatchClassify"
+import "@/pages/assets/hooks/asset-operations/batch/useBatchMark"
 
 describe("AssetLibrary module smoke test", () => {
   it("should load all asset modules", () => {

apps/web/src/test/pages/editing-planner/smoke.test.tsx

@@ -53,6 +53,13 @@ import "@/pages/editing-planner/components/clip-properties/SubtitleSettingsSecti
 import "@/pages/editing-planner/components/clip-properties/BgmSettingsSection"
 import "@/pages/editing-planner/components/clip-properties/ClipDetailSection"
 import "@/pages/editing-planner/components/clip-properties/StatsSection"
+import "@/pages/editing-planner/components/pip-config/LayerList"
+import "@/pages/editing-planner/components/pip-config/LayerConfig"
+import "@/pages/editing-planner/components/sticker/StickerLibrary"
+import "@/pages/editing-planner/components/sticker/StickerList"
+import "@/pages/editing-planner/components/sticker/StickerPropsEditor"
+import "@/pages/editing-planner/components/sticker/StickerPreview"
+import "@/pages/editing-planner/components/sticker/TextStickerPropsEditor"
 import "@/pages/editing-planner/components/filter/FilterPresetGrid"
 import "@/pages/editing-planner/components/filter/FilterManualAdjust"
 import "@/pages/editing-planner/components/intro-outro/IntroOutroBlock"
@@ -60,6 +67,8 @@ import "@/pages/editing-planner/components/subtitle-style/SubtitlePreview"
 import "@/pages/editing-planner/components/subtitle-style/SubtitleModeSwitch"
 import "@/pages/editing-planner/components/subtitle-style/SubtitlePositionSelector"
 import "@/pages/editing-planner/components/subtitle-style/SubtitleEffectButtons"
+import "@/pages/editing-planner/components/tts/VoiceSelector"
+import "@/pages/editing-planner/components/tts/TtsSlider"
 import "@/pages/editing-planner/components/watermark/WatermarkTypeTabs"
 import "@/pages/editing-planner/components/watermark/ImageWatermarkSection"
 import "@/pages/editing-planner/components/watermark/TextWatermarkSection"

apps/web/src/test/pages/generate/FrontendPreviewPlayer.audio.test.tsx

@@ -1,7 +1,7 @@
 /**
  * FrontendPreviewPlayer 音频行为单测（Issue #1741 / #1750）
  *
- * useSegmentScheduler 用 mock 控制播放态，专注验证本组件的音频逻辑：
+ * useSegmentScheduler/useCanvasPlayer 用 mock 控制播放态，专注验证本组件的音频逻辑：
  * - 有配音时 video 保持 muted（素材原声不与配音混音）
  * - 无配音时 video 不 muted（素材原声兜底，保证任何情况下播放有声）
  * - 静音按钮：默认有声；点击后切 muted，aria-label 与图标切换

apps/worker/video_processing/render_adapter.py

@@ -221,18 +221,17 @@ class RenderAdapter:
 
         except subprocess.CalledProcessError as exc:
             stderr_text = (exc.stderr or "").strip()
-            stderr_tail = stderr_text[-5000:] if len(stderr_text) > 5000 else stderr_text
             logger.error(
                 "[render-adapter] ffmpeg渲染失败: plan_id=%s job_id=%s exit_code=%d\nstderr:\n%s",
                 plan_id,
                 job_id,
                 exc.returncode,
-                stderr_tail,
+                stderr_text[-2000:] if len(stderr_text) > 2000 else stderr_text,
             )
             return RenderAdapterResult(
                 success=False,
-                error_message=f"FFmpeg渲染失败(exit={exc.returncode}): {stderr_text[-500:]}",
-                error_detail=stderr_tail,
+                error_message=f"FFmpeg渲染失败(exit={exc.returncode}): {stderr_text[:200]}",
+                error_detail=stderr_text[-2000:] if len(stderr_text) > 2000 else stderr_text,
             )
         except Exception as exc:
             logger.exception(
@@ -722,17 +721,16 @@ class RenderAdapter:
 
         except subprocess.CalledProcessError as exc:
             stderr_text = (exc.stderr or "").strip()
-            stderr_tail = stderr_text[-5000:] if len(stderr_text) > 5000 else stderr_text
             logger.error(
                 "[render-adapter] 内存模式渲染失败: plan_id=%s exit_code=%d\nstderr:\n%s",
                 actual_plan_id,
                 exc.returncode,
-                stderr_tail,
+                stderr_text[-2000:] if len(stderr_text) > 2000 else stderr_text,
             )
             return RenderAdapterResult(
                 success=False,
-                error_message=f"FFmpeg渲染失败(exit={exc.returncode}): {stderr_text[-500:]}",
-                error_detail=stderr_tail,
+                error_message=f"FFmpeg渲染失败(exit={exc.returncode}): {stderr_text[:200]}",
+                error_detail=stderr_text[-2000:] if len(stderr_text) > 2000 else stderr_text,
             )
         except Exception as exc:
             logger.exception(

apps/worker/video_processing/unified_render_service.py

@@ -2301,13 +2301,13 @@ class UnifiedRenderService:
                     filters.append(f"eq=contrast={contrast:.3f}")
 
             elif filt == "color_balance":
-                # RGB 通道偏移：colorbalance=rs=...:gs=...:bs=...
+                # RGB 通道偏移：color_balance=rs=...:gs=...:bs=...
                 r = pixel_pert.get("color_r", 0)
                 g = pixel_pert.get("color_g", 0)
                 b = pixel_pert.get("color_b", 0)
                 if r != 0 or g != 0 or b != 0:
                     # color_balance 参数范围 -1.0 ~ 1.0，这里用 /100 转换
-                    filters.append(f"colorbalance=rs={r/100:.3f}:gs={g/100:.3f}:bs={b/100:.3f}")
+                    filters.append(f"color_balance=rs={r/100:.3f}:gs={g/100:.3f}:bs={b/100:.3f}")
 
     @staticmethod
     def _clip_volume(clip: ResolvedClip) -> float:

apps/worker/worker_app/celery_app.py

@@ -34,15 +34,9 @@ celery_app.conf.imports = (
     "worker_app.tasks.tts_synthesis",
     "worker_app.tasks.batch_download",
     "worker_app.tasks.duplication_check",
-    # #1798 AI 数字人渲染：必须在 Worker 实例上注册同名任务，否则消息无人消费（渲染卡 0%）
-    "worker_app.tasks.ai_avatar_render",
     "worker_app.tasks._startup",
     "apps.worker.video_processing.dedup",
     "worker_app.tasks.cleanup",
-    # 注意：必须用 app.* 路径，不能用 apps.api.app.* 路径！
-    # PYTHONPATH=/app/apps/api 下，app.tasks.lipsync_tts 可直接导入且不触发 apps/api/__init__.py
-    # （apps/api/__init__.py 会 from .main import app，级联加载整个 FastAPI 栈，Worker 中不需要且会导致注册失败）
-    "app.tasks.lipsync_tts",
 )
 
 # Celery Beat 定时任务调度

apps/worker/worker_app/tasks/ai_avatar_render.py

@@ -1,48 +0,0 @@
-"""AI 数字人渲染任务 — Worker 侧 Celery 任务注册.
-
-#1798 渲染进度卡在 0% 的根因：渲染任务定义在 API 侧（`app.tasks.ai_avatar_render`），
-装饰在 API 自己的 Celery 实例（`xiaoxia-saas-api`）上；而 Worker 用的是
-`worker_app.celery_app` 实例，`conf.imports` 从未导入该任务，Worker 的任务
-注册表里没有 `ai_avatar_render.execute`，消息被路由到默认 `celery` 队列后
-无人消费，任务永远停在 0%。
-
-修复：在 Worker 侧用 `worker_app.celery_app` 注册同名任务，直接调用与 API
-服务一致的 `AiAvatarRenderService.execute_render` 核心管线（业务逻辑在
-`apps.api.app.services`，worker 镜像已复制 `apps/api/app`）。任务名保持
-`ai_avatar_render.execute`，与 API 生产端 `.delay()` 的消息路由一致；未在
-task_routes 显式配置，走默认 `celery` 队列，由 transcode worker 消费。
-"""
-
-from __future__ import annotations
-
-import logging
-
-from worker_app.celery_app import celery_app
-from worker_app.db import SessionLocal
-
-logger = logging.getLogger(__name__)
-
-
-@celery_app.task(bind=True, name="ai_avatar_render.execute", max_retries=2)
-def execute_ai_avatar_render(self, job_id: str) -> dict:
-    """执行 AI 数字人渲染管线（Worker 侧入口）.
-
-    进度由 service 直接写入 DB（AiAvatarRenderJob.progress:
-    0→5→20→40→80→90→95→100），API 通过轮询 progress 字段展示。
-    """
-    logger.info("开始执行渲染任务: %s", job_id)
-    self.update_state(state="PROCESSING", meta={"progress": 0, "job_id": job_id})
-
-    session = SessionLocal()
-    try:
-        from app.services.ai_avatar_render_service import AiAvatarRenderService
-
-        service = AiAvatarRenderService(session)
-        service.execute_render(job_id)
-        return {"status": "completed", "job_id": job_id}
-    except Exception as exc:
-        logger.exception("渲染任务执行异常 [%s]: %s", job_id, exc)
-        self.update_state(state="FAILED", meta={"progress": 0, "error": str(exc)})
-        raise
-    finally:
-        session.close()

apps/worker/worker_app/tasks/generation.py

@@ -705,8 +705,7 @@ def _render_from_edit_plan(
         )
 
         if not result.success:
-            detail_suffix = f"\n[detail] {result.error_detail}" if result.error_detail else ""
-            raise RuntimeError(f"渲染失败: {result.error_message}{detail_suffix}")
+            raise RuntimeError(f"渲染失败: {result.error_message}")
 
         render_elapsed = time.monotonic() - render_start
         logger.info(

infra/docker/compose.yml

@@ -128,9 +128,9 @@ services:
       - xiaoxia-net
 
     # 健康检查配置
-    # 注：容器内无 pgrep/ps，扫描 /proc 所有进程的 cmdline 查找 celery 进程
+    # 注：celery inspect ping 依赖 broker 连接，在容器内不可靠，改用进程检查
     healthcheck:
-      test: ["CMD-SHELL", "grep -lq celery /proc/[0-9]*/cmdline 2>/dev/null || exit 1"]
+      test: ["CMD-SHELL", "for pid in /proc/[0-9]*/cmdline; do if grep -ql celery \"$pid\" 2>/dev/null; then exit 0; fi; done; exit 1"]
       interval: 30s
       timeout: 10s
       retries: 3
@@ -163,7 +163,7 @@ services:
     #   context: ../..
     #   dockerfile: ${WEB_DOCKERFILE:-infra/docker/web.Dockerfile}
     #   args:
-    #     (NGINX_CONF no longer needed - all configs baked into image)
+    #     NGINX_CONF: ${WEB_NGINX_CONF:-infra/docker/nginx.conf}
     
     container_name: xiaoxia-web-${ENV:-staging}
     restart: unless-stopped
@@ -178,12 +178,12 @@ services:
       - xiaoxia-net
     
     # =========================================
-    # Nginx 配置运行时覆盖（双保险：entrypoint 也按 APP_ENV 选择配置）
+    # Nginx 配置运行时覆盖
     # 确保容器使用正确环境的 nginx 配置，即使镜像构建时使用了默认配置
     # 注意: 只覆盖 /etc/nginx/conf.d/default.conf，不挂载 /usr/share/nginx/html
     # =========================================
     environment:
-      - APP_ENV=${ENV:-staging}
+      - NGINX_ENV=${ENV:-staging}
     volumes:
       - ./nginx-${ENV:-staging}.conf:/etc/nginx/conf.d/default.conf:ro
     

infra/docker/deploy-production-registry.sh

@@ -14,11 +14,11 @@ REGISTRY_TOKEN="${REGISTRY_TOKEN:-}"
 ENV_FILE="${ENV_FILE:-/var/lib/xiaoxia-saas-production/.env}"
 GENERATED_DIR="${GENERATED_DIR:-/var/lib/xiaoxia-saas-production/generated}"
 LEGACY_ASSETS_DIR="${LEGACY_ASSETS_DIR:-/var/lib/xiaoxia-saas-production/legacy-assets}"
-REPO_DIR="${REPO_DIR:-/var/lib/xiaoxia-saas-production/repo}"
 
 if [ -z "$IMAGE_TAG" ]; then
   echo "ERROR: IMAGE_TAG is required"
   exit 1
+fi
 
 test -f "$ENV_FILE"
 mkdir -p "$GENERATED_DIR"
@@ -31,6 +31,7 @@ if [ -n "$REGISTRY_TOKEN" ]; then
   printf %s "$REGISTRY_TOKEN" | docker login "$REGISTRY_HOST" -u "$REGISTRY_USER" --password-stdin 2>/dev/null || {
     echo "WARN: docker login failed, will try to pull anyway"
   }
+fi
 
 # ---- Pull 三镜像 ----
 REGISTRY_API="${REGISTRY}/xiaoxia-saas-api:${IMAGE_TAG}"
@@ -65,14 +66,17 @@ if docker inspect xiaoxia-web-production >/dev/null 2>&1; then
   if [ -d "$_tmpdir" ] && [ "$(ls -A "$_tmpdir" 2>/dev/null)" ]; then
     cp -an "$_tmpdir"/. "$LEGACY_ASSETS_DIR"/ 2>/dev/null || true
     echo "Legacy assets backed up: $(ls "$_tmpdir" | wc -l) files"
+  fi
   rm -rf "$_tmpdir"
 else
   echo "No existing web container, skipping legacy assets backup"
+fi
 
 # 清理超过 7 天的旧 assets 文件（避免无限增长）
 if [ -d "$LEGACY_ASSETS_DIR" ]; then
   find "$LEGACY_ASSETS_DIR" -type f -mtime +7 -delete 2>/dev/null || true
   echo "Legacy assets cleanup done (retain 7 days)"
+fi
 
 # ---- 确保基础设施容器在运行 ----
 echo "Checking infrastructure containers..."
@@ -80,10 +84,12 @@ for c in xiaoxia-postgres-production xiaoxia-redis-production; do
   if ! docker inspect "$c" >/dev/null 2>&1; then
     echo "ERROR: Required container not found: $c"
     exit 1
+  fi
   state=$(docker inspect -f '{{.State.Status}}' "$c")
   if [ "$state" != "running" ]; then
     echo "ERROR: Container not running: $c ($state)"
     exit 1
+  fi
 done
 
 # ---- 确保生产网络存在 ----
@@ -102,6 +108,7 @@ echo "Migrations completed."
 echo "Stopping old containers..."
 docker rm -f xiaoxia-api-production 2>/dev/null || true
 docker rm -f xiaoxia-worker-production 2>/dev/null || true
+docker rm -f xiaoxia-web-production 2>/dev/null || true
 
 # ---- 日志配置（所有容器共用） ----
 LOG_OPTS="--log-driver json-file --log-opt max-size=50m --log-opt max-file=3"
@@ -148,7 +155,7 @@ docker run -d \
   --restart unless-stopped \
   --cpus 2 \
   --memory 2g \
-  --health-cmd "sh -c \"grep -lq celery /proc/[0-9]*/cmdline 2>/dev/null || exit 1\"" \
+  --health-cmd "sh -c \"for pid in /proc/[0-9]*/cmdline; do if grep -ql celery \"$pid\" 2>/dev/null; then exit 0; fi; done; exit 1\"" \
   --health-interval 30s \
   --health-timeout 10s \
   --health-retries 3 \
@@ -159,16 +166,15 @@ docker run -d \
 # ---- 启动 Web ----
 # Legacy assets 挂载到 /usr/share/nginx/html/assets-legacy/assets/
 # nginx 配置中 assets location 有 fallback 逻辑
-WEB_VOLUMES=""
+LEGACY_VOLUME=""
 if [ -d "$LEGACY_ASSETS_DIR" ] && [ "$(ls -A "$LEGACY_ASSETS_DIR" 2>/dev/null)" ]; then
-  WEB_VOLUMES="-v ${LEGACY_ASSETS_DIR}:/usr/share/nginx/html/assets-legacy/assets:ro"
+  LEGACY_VOLUME="-v ${LEGACY_ASSETS_DIR}:/usr/share/nginx/html/assets-legacy/assets:ro"
   echo "Web container: legacy assets mounted (fallback)"
 else
   echo "Web container: no legacy assets to mount"
 fi
 
 echo "Starting Web container..."
-docker rm -f xiaoxia-web-production 2>/dev/null || true
 docker run -d \
   --name xiaoxia-web-production \
   --network xiaoxia-net-production \
@@ -176,8 +182,7 @@ docker run -d \
   --restart unless-stopped \
   --cpus 0.5 \
   --memory 512m \
-  -e APP_ENV=production \
-  $WEB_VOLUMES \
+  $LEGACY_VOLUME \
   --health-cmd "wget --spider -q http://127.0.0.1:80" \
   --health-interval 30s \
   --health-timeout 5s \
@@ -192,6 +197,7 @@ while [ "$i" -lt 40 ]; do
   if curl -sf --max-time 5 http://127.0.0.1:8001/health >/dev/null 2>&1; then
     echo "API is healthy!"
     break
+  fi
   i=$((i + 1))
   echo "  Waiting... ($i/40)"
   sleep 3
@@ -201,6 +207,7 @@ if [ "$i" -ge 40 ]; then
   echo "ERROR: API did not become healthy within 120s"
   docker logs --tail 50 xiaoxia-api-production
   exit 1
+fi
 
 # ---- 等待 Web 健康 ----
 echo "Waiting for Web to become healthy..."
@@ -209,6 +216,7 @@ while [ "$i" -lt 15 ]; do
   if curl -sf --max-time 5 http://127.0.0.1:3002/ >/dev/null 2>&1; then
     echo "Web is healthy!"
     break
+  fi
   i=$((i + 1))
   echo "  Waiting... ($i/15)"
   sleep 2
@@ -218,6 +226,7 @@ if [ "$i" -ge 15 ]; then
   echo "ERROR: Web did not become healthy within 30s"
   docker logs --tail 30 xiaoxia-web-production
   exit 1
+fi
 
 # ---- 清理旧镜像 ----
 echo "Cleaning up old images..."

infra/docker/deploy-staging-registry.sh

@@ -116,7 +116,7 @@ docker run -d \
   -v "$GENERATED_DIR:/app/generated" \
   --restart unless-stopped \
   --label com.centurylinklabs.watchtower.enable=true \
-  --health-cmd "sh -c \"grep -lq celery /proc/[0-9]*/cmdline 2>/dev/null || exit 1\"" \
+  --health-cmd "sh -c \"for pid in /proc/[0-9]*/cmdline; do if grep -ql celery \"$pid\" 2>/dev/null; then exit 0; fi; done; exit 1\"" \
   --health-interval 30s \
   --health-timeout 10s \
   --health-retries 3 \
@@ -124,15 +124,23 @@ docker run -d \
   "$LOCAL_WORKER"
 
 # ---- 启动 Web ----
+# Web 镜像默认打包 production nginx.conf，staging 需要挂载 staging 配置
+NGINX_CONF="${NGINX_CONF:-${COMPOSE_DIR}/nginx-staging.conf}"
+if [ ! -f "$NGINX_CONF" ]; then
+  echo "WARN: nginx config not found at $NGINX_CONF, using image default"
+  NGINX_VOLUME=""
+else
+  NGINX_VOLUME="-v ${NGINX_CONF}:/etc/nginx/conf.d/default.conf:ro"
+fi
+
 echo "Starting Web container..."
-docker rm -f xiaoxia-web-staging 2>/dev/null || true
 docker run -d \
   --name xiaoxia-web-staging \
   --network xiaoxia-net-staging \
   -p 127.0.0.1:3001:80 \
   --restart unless-stopped \
   --label com.centurylinklabs.watchtower.enable=true \
-  -e APP_ENV=staging \
+  $NGINX_VOLUME \
   --health-cmd "wget --spider -q http://127.0.0.1:80" \
   --health-interval 30s \
   --health-timeout 5s \

infra/docker/deploy-staging.sh

@@ -53,6 +53,7 @@ export API_IMAGE="${API_IMAGE:-${REGISTRY}/xiaoxia-saas-api:dev}"
 export WORKER_IMAGE="${WORKER_IMAGE:-${REGISTRY}/xiaoxia-saas-worker:dev}"
 
 # Use staging-specific nginx config (proxy_pass → xiaoxia-api-staging:8000)
+export WEB_NGINX_CONF=infra/docker/nginx-staging.conf
 
 if [ "${REBUILD_BACKEND:-0}" = "1" ] || [ "${BUILD_WEB:-0}" = "1" ]; then
   if [ "${ALLOW_STAGING_BUILDS:-false}" != "true" ]; then

infra/docker/nginx-entrypoint.sh

@@ -1,49 +0,0 @@
-#!/bin/sh
-# Select nginx config based on APP_ENV (staging/production).
-#
-# 两种运行模式：
-# 1. CI/CD 部署（staging/production）：部署脚本通过 `-v 宿主机文件:/etc/nginx/conf.d/default.conf:ro`
-#    把宿主机生成的带 resolver/docker upstream 的配置 bind mount 进来，entrypoint 不应改动。
-#    bind mount 的文件是 readonly 的，rm 会报 EBUSY ("Resource busy")，直接 exec nginx 即可。
-# 2. 本地 docker-compose / 直接 `docker run`（无外部挂载）：镜像烤入了 nginx-staging.conf 与
-#    nginx-production.conf 到 /etc/nginx/，entrypoint 根据 APP_ENV 把 default.conf 换成正确的 symlink。
-#
-# 策略：
-# - 如果 /etc/nginx/conf.d/default.conf 已经是指向目标 conf 的 symlink，什么都不做；
-# - 否则尝试 rm -f 再 ln -s；rm 失败说明是外部 bind mount（已有正确配置），不阻塞启动；
-# - 兜底：只要 conf.d 目录里有 .conf 文件（含 bind mount 来的），就直接启动 nginx。
-set -e
-
-NGINX_CONF_DIR="/etc/nginx/conf.d"
-TARGET_CONF=""
-
-case "${APP_ENV:-production}" in
-  staging)
-    TARGET_CONF="/etc/nginx/nginx-staging.conf"
-    ;;
-  *)
-    TARGET_CONF="/etc/nginx/nginx-production.conf"
-    ;;
-esac
-
-DEFAULT_CONF="$NGINX_CONF_DIR/default.conf"
-
-# 1. 已经是正确的 symlink：直接启动
-if [ -L "$DEFAULT_CONF" ] && [ "$(readlink "$DEFAULT_CONF" 2>/dev/null)" = "$TARGET_CONF" ]; then
-  exec nginx -g "daemon off;"
-fi
-
-# 2. 尝试替换为目标 symlink（无 bind mount 的场景）
-#    若 rm 失败（bind mount readonly，EBUSY/EPERM），则认为外部已注入配置，不阻塞。
-rm -f "$DEFAULT_CONF" 2>/dev/null || true
-if [ -f "$TARGET_CONF" ] && [ ! -e "$DEFAULT_CONF" ]; then
-  ln -s "$TARGET_CONF" "$DEFAULT_CONF" 2>/dev/null || true
-fi
-
-# 3. 兜底：至少要有一个 .conf 文件，否则 nginx 起不来
-if ! ls "$NGINX_CONF_DIR"/*.conf >/dev/null 2>&1; then
-  echo "ERROR: no nginx config found in $NGINX_CONF_DIR (tried $TARGET_CONF and external bind mount)" >&2
-  exit 1
-fi
-
-exec nginx -g "daemon off;"

infra/docker/web-artifact.Dockerfile

@@ -1,11 +1,7 @@
 FROM git.xiaoxiajianji.com/xiaoxia/base/nginx:alpine AS runner
+ARG NGINX_CONF=infra/docker/nginx.conf
 WORKDIR /usr/share/nginx/html
 COPY apps/web/dist ./
-# 将所有 nginx 配置烤入镜像，entrypoint 按 APP_ENV 选择
-COPY infra/docker/nginx.conf /etc/nginx/nginx-production.conf
-COPY infra/docker/nginx-staging.conf /etc/nginx/nginx-staging.conf
-COPY infra/docker/nginx-production.conf /etc/nginx/nginx-production.conf
-COPY infra/docker/nginx-entrypoint.sh /docker-entrypoint.sh
-RUN chmod +x /docker-entrypoint.sh
+COPY ${NGINX_CONF} /etc/nginx/conf.d/default.conf
 EXPOSE 80
-ENTRYPOINT ["/docker-entrypoint.sh"]
+CMD ["nginx", "-g", "daemon off;"]

infra/docker/web.Dockerfile

@@ -28,13 +28,9 @@ RUN --mount=type=cache,target=/app/apps/web/.tscache,sharing=locked \
 
 # Production stage with nginx
 FROM git.xiaoxiajianji.com/xiaoxia/base/nginx:alpine AS runner
+ARG NGINX_CONF=infra/docker/nginx.conf
 WORKDIR /usr/share/nginx/html
 COPY --from=builder /app/apps/web/dist ./
-# 将所有 nginx 配置烤入镜像，entrypoint 按 APP_ENV 选择
-COPY infra/docker/nginx.conf /etc/nginx/nginx-production.conf
-COPY infra/docker/nginx-staging.conf /etc/nginx/nginx-staging.conf
-COPY infra/docker/nginx-production.conf /etc/nginx/nginx-production.conf
-COPY infra/docker/nginx-entrypoint.sh /docker-entrypoint.sh
-RUN chmod +x /docker-entrypoint.sh
+COPY ${NGINX_CONF} /etc/nginx/conf.d/default.conf
 EXPOSE 80
-ENTRYPOINT ["/docker-entrypoint.sh"]
+CMD ["nginx", "-g", "daemon off;"]

infra/docker/worker.Dockerfile

@@ -20,7 +20,7 @@ WORKDIR /app
 
 # 设置 Python 环境变量
 ENV PATH="/opt/venv/bin:$PATH"
-ENV PYTHONPATH=/app:/app/apps/api:/app/packages
+ENV PYTHONPATH=/app:/app/packages
 ENV PYTHONUNBUFFERED=1
 ENV APP_VERSION=$APP_VERSION
 
@@ -28,10 +28,8 @@ ENV APP_VERSION=$APP_VERSION
 COPY alembic.ini /app/alembic.ini
 COPY migrations/ /app/migrations/
 COPY packages/ /app/packages/
-# PR #1844 起，worker 还需要加载 apps.api.app.tasks.lipsync_tts，
-# 该 task 依赖 app.services.* 与 app.core.celery_app（PYTHONPATH=/app/apps/api 下解析）。
-# 为避免后续新增 task 再次漏 COPY，直接把整个 apps/api/app/ 复制进 worker 镜像。
-COPY apps/api/app/ /app/apps/api/app/
+COPY apps/api/app/config.py /app/apps/api/app/config.py
+COPY apps/api/app/core/ /app/apps/api/app/core/
 
 # Worker 启动脚本
 COPY infra/docker/entrypoint-worker.sh /usr/local/bin/entrypoint-worker.sh

packages/__init__.py

@@ -1 +0,0 @@
-# xiaoxia-saas shared packages namespace

packages/adapters/__init__.py

@@ -1 +0,0 @@
-# adapter implementations namespace

packages/adapters/sqlalchemy_impl/models.py

@@ -703,9 +703,6 @@ class LipsyncJobModel(Base):
     error_message = Column(Text, nullable=False, default="")
     error_code = Column(String(100), nullable=False, default="")
 
-    # 精确句子时间戳（TTS 合成后由 silencedetect 计算，用于 B-roll 精确定位）
-    sentence_timings = Column(JSON, nullable=True)  # list[{index,text,start_time,end_time}]
-
     # 时间戳
     submitted_at = Column(DateTime, nullable=True)
     completed_at = Column(DateTime, nullable=True)

packages/application/cosyvoice_service.py

@@ -524,10 +524,6 @@ class CosyVoiceService:
         if not audio_url:
             raise CosyVoiceError(f"CosyVoice API 未返回 audio_url: {response}")
 
-        # DashScope 返回 http://，统一升级为 https://
-        if audio_url.startswith("http://"):
-            audio_url = audio_url.replace("http://", "https://", 1)
-
         return {
             "task_id": "",  # 同步接口无 task_id，兼容旧接口
             "audio_url": audio_url,

packages/domain/generated_video.py

@@ -49,17 +49,19 @@ class GeneratedVideo:
         thumbnail_url: str | None = None,
         generation_params: dict[str, Any] | None = None,
     ) -> "GeneratedVideo":
-        # project_id / generation_task_id 允许为空：AI数字人等无项目场景下，前端可能不传 project_id；
-        # lipsync 路径下 generation_task_id 也可能暂时为空。空串会被下面统一兜底为 "" 入库。
-        if not name or not name.strip():
+        if not project_id.strip():
+            raise ValueError("project_id cannot be empty")
+        if not generation_task_id.strip():
+            raise ValueError("generation_task_id cannot be empty")
+        if not name.strip():
             raise ValueError("name cannot be empty")
-        if not file_url or not file_url.strip():
+        if not file_url.strip():
             raise ValueError("file_url cannot be empty")
         return cls(
             id=uuid4().hex,
-            project_id=(project_id or "").strip(),
-            user_id=(user_id or "").strip(),
-            generation_task_id=(generation_task_id or "").strip(),
+            project_id=project_id.strip(),
+            user_id=user_id.strip(),
+            generation_task_id=generation_task_id.strip(),
             name=name.strip(),
             file_url=file_url.strip(),
             file_size=file_size,

packages/domain/sentence_timings.py

@@ -1,205 +0,0 @@
-"""共享的句子时间戳计算工具 — 供 Celery TTS 任务和 /lipsync/tts-preview 同步接口复用.
-
-- `_split_script_into_sentences`: 按标点分句（中英文逗号/句号/问号/感叹号/分号/换行）
-- `_estimate_sentence_timings_by_chars`: 按字数比例估算（静音检测失败时降级）
-- `_probe_audio_duration`: ffprobe 读取音频时长
-- `compute_sentence_timings`: 基于 ffmpeg silencedetect 精确计算每句起止时间
-"""
-
-from __future__ import annotations
-
-import logging
-import os
-import re
-import subprocess
-import tempfile
-from typing import Optional
-
-logger = logging.getLogger(__name__)
-
-
-def split_script_into_sentences(script_text: str) -> list[str]:
-    """按句号/问号/感叹号/分号/逗号/换行分句（与前端 SENTENCE_SPLIT_RE 一致）.
-
-    中文短视频文案习惯用「，」断小句（如"卖花的叫花无缺，卖姜的叫姜子牙"），
-    必须把逗号也纳入分隔符，否则多句文案会被识别成一整句，导致 B-roll 时间戳错位。
-    """
-    text = (script_text or "").strip()
-    if not text:
-        return []
-    parts = re.split(r"[。！？!?？！;；,，\n\r]+", text)
-    return [p.strip() for p in parts if p.strip()]
-
-
-def estimate_sentence_timings_by_chars(sentences: list[str], total_duration: float) -> list[dict]:
-    """降级方案：按字数比例估算句子时间（与原前端逻辑一致）."""
-    if not sentences or total_duration <= 0:
-        return []
-    total_chars = sum(len(s.replace(r"\s", "")) for s in sentences)
-    if total_chars == 0:
-        return []
-
-    timings = []
-    acc = 0
-    for i, sent in enumerate(sentences):
-        chars = len(sent.replace(r"\s", ""))
-        start = (acc / total_chars) * total_duration
-        end = ((acc + chars) / total_chars) * total_duration
-        timings.append(
-            {
-                "index": i,
-                "text": sent,
-                "start_time": round(start, 2),
-                "end_time": round(end, 2),
-            }
-        )
-        acc += chars
-    return timings
-
-
-def probe_audio_duration(audio_data: bytes, timeout: int = 10) -> float:
-    """用 ffprobe 读取音频字节流的时长（秒）.
-
-    Returns:
-        时长（秒），失败返回 0.0
-    """
-    if not audio_data:
-        return 0.0
-    tmp_path: Optional[str] = None
-    try:
-        with tempfile.NamedTemporaryFile(suffix=".mp3", delete=False) as tmp:
-            tmp.write(audio_data)
-            tmp_path = tmp.name
-        result = subprocess.run(
-            [
-                "ffprobe",
-                "-v",
-                "error",
-                "-show_entries",
-                "format=duration",
-                "-of",
-                "default=noprint_wrappers=1:nokey=1",
-                tmp_path,
-            ],
-            capture_output=True,
-            text=True,
-            timeout=timeout,
-        )
-        stdout = (result.stdout or "").strip()
-        if not stdout:
-            logger.warning("[sentence_timings] ffprobe 无输出: stderr=%s", (result.stderr or "")[:200])
-            return 0.0
-        return float(stdout)
-    except Exception as exc:
-        logger.warning("[sentence_timings] ffprobe 时长探测失败: %s", exc)
-        return 0.0
-    finally:
-        if tmp_path:
-            try:
-                os.unlink(tmp_path)
-            except Exception:
-                pass
-
-
-def compute_sentence_timings(audio_data: bytes, script_text: str, total_duration: float) -> list[dict]:
-    """基于 TTS 音频的静音检测，精确计算每句文案的起止时间.
-
-    使用 ffmpeg silencedetect 检测静音段，将静音点与句子边界对齐。
-    比字数比例估算准确得多。
-
-    Args:
-        audio_data: TTS 音频二进制数据（MP3）
-        script_text: 文案全文
-        total_duration: 音频总时长（秒）
-
-    Returns:
-        list[{"index": int, "text": str, "start_time": float, "end_time": float}]
-    """
-    sentences = split_script_into_sentences(script_text)
-    if not sentences:
-        return []
-
-    tmp_path: Optional[str] = None
-    try:
-        with tempfile.NamedTemporaryFile(suffix=".mp3", delete=False) as tmp:
-            tmp.write(audio_data)
-            tmp_path = tmp.name
-
-        result = subprocess.run(
-            [
-                "ffmpeg",
-                "-i",
-                tmp_path,
-                "-af",
-                "silencedetect=noise=-25dB:d=0.3",
-                "-f",
-                "null",
-                "-",
-            ],
-            capture_output=True,
-            text=True,
-            timeout=30,
-        )
-        stderr = result.stderr or ""
-
-        silence_ends = []
-        for match in re.finditer(r"silence_end:\s*([\d.]+)", stderr):
-            t = float(match.group(1))
-            if 0 < t < total_duration:
-                silence_ends.append(t)
-
-        if len(silence_ends) < len(sentences) - 1:
-            logger.warning(
-                "[sentence_timings] 静音点不足(%d < %d)，降级为字数比例估算",
-                len(silence_ends),
-                len(sentences) - 1,
-            )
-            return estimate_sentence_timings_by_chars(sentences, total_duration)
-
-        n_boundaries = len(sentences) - 1
-        boundaries = []
-        used_indices = set()
-
-        for i in range(n_boundaries):
-            expected_pos = (i + 1) / len(sentences) * total_duration
-            best_idx = None
-            best_dist = float("inf")
-            for j, t in enumerate(silence_ends):
-                if j in used_indices:
-                    continue
-                dist = abs(t - expected_pos)
-                if dist < best_dist:
-                    best_dist = dist
-                    best_idx = j
-            if best_idx is not None:
-                used_indices.add(best_idx)
-                boundaries.append(silence_ends[best_idx])
-
-        boundaries.sort()
-
-        timings = []
-        prev_end = 0.0
-        for i, sent in enumerate(sentences):
-            start = prev_end
-            end = boundaries[i] if i < len(boundaries) else total_duration
-            timings.append(
-                {
-                    "index": i,
-                    "text": sent,
-                    "start_time": round(start, 2),
-                    "end_time": round(end, 2),
-                }
-            )
-            prev_end = end
-
-        return timings
-
-    except Exception as exc:
-        logger.warning("[sentence_timings] 静音检测异常，降级为字数比例估算: %s", exc)
-        return estimate_sentence_timings_by_chars(sentences, total_duration)
-    finally:
-        if tmp_path:
-            try:
-                os.unlink(tmp_path)
-            except Exception:
-                pass

packages/domain/video_filter_builder.py

@@ -377,30 +377,26 @@ def _append_audio_concat(parts: list[str], clip_chains: list[ClipFilterChain]) -
 
 # ── 标题 drawtext 滤镜构建（#1789）─────────────────────────────────────────────
 
-# drawtext 字体搜索路径：按优先级从高到低排列
-# 服务器使用 Noto Sans SC（思源黑体）作为默认字体。
-# - NotoSansSC-VF.ttf 是 worker-base.Dockerfile 中 COPY 的 VF 字体（含所有字重，无 Mono 变体），优先级最高
-# - .ttc 系列为 fonts-noto-cjk 包预装字体（Dockerfile 已删除含 Mono 变体的旧 .ttc，存在时作为 fallback）
-# - DejaVuSans 仅含拉丁字符不支持中文，已移除
+# drawtext 字体搜索路径：按优先级列出常见安装位置
+# 服务器使用 Noto Sans SC（思源黑体）作为默认字体
 DRAWTEXT_FONT_SEARCH_PATHS: list[str] = [
-    "/usr/share/fonts/opentype/noto/NotoSansSC-VF.ttf",
     "/usr/share/fonts/opentype/noto/NotoSansCJK-Regular.ttc",
-    "/usr/share/fonts/opentype/noto/NotoSansCJK-Bold.ttc",
     "/usr/share/fonts/noto-cjk/NotoSansCJK-Regular.ttc",
     "/usr/share/fonts/google-noto-cjk/NotoSansCJK-Regular.ttc",
     "/usr/share/fonts/truetype/noto/NotoSansSC-Regular.ttf",
     "/usr/share/fonts/noto/NotoSansSC-Regular.ttf",
+    "/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf",
 ]
 
-# 前端字体名 → drawtext 字体搜索关键字（匹配 DRAWTEXT_FONT_SEARCH_PATHS 中的文件名关键字）
+# 前端字体名 → drawtext 字体搜索关键字
 DRAWTEXT_FONT_MAP: dict[str, str] = {
-    "思源黑体": "NotoSansSC",
+    "思源黑体": "NotoSansCJK",
     "思源宋体": "NotoSerifCJK",
-    "苹方": "NotoSansSC",
-    "PingFang": "NotoSansSC",
-    "微软雅黑": "NotoSansSC",
+    "苹方": "NotoSansCJK",
+    "PingFang": "NotoSansCJK",
+    "微软雅黑": "NotoSansCJK",
     "楷体": "NotoSerifCJK",
-    "华康俪金黑": "NotoSansSC",
+    "华康俪金黑": "NotoSansCJK",
 }
 
 
@@ -420,11 +416,6 @@ def _escape_drawtext_text(text: str) -> str:
     return result
 
 
-# 粗体字体已由前端 Canvas 直接渲染（Canvas 使用浏览器原生粗体 glyph），
-# FFmpeg 侧不再需要查找 Bold 字体文件；drawtext 仅作为旧版前端的降级路径，
-# 通过 borderw 黑色细描边模拟粗体（见 build_title_drawtext_filter）。
-
-
 def _resolve_font_path(font_name: str) -> str:
     """解析字体名到服务器实际字体文件路径。
 
@@ -432,9 +423,6 @@ def _resolve_font_path(font_name: str) -> str:
     1. 通过 DRAWTEXT_FONT_MAP 映射前端字体名到服务器关键字
     2. 在 DRAWTEXT_FONT_SEARCH_PATHS 中查找匹配路径
     3. 未找到则返回空字符串（drawtext 使用内置默认字体）
-
-    注：粗体已由前端 Canvas 渲染时直接用浏览器 bold glyph 绘制，
-    此处仅作为旧版前端降级路径，无需切换 Bold 字体文件。
     """
     keyword = DRAWTEXT_FONT_MAP.get(font_name, font_name)
     import os
@@ -478,10 +466,8 @@ def build_title_drawtext_filter(
     if not title_config or not isinstance(title_config, dict):
         return None
 
-    # 字段名归一化：兼容 content/text/title 三套命名
-    text = (
-        title_config.get("text") or title_config.get("content") or title_config.get("title") or ""
-    ).strip()
+    # 字段名归一化：兼容 content/text、font_preset/font 两套命名
+    text = (title_config.get("text") or title_config.get("content") or "").strip()
     if not text:
         return None
 
@@ -491,13 +477,13 @@ def build_title_drawtext_filter(
 
     # ── 样式参数 ──
     font_name = title_config.get("font") or title_config.get("font_preset") or "思源黑体"
-    font_size = int(title_config.get("font_size") or title_config.get("size") or 48)
+    font_size = int(title_config.get("font_size") or title_config.get("size") or 36)
     font_color = title_config.get("font_color") or title_config.get("color") or "#ffffff"
     # 去掉 # 前缀（drawtext 用纯 hex 或颜色名）
     if font_color.startswith("#"):
         font_color = font_color[1:]
 
-    position = title_config.get("position") or "bottom"
+    position = title_config.get("position", "top")
     bold = bool(title_config.get("bold", True))
     stroke = title_config.get("stroke")
     shadow = title_config.get("shadow")
@@ -505,7 +491,7 @@ def build_title_drawtext_filter(
     # ── 构建 drawtext 参数 ──
     params: list[str] = []
 
-    # 字体文件（drawtext 降级路径：粗体通过 borderw 黑色描边模拟）
+    # 字体文件
     font_path = _resolve_font_path(font_name)
     if font_path:
         escaped_path = font_path.replace("\\", "\\\\").replace(":", "\\\\:").replace("'", "\\\\'")
@@ -518,28 +504,26 @@ def build_title_drawtext_filter(
     params.append(f"fontsize={font_size}")
     params.append(f"fontcolor={font_color}")
 
+    # 粗体：bold 在 drawtext 中通过 font 的 Bold 变体实现
+    # 若字体有 Bold 变体可用 fontfont=bold；否则通过 borderw 模拟
+    if bold:
+        # 使用 font 参数尝试加载 Bold 变体（Noto Sans SC 有 Bold 变体文件）
+        params.append("font=bold")
+
     # 描边（borderw 需要 libfreetype 支持）
-    # 之前用 borderw=3 + font_color 同色描边模拟粗体，会在小字号/竖屏视频上造成
-    # 字形偏移、边缘重影，看起来像文字被打印了两次（用户截图中的标题"曝光曝光…"）。
-    # 修复：粗体改用黑色细描边（borderw=2, 黑色），视觉上清晰加粗且不产生偏移。
-    # 用户显式开启 stroke 时按用户配置走；粗体+无stroke 默认黑色细描边。
-    border_width = 0
-    border_color = "000000"
     if stroke:
         if isinstance(stroke, bool):
             border_width = 2
-            border_color = "000000"
+            border_color = "black"
         elif isinstance(stroke, dict):
-            if stroke.get("enabled", True):
-                border_width = int(stroke.get("width", 2))
-                border_color = (stroke.get("color") or "#000000").lstrip("#")
-    elif bold:
-        # 粗体模式且未配描边：黑色细描边，模拟粗体同时保证不重影
-        border_width = 2
-        border_color = "000000"
-    if border_width > 0:
-        params.append(f"borderw={border_width}")
-        params.append(f"bordercolor={border_color}")
+            border_width = int(stroke.get("width", 2)) if stroke.get("enabled", True) else 0
+            border_color = (stroke.get("color") or "#000000").lstrip("#")
+        else:
+            border_width = 0
+            border_color = "black"
+        if border_width > 0:
+            params.append(f"borderw={border_width}")
+            params.append(f"bordercolor={border_color}")
 
     # 阴影（shadowcolor + shadowx/y）
     if shadow:
@@ -564,13 +548,8 @@ def build_title_drawtext_filter(
         and not isinstance(pos_x, bool)
         and not isinstance(pos_y, bool)
     ):
-        # pos_x/pos_y 为百分比坐标（0-100），转换为 drawtext 表达式
-        # 例如 pos_x=50 → x=(w-text_w)*0.50（水平居中偏50%）
-        #      pos_y=30 → y=(h-text_h)*0.30
-        pct_x = max(0.0, min(100.0, float(pos_x))) / 100.0
-        pct_y = max(0.0, min(100.0, float(pos_y))) / 100.0
-        params.append(f"x=(w-text_w)*{pct_x:.4f}")
-        params.append(f"y=(h-text_h)*{pct_y:.4f}")
+        params.append(f"x={int(pos_x)}")
+        params.append(f"y={int(pos_y)}")
     else:
         # 三档预设位置：top / center / bottom
         # x 始终水平居中：(w-text_w)/2
@@ -586,43 +565,6 @@ def build_title_drawtext_filter(
     return "drawtext=" + ":".join(params)
 
 
-def build_title_overlay_filter(
-    title_config: dict[str, Any],
-    output_width: int,  # noqa: ARG001 - 保留参数签名，PNG 已按视频分辨率绘制
-    output_height: int,  # noqa: ARG001
-    title_png_path: str,
-    *,
-    title_input_label: str = "[1:v]",
-    base_label: str = "[0:v]",
-    output_label: str = "vout_titled",
-) -> str | None:
-    """构建标题 PNG 图层 overlay 滤镜（WYSIWYG 路径）。
-
-    前端用 Canvas 把标题画成与视频同分辨率的透明 PNG（所见即所得），
-    后端直接 overlay=0:0 叠加即可，PNG 透明区域不遮挡视频。
-
-    Args:
-        title_config: 标题配置 dict（仅用来判断降级）
-        output_width: 输出宽度（未使用，PNG 已按该分辨率绘制）
-        output_height: 输出高度（未使用）
-        title_png_path: 已保存到本地的标题 PNG 文件路径
-        title_input_label: 标题 PNG 在 filter_complex 中的输入标签（默认 "[1:v]"）
-        base_label: 前序滤镜输出标签（如 B-roll 输出 "[vout]"）
-        output_label: overlay 输出标签名
-
-    Returns:
-        overlay 滤镜字符串；title_png_path 为空/文件不存在时返回 None（降级到 drawtext）
-    """
-    import os
-
-    if not title_png_path or not os.path.isfile(title_png_path):
-        return None
-    if not title_config or not isinstance(title_config, dict):
-        return None
-
-    return f"{base_label}{title_input_label}overlay=0:0[{output_label}]"
-
-
 # ── B-roll 叠加滤镜 ─────────────────────────────────────────────────────────
 
 
@@ -631,7 +573,7 @@ def build_broll_overlay_filter(
     video_duration: float,
     output_width: int = DEFAULT_OUTPUT_WIDTH,
     output_height: int = DEFAULT_OUTPUT_HEIGHT,
-) -> tuple[str, str | None]:
+) -> str:
     """构建 B-roll 叠加滤镜链。
 
     支持两种模式:
@@ -639,182 +581,121 @@ def build_broll_overlay_filter(
     - pip: 在对口型视频上叠加画中画 B-roll
 
     Args:
-        b_roll_segments: B-roll 片段配置列表（原始顺序，决定 FFmpeg -i 输入顺序）
+        b_roll_segments: B-roll 片段配置列表
         video_duration: 对口型视频总时长(秒)
-        output_width: 输出宽度（默认 1280；AI 数字人竖屏传 720）
-        output_height: 输出高度（默认 720；AI 数字人竖屏传 1280）
+        output_width: 输出宽度
+        output_height: 输出高度
 
     Returns:
-        (filter_complex_str, final_label)
-        - filter_complex_str: filter_complex 片段字符串（末尾无分号）
-        - final_label: 最终输出 pad 标签名，如 "vout"；无 B-roll 时返回 None
+        FFmpeg filter_complex 滤镜字符串片段
     """
     if not b_roll_segments:
-        return "", None
-
-    # 建立原始列表下标 → FFmpeg 输入下标的映射：
-    # cmd 中 [0:v] 是主视频，随后按 b_roll_segments 原始顺序追加 -i，
-    # 因此第 i 个 segment 的输入是 [{i+1}:v]
-    def _input_label(seg: dict[str, Any]) -> str:
-        # seg 必须来自 b_roll_segments；通过 id() 在原列表中查找
-        for i, s in enumerate(b_roll_segments):
-            if s is seg:
-                return f"[{i + 1}:v]"
-        # fallback: 找不到时不应发生，保守返回
-        return "[1:v]"
+        return ""
 
     parts: list[str] = []
     sorted_segments = sorted(b_roll_segments, key=lambda s: s.get("start_time", 0))
 
-    # 按模式分组
+    # 按模式分组处理
     fullscreen_segments = [s for s in sorted_segments if s.get("mode") == "fullscreen"]
     pip_segments = [s for s in sorted_segments if s.get("mode") == "pip"]
 
-    final_label = None
-
     # ── fullscreen 模式: 切分 + concat ──
     if fullscreen_segments:
-        fs_filter, fs_label = _build_fullscreen_filters(
-            fullscreen_segments, b_roll_segments, video_duration, output_width, output_height, _input_label
-        )
-        parts.append(fs_filter)
-        final_label = fs_label
-    else:
-        fs_label = None
+        parts.append(_build_fullscreen_filters(fullscreen_segments, video_duration, output_width, output_height))
 
     # ── pip 模式: overlay 滤镜 ──
     if pip_segments:
-        pip_filter, pip_label = _build_pip_filters(
-            pip_segments, output_width, output_height, _input_label, base_label=fs_label
-        )
-        parts.append(pip_filter)
-        final_label = pip_label
+        for idx, seg in enumerate(pip_segments):
+            start = seg.get("start_time", 0)
+            end = seg.get("end_time", video_duration)
+            scale = seg.get("pip_scale", 0.3)
+            position = seg.get("pip_position", "bottom_right")
+
+            pip_w = int(output_width * scale)
+            pip_h = int(output_height * scale)
+
+            # 位置映射
+            pos_map = {
+                "top_left": "10:10",
+                "top_right": "W-w-10:10",
+                "bottom_left": "10:H-h-10",
+                "bottom_right": "W-w-10:H-h-10",
+                "center": "(W-w)/2:(H-h)/2",
+            }
+            pos_expr = pos_map.get(position, pos_map["bottom_right"])
+
+            broll_input_idx = len(sorted_segments)  # placeholder for input index
+            parts.append(
+                f"[{broll_input_idx + idx}:v]scale={pip_w}:{pip_h}," f"enable='between(t,{start},{end})'[pip{idx}];"
+            )
+            # overlay onto main stream
+            if idx == 0:
+                base_label = "[vout]" if fullscreen_segments else "[0:v]"
+            else:
+                base_label = f"[pip{idx - 1}]"
+            parts.append(f"{base_label}[pip{idx}]overlay={pos_expr}:enable='between(t,{start},{end})'[vout{idx}];")
 
     result = "".join(parts)
     # 清理末尾多余分号
     if result.endswith(";"):
         result = result[:-1]
-    return result, final_label
+    return result
 
 
 def _build_fullscreen_filters(
-    sorted_fs_segments: list[dict[str, Any]],
-    all_segments: list[dict[str, Any]],
+    segments: list[dict[str, Any]],
     video_duration: float,
     output_width: int,
     output_height: int,
-    input_label_fn,
-) -> tuple[str, str]:
-    """构建 fullscreen 模式的切分 + concat 滤镜。
+) -> str:
+    """构建 fullscreen 模式的切分 + concat 滤镜.
 
-    将主视频按 B-roll 时间段切分，然后用 concat 拼接主视频片段和 B-roll 片段。
-
-    Returns:
-        (filter_str, final_label) 其中 final_label 是 concat 输出的 pad 标签
+    将对口型视频按 B-roll 时间段切分，然后用 concat 拼接 B-roll 片段。
     """
     parts: list[str] = []
     prev_end = 0.0
 
-    # 注意：这里的 idx 是 sorted_fs_segments 中的下标；
-    # 实际 FFmpeg 输入下标必须通过 input_label_fn 查询
-    for idx, seg in enumerate(sorted_fs_segments):
+    for idx, seg in enumerate(segments):
         start = seg.get("start_time", 0)
         end = seg.get("end_time", video_duration)
 
-        # 主视频片段（B-roll 之前）
+        # 保持原视频片段（B-roll 之前的部分）
         if prev_end < start:
             parts.append(f"[0:v]trim=start={prev_end}:end={start},setpts=PTS-STARTPTS[main{idx}];")
 
-        # B-roll 片段：缩放到输出分辨率并裁到对应时长
-        in_lbl = input_label_fn(seg)
+        # B-roll 片段：缩放至目标分辨率
         parts.append(
-            f"{in_lbl}scale={output_width}:{output_height}"
+            f"[{idx + 1}:v]scale={output_width}:{output_height}"
             f":force_original_aspect_ratio=decrease,"
             f"pad={output_width}:{output_height}:(ow-iw)/2:(oh-ih)/2,"
             f"trim=start=0:end={end - start},setpts=PTS-STARTPTS[br{idx}];"
         )
         prev_end = end
 
-    # 尾部主视频片段
+    # 尾部片段
     if prev_end < video_duration:
-        last_idx = len(sorted_fs_segments)
+        last_idx = len(segments)
         parts.append(f"[0:v]trim=start={prev_end}:end={video_duration},setpts=PTS-STARTPTS[main{last_idx}];")
 
     # concat 所有片段
-    segment_labels: list[str] = []
-    for idx, seg in enumerate(sorted_fs_segments):
-        start = seg.get("start_time", 0)
-        # 每段 B-roll 之前是否有主视频片段？
-        has_main_before = (idx == 0 and start > 0) or (
-            idx > 0 and sorted_fs_segments[idx - 1].get("end_time", 0) < start
-        )
-        if has_main_before:
-            segment_labels.append(f"[main{idx}]")
+    segment_labels = []
+    for idx in range(len(segments)):
+        start = segments[idx].get("start_time", 0)
+        if (idx == 0 and segments[0].get("start_time", 0) > 0) or idx > 0:
+            prev_end_prev = segments[idx - 1].get("end_time", 0) if idx > 0 else 0
+            if prev_end_prev < start:
+                segment_labels.append(f"[main{idx}]")
         segment_labels.append(f"[br{idx}]")
-    if prev_end < video_duration:
-        segment_labels.append(f"[main{len(sorted_fs_segments)}]")
 
-    final_lbl = "vout_fs"
+    if prev_end < video_duration:
+        segment_labels.append(f"[main{len(segments)}]")
+
     n = len(segment_labels)
     if n > 0:
         concat_inputs = "".join(segment_labels)
-        parts.append(f"{concat_inputs}concat=n={n}:v=1:a=0[{final_lbl}];")
+        parts.append(f"{concat_inputs}concat=n={n}:v=1:a=0[vout];")
 
-    return "".join(parts), final_lbl
-
-
-def _build_pip_filters(
-    pip_segments: list[dict[str, Any]],
-    output_width: int,
-    output_height: int,
-    input_label_fn,
-    base_label: str | None,
-) -> tuple[str, str]:
-    """构建 PIP（画中画）overlay 滤镜链。
-
-    Args:
-        pip_segments: 按时间排序的 pip 片段
-        output_width: 输出宽度
-        output_height: 输出高度
-        input_label_fn: 片段 → 输入标签的映射函数
-        base_label: 前序滤镜链输出的标签（如 fullscreen 的 vout_fs），为 None 则基于 [0:v]
-
-    Returns:
-        (filter_str, final_label)
-    """
-    parts: list[str] = []
-    cur_label = base_label  # 当前叠加到的标签
-
-    pos_map = {
-        "top_left": "10:10",
-        "top_right": "W-w-10:10",
-        "bottom_left": "10:H-h-10",
-        "bottom_right": "W-w-10:H-h-10",
-        "center": "(W-w)/2:(H-h)/2",
-    }
-
-    for idx, seg in enumerate(pip_segments):
-        start = seg.get("start_time", 0)
-        end = seg.get("end_time", 0)
-        scale = seg.get("pip_scale", 0.3)
-        position = seg.get("pip_position", "bottom_right")
-        pos_expr = pos_map.get(position, pos_map["bottom_right"])
-
-        pip_w = max(1, int(output_width * scale))
-        pip_h = max(1, int(output_height * scale))
-        enable_expr = f"enable='between(t,{start},{end})'"
-
-        in_lbl = input_label_fn(seg)
-        pip_scaled = f"pip{idx}"
-        parts.append(f"{in_lbl}scale={pip_w}:{pip_h},{enable_expr}[{pip_scaled}];")
-
-        # overlay onto the current base
-        base = f"[{cur_label}]" if cur_label else "[0:v]"
-        out_lbl = f"vout_pip{idx}" if idx < len(pip_segments) - 1 else "vout"
-        parts.append(f"{base}[{pip_scaled}]overlay={pos_expr}:{enable_expr}[{out_lbl}];")
-        cur_label = out_lbl
-
-    return "".join(parts), cur_label or "vout"
+    return "".join(parts)
 
 
 def build_cover_extract_command(