ci: trigger CI for develop-main sync verification

合并 develop 分支到 main，包含 100+ commits 的改动。
冲突解决策略：优先保留 develop 的版本。

.ci-retigger-marker

@@ -1 +0,0 @@
-CI re-trigger after runner add-host/DNS fix. This file is harmless and not referenced.

.gitea/workflows/ci-base-image.yml

@@ -1,105 +0,0 @@
-name: CI Base Image Build
-
-on:
-  push:
-    branches:
-      - develop
-      - main
-    paths:
-      - 'requirements-base.txt'
-      - 'requirements-dev.txt'
-      - 'infra/docker/ci.Dockerfile'
-  workflow_dispatch:
-    inputs:
-      reason:
-        description: "触发原因"
-        required: false
-        default: "手动触发 - ci-base 镜像重建"
-
-concurrency:
-  group: ci-base-image-build
-  cancel-in-progress: false
-
-jobs:
-  build-ci-base:
-    name: Build CI Base Image
-    runs-on: runtime-builder
-    timeout-minutes: 60
-    steps:
-    - name: Checkout code
-      shell: sh
-      env:
-        GITHUB_TOKEN: ${{ github.token }}
-      run: |
-        curl -sH "Authorization: token $GITHUB_TOKEN" \
-          "${GITHUB_API_URL}/repos/${GITHUB_REPOSITORY}/raw/scripts/ci/step_checkout.sh?ref=${GITHUB_SHA}" \
-          | bash
-
-    - name: Docker login to Gitea Registry
-      shell: sh
-      env:
-        GITEA_REGISTRY_USER: xiaoxia
-        GITEA_REGISTRY_TOKEN: ${{ secrets.REGISTRY_TOKEN }}
-      run: |
-        set -eu
-        for i in 1 2 3; do
-          echo "=== Docker login 尝试 $i/3 ==="
-          if docker login git.xiaoxiajianji.com -u "${GITEA_REGISTRY_USER}" -p "${GITEA_REGISTRY_TOKEN}"; then
-            echo "✅ Docker login successful"
-            break
-          fi
-          echo "❌ Docker login 失败（尝试 $i/3），5s 后重试..."
-          sleep 5
-        done
-
-    - name: Build and push CI base image
-      shell: sh
-      run: |
-        set -eu
-        IMAGE="git.xiaoxiajianji.com/xiaoxia/xiaoxia-saas/ci-base"
-        VERSION_TAG="deps-$(date +%Y%m%d-%H%M)-${GITHUB_SHA::8}"
-
-        echo "=== Building CI base image (tags: latest, ${VERSION_TAG}) ==="
-        docker build --progress=plain \
-          -f infra/docker/ci.Dockerfile \
-          -t "${IMAGE}:latest" \
-          -t "${IMAGE}:${VERSION_TAG}" \
-          .
-        echo "✅ Image built successfully"
-
-        echo "=== Pushing ${VERSION_TAG} ==="
-        docker push "${IMAGE}:${VERSION_TAG}"
-        echo "=== Pushing latest ==="
-        docker push "${IMAGE}:latest"
-        echo "✅ Pushed to Gitea Registry"
-
-    - name: Verify image
-      shell: sh
-      run: |
-        set -eu
-        IMAGE="git.xiaoxiajianji.com/xiaoxia/xiaoxia-saas/ci-base:latest"
-        echo "=== Verifying pinned deps in fresh image ==="
-        docker run --rm "${IMAGE}" /opt/xiaoxia-ci-venv/bin/python -c \
-          "import httpcore, h2, numpy, httpx; print('VERSIONS:', httpcore.__version__, h2.__version__, numpy.__version__, httpx.__version__)"
-
-    - name: Notify result
-      if: always()
-      continue-on-error: true
-      shell: sh
-      env:
-        CI_NOTIFY_WEBHOOK: ${{ secrets.CI_NOTIFY_WEBHOOK }}
-      run: |
-        set +e
-        if [ "${{ job.status }}" = "success" ]; then
-          NOTIFY_MODE=success JOB_NAME="CI Base Image Build" python3 scripts/ci_notify.py
-        else
-          NOTIFY_MODE=failure JOB_NAME="CI Base Image Build" python3 scripts/ci_notify.py
-        fi
-
-    - name: Cleanup
-      if: always()
-      shell: sh
-      run: |
-        IMAGE="git.xiaoxiajianji.com/xiaoxia/xiaoxia-saas/ci-base"
-        docker rmi "${IMAGE}:latest" 2>/dev/null || true
-        echo "Cleanup done"

.gitea/workflows/ci-canary.yml

@@ -1,51 +0,0 @@
-name: CI Canary Check
-on:
-  schedule:
-    - cron: '*/30 * * * *'
-  workflow_dispatch:
-
-jobs:
-  canary:
-    runs-on: ci-l2
-    timeout-minutes: 10
-    steps:
-      - name: Canary (runner -> docker -> network -> gitea)
-        run: |
-          set -e
-          echo "== runner/container basic =="
-          date; hostname; whoami
-          echo "== gitea api reachability =="
-          code=$(curl -s -o /tmp/v.json -w '%{http_code}' -m 15 "$GITHUB_API_URL/version")
-          echo "gitea api http_code=$code"
-          [ "$code" = "200" ] || { echo "::error::Gitea API unreachable, http_code=$code"; exit 1; }
-          cat /tmp/v.json; echo
-          echo "== external egress =="
-          ext=$(curl -s -o /dev/null -w '%{http_code}' -m 15 https://www.baidu.com || echo 000)
-          echo "external http_code=$ext"
-          echo "== gitea domain resolves NOT to loopback =="
-          set -o pipefail
-          ip=$(getent hosts git.xiaoxiajianji.com | awk '{print $1}' | head -1)
-          echo "git.xiaoxiajianji.com -> $ip"
-          if [ -z "$ip" ]; then
-            echo "::error::DNS resolution failed, git.xiaoxiajianji.com unresolvable"; exit 1
-          fi
-          if [ "$ip" = "127.0.0.1" ] || [ "$ip" = "::1" ]; then
-            echo "::error::Gitea domain resolves to loopback inside job container (hosts/DNS leak)"; exit 1
-          fi
-          echo "CANARY OK"
-      - name: Notify failure
-        if: failure()
-        env:
-          CI_NOTIFY_WEBHOOK: ${{ secrets.CI_NOTIFY_WEBHOOK }}
-        run: |
-          set +e
-          if [ -n "$CI_NOTIFY_WEBHOOK" ]; then
-            MSG="🚨 CI 金丝雀失败：runner->docker->网络->Gitea 链路异常，时间 $(date '+%Y-%m-%d %H:%M:%S')，请立即检查构建服务器"
-            python3 - "$CI_NOTIFY_WEBHOOK" "$MSG" <<'PY'
-          import json,sys,urllib.request
-          hook,msg=sys.argv[1],sys.argv[2]
-          data=json.dumps({"msg_type":"text","content":{"text":msg}}).encode()
-          urllib.request.urlopen(urllib.request.Request(hook,data=data,headers={"Content-Type":"application/json"}),timeout=10)
-          PY
-          fi
-          exit 0

.gitea/workflows/ci-pipeline.yml

@@ -283,7 +283,6 @@ jobs:
           sleep 5
         done
     - name: Run security checks
-      continue-on-error: true  # Security scan is advisory; runner failure must not block deploy
       shell: bash
       env:
         GITHUB_TOKEN: ${{ github.token }}
@@ -334,7 +333,7 @@ jobs:
       PIP_NO_CACHE_DIR: ''
       DATABASE_URL: postgresql+psycopg://postgres:postgres@host.docker.internal:5432/xiaoxia_saas
       USE_IN_MEMORY_DB: 'false'
-      CI_USE_SHARED_PG: 'false'
+      CI_USE_SHARED_PG: 'true'
     permissions:
       contents: read
     steps:
@@ -518,7 +517,7 @@ jobs:
     env:
       DATABASE_URL: postgresql+psycopg://postgres:postgres@host.docker.internal:5432/xiaoxia_saas
       USE_IN_MEMORY_DB: 'false'
-      CI_USE_SHARED_PG: 'false'
+      CI_USE_SHARED_PG: 'true'
       OSS_ACCESS_KEY_ID: placeholder
       OSS_ACCESS_KEY_SECRET: placeholder
       OSS_BUCKET_NAME: xiaoxia-autocut
@@ -1170,31 +1169,6 @@ jobs:
       run: |
         set +e
         NOTIFY_MODE=start JOB_NAME="Deploy Staging" python3 scripts/ci_notify.py
-    - name: Render .env from template
-      shell: sh
-      env:
-        STAGING_DATABASE_URL: ${{ secrets.STAGING_DATABASE_URL }}
-        STAGING_REDIS_URL: ${{ secrets.STAGING_REDIS_URL }}
-        STAGING_CELERY_BROKER_URL: ${{ secrets.STAGING_CELERY_BROKER_URL }}
-        STAGING_CELERY_RESULT_BACKEND: ${{ secrets.STAGING_CELERY_RESULT_BACKEND }}
-        STAGING_JWT_SECRET_KEY: ${{ secrets.STAGING_JWT_SECRET_KEY }}
-        STAGING_MINIO_ENDPOINT: ${{ secrets.STAGING_MINIO_ENDPOINT }}
-        STAGING_MINIO_ACCESS_KEY: ${{ secrets.STAGING_MINIO_ACCESS_KEY }}
-        STAGING_MINIO_SECRET_KEY: ${{ secrets.STAGING_MINIO_SECRET_KEY }}
-        STAGING_MINIO_BUCKET: ${{ secrets.STAGING_MINIO_BUCKET }}
-        OSS_ACCESS_KEY_ID: ${{ secrets.OSS_ACCESS_KEY_ID }}
-        OSS_ACCESS_KEY_SECRET: ${{ secrets.OSS_ACCESS_KEY_SECRET }}
-        COSYVOICE_API_KEY: ${{ secrets.COSYVOICE_API_KEY }}
-        DASHSCOPE_API_KEY: ${{ secrets.DASHSCOPE_API_KEY }}
-        MEDIAKIT_API_KEY: ${{ secrets.MEDIAKIT_API_KEY }}
-      run: |
-        set -eu
-        echo "Rendering .env from template + secrets..."
-        bash scripts/render_env.sh staging
-        echo "✅ .env rendered (file contains secrets, not printed to log)"
-        # 验证文件存在且非空
-        test -s .env.rendered
-        echo "✅ .env.rendered validated ($(wc -l < .env.rendered) lines)"
     - name: Docker login to Registry
       shell: sh
       env:
@@ -1267,31 +1241,9 @@ jobs:
         ssh -p "$staging_port" -i "$key_path" -o StrictHostKeyChecking=no "${staging_user}@${staging_host}" "echo SSH_CONNECTION_OK && hostname"
         echo "SSH connection verified"
 
-        # 配置 Diff 检查：下载服务器当前 .env，对比渲染结果，检测漂移
-        echo "Running config diff check..."
-        scp -P "$staging_port" -i "$key_path" -o StrictHostKeyChecking=no \
-          "${staging_user}@${staging_host}:/var/lib/xiaoxia-saas-staging/.env" .env.current 2>/dev/null \
-          || touch .env.current  # 首次部署时文件不存在，创建空文件
-        bash scripts/config_diff_check.sh .env.rendered .env.current
-        rm -f .env.current
-        echo "Config diff check done"
-
-        # 上传渲染后的 .env 到服务器（替代服务器上旧的 .env）
-        echo "Uploading rendered .env to staging server..."
-        # 备份旧 .env
-        ssh -p "$staging_port" -i "$key_path" -o StrictHostKeyChecking=no "${staging_user}@${staging_host}" \
-          "cp -f /var/lib/xiaoxia-saas-staging/.env /var/lib/xiaoxia-saas-staging/.env.bak.\$(date +%Y%m%d%H%M%S) 2>/dev/null || true"
-        # 上传新 .env
-        scp -P "$staging_port" -i "$key_path" -o StrictHostKeyChecking=no .env.rendered \
-          "${staging_user}@${staging_host}:/var/lib/xiaoxia-saas-staging/.env"
-        echo "✅ .env uploaded to staging server"
-
         # 通过环境变量传递凭证，避免命令行引号转义问题
         cat scripts/ci_staging_deploy.sh | ssh -p "$staging_port" -i "$key_path" -o StrictHostKeyChecking=no "${staging_user}@${staging_host}" "IMAGE_TAG=${GITHUB_SHA} ACR_USERNAME=${ACR_USERNAME} ACR_PASSWORD=${ACR_PASSWORD} sh"
 
-        # 清理 CI runner 上的渲染文件
-        rm -f .env.rendered
-
     - name: Staging health check + auto rollback
       if: success()
       shell: sh
@@ -1462,7 +1414,7 @@ jobs:
       - unit-tests
       - frontend-lint
       - frontend-unit-test
-    if: github.event_name == 'push' && github.ref_name == 'main' && !failure() && !cancelled()
+    if: startsWith(github.ref, 'refs/tags/v') || (github.event_name == 'push' && github.ref_name == 'main')
     strategy:
       fail-fast: false
       matrix:
@@ -1546,7 +1498,11 @@ jobs:
         set -eu
         REGISTRY="xiaoxia-registry.cn-hangzhou.cr.aliyuncs.com/xiaoxiakeji"
         # 根据ref类型设置镜像标签：tag用版本号，分支用分支名+sha
-        TAG_NAME="${GITHUB_SHA}"
+        if [[ "$GITHUB_REF" == refs/tags/* ]]; then
+          TAG_NAME="${GITHUB_REF_NAME}"
+        else
+          TAG_NAME="${GITHUB_REF_NAME}-${GITHUB_SHA::8}"
+        fi
         IMAGE_TAG="${REGISTRY}/${{ matrix.image_name }}:${TAG_NAME}"
         CACHE_REF="${REGISTRY}/${{ matrix.cache_name }}:main"
 
@@ -1608,7 +1564,7 @@ jobs:
     concurrency:
       group: deploy-production-${{ gitea.ref }}
       cancel-in-progress: false
-    if: github.event_name == 'push' && github.ref_name == 'main'
+    if: startsWith(github.ref, 'refs/tags/v')
     needs:
     - build-production
     steps:
@@ -1681,7 +1637,7 @@ jobs:
         echo "SSH connection verified"
 
         # 通过环境变量传递凭证，避免命令行引号转义问题
-        cat scripts/ci_production_deploy.sh | ssh -p "$production_port" -i "$key_path" -o StrictHostKeyChecking=no "${production_user}@${production_host}" "IMAGE_TAG=${GITHUB_SHA} ACR_USERNAME=${ACR_USERNAME} ACR_PASSWORD=${ACR_PASSWORD} sh"
+        cat scripts/ci_production_deploy.sh | ssh -p "$production_port" -i "$key_path" -o StrictHostKeyChecking=no "${production_user}@${production_host}" "IMAGE_TAG=${GITHUB_REF_NAME} ACR_USERNAME=${ACR_USERNAME} ACR_PASSWORD=${ACR_PASSWORD} sh"
 
     - name: Production health check + auto rollback
       if: success()
@@ -1740,7 +1696,7 @@ jobs:
     name: Production Browser E2E
     runs-on: runtime-builder
     timeout-minutes: 15
-    # if: removed - runs after deploy-production succeeds
+    if: startsWith(github.ref, 'refs/tags/v')
     needs: deploy-production
     steps:
     - name: Checkout code
@@ -2060,11 +2016,6 @@ jobs:
               echo "  ⏳ $name: pending（审查中，暂不阻塞）"
               continue
             fi
-            # Security scan cancelled/failed时不阻塞部署（runner故障不应卡住流水线）
-            if [ "$name" = "validate-security" ] && { [ "$result" = "cancelled" ] || [ "$result" = "failure" ]; }; then
-              echo "  ⚠️  $name: $result（安全扫描为非阻塞项，不卡住部署）"
-              continue
-            fi
             check_job "$name" "$result"
           done
 

.gitea/workflows/playwright-base-image.yml

@@ -1,59 +0,0 @@
-name: Playwright Base Image Build
-
-on:
-  workflow_dispatch:
-    inputs:
-      reason:
-        description: "触发原因"
-        required: false
-        default: "构建 playwright 基础镜像"
-
-jobs:
-  build-playwright:
-    name: Build Playwright Base Image
-    runs-on: runtime-builder
-    timeout-minutes: 30
-    steps:
-    - name: Docker login to Gitea Registry
-      shell: sh
-      env:
-        GITEA_REGISTRY_USER: xiaoxia
-        GITEA_REGISTRY_TOKEN: ${{ secrets.REGISTRY_TOKEN }}
-      run: |
-        set -eu
-        for i in 1 2 3; do
-          echo "=== Docker login attempt $i/3 ==="
-          if printf '%s' "${GITEA_REGISTRY_TOKEN}" | docker login git.xiaoxiajianji.com -u "${GITEA_REGISTRY_USER}" --password-stdin; then
-            echo "Docker login successful"
-            break
-          fi
-          echo "Docker login failed (attempt $i/3), retrying in 5s..."
-          sleep 5
-          [ $i -eq 3 ] && exit 1
-        done
-
-    - name: Pull, retag and push Playwright image
-      shell: sh
-      run: |
-        set -eu
-        OFFICIAL_IMAGE="mcr.microsoft.com/playwright:v1.45.0-jammy"
-        GITEA_IMAGE="git.xiaoxiajianji.com/xiaoxia/base/playwright:v1.45.0-jammy"
-
-        echo "=== Pulling official Playwright image ==="
-        docker pull "${OFFICIAL_IMAGE}"
-
-        echo "=== Tagging ==="
-        docker tag "${OFFICIAL_IMAGE}" "${GITEA_IMAGE}"
-
-        echo "=== Pushing to Gitea Registry ==="
-        docker push "${GITEA_IMAGE}"
-
-        echo "Done: ${GITEA_IMAGE}"
-
-    - name: Cleanup
-      if: always()
-      shell: sh
-      run: |
-        docker rmi "mcr.microsoft.com/playwright:v1.45.0-jammy" 2>/dev/null || true
-        docker rmi "git.xiaoxiajianji.com/xiaoxia/base/playwright:v1.45.0-jammy" 2>/dev/null || true
-        echo "Cleanup done"

.gitea/workflows/pr-auto-scan.yml

@@ -3,7 +3,7 @@ name: PR Auto Scan
 # 作为短作业模式的兜底，防止事件驱动遗漏
 on:
   schedule:
-    # - cron: "*/15 * * * *"  # DISABLED: temporarily to stop failure spam (2026-09-02)  # 每10分钟扫描一次（脚本自带240s墙钟上限，降频减负）
+    - cron: "*/10 * * * *"  # 每10分钟扫描一次（脚本自带240s墙钟上限，降频减负）
   workflow_dispatch:
 
 permissions:

.gitea/workflows/pr-automation.yml

@@ -18,7 +18,7 @@ jobs:
     name: Auto Approve on CI Green
     runs-on: ci-check
     if: github.event_name == 'pull_request' && !github.event.pull_request.draft
-    timeout-minutes: 10  # 等待CI全绿+审批，需要充足时间
+    timeout-minutes: 3  # 长等待模式：等CI全绿后自动合并，不遗漏任何PR
     steps:
       - name: Checkout code
         shell: sh
@@ -61,8 +61,7 @@ jobs:
     name: Auto Merge on CI Green + Approved
     runs-on: ci-check
     if: github.event_name == 'pull_request' && !github.event.pull_request.draft && github.event.pull_request.base.ref == 'develop'
-    needs: [auto-approve]  # 修复竞态：必须等审批完成后再尝试合并
-    timeout-minutes: 15  # 等待审批+CI就绪+合并，需要充足时间
+    timeout-minutes: 3  # 短作业模式：检查一次，不满足就退出，由pr-auto-scan每5分钟定时兜底
     steps:
       - name: Checkout code
         shell: sh

.gitignore

@@ -24,11 +24,6 @@ ruff_cache/
 .env.production
 .env.staging
 !.env.example
-# 配置模板不受忽略规则限制
-!deploy/configs/.env.staging
-!deploy/configs/.env.production
-# 渲染后的 env 文件包含真实密钥，绝不能提交
-.env.rendered
 
 # OS / editor
 .DS_Store
@@ -59,4 +54,3 @@ frontend-v21-ui-prototype-final.html
 !.vscode/settings.json
 .vscode/extensions.json
 .coverage
-.env.current

README.md

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

alembic/versions/034_add_confirm_generation_fields.py

@@ -0,0 +1,60 @@
+"""Add confirm generation fields
+
+Revision ID: 034
+Revises: 033
+Create Date: 2026-07-08
+
+确认生成 API 改造：为 generation_tasks 表添加 is_preview、source_task_id、
+output_width、output_height、cover_url、custom_title 字段。
+"""
+
+import sqlalchemy as sa
+
+from alembic import op
+
+revision = "034"
+down_revision = "033"
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    op.add_column(
+        "generation_tasks",
+        sa.Column("is_preview", sa.Boolean(), nullable=False, server_default=sa.true()),
+    )
+    op.add_column(
+        "generation_tasks",
+        sa.Column("source_task_id", sa.String(32), nullable=False, server_default=""),
+    )
+    op.add_column(
+        "generation_tasks",
+        sa.Column("output_width", sa.Integer(), nullable=False, server_default=sa.text("1280")),
+    )
+    op.add_column(
+        "generation_tasks",
+        sa.Column("output_height", sa.Integer(), nullable=False, server_default=sa.text("720")),
+    )
+    op.add_column(
+        "generation_tasks",
+        sa.Column("cover_url", sa.String(1000), nullable=False, server_default=""),
+    )
+    op.add_column(
+        "generation_tasks",
+        sa.Column("custom_title", sa.String(500), nullable=False, server_default=""),
+    )
+    op.create_index(
+        op.f("ix_generation_tasks_source_task_id"),
+        "generation_tasks",
+        ["source_task_id"],
+    )
+
+
+def downgrade() -> None:
+    op.drop_index(op.f("ix_generation_tasks_source_task_id"), table_name="generation_tasks")
+    op.drop_column("generation_tasks", "custom_title")
+    op.drop_column("generation_tasks", "cover_url")
+    op.drop_column("generation_tasks", "output_height")
+    op.drop_column("generation_tasks", "output_width")
+    op.drop_column("generation_tasks", "source_task_id")
+    op.drop_column("generation_tasks", "is_preview")

alembic/versions/061_add_sort_order_to_template_categories.py

@@ -1,26 +0,0 @@
-"""add sort_order to template_categories
-
-Revision ID: 061_sort_order
-Revises: 060_migrate_segments
-Create Date: 2026-09-02
-"""
-
-import sqlalchemy as sa
-
-from alembic import op
-
-revision = "061_sort_order"
-down_revision = "060_migrate_segments"
-branch_labels = None
-depends_on = None
-
-
-def upgrade() -> None:
-    op.add_column(
-        "template_categories",
-        sa.Column("sort_order", sa.Integer, nullable=False, server_default="0"),
-    )
-
-
-def downgrade() -> None:
-    op.drop_column("template_categories", "sort_order")

alembic/versions/062_readd_edit_plan_id_to_generation_tasks.py

@@ -1,28 +0,0 @@
-"""re-add edit_plan_id to generation_tasks (align staging with production)
-
-Revision ID: 062_edit_plan_id
-Revises: 061_sort_order
-Create Date: 2026-09-02
-"""
-
-import sqlalchemy as sa
-
-from alembic import op
-
-revision = "062_edit_plan_id"
-down_revision = "061_sort_order"
-branch_labels = None
-depends_on = None
-
-
-def upgrade() -> None:
-    op.add_column(
-        "generation_tasks",
-        sa.Column("edit_plan_id", sa.String(36), nullable=True),
-    )
-    op.create_index("ix_generation_tasks_edit_plan_id_2", "generation_tasks", ["edit_plan_id"])
-
-
-def downgrade() -> None:
-    op.drop_index("ix_generation_tasks_edit_plan_id_2", table_name="generation_tasks")
-    op.drop_column("generation_tasks", "edit_plan_id")

alembic/versions/063_add_video_fingerprint_chunks.py

@@ -1,46 +0,0 @@
-"""add video_fingerprint_chunks table for per-chunk fingerprint storage
-
-Revision ID: 063_fingerprint_chunks
-Revises: 062_edit_plan_id
-Create Date: 2026-09-03
-"""
-
-import sqlalchemy as sa
-
-from alembic import op
-
-revision = "063_fingerprint_chunks"
-down_revision = "062_edit_plan_id"
-branch_labels = None
-depends_on = None
-
-
-def upgrade() -> None:
-    op.create_table(
-        "video_fingerprint_chunks",
-        sa.Column("id", sa.String(36), primary_key=True),
-        sa.Column("video_id", sa.String(36), nullable=False),
-        sa.Column("project_id", sa.String(36), nullable=False),
-        sa.Column("user_id", sa.String(36), nullable=False, server_default=""),
-        sa.Column("start_time_ms", sa.Integer, nullable=False),
-        sa.Column("end_time_ms", sa.Integer, nullable=False),
-        sa.Column("phash_binary", sa.String(16), nullable=False),
-        sa.Column("color_histogram", sa.JSON, nullable=False),
-        sa.Column("frame_count", sa.Integer, nullable=False, server_default="1"),
-        sa.Column(
-            "created_at",
-            sa.DateTime,
-            nullable=False,
-            server_default=sa.func.now(),
-        ),
-    )
-    op.create_index("ix_vfc_video_id", "video_fingerprint_chunks", ["video_id"])
-    op.create_index("ix_vfc_project_id", "video_fingerprint_chunks", ["project_id"])
-    op.create_index("ix_vfc_user_id", "video_fingerprint_chunks", ["user_id"])
-
-
-def downgrade() -> None:
-    op.drop_index("ix_vfc_user_id", table_name="video_fingerprint_chunks")
-    op.drop_index("ix_vfc_project_id", table_name="video_fingerprint_chunks")
-    op.drop_index("ix_vfc_video_id", table_name="video_fingerprint_chunks")
-    op.drop_table("video_fingerprint_chunks")

alembic/versions/064_add_match_count_visual_similarity.py

@@ -1,25 +0,0 @@
-"""add match_count and visual_similarity to generated_videos
-
-Revision ID: 064_match_count_visual_sim
-Revises: 063_fingerprint_chunks
-Create Date: 2026-09-03
-"""
-
-import sqlalchemy as sa
-
-from alembic import op
-
-revision = "064_match_count_visual_sim"
-down_revision = "063_fingerprint_chunks"
-branch_labels = None
-depends_on = None
-
-
-def upgrade() -> None:
-    op.add_column("generated_videos", sa.Column("match_count", sa.Integer(), nullable=True, server_default="0"))
-    op.add_column("generated_videos", sa.Column("visual_similarity", sa.Float(), nullable=True, server_default="0.0"))
-
-
-def downgrade() -> None:
-    op.drop_column("generated_videos", "visual_similarity")
-    op.drop_column("generated_videos", "match_count")

alembic/versions/065_add_visual_similarity_match_count_duplication.py

@@ -1,25 +0,0 @@
-"""add visual_similarity and match_count to duplication_records
-
-Revision ID: 065_dup_record_sim_match
-Revises: 064_match_count_visual_sim
-Create Date: 2026-09-04
-"""
-
-import sqlalchemy as sa
-
-from alembic import op
-
-revision = "065_dup_record_sim_match"
-down_revision = "064_match_count_visual_sim"
-branch_labels = None
-depends_on = None
-
-
-def upgrade() -> None:
-    op.add_column("duplication_records", sa.Column("visual_similarity", sa.Float(), nullable=True))
-    op.add_column("duplication_records", sa.Column("match_count", sa.Integer(), nullable=True))
-
-
-def downgrade() -> None:
-    op.drop_column("duplication_records", "match_count")
-    op.drop_column("duplication_records", "visual_similarity")

apps/api/app/api/routes/assets.py

@@ -290,7 +290,7 @@ def list_assets(
         else:
             total = asset_repository.count_by_project_ids(project_ids, status=status_list)
             # 跨项目分页：逐项目累积直到凑够一页
-            paged_items = []
+            paged_items: list = []
             offset = skip
             remaining = limit
             for pid in project_ids:

apps/api/app/api/routes/auth.py

@@ -456,7 +456,7 @@ async def wechat_callback(
     user = user_repository.find_by_id(response.user_id)
     binding_complete = False
     if user:
-        binding_complete = bool(
+        binding_complete = (
             user.phone_verified and user.email_verified and user.email and "@wechat.local" not in user.email
         )
 

apps/api/app/api/routes/duplication.py

@@ -7,7 +7,6 @@ from typing import Any
 from uuid import uuid4
 
 from app.auth import AuthenticatedUser, get_current_user
-from app.core.celery_app import celery_app
 from app.core.storage import OSSStorageService, get_storage_service
 from app.dependencies import get_duplication_repository
 from app.schemas.duplication import (
@@ -77,8 +76,6 @@ def _to_record_response(record: DuplicationRecord) -> DuplicationRecordResponse:
         status=record.status,
         duplicate_rate=record.duplicate_rate,
         duplicate_count=record.duplicate_count,
-        visual_similarity=getattr(record, "visual_similarity", None),
-        match_count=getattr(record, "match_count", None),
         created_at=record.created_at.isoformat(),
         updated_at=record.updated_at.isoformat(),
     )
@@ -93,8 +90,6 @@ def _to_detail_response(record: DuplicationRecord) -> DuplicationDetailResponse:
         status=record.status,
         duplicate_rate=record.duplicate_rate,
         duplicate_count=record.duplicate_count,
-        visual_similarity=getattr(record, "visual_similarity", None),
-        match_count=getattr(record, "match_count", None),
         created_at=record.created_at.isoformat(),
         updated_at=record.updated_at.isoformat(),
         segments=[
@@ -197,8 +192,6 @@ async def upload_for_duplication(
         authenticated_user.user.id,
     )
 
-    celery_app.send_task("worker.process_duplication_check", args=[record.id])
-
     return DuplicationUploadResponse(
         id=record.id,
         status=record.status,
@@ -303,8 +296,6 @@ def retry_duplication(
             detail=f"查重记录 {record_id} 不存在",
         )
 
-    celery_app.send_task("worker.process_duplication_check", args=[updated.id])
-
     return DuplicationUploadResponse(
         id=updated.id,
         status=updated.status,

apps/api/app/api/routes/generation_cover.py

@@ -513,7 +513,7 @@ def generate_cover(
         if generation_task_id:
             try:
                 task = gen_task_repo.get(generation_task_id)
-                if task and getattr(task, "cover_url", ""):  # type: ignore[arg-type]
+                if task and getattr(task, "cover_url", ""):
                     cover_url_from_task = task.cover_url
                     logger.info(
                         "[封面生成] 统一管道封面(步骤A-direct): plan_id=%s task_id=%s url=%s",
@@ -538,7 +538,7 @@ def generate_cover(
                     gv_task_id = getattr(gv, "generation_task_id", "") or ""
                     if gv_task_id:
                         task_a2 = gen_task_repo.get(gv_task_id)
-                        if task_a2 and getattr(task_a2, "cover_url", ""):  # type: ignore[arg-type]
+                        if task_a2 and getattr(task_a2, "cover_url", ""):
                             cover_url_from_task = task_a2.cover_url
                             logger.info(
                                 "[封面生成] 封面(步骤A2-video-task): plan_id=%s video_id=%s url=%s",
@@ -747,7 +747,7 @@ def generate_cover(
 
         if cover_url_from_task:
             # 标题已在预览视频渲染时烧录（ASS字幕），封面帧自然包含标题
-            cover_data: dict[str, object] = {  # type: ignore[no-redef]
+            cover_data = {
                 "type": "ai_frame",
                 "image_url": cover_url_from_task,
                 "frame_time": 0.0,

apps/api/app/api/routes/generation_preview.py

@@ -23,7 +23,6 @@ from app.dependencies import (
     get_generation_task_repository,
 )
 from app.schemas.generation_task import (
-    BatchPreviewGenerationTaskResponse,
     CreatePreviewGenerationTaskRequest,
     PreviewGenerationTaskResponse,
 )
@@ -99,7 +98,7 @@ def _resolve_strategy_id_from_template(template_id: str, db: Session, user_id: s
     try:
         new_repo = SQLAlchemyEditTemplateRepository(db)
         new_template = new_repo.get(template_id)
-        if new_template and getattr(new_template, "editing_mode", ""):  # type: ignore[arg-type]
+        if new_template and getattr(new_template, "editing_mode", ""):
             mode = new_template.editing_mode.strip()
             if mode:
                 logger.info(
@@ -194,19 +193,11 @@ def _to_preview_response(task, generated_videos: list | None = None) -> PreviewG
     if started_at and completed_at:
         generate_duration = (completed_at - started_at).total_seconds()
 
-    title_cfg = getattr(task, "title_config", None)
-    title_cfg = title_cfg if isinstance(title_cfg, dict) else {}
-    extra_meta = getattr(task, "extra_meta", None)
-    extra_meta = extra_meta if isinstance(extra_meta, dict) else {}
-    voice_library_id = getattr(task, "voice_library_id", "") or ""
-    if not isinstance(voice_library_id, str):
-        voice_library_id = str(voice_library_id) if voice_library_id else ""
     return PreviewGenerationTaskResponse(
         task_id=task.id,
         status=task.status.value if hasattr(task.status, "value") else str(task.status),
         progress=float(task.progress or 0.0),
         is_preview=bool(getattr(task, "is_preview", True)),
-        variant_index=int(extra_meta.get("variant_index", 0) or 0),
         resolution=getattr(task, "resolution", "") or "",
         video_url=video_url,
         duration=duration,
@@ -215,8 +206,6 @@ def _to_preview_response(task, generated_videos: list | None = None) -> PreviewG
         transition_count=transition_count,
         material_usage=material_usage,
         error_message=task.error_message or "",
-        title_text=str(title_cfg.get("text", "") or ""),
-        voice_library_id=voice_library_id,
         created_at=task.created_at,
         started_at=started_at,
         finished_at=completed_at,
@@ -224,95 +213,45 @@ def _to_preview_response(task, generated_videos: list | None = None) -> PreviewG
     )
 
 
-def _resolve_preview_edit_plan_id(
-    *,
-    request: CreatePreviewGenerationTaskRequest,
-    task,
-    db: Session,
-    user_id: str,
-) -> str:
-    """确定任务关联的编辑计划ID：优先前端传入，否则按 template_id+user 兜底查找。"""
-    if task.source_edit_plan_id:
-        return task.source_edit_plan_id
-    if not request.template_id:
-        return ""
-    try:
-        from packages.adapters.sqlalchemy_impl.edit_plan_repository import (
-            SQLAlchemyEditPlanRepository,
-        )
-
-        _plan_repo = SQLAlchemyEditPlanRepository(db)
-        _plans = _plan_repo.list_by_template(request.template_id, limit=20)
-        for _p in _plans:
-            if (_p.created_by_user_id or "") == user_id:
-                logger.info(
-                    "[预览生成] 自动关联编辑计划: task_id=%s plan_id=%s",
-                    task.id,
-                    _p.id,
-                )
-                return _p.id
-    except Exception:
-        logger.warning(
-            "[预览生成] 查找关联编辑计划失败（不影响主流程）: task_id=%s",
-            task.id,
-            exc_info=True,
-        )
-    return ""
-
-
-def _variant_value(values: list[str], index: int, fallback: str = "") -> str:
-    """从变体数组中取值：长度1=共用，长度>N=按索引，空数组=回退 fallback。"""
-    if not values:
-        return fallback
-    if len(values) == 1:
-        return values[0]
-    return values[index] if index < len(values) else fallback
-
-
-@router.post("/preview", response_model=BatchPreviewGenerationTaskResponse, status_code=201)
+@router.post("/preview", response_model=PreviewGenerationTaskResponse, status_code=201)
 def create_preview_generation_task(
     request: CreatePreviewGenerationTaskRequest,
     authenticated_user: AuthenticatedUser = Depends(get_current_user),
     generation_task_repository=Depends(get_generation_task_repository),
     db: Session = Depends(get_db_session),
     asset_repo=Depends(get_asset_repository),
-) -> BatchPreviewGenerationTaskResponse:
-    """创建预览生成任务（支持批量）。
+) -> PreviewGenerationTaskResponse:
+    """创建预览生成任务。
 
-    preview_count=1 时行为与旧版完全一致（创建 1 个任务）；
-    preview_count=N 时一次创建 N 个独立变体任务：
-    - 每个变体克隆独立编辑计划（独立 clips、独立随机素材起点），N 个预览内容互不相同
-    - 每个变体拥有独立 task_id / 状态 / 预览视频 URL，前端按 task_id 分别轮询
-    - 标题样式（font/color/position 等）全局共用；标题文字/配音/封面可按变体独立
-      （titles[] / voice_library_ids[] / cover_urls[]，长度1=共用，长度N=独立）
+    预览渲染品质与正式生成一致（1080p, CRF 23, medium preset），确认生成时可直接复用预览产物。
+
+    Args:
+        request: 预览任务创建请求（template_id + asset_ids 等）
 
     Returns:
-        201 + 变体任务数组 {items: [...], total: N}
+        201 + 预览任务详情
     """
     user_id = authenticated_user.user.id
-    count = max(1, request.preview_count)
     logger.info(
         "[预览生成] 接收请求: user_id=%s, template_id=%s, asset_count=%d, preview_count=%d",
         user_id,
         request.template_id,
         len(request.asset_ids),
-        count,
+        request.preview_count,
     )
 
-    # 预检查队列限流（按变体总数计）
+    # 预检查队列限流
     try:
         user_pending = generation_task_repository.count_pending_by_user(user_id)
         global_pending = generation_task_repository.count_pending_total()
-        if user_pending + count > USER_PENDING_LIMIT:
-            raise UserPendingLimitExceeded(
-                user_id=user_id, pending_count=user_pending + count, limit=USER_PENDING_LIMIT
-            )
-        if global_pending + count > GLOBAL_PENDING_LIMIT:
-            raise GlobalQueueFull(pending_count=global_pending + count, limit=GLOBAL_PENDING_LIMIT)
+        if user_pending + 1 > USER_PENDING_LIMIT:
+            raise UserPendingLimitExceeded(user_id=user_id, pending_count=user_pending + 1, limit=USER_PENDING_LIMIT)
+        if global_pending + 1 > GLOBAL_PENDING_LIMIT:
+            raise GlobalQueueFull(pending_count=global_pending + 1, limit=GLOBAL_PENDING_LIMIT)
     except UserPendingLimitExceeded as e:
         raise HTTPException(
             status_code=429,
-            detail=f"您的待处理任务过多（当前 {e.pending_count - count}/{e.limit}，本次提交 {count} 个），请等待后再提交",
+            detail=f"您的待处理任务过多（当前 {e.pending_count - 1}/{e.limit}），请等待后再提交",
         ) from e
     except GlobalQueueFull as e:
         raise HTTPException(
@@ -334,11 +273,14 @@ def create_preview_generation_task(
                 w, h = int(parts[0]), int(parts[1])
                 base = 1920
                 if w < h:
+                    # 竖屏
                     output_width = round(base * w / h)
                     output_height = base
                 else:
+                    # 横屏
                     output_width = base
                     output_height = round(base * h / w)
+                # 对齐到偶数
                 output_width = output_width - output_width % 2
                 output_height = output_height - output_height % 2
             except (ValueError, ZeroDivisionError):
@@ -347,71 +289,42 @@ def create_preview_generation_task(
 
     logger.info(
         "[预览生成] 分辨率: video_ratio=%s → %s (%dx%d)",
-        video_ratio,
-        resolution,
-        output_width,
-        output_height,
+        video_ratio, resolution, output_width, output_height,
     )
 
+    # 从模板读取 editing_mode / mode 作为 strategy_id（渲染 pipeline 的 mode 参数）
     strategy_id = _resolve_strategy_id_from_template(request.template_id, db, user_id)
-    base_title_config = request.title_config or {}
+
+    title_config = request.title_config or {}
 
     use_case = CreateGenerationTaskUseCase(generation_task_repository)
 
-    # ── 预创建第一个任务，仅用于解析源编辑计划（不落库为最终任务）──
-    # 先创建一个临时任务拿到 task 对象上下文，实际 N 个任务在循环中统一创建；
-    # 为保持与旧版一致的源 plan 解析逻辑，先创建任务0、解析源 plan，
-    # 再预克隆 N 个变体 plan，最后重建任务关联。
-    # 简化实现：直接创建全部任务，plan 关联在创建后、入队前完成。
-
-    created_tasks: list = []
-    variant_plan_ids: list[str] = []  # 每个变体最终关联的 plan_id（按变体顺序）
-
     try:
-        for variant_index in range(count):
-            # 变体独立标题文字：titles[] 覆盖 title_config.text
-            variant_title_text = _variant_value(request.titles, variant_index, "")
-            variant_title_config = dict(base_title_config)
-            if variant_title_text.strip():
-                variant_title_config["text"] = variant_title_text.strip()
-
-            # 变体独立配音
-            variant_voice_library_id = _variant_value(
-                request.voice_library_ids, variant_index, request.voice_library_id
+        task = use_case.execute(
+            CreateGenerationTaskCommand(
+                project_id="",
+                asset_library_id="",
+                strategy_id=strategy_id,
+                voice_library_id=request.voice_library_id,
+                template_id=request.template_id,
+                asset_ids=list(request.asset_ids),
+                title_ids=list(request.title_ids),
+                voice_ids=list(request.voice_ids),
+                created_by_user_id=user_id,
+                source_edit_plan_id=request.source_edit_plan_id,
+                asset_select_mode="",
+                batch_id="",
+                video_title=request.video_title,
+                resolution=resolution,
+                bgm_config=request.bgm_config or {},
+                auto_retry_enabled=False,
+                auto_retry_max=0,
+                is_preview=True,
+                title_config=title_config,
+                output_width=output_width,
+                output_height=output_height,
             )
-
-            task = use_case.execute(
-                CreateGenerationTaskCommand(
-                    project_id="",
-                    asset_library_id="",
-                    strategy_id=strategy_id,
-                    voice_library_id=variant_voice_library_id,
-                    template_id=request.template_id,
-                    asset_ids=list(request.asset_ids),
-                    title_ids=list(request.title_ids),
-                    voice_ids=list(request.voice_ids),
-                    created_by_user_id=user_id,
-                    source_edit_plan_id=request.source_edit_plan_id,
-                    asset_select_mode="",
-                    batch_id="",
-                    video_title=request.video_title,
-                    resolution=resolution,
-                    bgm_config=request.bgm_config or {},
-                    auto_retry_enabled=False,
-                    auto_retry_max=0,
-                    is_preview=True,
-                    title_config=variant_title_config,
-                    output_width=output_width,
-                    output_height=output_height,
-                )
-            )
-            task.extra_meta["variant_index"] = variant_index
-
-            # 解析源编辑计划（前端传入或按模板兜底查找）
-            source_plan_id = _resolve_preview_edit_plan_id(request=request, task=task, db=db, user_id=user_id)
-            task.source_edit_plan_id = source_plan_id
-            generation_task_repository.update(task)
-            created_tasks.append(task)
+        )
     except ValueError as e:
         logger.warning("[预览生成] 创建失败: %s", e)
         raise HTTPException(status_code=400, detail=str(e)) from e
@@ -419,121 +332,93 @@ def create_preview_generation_task(
         logger.error("[预览生成] 创建失败: %s", e, exc_info=True)
         raise HTTPException(status_code=500, detail="创建预览生成任务失败，请稍后再试") from e
 
-    # ── 克隆独立变体 plan：N 个预览全部克隆（预览不污染源 plan）──
-    # 源 plan 不存在（无编辑历史）时各任务走自身随机选片流程，不克隆。
-    source_plan_id = created_tasks[0].source_edit_plan_id if created_tasks else ""
-    if source_plan_id:
+    # 关联编辑计划：如果前端未传 source_edit_plan_id，通过 template_id + user_id 查找
+    if not task.source_edit_plan_id and request.template_id:
+        try:
+            from packages.adapters.sqlalchemy_impl.edit_plan_repository import (
+                SQLAlchemyEditPlanRepository,
+            )
+
+            _plan_repo = SQLAlchemyEditPlanRepository(db)
+            _plans = _plan_repo.list_by_template(request.template_id, limit=20)
+            for _p in _plans:
+                if (_p.created_by_user_id or "") == user_id:
+                    task.source_edit_plan_id = _p.id
+                    generation_task_repository.update(task)
+                    logger.info(
+                        "[预览生成] 自动关联编辑计划: task_id=%s plan_id=%s",
+                        task.id,
+                        _p.id,
+                    )
+                    break
+        except Exception:
+            logger.warning(
+                "[预览生成] 查找关联编辑计划失败（不影响主流程）: task_id=%s",
+                task.id,
+                exc_info=True,
+            )
+
+    # 每条预览都关联独立克隆 plan：多预览前端为 N 次并发调用，若共用同一 plan
+    # 则 N 条预览片段完全相同；克隆时片段起点按持久化历史区间重算（含受控复用），
+    # 保证各预览版本内容不同
+    if task.source_edit_plan_id:
         try:
             from app.services.edit_plan_service import EditPlanService
 
             _plan_svc = EditPlanService(db)
-            for variant_index in range(count):
-                last_err: Exception | None = None
-                variant_plan = None
-                for _attempt in range(2):  # 1 次重试，抗 DB 瞬时抖动
-                    try:
-                        variant_plan = _plan_svc.clone_plan_for_variant(
-                            source_plan_id,
-                            created_by_user_id=user_id,
-                            name_suffix=f"预览变体{variant_index + 1}" if count > 1 else "预览变体",
-                        )
-                        break
-                    except Exception as clone_err:  # noqa: PERF203
-                        last_err = clone_err
-                        logger.warning(
-                            "[预览生成] 克隆变体 plan 失败(尝试%d/2): variant=%d error=%s",
-                            _attempt + 1,
-                            variant_index,
-                            clone_err,
-                            exc_info=True,
-                        )
-                if variant_plan is None:
-                    logger.error(
-                        "[预览生成] 克隆预览变体 plan 重试仍失败: variant=%d source=%s",
-                        variant_index,
-                        source_plan_id,
-                        exc_info=last_err,
-                    )
-                    # 标记已创建任务失败
-                    for t in created_tasks:
-                        _mark_task_failed(generation_task_repository, t, "预览变体计划创建失败")
-                    raise HTTPException(
-                        status_code=500,
-                        detail="创建预览任务失败：无法生成独立剪辑计划，请重试",
-                    ) from last_err
-                variant_plan_ids.append(variant_plan.id)
-        except HTTPException:
-            raise
-        except Exception as e:
-            logger.error("[预览生成] 克隆变体 plan 异常: %s", e, exc_info=True)
-            for t in created_tasks:
-                _mark_task_failed(generation_task_repository, t, "预览变体计划创建失败")
+            _preview_plan = _plan_svc.clone_plan_for_variant(
+                task.source_edit_plan_id,
+                created_by_user_id=user_id,
+                name_suffix="预览变体",
+            )
+            task.source_edit_plan_id = _preview_plan.id
+            generation_task_repository.update(task)
+            logger.info(
+                "[预览生成] 预览关联独立克隆 plan: task_id=%s clone_plan_id=%s",
+                task.id,
+                _preview_plan.id,
+            )
+        except Exception as clone_err:
+            # 不退回共用原 plan（否则多条预览内容相同，违反去重诉求）：
+            # 标记任务失败并中断，前端可重新发起预览
+            logger.error(
+                "[预览生成] 克隆预览变体 plan 失败，任务标记失败: task_id=%s error=%s",
+                task.id,
+                clone_err,
+                exc_info=True,
+            )
+            _mark_task_failed(generation_task_repository, task, "预览变体计划创建失败")
             raise HTTPException(
                 status_code=500,
                 detail="创建预览任务失败：无法生成独立剪辑计划，请重试",
-            ) from e
+            ) from clone_err
 
-    # 关联变体 plan 并回写标题配置
-    for variant_index, task in enumerate(created_tasks):
-        if variant_plan_ids:
-            task.source_edit_plan_id = variant_plan_ids[variant_index]
-            generation_task_repository.update(task)
-        # 回写变体标题到 plan config（worker 渲染时从 plan 读取 title 配置）
-        if task.source_edit_plan_id and (task.title_config or {}).get("text", "").strip():
-            try:
-                from app.api.routes.generation_tasks import _writeback_edit_plan_config
+    # 入队执行；若入队失败则标记任务为 failed 避免僵尸数据
+    try:
+        if not safe_enqueue_generation_task(
+            task,
+            generation_task_repository,
+            user_id=user_id,
+            log_prefix="[预览生成]",
+            log_task_status=True,
+        ):
+            logger.warning("[预览生成] 任务入队失败: task_id=%s", task.id)
+            _mark_task_failed(generation_task_repository, task, "任务入队失败")
+            raise HTTPException(status_code=500, detail="任务入队失败，请稍后重试")
+    except UserPendingLimitExceeded as e:
+        _mark_task_failed(generation_task_repository, task, "待处理任务超限")
+        raise HTTPException(
+            status_code=429,
+            detail=f"您的待处理任务过多（当前 {e.pending_count - 1}/{e.limit}），请等待后再提交",
+        ) from None
+    except GlobalQueueFull:
+        _mark_task_failed(generation_task_repository, task, "系统队列已满")
+        raise HTTPException(
+            status_code=503,
+            detail="系统繁忙，请稍后再试",
+        ) from None
 
-                _writeback_edit_plan_config(
-                    plan_id=task.source_edit_plan_id,
-                    task_id=task.id,
-                    title_config=task.title_config,
-                    db=db,
-                )
-            except Exception:
-                logger.warning(
-                    "[预览生成] 回写标题配置失败（不影响主流程）: task_id=%s",
-                    task.id,
-                    exc_info=True,
-                )
-
-    # ── 入队 ──
-    responses: list[PreviewGenerationTaskResponse] = []
-    for variant_index, task in enumerate(created_tasks):
-        try:
-            enqueued = safe_enqueue_generation_task(
-                task,
-                generation_task_repository,
-                user_id=user_id,
-                log_prefix=f"[预览生成][变体{variant_index + 1}]",
-                log_task_status=True,
-            )
-            if not enqueued:
-                logger.warning("[预览生成] 任务入队失败: task_id=%s", task.id)
-                _mark_task_failed(generation_task_repository, task, "任务入队失败")
-        except UserPendingLimitExceeded:
-            _mark_task_failed(generation_task_repository, task, "待处理任务超限")
-        except GlobalQueueFull:
-            _mark_task_failed(generation_task_repository, task, "系统队列已满")
-        except Exception:
-            logger.exception("[预览生成] 入队异常: task_id=%s", task.id)
-            _mark_task_failed(generation_task_repository, task, "任务入队异常")
-        # enqueue 会原地更新 task 状态/进度，直接用 task 构造响应
-        responses.append(_to_preview_response(task))
-
-    # 队列满/限流时若全部失败，返回明确错误码
-    if all(r.status == "failed" for r in responses):
-        first_err = next((r.error_message for r in responses if r.error_message), "")
-        if "待处理任务" in first_err:
-            raise HTTPException(status_code=429, detail=first_err or "待处理任务超限")
-        if "队列" in first_err:
-            raise HTTPException(status_code=503, detail=first_err or "系统繁忙，请稍后再试")
-
-    logger.info(
-        "[预览生成] 创建完成: %d 个变体任务, task_ids=%s",
-        len(responses),
-        [r.task_id for r in responses],
-    )
-    return BatchPreviewGenerationTaskResponse(items=responses, total=len(responses))
+    return _to_preview_response(task)
 
 
 @router.get("/preview/{task_id}", response_model=PreviewGenerationTaskResponse)

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

@@ -47,15 +47,6 @@ logger = logging.getLogger(__name__)
 router = APIRouter()
 
 
-def _variant_value(values: list[str], index: int, fallback: str = "") -> str:
-    """从变体数组中取值：长度1=共用，长度>N=按索引，空数组=回退 fallback。"""
-    if not values:
-        return fallback
-    if len(values) == 1:
-        return values[0]
-    return values[index] if index < len(values) else fallback
-
-
 def _to_generation_task_response(task) -> GenerationTaskResponse:
     return GenerationTaskResponse(
         id=task.id,
@@ -101,9 +92,6 @@ def _to_generated_video_response(item, download_url: str | None = None) -> Gener
         height=item.height,
         fps=item.fps,
         download_url=download_url,
-        duplicate_rate=getattr(item, "duplicate_rate", None),
-        visual_similarity=getattr(item, "visual_similarity", None),
-        match_count=getattr(item, "match_count", None),
     )
 
 
@@ -149,6 +137,7 @@ def _select_assets_from_library(
     return [a.id for a in ready_video_assets]
 
 
+
 def _writeback_edit_plan_config(
     plan_id: str,
     task_id: str,
@@ -173,7 +162,7 @@ def _writeback_edit_plan_config(
         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 {}
@@ -185,12 +174,10 @@ def _writeback_edit_plan_config(
                     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,
+                        plan_id, old_title_text, new_title_text,
                     )
             merged["title_config"] = title_config
-
+        
         plan_model.config = merged
         db.commit()
         logger.info(
@@ -398,7 +385,7 @@ def create_generation_task(
 
     use_case = CreateGenerationTaskUseCase(generation_task_repository)
     count = request.count
-    created_tasks: list = []
+    created_tasks = []
     failed_tasks = []
     user_id = authenticated_user.user.id
     # 同批次任务共享 batch_id，用于视频查重时批次内比对
@@ -481,21 +468,12 @@ def create_generation_task(
             if task_index > 0 and variant_plan_ids:
                 effective_plan_id = variant_plan_ids[task_index - 1]
 
-            # 变体级独立配置：titles[]/voice_library_ids[]/cover_urls[]
-            # 长度1=所有变体共用，长度=count=每个变体独立，空数组=回退单值字段
-            variant_title_text = _variant_value(request.titles, task_index, "")
-            variant_title_config = dict(request.title_config or {})
-            if variant_title_text.strip():
-                variant_title_config["text"] = variant_title_text.strip()
-            variant_voice_library_id = _variant_value(request.voice_library_ids, task_index, request.voice_library_id)
-            variant_cover_url = _variant_value(request.cover_urls, task_index, request.cover_url)
-
             task = use_case.execute(
                 CreateGenerationTaskCommand(
                     project_id=project_id,
                     asset_library_id=asset_library_id,
                     strategy_id=effective_strategy_id,
-                    voice_library_id=variant_voice_library_id,
+                    voice_library_id=request.voice_library_id,
                     template_id=request.template_id,
                     asset_ids=resolved_asset_ids,
                     title_ids=request.title_ids,
@@ -513,12 +491,10 @@ def create_generation_task(
                     source_task_id=request.source_task_id,
                     output_width=request.output_width,
                     output_height=request.output_height,
-                    cover_url=variant_cover_url,
-                    title_config=variant_title_config,
+                    cover_url=request.cover_url,
+                    title_config=request.title_config or {},
                 )
             )
-            # 变体序号写入 extra_meta（响应/排查时可辨识）
-            task.extra_meta["variant_index"] = task_index
             try:
                 # 兜底关联编辑计划：前端未传 source_edit_plan_id 时，
                 # 通过 template_id + user_id 在 DB 层直接查找最新的 plan。
@@ -553,13 +529,13 @@ def create_generation_task(
 
                 # 回写 plan.config：必须在 enqueue 之前执行，
                 # 确保 worker 读取 plan 时 config 中已包含 generation_task_id。
-                # 批量场景下每个变体关联独立 plan，需各自回写自己的变体标题配置。
+                # 只在首个任务时回写一次，避免批量生成时循环覆盖。
                 _effective_plan_id = task.source_edit_plan_id
-                if _effective_plan_id:
+                if _effective_plan_id and len(created_tasks) == 0:
                     _writeback_edit_plan_config(
                         plan_id=_effective_plan_id,
                         task_id=task.id,
-                        title_config=variant_title_config,
+                        title_config=request.title_config,
                         db=db,
                     )
 

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

@@ -23,10 +23,6 @@ import re
 from app.auth import AuthenticatedUser, get_current_user
 from app.core.storage import get_storage_service
 from app.dependencies import get_asset_repository, get_db_session
-
-# 默认转场时长（与 worker 端保持一致）
-_DEFAULT_TRANSITION_DURATION = 0.5
-
 from app.services.asset_segment_tracker import (
     REUSE_RATIO_LIMIT,
     SEGMENT_EDGE_GAP,
@@ -47,14 +43,7 @@ from packages.adapters.sqlalchemy_impl.template_clip_config_repository import (
 from packages.adapters.sqlalchemy_impl.template_repository import (
     SQLAlchemyTemplateRepository,
 )
-from packages.domain.plan_generator_utils import (
-    _calc_random_start_time,
-    build_scene_segments,
-    extract_scene_points_from_metadata,
-    pick_scene_aware_start,
-    pick_start_in_scene_segment,
-)
-from packages.domain.smart_match import SCORE_RANDOM_NOISE_MAX, score_asset
+from packages.domain.plan_generator_utils import _calc_random_start_time
 from packages.shared.mediakit_client import get_mediakit_client
 
 from .dependencies import get_draft_plan_id, get_editor_services
@@ -481,12 +470,6 @@ def _recommended_time_conflicts(
     return False
 
 
-# 向后兼容别名：镜头段构建/段内取点逻辑已下沉到 packages.domain.plan_generator_utils，
-# 旧测试与历史代码仍按 clips._build_scene_segments / _pick_start_in_scene_segment 导入
-_build_scene_segments = build_scene_segments
-_pick_start_in_scene_segment = pick_start_in_scene_segment
-
-
 def _get_mediakit_recommendations(
     asset_ids: list[str],
     asset_repo,
@@ -599,47 +582,6 @@ def _get_mediakit_recommendations(
         return {}
 
 
-def _calc_plan_internal_duplicate_rate(clips_data: list[dict]) -> float:
-    """估算单条成片内部重复率（%）.
-
-    检查本条成片中同一素材是否有重叠的时间区间。
-    重叠时长 / 成片总时长 * 100 = 内部重复率。
-    这是一个轻量估算，不依赖视频指纹；完整查重由 worker 异步完成。
-    """
-    if not clips_data:
-        return 0.0
-
-    # 按素材分组
-    by_asset: dict[str, list[tuple[float, float]]] = {}
-    total_duration = 0.0
-    for c in clips_data:
-        aid = c.get("asset_id", "")
-        if not aid:
-            continue
-        start = c.get("start_time", 0.0)
-        end = start + c.get("duration", 0.0)
-        by_asset.setdefault(aid, []).append((start, end))
-        total_duration += c.get("duration", 0.0)
-
-    if total_duration <= 0:
-        return 0.0
-
-    # 检查同素材内的区间重叠
-    overlap_duration = 0.0
-    for segments in by_asset.values():
-        if len(segments) < 2:
-            continue
-        segments_sorted = sorted(segments, key=lambda s: s[0])
-        last_end = segments_sorted[0][1]
-        for start, end in segments_sorted[1:]:
-            overlap = max(0.0, min(end, last_end) - start)
-            if overlap > 0:
-                overlap_duration += overlap
-            last_end = max(last_end, end)
-
-    return round(overlap_duration / total_duration * 100, 1)
-
-
 @router.post("/clips/from-assets", response_model=ClipsFromAssetsResponse)
 def create_clips_from_assets_editor(
     template_id: str,
@@ -684,26 +626,10 @@ def create_clips_from_assets_editor(
     # 2. 获取素材实际时长（去重查询）
     unique_asset_ids = list(dict.fromkeys(asset_ids))
     asset_durations: dict[str, float] = {}
-    asset_smart_scores: dict[str, float] = {}
-    # 素材 metadata 中缓存的场景切换点（由后台 MediaKit SceneChange 检测写入）：
-    # 有缓存时片段起点从随机镜头段中选取（不同片段来自不同镜头），无缓存回退随机起点
-    asset_scene_points: dict[str, list[float]] = {}
     for asset_id in unique_asset_ids:
         asset = asset_repo.get(asset_id)
         if asset and hasattr(asset, "duration"):
             asset_durations[asset_id] = float(asset.duration or 0.0)
-            # 计算 smart_match 综合评分，用于候选排序
-            smart_score, _ = score_asset(asset)
-            asset_smart_scores[asset_id] = smart_score
-            # 读取场景切换点缓存（新素材未检测过时为 None，走随机起点兜底）
-            cached_points = extract_scene_points_from_metadata(getattr(asset, "metadata", None))
-            if cached_points:
-                asset_scene_points[asset_id] = cached_points
-    logger.info(
-        "from-assets 场景缓存命中: %d/%d 个素材有场景切换点",
-        len(asset_scene_points),
-        len(unique_asset_ids),
-    )
 
     # 3. 在内存中计算所有片段数据（使用随机起始时间，不调用MediaKit）
     # 读取素材 metadata 中持久化的历史已用区间（跨任务/跨调用去重），
@@ -736,52 +662,19 @@ def create_clips_from_assets_editor(
             return False
         return reused_durations.get(aid, 0.0) / assigned > REUSE_RATIO_LIMIT
 
-    # 素材耗尽标志：某轮循环中所有素材均被跳过时为 True
-    all_assets_exhausted = False
-
-    # 计算转场重叠补偿：每个 clip 需要额外增加的时长
-    # 目标：渲染后视频总时长 = 模板设定的各片段时长之和
-    # 公式：每 clip 增加 (n_segments - 1) * td / n_segments
-    n_segments = len(segments)
-    if n_segments > 1:
-        transition_compensation = (n_segments - 1) * _DEFAULT_TRANSITION_DURATION / n_segments
-    else:
-        transition_compensation = 0.0
-
-    # 打乱 segments 的处理顺序（分配素材的顺序随机化），但最终 clips_data 按原始 order 排序
-    shuffled_indices = list(range(len(segments)))
-    random.shuffle(shuffled_indices)
-
-    for idx in shuffled_indices:
-        _seg_order, dur_min, dur_max = segments[idx]
+    for i, (_seg_order, dur_min, dur_max) in enumerate(segments):
         # 在 segment 的 duration_min ~ duration_max 之间随机取值（保留一位小数）
         raw_duration = random.uniform(dur_min, dur_max)
-        # 加上转场补偿，确保最终输出时长 = 模板设定总时长
-        raw_duration += transition_compensation
 
-        # 贪心分配素材：按"已使用次数"升序排列候选素材（使用最少的优先），
-        # 同次数随机打散，避免"A-B-C-D"的固定组合反复出现。
-        # 跳过时长缺失、复用占比已超 10% 阈值的素材；
+        # 轮询分配素材：跳过时长缺失、复用占比已超 15% 阈值的素材；
         # 选中后计算起点，若该素材可用区间耗尽且复用被闸门拒绝（calc 返回 None），
-        # 继续尝试下一个素材
+        # 继续轮询下一个素材
         asset_id = ""
         clip_duration = 0.0
         start_time: float | None = None
-        # 动态按使用次数排序：优先选使用最少的素材，同次数随机打散
-        asset_use_counts = {aid: len(used_segments.get(aid, [])) for aid in asset_ids}
-        # 排序键：smart_match 评分（注入随机噪声）→ 使用次数 → 纯随机。
-        # 噪声让得分接近的素材排名每次浮动，避免同一批素材反复选出相同组合，
-        # 从素材组合层面降低成片查重率；分差 > SCORE_RANDOM_NOISE_MAX 时排名稳定，
-        # 质量差距显著的素材仍保持优先级。
-        sorted_candidates = sorted(
-            asset_ids,
-            key=lambda aid: (
-                -(asset_smart_scores.get(aid, 0.0) + random.uniform(0.0, SCORE_RANDOM_NOISE_MAX)),
-                asset_use_counts.get(aid, 0),
-                random.random(),
-            ),
-        )
-        for candidate in sorted_candidates:
+        n_assets = len(asset_ids)
+        for offset in range(n_assets):
+            candidate = asset_ids[(i + offset) % n_assets]
             candidate_total = asset_durations.get(candidate, 0.0)
             if candidate_total <= 0:
                 continue
@@ -795,30 +688,16 @@ def create_clips_from_assets_editor(
                     candidate,
                 )
                 continue
-            # 起始时间选取（不调用 MediaKit，保证接口快速返回）：
-            # 1) 素材有场景切换点缓存时，优先从随机镜头段中选起点（不同片段来自不同镜头，
-            #    画面内容本质不同），与 used_segments 做冲突避让（含 1.5s 边缘间隙）
-            # 2) 无缓存 / 镜头段全冲突 → _calc_random_start_time 随机起点兜底；
-            #    100 次避不开历史区间时走受控复用回调（复用片段累加 reused_durations，
-            #    回调内部预判复用后占比超 10% 则拒绝并返回 None）
-            candidate_start = None
-            if candidate in asset_scene_points:
-                candidate_start = pick_scene_aware_start(
-                    candidate,
-                    candidate_duration,
-                    asset_durations,
-                    asset_scene_points,
-                    used_segments,
-                    edge_gap=SEGMENT_EDGE_GAP,
-                )
-            if candidate_start is None:
-                candidate_start = _calc_random_start_time(
-                    candidate,
-                    candidate_duration,
-                    asset_durations,
-                    used_segments,
-                    on_exhausted=reuse_cb,
-                )
+            # 随机起始时间（不调用 MediaKit，保证接口快速返回）；100 次避不开
+            # 历史区间时走受控复用回调（复用片段累加 reused_durations，回调内部
+            # 预判复用后占比超 15% 则拒绝并返回 None）
+            candidate_start = _calc_random_start_time(
+                candidate,
+                candidate_duration,
+                asset_durations,
+                used_segments,
+                on_exhausted=reuse_cb,
+            )
             if candidate_start is None:
                 # 该素材可用区间耗尽且复用被闸门/use_count 上限拒绝 → 尝试下一素材
                 logger.info(
@@ -833,7 +712,6 @@ def create_clips_from_assets_editor(
 
         if not asset_id or start_time is None:
             # 所有素材时长缺失、复用占比超阈值，或区间耗尽且复用被拒 → 素材可切区间不足
-            all_assets_exhausted = True
             raise HTTPException(
                 status_code=status.HTTP_400_BAD_REQUEST,
                 detail="素材可切区间不足，请补充新素材",
@@ -849,7 +727,7 @@ def create_clips_from_assets_editor(
 
         clips_data.append(
             {
-                "order": _seg_order,
+                "order": i,
                 "asset_id": asset_id,
                 "start_time": start_time,
                 "duration": clip_duration,
@@ -857,9 +735,6 @@ def create_clips_from_assets_editor(
             }
         )
 
-    # 按原始 segment order 排序，确保 clips_data 的 order 字段有序（0,1,2,3...）
-    clips_data.sort(key=lambda c: c["order"])
-
     # 4. 事务性替换：清空旧片段 → 创建新片段 → 标记ready（单事务，失败自动回滚）
     created_count = plan_svc.replace_all_clips_transactional(plan_id, clips_data)
 
@@ -879,31 +754,11 @@ def create_clips_from_assets_editor(
         unique_asset_ids,
     )
 
-    # 6. 估算成片内部重复率（本条成片中同一素材的重叠片段时长占比）
-    dup_rate = _calc_plan_internal_duplicate_rate(clips_data)
-    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.warning(
-            "from-assets 成片查重率超标: plan_id=%s dup_rate=%.1f%%",
-            plan_id,
-            dup_rate,
-        )
-
-    # 7. 素材耗尽提示
-    exhaustion_warning = None
-    if all_assets_exhausted and created_count < len(segments):
-        exhaustion_warning = (
-            "素材可切区间不足，部分片段使用了复用素材。" "建议：1) 补充更多素材到素材库 2) 使用不同的素材组合生成"
-        )
-
-    # 8. 立即返回响应
+    # 6. 立即返回响应
     return ClipsFromAssetsResponse(
         created_count=created_count,
         plan_id=plan_id,
         clip_ids=[],
-        duplicate_warning=duplicate_warning,
-        exhaustion_warning=exhaustion_warning,
     )
 
 
@@ -911,15 +766,7 @@ def _update_mediakit_recommendations_async(  # pragma: no cover
     plan_id: str,
     asset_ids: list[str],
 ) -> None:
-    """后台任务：使用 SceneChange 智能选帧并更新片段的起始时间.
-
-    优先使用 SceneChange 策略检测视频镜头切换点，将每个素材按镜头段拆分，
-    各片段优先从不同镜头段中选取起始时间，实现「不同片段展示不同场景」的效果。
-
-    降级策略：
-    1. SceneChange 优先 → detect_scene_changes 内部已含 TimeInterval 降级
-    2. 若 detect_scene_changes 仍返回 None → 回退到旧的 analyze_videos 方式
-    3. 所有方式都失败 → 保持现有随机 start_time，不影响视频生成
+    """后台任务：调用 MediaKit 智能选片并更新片段的起始时间.
 
     此函数在后台异步执行，不影响接口响应时间。
     失败时静默处理，不影响已创建的片段。
@@ -941,6 +788,12 @@ def _update_mediakit_recommendations_async(  # pragma: no cover
         asset_repo = SQLAlchemyAssetRepository(db)
         plan_svc = EditPlanService(db)
 
+        # 调用 MediaKit 获取推荐时间
+        recommendations = _get_mediakit_recommendations(asset_ids, asset_repo)
+        if not recommendations:
+            logger.info("后台任务: MediaKit 无推荐结果，跳过更新")
+            return
+
         # 查询该 plan 的所有片段（分批获取，避免硬编码 limit 截断）
         batch_size = 500
         all_clips = []
@@ -963,16 +816,15 @@ def _update_mediakit_recommendations_async(  # pragma: no cover
         unique_asset_ids = list({getattr(c, "asset_id", "") or "" for c in clips} - {""})
         assets_map: dict[str, object] = {a.id: a for a in asset_repo.find_by_ids(unique_asset_ids)}
 
-        # 按 asset_id 预分组片段对象（按 order 排序，保证按模板顺序分配镜头段）
-        clips_by_asset: dict[str, list] = defaultdict(list)
+        # 按 asset_id 预分组片段时间段（消除 O(N^2) 嵌套循环）
+        clips_by_asset: dict[str, list[tuple[str, float, float]]] = defaultdict(list)
         for clip in clips:
             aid = getattr(clip, "asset_id", "") or ""
-            if aid:
-                clips_by_asset[aid].append(clip)
-        for aid in clips_by_asset:
-            clips_by_asset[aid].sort(key=lambda c: c.order)
+            if aid and clip.start_time is not None:
+                clips_by_asset[aid].append((clip.id, clip.start_time, clip.start_time + clip.duration))
 
-        # 读取素材全部历史已用区间（跨任务/跨 plan 持久化记录）
+        # 读取素材全部历史已用区间（跨任务/跨 plan 持久化记录）：
+        # MediaKit 挪点必须与随机选片一样避让历史区间，否则会把片段挪回已用过的画面
         historical_segments = get_used_segments(db, unique_asset_ids)
 
         # 已更新的片段ID（用于排除已移动的旧时间段）
@@ -981,22 +833,16 @@ def _update_mediakit_recommendations_async(  # pragma: no cover
         updated_segments: dict[str, list[tuple[float, float]]] = {}
         updated_count = 0
 
-        # 尝试获取存储服务（用于生成视频 URL）
-        try:
-            storage = get_storage_service()
-        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
-        client = get_mediakit_client()
-
-        # 对每个素材，检测场景切换点并分配镜头段
-        for asset_id in unique_asset_ids:
-            asset_clips = clips_by_asset.get(asset_id, [])
-            if not asset_clips:
+        # 遍历片段，按 asset_id 匹配推荐时间
+        for clip in clips:
+            asset_id = getattr(clip, "asset_id", "") or ""
+            if not asset_id or asset_id not in recommendations:
                 continue
 
+            recommended_start = recommendations[asset_id]
+            clip_duration = clip.duration
+
+            # 从预加载字典获取素材（O(1) 查找）
             asset = assets_map.get(asset_id)
             if not asset:
                 continue
@@ -1004,177 +850,89 @@ def _update_mediakit_recommendations_async(  # pragma: no cover
             if asset_total <= 0:
                 continue
 
-            # 获取素材视频 URL
-            video_url: str | None = None
-            storage_key = getattr(asset, "storage_key", None) or ""
-            mime = getattr(asset, "mime_type", "") or ""
-            if storage_key and mime.startswith("video/"):
-                try:
-                    video_url = storage.get_download_url(storage_key)
-                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):
-                segs: list[tuple[float, float]] = []
-                for c in clips_by_asset.get(asset_id_inner, []):
-                    cid = c.id
-                    if cid != clip_id_inner and cid not in updated_clip_ids:
-                        segs.append((c.start_time, c.start_time + c.duration))
-                segs.extend(updated_segments.get(asset_id_inner, []))
-
-                # 并入历史已用区间
-                def _norm(segs_in):
-                    return {(round(float(a), 3), round(float(b), 3)) for a, b in segs_in}
-
-                return list(_norm(segs) | _norm(historical_segments.get(asset_id_inner, [])))
-
-            # 优先使用 SceneChange 策略
-            scene_segments: list[tuple[float, float]] = []
-            # 先查素材 metadata 中的场景点缓存：命中则直接复用，跳过 MediaKit 检测
-            # （缓存由本任务首次检测后写入，跨任务/跨 plan 复用）
-            cached_points = extract_scene_points_from_metadata(getattr(asset, "metadata", None))
-            if cached_points:
-                scene_segments = build_scene_segments(cached_points, asset_total)
+            # 推荐时间 + 片段时长不能超过素材总时长
+            if recommended_start + clip_duration > asset_total:
                 logger.info(
-                    "后台任务: 命中场景点缓存: asset_id=%s scenes=%d",
-                    asset_id,
-                    len(scene_segments),
-                )
-
-            if not scene_segments and client.is_available and video_url:
-                scene_changes = client.detect_scene_changes(video_url)
-                if scene_changes is not None:
-                    scene_segments = build_scene_segments(scene_changes, asset_total)
-                    logger.info(
-                        "后台任务: 素材场景检测完成: asset_id=%s scenes=%d",
-                        asset_id,
-                        len(scene_segments),
-                    )
-                    # 检测结果写入素材 metadata 缓存：首次生成用随机起点，
-                    # 检测完成后后续生成的渲染前同步路径即可读缓存选镜头段
-                    try:
-                        existing_meta = dict(getattr(asset, "metadata", None) or {})
-                        existing_meta["scene_change_points"] = scene_changes
-                        asset.metadata = existing_meta  # type: ignore[attr-defined]
-                        asset_repo.update(asset)  # type: ignore[arg-type]
-                        logger.info(
-                            "后台任务: 场景点已写入素材缓存: asset_id=%s points=%d",
-                            asset_id,
-                            len(scene_changes),
-                        )
-                    except Exception as cache_err:
-                        # 缓存写入失败不影响本次片段更新
-                        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
-            if not scene_segments and video_url:
-                fallback_recs = _get_mediakit_recommendations([asset_id], asset_repo)
-                if fallback_recs and asset_id in fallback_recs:
-                    # analyze_videos 只返回单个推荐点，转为单镜头段
-                    rec_start = fallback_recs[asset_id]
-                    scene_segments = [(rec_start, asset_total)]
-                    logger.info(
-                        "后台任务: 使用 analyze_videos fallback: asset_id=%s start=%.2f",
-                        asset_id,
-                        rec_start,
-                    )
-
-            if not scene_segments:
-                # 所有方式都失败 → 保持现有随机 start_time
-                logger.info(
-                    "后台任务: SceneChange 与 analyze_videos 均无结果，保持随机起点: asset_id=%s",
+                    "后台任务: 推荐时间越界，跳过: asset_id=%s recommended=%.2f duration=%.1f total=%.1f",
                     asset_id,
+                    recommended_start,
+                    clip_duration,
+                    asset_total,
                 )
                 continue
 
-            # 为每个片段分配不同的镜头段
-            scene_segments_pool = list(scene_segments)  # 可消费的镜头段池
-            for clip in asset_clips:
-                clip_duration = clip.duration
-                recommended_start: float | None = None
+            # 构建排除当前片段及已更新片段后的占用列表（O(M)，M=同素材片段数）
+            other_segments: list[tuple[float, float]] = [
+                (cs, ce)
+                for cid, cs, ce in clips_by_asset.get(asset_id, [])
+                if cid != clip.id and cid not in updated_clip_ids
+            ]
+            other_segments.extend(updated_segments.get(asset_id, []))
 
-                # 从镜头段池中依次尝试，选一个不冲突的
-                for seg_idx, (seg_start, seg_end) in enumerate(scene_segments_pool):
-                    candidate_start = pick_start_in_scene_segment(seg_start, seg_end, clip_duration)
-                    if candidate_start is None:
-                        continue  # 镜头段太短，跳过
+            # 并入该素材全部历史已用区间（含其他 plan/其他任务），set 去重：
+            # 本 plan 片段创建时已写入历史记录
+            # 并入该素材全部历史已用区间（含其他 plan/其他任务）。
+            # set 去重前先归一化精度（round 3 位），避免浮点尾差导致逻辑相同的
+            # 区间（如 1.0 与 1.0000000001）被误判为不同区间
+            def _norm(segs):
+                return {(round(float(a), 3), round(float(b), 3)) for a, b in segs}
 
-                    # 检查越界
-                    if candidate_start + clip_duration > asset_total:
-                        continue
+            other_segments = list(_norm(other_segments) | _norm(historical_segments.get(asset_id, [])))
 
-                    # 检查与已用区间冲突
-                    other_segs = _get_other_segments(asset_id, clip.id)
-                    if _recommended_time_conflicts(candidate_start, clip_duration, other_segs):
-                        continue
+            # 检查推荐时间是否与同 plan 片段或历史已用区间冲突（含 0.3s 边缘间隙）：
+            # 冲突时放弃该推荐、保留原随机起点（不硬挪到已用过的画面）
+            if _recommended_time_conflicts(recommended_start, clip_duration, other_segments):
+                logger.info(
+                    "后台任务: 推荐时间与同片/历史区间冲突，保留原起点: asset_id=%s recommended=%.2f",
+                    asset_id,
+                    recommended_start,
+                )
+                continue
 
-                    recommended_start = candidate_start
-                    # 消费该镜头段（从池中移除，下一个片段用不同镜头段）
-                    scene_segments_pool.pop(seg_idx)
-                    break
-
-                if recommended_start is None:
-                    # 镜头段用完或都冲突 → 尝试 _calc_random_start_time 兜底
-                    used_segs_for_calc: dict[str, list[tuple[float, float]]] = {
-                        asset_id: _get_other_segments(asset_id, clip.id)
-                    }
-                    fallback_start = _calc_random_start_time(
-                        asset_id,
-                        clip_duration,
-                        {asset_id: asset_total},
-                        used_segs_for_calc,
-                    )
-                    if fallback_start is None:
-                        continue  # 完全无法分配，保持原起点
-                    recommended_start = fallback_start
-
-                # 更新片段起始时间
+            # 逐个更新并捕获异常（单点失败不影响其他片段）
+            try:
+                old_start = clip.start_time
+                old_end = old_start + clip_duration
+                # MediaKit 移动片段起点 + 同步素材 metadata 区间记录放在同一事务：
+                # 删旧区间记录（按 plan_id + 旧 start 匹配，兼容无 plan_id 的旧数据）、
+                # 写新区间，最后统一 commit；任一步失败整体 rollback，
+                # 保证 clip.start_time 与 metadata.used_time_ranges 不出现不一致。
+                plan_svc.update_clip(clip.id, start_time=recommended_start)
                 try:
-                    old_start = clip.start_time
-                    old_end = old_start + clip_duration
-
-                    plan_svc.update_clip(clip.id, start_time=recommended_start)
-                    try:
-                        if remove_used_segment(db, asset_id, old_start, old_end, plan_id=plan_id):
-                            record_used_segments(
-                                db,
-                                asset_id,
-                                recommended_start,
-                                recommended_start + clip_duration,
-                                plan_id,
-                            )
-                    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,
+                    if remove_used_segment(db, asset_id, old_start, old_end, plan_id=plan_id):
+                        record_used_segments(
+                            db,
+                            asset_id,
+                            recommended_start,
+                            recommended_start + clip_duration,
+                            plan_id,
                         )
-                        db.rollback()
-                        continue
-                    db.commit()
-                    updated_count += 1
-                    updated_clip_ids.add(clip.id)
-                    updated_segments.setdefault(asset_id, []).append(
-                        (recommended_start, recommended_start + clip_duration)
-                    )
-                    logger.info(
-                        "后台任务: 更新片段起始时间(场景选帧): clip_id=%s asset_id=%s start_time=%.2f",
+                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,
-                        asset_id,
-                        recommended_start,
+                        me,
                     )
-                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:
-                        pass
+                    db.rollback()
                     continue
+                db.commit()
+                updated_count += 1
+                updated_clip_ids.add(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:
+                    pass
+                continue
+
+            updated_segments.setdefault(asset_id, []).append((recommended_start, recommended_start + clip_duration))
+            logger.info(
+                "后台任务: 更新片段起始时间: clip_id=%s asset_id=%s start_time=%.2f",
+                clip.id,
+                asset_id,
+                recommended_start,
+            )
 
         logger.info("后台任务完成: plan_id=%s 成功更新 %d 个片段", plan_id, updated_count)
 

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

@@ -41,17 +41,17 @@ def list_editor_transition_presets(
     _: AuthenticatedUser = Depends(get_current_user),
 ) -> TransitionPresetListResponse:
     """获取转场预设列表"""
-    from packages.domain.transition_presets import TRANSITION_PRESET_LIBRARY
+    from packages.domain.transition_presets import TRANSITION_PRESETS
 
     items = [
         {
-            "id": p.id,
-            "name": p.name,
-            "category": p.category,
-            "duration": p.default_duration,
-            "description": p.description,
+            "id": p["id"],
+            "name": p["name"],
+            "category": p.get("category", "通用"),
+            "duration": p.get("default_duration", 0.5),
+            "description": p.get("description", ""),
         }
-        for p in TRANSITION_PRESET_LIBRARY
+        for p in TRANSITION_PRESETS
     ]
     return TransitionPresetListResponse(items=items, total=len(items))
 
@@ -123,17 +123,17 @@ def list_editor_filter_presets(
     _: AuthenticatedUser = Depends(get_current_user),
 ) -> FilterPresetListResponse:
     """获取滤镜预设列表"""
-    from packages.domain.filter_presets import FILTER_PRESET_LIBRARY
+    from packages.domain.filter_presets import FILTER_PRESETS
 
     items = [
         {
-            "id": p.id,
-            "name": p.name,
-            "category": p.category,
-            "thumbnail": p.lut_url,
-            "description": p.description,
+            "id": p["id"],
+            "name": p["name"],
+            "category": p.get("category", "通用"),
+            "thumbnail": p.get("thumbnail", ""),
+            "description": p.get("description", ""),
         }
-        for p in FILTER_PRESET_LIBRARY
+        for p in FILTER_PRESETS
     ]
     return FilterPresetListResponse(items=items, total=len(items))
 

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

@@ -189,8 +189,6 @@ class ClipsFromAssetsResponse(BaseModel):
     plan_id: str = ""
     message: str = ""
     clip_ids: List[str] = Field(default_factory=list, description="创建的片段ID列表")
-    duplicate_warning: Optional[str] = Field(default=None, description="查重率超标警告")
-    exhaustion_warning: Optional[str] = Field(default=None, description="素材耗尽警告")
 
 
 # ── 封面配置 ────────────────────────────────────────────────────────────────

apps/api/app/api/routes/tts.py

@@ -2,9 +2,7 @@
 
 from __future__ import annotations
 
-import json
 import logging
-import subprocess
 import tempfile
 from pathlib import Path
 from typing import Any, Optional
@@ -432,8 +430,6 @@ def save_tts_job_to_library(
     storage_key = f"uploads/voice/tts/{job.id}.{audio_format}"
 
     tmp_path: Path | None = None
-    audio_duration: float | None = None
-    file_size = 0
     try:
         with tempfile.NamedTemporaryFile(suffix=f".{audio_format}", delete=False) as tmp:
             tmp_path = Path(tmp.name)
@@ -449,23 +445,6 @@ def save_tts_job_to_library(
             )
         file_size = tmp_path.stat().st_size
         storage_service.upload_file(tmp_path, storage_key, content_type=content_type)
-
-        # 从音频文件提取时长（ffprobe），作为 job.duration 的兜底
-        try:
-            proc = subprocess.run(
-                [
-                    "ffprobe", "-v", "quiet", "-print_format", "json",
-                    "-show_format", str(tmp_path),
-                ],
-                capture_output=True, text=True, timeout=10,
-            )
-            if proc.returncode == 0:
-                fmt = json.loads(proc.stdout).get("format", {})
-                dur = float(fmt.get("duration", 0))
-                if dur > 0:
-                    audio_duration = dur
-        except Exception:
-            logger.warning("ffprobe 提取时长失败: job_id=%s", job.id, exc_info=True)
     except HTTPException:
         raise
     except Exception as e:
@@ -503,7 +482,7 @@ def save_tts_job_to_library(
         mime_type=content_type,
         metadata=metadata_,
         file_size=file_size,
-        duration=job.duration or audio_duration or None,
+        duration=job.duration or None,
         status=AssetStatus.READY,
         classification_status=ClassificationStatus.PENDING,  # 音频不参与内容分类，保持 pending 与 ingest 链路一致
         uploaded_by_user_id=user_id,

apps/api/app/api/routes/upload.py

@@ -23,7 +23,6 @@ from app.schemas.upload import (
 from fastapi import APIRouter, Depends, File, Form, HTTPException, UploadFile, status
 
 from packages.application import SubmitIngestJobCommand, SubmitIngestJobUseCase
-from packages.domain import Asset, AssetStatus
 
 logger = logging.getLogger(__name__)
 
@@ -81,40 +80,6 @@ def _validate_mime_type(content_type: str | None) -> str:
     return base_type
 
 
-def _infer_mime_type_from_storage_key(storage_key: str) -> str:
-    """从 storage_key 推断 MIME 类型（与 worker 端保持一致）。"""
-    lower_filename = storage_key.rsplit("/", 1)[-1].lower()
-    _MIME_MAP = {
-        ".mov": "video/quicktime", ".mp4": "video/mp4", ".avi": "video/x-msvideo",
-        ".mkv": "video/x-matroska", ".webm": "video/webm",
-        ".png": "image/png", ".gif": "image/gif", ".bmp": "image/bmp",
-        ".svg": "image/svg+xml", ".jpg": "image/jpeg", ".jpeg": "image/jpeg",
-        ".mp3": "audio/mpeg", ".wav": "audio/wav", ".ogg": "audio/ogg",
-        ".flac": "audio/flac", ".m4a": "audio/x-m4a",
-    }
-    for ext, mime in _MIME_MAP.items():
-        if lower_filename.endswith(ext):
-            return mime
-    return "video/mp4"  # default
-
-
-def _create_pending_asset(
-    asset_repository, project_id, library_id, storage_key, filename, mime_type, user_id, file_hash=""
-):
-    """立即创建一条 PROCESSING 状态的 Asset 记录，使前端能马上看到新素材。"""
-    asset = Asset.create(
-        project_id=project_id,
-        library_id=library_id,
-        name=filename,
-        storage_key=storage_key,
-        mime_type=mime_type,
-        status=AssetStatus.PROCESSING,
-        uploaded_by_user_id=user_id,
-        file_hash=file_hash,
-    )
-    return asset_repository.create(asset)
-
-
 def _submit_ingest_job(
     project_id: str,
     library_id: str,
@@ -244,20 +209,6 @@ async def complete_direct_upload(
                 url=storage_service.get_url(normalized_key),
             )
 
-    # 立即创建 Asset 记录（PROCESSING 状态），使前端刷新后即可看到新素材
-    filename = normalized_key.rsplit("/", 1)[-1]
-    mime_type = _infer_mime_type_from_storage_key(normalized_key)
-    pending_asset = _create_pending_asset(
-        asset_repository=asset_repository,
-        project_id=request.project_id,
-        library_id=request.library_id,
-        storage_key=normalized_key,
-        filename=filename,
-        mime_type=mime_type,
-        user_id=authenticated_user.user.id,
-        file_hash=request.file_hash,
-    )
-
     job = _submit_ingest_job(
         project_id=request.project_id,
         library_id=request.library_id,
@@ -265,12 +216,7 @@ async def complete_direct_upload(
         ingest_job_repository=ingest_job_repository,
         file_hash=request.file_hash,
     )
-    return DirectUploadCompleteResponse(
-        storage_key=normalized_key,
-        ingest_job_id=job.id,
-        asset_id=pending_asset.id,
-        url=storage_service.get_url(normalized_key),
-    )
+    return DirectUploadCompleteResponse(storage_key=normalized_key, ingest_job_id=job.id, url=storage_service.get_url(normalized_key))
 
 
 @router.post(
@@ -338,18 +284,6 @@ async def upload_asset(
             detail=f"Failed to upload file: {type(error).__name__}",
         ) from error
 
-    # 立即创建 Asset 记录（PROCESSING 状态），使前端刷新后即可看到新素材
-    pending_asset = _create_pending_asset(
-        asset_repository=asset_repository,
-        project_id=project_id,
-        library_id=library_id,
-        storage_key=storage_key,
-        filename=safe_filename,
-        mime_type=validated_content_type,
-        user_id=authenticated_user.user.id,
-        file_hash=file_hash,
-    )
-
     job = _submit_ingest_job(
         project_id=project_id,
         library_id=library_id,
@@ -361,6 +295,5 @@ async def upload_asset(
     return UploadAssetResponse(
         storage_key=storage_key,
         ingest_job_id=job.id,
-        asset_id=pending_asset.id,
         url=file_url,
     )

apps/api/app/api/routes/videos.py

@@ -15,7 +15,6 @@ from app.schemas.video_center import (
     VideoItemResponse,
 )
 from fastapi import APIRouter, Depends, HTTPException, Query, Response
-from pydantic import BaseModel, Field
 
 from packages.application import (
     GetGeneratedVideoUseCase,
@@ -54,8 +53,6 @@ def _to_video_response(item, storage: OSSStorageService | None = None) -> VideoI
         download_url=download_url,
         generated_at=format_utc_datetime(item.generated_at) if hasattr(item, "generated_at") else "",
         duplicate_rate=getattr(item, "duplicate_rate", None),
-        visual_similarity=getattr(item, "visual_similarity", None),
-        match_count=getattr(item, "match_count", None),
     )
 
 
@@ -240,70 +237,3 @@ def get_batch_download_status(
         status=api_status,
         download_url=download_url,
     )
-
-
-# ── 重新计算查重率 ─────────────────────────────────────────────────
-
-
-class RecomputeDedupRequest(BaseModel):
-    """重新计算查重率请求。"""
-
-    video_ids: list[str] | None = Field(
-        None,
-        description="指定视频 ID 列表。为空则对当前用户所有缺少查重数据的视频重新计算。",
-    )
-
-
-class RecomputeDedupResponse(BaseModel):
-    """重新计算查重率响应。"""
-
-    enqueued: int = Field(..., description="已入队的任务数量")
-    total_scanned: int = Field(..., description="扫描的视频总数")
-    skipped: int = Field(..., description="已有查重数据跳过的数量")
-    message: str = ""
-
-
-@router.post("/videos/recompute-dedup", response_model=RecomputeDedupResponse)
-def recompute_dedup(
-    request: RecomputeDedupRequest = RecomputeDedupRequest(),
-    repo=Depends(get_generated_video_repository),
-    current_user: AuthenticatedUser = Depends(get_current_user),
-):
-    """重新计算视频的查重率/视觉相似度。
-
-    对于已存在但缺少 duplicate_rate / video_fingerprint 的视频，
-    触发异步 Celery 任务重新下载并计算指纹 + 查重率。
-
-    不传 video_ids 时，对当前用户所有视频进行检查。
-    """
-    user_id = current_user.user.id
-
-    # 获取目标视频列表
-    if request.video_ids:
-        all_videos = repo.get_by_ids(request.video_ids)
-        # 安全校验：只处理当前用户的视频
-        target_videos = [v for v in all_videos if v.user_id == user_id]
-    else:
-        target_videos = repo.list_by_user(user_id)
-
-    total_scanned = len(target_videos)
-    enqueued = 0
-    skipped = 0
-
-    for video in target_videos:
-        # 已有完整查重数据的跳过
-        if video.duplicate_rate is not None and video.video_fingerprint:
-            skipped += 1
-            continue
-
-        # 触发异步查重任务
-        celery_app.send_task("worker.check_duplicate", args=[video.id])
-        enqueued += 1
-        logger.info("Enqueued re-dedup for video %s (user=%s)", video.id, user_id)
-
-    return RecomputeDedupResponse(
-        enqueued=enqueued,
-        total_scanned=total_scanned,
-        skipped=skipped,
-        message=f"已入队 {enqueued} 个查重任务" if enqueued > 0 else "所有视频查重数据已完整",
-    )

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

@@ -6,26 +6,12 @@
 from __future__ import annotations
 
 import logging
-import shutil
-import subprocess
-import tempfile
 import time
-from pathlib import Path
 from typing import Literal, Optional
-from uuid import uuid4
 
 from app.api.routes._helpers import get_user_plan
 from app.auth import AuthenticatedUser, get_current_user
-from app.core.storage import get_storage_service
-from app.dependencies import (
-    get_asset_library_repository,
-    get_asset_repository,
-    get_audio_url_signer,
-    get_cosyvoice_service,
-    get_db_session,
-    get_project_repository,
-    get_user_repository,
-)
+from app.dependencies import get_audio_url_signer, get_cosyvoice_service, get_db_session, get_user_repository
 from app.schemas.voice import (
     PresetVoiceItemResponse,
     PresetVoiceListResponse,
@@ -38,7 +24,7 @@ from app.schemas.voice_library import (
     UpdateVoiceLibraryRequest,
     VoiceLibraryItemResponse,
 )
-from fastapi import APIRouter, Depends, File, Form, HTTPException, Query, Response, UploadFile, status
+from fastapi import APIRouter, Depends, HTTPException, Query, Response, status
 from sqlalchemy.orm import Session
 
 from packages.adapters.sqlalchemy_impl.voice_clone_profile_repository import SQLAlchemyVoiceCloneProfileRepository
@@ -54,12 +40,8 @@ from packages.application.voice_library.use_cases import (
     QuotaExceededError,
     UpdateVoiceLibraryUseCase,
 )
-from packages.domain import Asset, AssetStatus
-from packages.domain.classification import AssetLibraryKind, ClassificationStatus
-from packages.domain.entities import AssetLibrary
 from packages.domain.preset_voices import PRESET_VOICES, get_preset_voice_by_id
 from packages.ports.user_repository import UserRepository
-from packages.shared.storage import SharedStorageService
 
 router = APIRouter()
 logger = logging.getLogger(__name__)
@@ -525,243 +507,3 @@ def delete_voice(
     if not deleted:
         raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Voice not found")
     return
-
-
-# ── 提取视频配音 ─────────────────────────────────────────────────────
-
-# 支持的视频格式
-EXTRACT_VIDEO_MIMES = frozenset({"video/mp4", "video/quicktime", "video/webm", "video/x-msvideo"})
-MAX_EXTRACT_SIZE = 500 * 1024 * 1024  # 500MB
-
-
-@router.post(
-    "/extract-voice",
-    status_code=status.HTTP_201_CREATED,
-)
-def extract_voice_from_video(
-    file: UploadFile = File(...),
-    project_id: str = Form(...),
-    authenticated_user: AuthenticatedUser = Depends(get_current_user),
-    project_repository=Depends(get_project_repository),
-    asset_library_repository=Depends(get_asset_library_repository),
-    asset_repository=Depends(get_asset_repository),
-    storage_service: SharedStorageService = Depends(get_storage_service),
-    sign_url=Depends(get_audio_url_signer),
-):
-    """从上传的视频中提取人声配音。
-
-    流程：
-    1. 接收视频文件（mp4/mov/webm）
-    2. ffmpeg 提取音频 + 降噪 + 编码为 mp3
-    3. 上传到 OSS，创建 Asset 记录到配音素材库
-    4. 返回素材信息（时长、文件大小、URL）
-    """
-    user_id = authenticated_user.user.id
-
-    # 校验文件类型
-    content_type = file.content_type or ""
-    if content_type and content_type not in EXTRACT_VIDEO_MIMES:
-        # 兜底：按扩展名判断
-        ext = (file.filename or "").rsplit(".", 1)[-1].lower()
-        ext_to_mime = {"mp4": "video/mp4", "mov": "video/quicktime", "webm": "video/webm", "avi": "video/x-msvideo"}
-        if ext not in ext_to_mime:
-            raise HTTPException(
-                status_code=status.HTTP_400_BAD_REQUEST,
-                detail="仅支持 mp4/mov/webm/avi 格式的视频文件",
-            )
-        content_type = ext_to_mime[ext]
-
-    # 找到（或自动创建）用户 voice 素材库（复用 TTS 的逻辑）
-    library = _find_or_create_voice_library_for_extract(
-        user_id=user_id,
-        project_repository=project_repository,
-        asset_library_repository=asset_library_repository,
-    )
-
-    tmp_dir = None
-    try:
-        tmp_dir = Path(tempfile.mkdtemp(prefix="voice_extract_"))
-        video_path = tmp_dir / f"input_{uuid4().hex[:8]}_{file.filename or 'video.mp4'}"
-        audio_path = tmp_dir / f"output_{uuid4().hex[:8]}.mp3"
-
-        # 保存上传的视频到临时文件
-        with open(video_path, "wb") as f:
-            total = 0
-            while chunk := file.file.read(1024 * 1024):  # 1MB chunks
-                total += len(chunk)
-                if total > MAX_EXTRACT_SIZE:
-                    raise HTTPException(
-                        status_code=status.HTTP_413_REQUEST_ENTITY_TOO_LARGE,
-                        detail="视频文件过大，最大支持 500MB",
-                    )
-                f.write(chunk)
-
-        if video_path.stat().st_size == 0:
-            raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail="视频文件为空")
-
-        # ffmpeg: 提取音频 + 降噪 + 编码 mp3
-        # 滤镜链：highpass(去低频噪声) → afftdn(FFT降噪) → lowpass(去高频噪声)
-        ffmpeg_cmd = [
-            "ffmpeg",
-            "-y",
-            "-i",
-            str(video_path),
-            "-vn",  # 不要视频
-            "-af",
-            "highpass=f=80,afftdn=nf=-25:tn=1,lowpass=f=8000",
-            "-acodec",
-            "libmp3lame",
-            "-ab",
-            "192k",
-            "-ar",
-            "44100",
-            "-ac",
-            "1",  # 单声道（人声足够）
-            str(audio_path),
-        ]
-
-        result = subprocess.run(
-            ffmpeg_cmd,
-            capture_output=True,
-            timeout=300,  # 5 分钟超时
-        )
-
-        if result.returncode != 0:
-            stderr_text = result.stderr.decode("utf-8", errors="replace")[-500:]
-            logger.error("ffmpeg 提取配音失败: %s", stderr_text)
-            raise HTTPException(
-                status_code=status.HTTP_422_UNPROCESSABLE_ENTITY,
-                detail="视频音频提取失败，可能该视频没有音轨或格式不支持",
-            )
-
-        if not audio_path.exists() or audio_path.stat().st_size == 0:
-            raise HTTPException(
-                status_code=status.HTTP_422_UNPROCESSABLE_ENTITY,
-                detail="音频提取结果为空",
-            )
-
-        # 获取音频时长
-        duration = _get_audio_duration(audio_path)
-        file_size = audio_path.stat().st_size
-
-        # 上传到 OSS
-        audio_ext = "mp3"
-        storage_key = f"uploads/voice/extracted/{uuid4().hex}.{audio_ext}"
-        storage_service.upload_file(audio_path, storage_key, content_type="audio/mpeg")
-
-        # 创建 Asset 记录
-        original_name = (file.filename or "video").rsplit(".", 1)[0]
-        asset_name = f"{original_name}-配音"
-
-        asset = Asset.create(
-            project_id=library.project_id,
-            library_id=library.id,
-            name=asset_name,
-            storage_key=storage_key,
-            mime_type="audio/mpeg",
-            metadata={
-                "source": "video_extract",
-                "original_video": file.filename or "unknown",
-            },
-            file_size=file_size,
-            duration=duration,
-            status=AssetStatus.READY,
-            classification_status=ClassificationStatus.PENDING,
-            uploaded_by_user_id=user_id,
-        )
-        asset = asset_repository.create(asset)
-
-        return {
-            "id": asset.id,
-            "name": asset.name,
-            "audio_url": sign_url(storage_key),
-            "duration": duration,
-            "file_size": file_size,
-            "status": "completed",
-            "source": "video_extract",
-        }
-
-    except HTTPException:
-        raise
-    except subprocess.TimeoutExpired:
-        raise HTTPException(
-            status_code=status.HTTP_504_GATEWAY_TIMEOUT,
-            detail="视频处理超时，请尝试较短的视频",
-        ) from None
-    except Exception as e:
-        logger.exception("提取视频配音失败: %s", e)
-        raise HTTPException(
-            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
-            detail="提取配音失败，请稍后重试",
-        ) from e
-    finally:
-        # 清理临时文件
-        if tmp_dir and Path(tmp_dir).exists():
-            shutil.rmtree(tmp_dir, ignore_errors=True)
-
-
-def _find_or_create_voice_library_for_extract(*, user_id, project_repository, asset_library_repository):
-    """为用户找到或创建 voice 素材库（与 TTS 保存逻辑一致）。"""
-    projects = project_repository.find_accessible_projects(user_id)
-    if not projects:
-        raise HTTPException(
-            status_code=status.HTTP_400_BAD_REQUEST,
-            detail="没有可用的项目，请先创建项目",
-        )
-
-    for project in projects:
-        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:
-                return lib
-
-    # 自动创建
-    from sqlalchemy.exc import IntegrityError
-
-    project = projects[0]
-    library = AssetLibrary.create(
-        project_id=project.id,
-        name="配音素材库",
-        kind=AssetLibraryKind.VOICE,
-    )
-    try:
-        return asset_library_repository.create(library)
-    except IntegrityError:
-        session = getattr(asset_library_repository, "session", None)
-        if session is not None:
-            try:
-                session.rollback()
-            except Exception:
-                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:
-                return lib
-        raise HTTPException(
-            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
-            detail="配音素材库创建失败",
-        ) from None
-
-
-def _get_audio_duration(audio_path: Path) -> float:
-    """用 ffprobe 获取音频时长（秒）。"""
-    try:
-        result = subprocess.run(
-            [
-                "ffprobe",
-                "-v",
-                "quiet",
-                "-show_entries",
-                "format=duration",
-                "-of",
-                "csv=p=0",
-                str(audio_path),
-            ],
-            capture_output=True,
-            timeout=10,
-        )
-        if result.returncode == 0 and result.stdout.strip():
-            return float(result.stdout.strip())
-    except (ValueError, subprocess.TimeoutExpired):
-        pass
-    return 0.0

apps/api/app/schemas/duplication.py

@@ -28,9 +28,6 @@ class DuplicationRecordResponse(BaseModel):
     status: str = "pending"
     duplicate_rate: float | None = None
     duplicate_count: int = 0
-    # #1661 视觉相似度（归一化 0~1）/ 匹配视频数
-    visual_similarity: float | None = None
-    match_count: int | None = None
     created_at: str
     updated_at: str
 

apps/api/app/schemas/generated_video.py

@@ -25,10 +25,6 @@ class GeneratedVideoResponse(BaseModel):
     review_status: str = "pending_review"
     generation_params: dict = Field(default_factory=dict)
     download_url: str | None = None
-    # #1660 查重率（百分比 0~100）/ 视觉相似度（0~1）/ 匹配帧数
-    duplicate_rate: float | None = None
-    visual_similarity: float | None = None
-    match_count: int | None = None
 
 
 class GeneratedVideoDownloadUrlResponse(BaseModel):

apps/api/app/schemas/generation_task.py

@@ -25,12 +25,6 @@ class CreateGenerationTaskRequest(BaseModel):
     asset_library_id: str = ""
     strategy_id: str = ""
     voice_library_id: str = ""
-    # ── 多变体独立配音（批量生成）──
-    # 长度 1 = 所有变体共用；长度 = count = 每个变体独立配音；空数组 = 回退 voice_library_id
-    voice_library_ids: list[str] = Field(
-        default_factory=list,
-        description="各变体独立配音素材库ID数组：长度1=共用，长度=count=独立。为空时回退 voice_library_id",
-    )
     created_by_user_id: str = ""
     # ── 模板模式新增字段 ──
     template_id: str = ""
@@ -81,27 +75,6 @@ class CreateGenerationTaskRequest(BaseModel):
     output_width: int = Field(default=1280, description="输出视频宽度")
     output_height: int = Field(default=720, description="输出视频高度")
     cover_url: str = Field(default="", description="封面图片 URL")
-    # ── 多变体独立封面（批量生成）──
-    # 长度 1 = 所有变体共用；长度 = count = 每个变体独立封面；空数组 = 回退 cover_url
-    cover_urls: list[str] = Field(
-        default_factory=list,
-        description="各变体独立封面URL数组：长度1=共用，长度=count=独立。为空时回退 cover_url",
-    )
-    # ── 多变体独立标题文字（批量生成）──
-    # 长度 1 = 所有变体共用；长度 = count = 每个变体独立标题文字；空数组 = 使用 title_config.text
-    titles: list[str] = Field(
-        default_factory=list,
-        description="各变体独立标题文字数组：长度1=共用，长度=count=独立。为空时使用 title_config.text",
-    )
-
-    @model_validator(mode="after")
-    def _check_variant_arrays(self) -> "CreateGenerationTaskRequest":
-        """变体数组字段长度校验：空数组（回退单值）、长度 1（共用）、或长度 = count（独立）。"""
-        for name in ("voice_library_ids", "cover_urls", "titles"):
-            arr = getattr(self, name)
-            if arr and len(arr) != 1 and len(arr) != self.count:
-                raise ValueError(f"{name} 长度必须为 1（共用）或 {self.count}（与 count 一致），当前为 {len(arr)}")
-        return self
 
     @model_validator(mode="after")
     def _check_at_least_one_mode(self) -> "CreateGenerationTaskRequest":
@@ -212,33 +185,8 @@ class CreatePreviewGenerationTaskRequest(BaseModel):
     )
     title_config: dict = Field(
         default_factory=dict,
-        description="标题配置（可选），渲染时烧录到预览视频中。支持字段: text/font/font_size/font_color/position/bold/stroke/shadow。N个变体时样式全局共用",
+        description="标题配置（可选），渲染时烧录到预览视频中。支持字段: text/font/font_size/font_color/position/bold/stroke/shadow",
     )
-    # ── 多变体独立配置（preview_count > 1）──
-    # 长度 1 = 所有变体共用；长度 = preview_count = 每个变体独立；空数组 = 回退单值字段
-    titles: list[str] = Field(
-        default_factory=list,
-        description="各变体独立标题文字数组：长度1=共用，长度=preview_count=独立。为空时使用 title_config.text",
-    )
-    voice_library_ids: list[str] = Field(
-        default_factory=list,
-        description="各变体独立配音素材库ID数组：长度1=共用，长度=preview_count=独立。为空时回退 voice_library_id",
-    )
-    cover_urls: list[str] = Field(
-        default_factory=list,
-        description="各变体独立封面URL数组：长度1=共用，长度=preview_count=独立（预览阶段通常为空）",
-    )
-
-    @model_validator(mode="after")
-    def _check_variant_arrays(self) -> "CreatePreviewGenerationTaskRequest":
-        """变体数组字段长度校验：空数组（回退单值）、长度 1（共用）、或长度 = preview_count（独立）。"""
-        for name in ("titles", "voice_library_ids", "cover_urls"):
-            arr = getattr(self, name)
-            if arr and len(arr) != 1 and len(arr) != self.preview_count:
-                raise ValueError(
-                    f"{name} 长度必须为 1（共用）或 {self.preview_count}（与 preview_count 一致），当前为 {len(arr)}"
-                )
-        return self
 
     @model_validator(mode="after")
     def _check_template_id(self) -> "CreatePreviewGenerationTaskRequest":
@@ -254,7 +202,7 @@ class CreatePreviewGenerationTaskRequest(BaseModel):
 
 
 class PreviewGenerationTaskResponse(BaseModel):
-    """单个预览变体任务响应。
+    """预览生成任务响应。
 
     包含任务状态、进度、分辨率、生成结果 URL 等关键字段。
     """
@@ -263,7 +211,6 @@ class PreviewGenerationTaskResponse(BaseModel):
     status: str
     progress: float
     is_preview: bool = True
-    variant_index: int = 0
     resolution: str = ""
     video_url: str = ""
     duration: float = 0.0
@@ -272,21 +219,7 @@ class PreviewGenerationTaskResponse(BaseModel):
     transition_count: int = 0
     material_usage: dict = Field(default_factory=dict)
     error_message: str = ""
-    title_text: str = ""
-    voice_library_id: str = ""
     created_at: datetime | None = None
     started_at: datetime | None = None
     finished_at: datetime | None = None
     generate_duration: float = 0.0
-
-
-class BatchPreviewGenerationTaskResponse(BaseModel):
-    """批量预览任务响应：preview_count=N 时返回 N 个独立变体任务。
-
-    - items: 变体任务数组，按 variant_index 顺序排列，每个含独立 task_id/状态/预览视频URL
-    - total: 变体总数（= preview_count）
-    - 前端按 items[i].task_id 分别轮询 GET /preview/{task_id} 获取进度与结果
-    """
-
-    items: list[PreviewGenerationTaskResponse]
-    total: int

apps/api/app/schemas/video_center.py

@@ -22,10 +22,7 @@ class VideoItemResponse(BaseModel):
     generation_params: dict = Field(default_factory=dict)
     download_url: str | None = None
     generated_at: str = ""
-    # #1660 查重率（百分比 0~100）/ 视觉相似度（0~1）/ 匹配帧数
     duplicate_rate: float | None = None
-    visual_similarity: float | None = None
-    match_count: int | None = None
 
 
 class ListVideosResponse(BaseModel):

apps/api/app/services/asset_segment_tracker.py

@@ -3,7 +3,7 @@
 在素材 metadata（assets.classification_result JSON）中持久化已使用的片段时间区间，
 供 from-assets 创建片段时避开历史区间，实现跨任务/跨调用的片段去重；
 素材可用区间耗尽后进入受控复用：允许有限次数（MAX_RANGE_USE_COUNT）复用最久未用
-的历史区间，配合调用方的成片复用占比控制（MAX_REUSE_RATIO = 10%），把任意两条
+的历史区间，配合调用方的成片复用占比控制（MAX_REUSE_RATIO = 15%），把任意两条
 成片的画面重复率控制在阈值内。
 
 metadata 中的记录字段 ``used_time_ranges``::
@@ -40,14 +40,14 @@ logger = logging.getLogger(__name__)
 USED_RANGES_KEY = "used_time_ranges"
 
 # ── 受控复用配置常量 ─────────────────────────────────────────────────────────
-MAX_RANGE_USE_COUNT = 2
+MAX_RANGE_USE_COUNT = 3
 """单条历史区间最多被使用次数（含首次），达到后不再参与复用。"""
 
-REUSE_RATIO_LIMIT = 0.10
-"""单条成片中，单个素材的复用片段累计时长 / 该素材在成片中的总时长上限（10%）。
+REUSE_RATIO_LIMIT = 0.15
+"""单条成片中，单个素材的复用片段累计时长 / 该素材在成片中的总时长上限（15%）。
 超过则该素材不再分配新片段（调用方在轮询分配时跳过）。"""
 
-SEGMENT_EDGE_GAP = 1.5
+SEGMENT_EDGE_GAP = 0.3
 """冲突判定边缘间隙（秒）：历史区间按 [start-gap, end+gap] 扩边后参与冲突检测，
 避免两条片段首尾紧贴导致画面观感重复；记录仍存实际值。"""
 
@@ -397,12 +397,12 @@ def make_reuse_callback(
         db: SQLAlchemy session
         asset_durations: 素材 ID -> 总时长（回调需要素材总时长做边界约束）
         reused_tracker: 可选的 ``{asset_id: 累计复用时长}``，回调成功返回复用区间时
-            会把本次片段时长累加进去，供调用方统计成片复用占比（10% 阈值）。
+            会把本次片段时长累加进去，供调用方统计成片复用占比（15% 阈值）。
         assigned_tracker: 可选的 ``{asset_id: 已分配片段总时长}``，配合 ratio_limit
             在复用前预判：若复用本片段后占比 (reused + clip_duration) /
             (assigned + clip_duration) 超过 ratio_limit，则拒绝复用、返回 None
             （保证成片复用占比不超阈值）。
-        ratio_limit: 单条成片复用时长占比上限，默认 10%。
+        ratio_limit: 单条成片复用时长占比上限，默认 15%。
 
     Returns:
         回调函数 ``(asset_id, clip_duration) -> (start, end) | None``。

apps/api/app/services/plan_generator_service.py

@@ -13,7 +13,6 @@
 from __future__ import annotations
 
 import logging
-import random
 from typing import Any, List
 
 from sqlalchemy.orm import Session
@@ -30,11 +29,9 @@ from packages.domain.editing_mode import EditingMode
 from packages.domain.plan_generator_utils import (
     create_clips_from_configs,
     distribute_assets,
-    extract_scene_points_from_metadata,
     generate_default_clips,
     map_clip_types_for_mode,
 )
-from packages.domain.smart_match import SCORE_RANDOM_NOISE_MAX, score_asset
 from packages.domain.template_clip_config import TemplateClipConfig
 
 logger = logging.getLogger(__name__)
@@ -131,7 +128,6 @@ class PlanGeneratorService:
                 editing_mode,
                 random_selection=random_preview,
                 asset_durations=asset_durations,
-                user_id=created_by_user_id,
             )
 
         # 5. 持久化所有 clips 并计算总时长
@@ -219,82 +215,19 @@ class PlanGeneratorService:
         *,
         random_selection: bool = False,
         asset_durations: dict[str, float] | None = None,
-        user_id: str = "",
     ) -> None:
         """按 editing_mode 将素材分配到 clips（就地修改，未持久化）.
 
-        先用 smart_match 评分对素材排序（高分优先），再委托给
-        plan_generator_utils.distribute_assets 纯函数完成分配。
+        委托给 plan_generator_utils.distribute_assets 纯函数。
         """
-        # 预览随机模式：素材顺序已 shuffle，纯随机起点即可，不读 DB 评分/缓存
-        asset_scene_points: dict[str, list[float]] = {}
-        if not random_selection:
-            # 正式生成：smart_match 评分排序（高分优先）+ 场景切换点缓存
-            if self._asset_repo:
-                asset_ids = self._sort_assets_by_smart_score(asset_ids)
-                # 读取素材 metadata 中的场景切换点缓存（后台 SceneChange 检测写入）：
-                # 有缓存的素材片段起点从随机镜头段选取，无缓存走随机起点兜底
-                asset_scene_points = self._fetch_asset_scene_points(asset_ids)
-
-                # 正式生成也随机重排片段顺序（降重，默认开启无开关）
-                # smart_match 决定选哪些素材，shuffle 只改变分配到 clips 的顺序
-                asset_ids = list(asset_ids)  # 复制避免修改调用方原列表
-                random.shuffle(asset_ids)
-
-        # 查询已有视频的已用区间（跨视频避让）
-        external_used_segments = None
-        if user_id and self._clip_repo:
-            try:
-                external_used_segments = self._clip_repo.list_used_segments_by_user(user_id, limit_recent=50)
-            except Exception:
-                logger.warning("跨视频避让查询失败，回退到纯随机", exc_info=True)
-
         distribute_assets(
             clips,
             asset_ids,
             editing_mode,
             random_selection=random_selection,
             asset_durations=asset_durations,
-            asset_scene_points=asset_scene_points,
-            external_used_segments=external_used_segments,
         )
 
-    def _fetch_asset_scene_points(self, asset_ids: List[str]) -> dict[str, list[float]]:
-        """从素材 metadata 读取场景切换点缓存（无缓存的素材不包含在结果中）。"""
-        points_map: dict[str, list[float]] = {}
-        if not self._asset_repo:
-            return points_map
-        for asset_id in asset_ids:
-            asset = self._asset_repo.get(asset_id)
-            if asset:
-                points = extract_scene_points_from_metadata(getattr(asset, "metadata", None))
-                if points:
-                    points_map[asset_id] = points
-        return points_map
-
-    def _sort_assets_by_smart_score(self, asset_ids: List[str]) -> List[str]:
-        """按 smart_match 综合评分降序排列素材 ID（注入随机噪声）。
-
-        评分高的素材（质量好、时长合适、新鲜、使用次数少）倾向排在前面；
-        排序时给每个素材的得分注入 0~SCORE_RANDOM_NOISE_MAX 的随机噪声，
-        使得分接近的素材排名每次浮动，避免一键生成反复选出相同素材组合，
-        从素材组合层面降低成片查重率。分差大于噪声上限时排名保持稳定。
-        """
-        scored: list[tuple[str, float]] = []
-        for asset_id in asset_ids:
-            asset = self._asset_repo.get(asset_id)
-            if asset:
-                score, _ = score_asset(asset)
-                scored.append((asset_id, score))
-            else:
-                scored.append((asset_id, 0.0))
-        # 评分 + 随机噪声后按降序排列
-        scored.sort(
-            key=lambda x: x[1] + random.uniform(0.0, SCORE_RANDOM_NOISE_MAX),
-            reverse=True,
-        )
-        return [aid for aid, _ in scored]
-
     def _fetch_asset_durations(self, asset_ids: List[str]) -> dict[str, float]:
         """从数据库获取素材时长信息.
 

apps/api/scripts/rebuild_fingerprint_chunks.py

@@ -1,174 +0,0 @@
-#!/usr/bin/env python3
-"""存量指纹重建脚本 — 为已有视频生成 video_fingerprint_chunks 分片数据。
-
-功能：
-- 查询 generated_videos 中 video_fingerprint IS NOT NULL 但尚无分片数据的视频
-- 从 OSS 下载视频 → 用新的分片算法重新计算指纹 → 写入分片表
-- 支持 --dry-run（只打印不写入）和 --batch-size（默认 50）
-- 幂等：已存在分片数据的视频跳过
-
-用法：
-    # 预览（不写入）
-    python rebuild_fingerprint_chunks.py --dry-run
-
-    # 执行重建
-    python rebuild_fingerprint_chunks.py --batch-size 50
-"""
-
-from __future__ import annotations
-
-import argparse
-import logging
-import os
-import sys
-import tempfile
-
-# 确保可以 import worker_app 和 packages
-sys.path.insert(0, os.path.join(os.path.dirname(__file__), "..", "..", "..", "worker"))
-sys.path.insert(0, os.path.join(os.path.dirname(__file__), "..", "..", ".."))
-
-logging.basicConfig(
-    level=logging.INFO,
-    format="%(asctime)s [%(levelname)s] %(name)s: %(message)s",
-)
-logger = logging.getLogger("rebuild_fingerprint_chunks")
-
-
-def find_videos_needing_rebuild(session, batch_size: int) -> list[dict]:
-    """查询需要重建分片指纹的视频。"""
-    from sqlalchemy import and_
-
-    from packages.adapters.sqlalchemy_impl.models import GeneratedVideoModel, VideoFingerprintChunkModel
-
-    # 有 video_fingerprint 的视频
-    has_fingerprint = GeneratedVideoModel.video_fingerprint.isnot(None)
-    has_fingerprint = and_(has_fingerprint, GeneratedVideoModel.video_fingerprint != "")
-
-    # 排除已有分片数据的视频
-    subq = session.query(VideoFingerprintChunkModel.video_id).distinct().subquery()
-    no_chunks = ~GeneratedVideoModel.id.in_(subq)
-
-    videos = (
-        session.query(GeneratedVideoModel)
-        .filter(and_(has_fingerprint, no_chunks))
-        .order_by(GeneratedVideoModel.generated_at.desc())
-        .limit(batch_size)
-        .all()
-    )
-
-    return [
-        {
-            "id": v.id,
-            "project_id": v.project_id,
-            "user_id": v.user_id or "",
-            "duration": v.duration,
-        }
-        for v in videos
-    ]
-
-
-def rebuild_one(video_info: dict, dry_run: bool = False) -> int:
-    """重建单个视频的分片数据。返回写入的 chunk 数量。"""
-    from video_processing.dedup import VideoDeduplicator, _save_fingerprint_chunks
-    from worker_app.db import SessionLocal
-
-    from packages.adapters.sqlalchemy_impl.models import VideoFingerprintChunkModel
-    from packages.shared.storage import get_storage_service
-
-    video_id = video_info["id"]
-    project_id = video_info["project_id"]
-    user_id = video_info["user_id"]
-
-    if dry_run:
-        logger.info("[DRY-RUN] Would rebuild video %s (project=%s)", video_id, project_id)
-        return 0
-
-    session = SessionLocal()
-    temp_dir = tempfile.mkdtemp()
-
-    try:
-        # 再次检查幂等性
-        existing_count = (
-            session.query(VideoFingerprintChunkModel).filter(VideoFingerprintChunkModel.video_id == video_id).count()
-        )
-        if existing_count > 0:
-            logger.info("Video %s already has %d chunks, skipping", video_id, existing_count)
-            return 0
-
-        # 下载视频
-        storage_service = get_storage_service()
-        local_path = os.path.join(temp_dir, f"{video_id}.mp4")
-        storage_key = f"projects/{project_id}/generated/{video_id}/{video_id}.mp4"
-        storage_service.download_file(storage_key, local_path)
-
-        # 重新计算指纹
-        deduplicator = VideoDeduplicator()
-        fingerprint = deduplicator.compute_fingerprint(local_path)
-
-        # 写入分片表
-        _save_fingerprint_chunks(fingerprint, video_id, project_id, user_id, session)
-        session.commit()
-
-        chunk_count = len(fingerprint.chunks)
-        logger.info("Rebuilt %d chunks for video %s", chunk_count, video_id)
-        return chunk_count
-
-    except Exception as e:
-        logger.error("Failed to rebuild video %s: %s", video_id, e)
-        session.rollback()
-        return -1
-    finally:
-        session.close()
-        import shutil
-
-        shutil.rmtree(temp_dir, ignore_errors=True)
-
-
-def main():
-    parser = argparse.ArgumentParser(description="存量指纹重建脚本")
-    parser.add_argument("--dry-run", action="store_true", help="只打印不写入")
-    parser.add_argument("--batch-size", type=int, default=50, help="每批处理数量（默认 50）")
-    parser.add_argument("--total-limit", type=int, default=0, help="总处理数量限制（0=不限制）")
-    args = parser.parse_args()
-
-    from worker_app.db import SessionLocal
-
-    session = SessionLocal()
-
-    try:
-        videos = find_videos_needing_rebuild(session, args.batch_size)
-        logger.info("Found %d videos needing rebuild", len(videos))
-
-        if args.dry_run:
-            for v in videos:
-                logger.info("[DRY-RUN] Video %s | project=%s | duration=%.1fs", v["id"], v["project_id"], v["duration"])
-            return
-
-        total_chunks = 0
-        processed = 0
-        failed = 0
-
-        for v in videos:
-            if args.total_limit > 0 and processed >= args.total_limit:
-                break
-
-            result = rebuild_one(v, dry_run=False)
-            if result < 0:
-                failed += 1
-            else:
-                total_chunks += result
-                processed += 1
-
-        logger.info(
-            "Rebuild complete: processed=%d, chunks=%d, failed=%d",
-            processed,
-            total_chunks,
-            failed,
-        )
-
-    finally:
-        session.close()
-
-
-if __name__ == "__main__":
-    main()

apps/web/e2e/core-generation.spec.ts

@@ -255,10 +255,32 @@ test.describe("Core generation flow", () => {
       expect(genData.items.length).toBeGreaterThan(0)
       expect(genData.items[0].id).toBeTruthy()
 
-      // 单视频（N=1）：点击「确认生成视频」后直接跳 Step 5 封面（与旧流程一致）
-      await expect(page.getByRole("heading", { name: /选择封面/ })).toBeVisible({
-        timeout: 180_000,
+      // Step 5: 确认生成页 — 任务创建成功后自动跳转，展示渲染进度
+      await expect(page.getByRole("heading", { name: /确认生成/ })).toBeVisible({
+        timeout: 15_000,
       })
+
+      // Step 5 → Step 6：等待渲染终态
+      // - 完成：页面出现「视频生成完成」，步骤5「下一步」按钮解锁，点击进入封面
+      // - 失败：出现「生成失败」，停在确认生成页也算向导流程走通
+      // - 超时未终态（测试环境 worker 可能不处理任务）：进度仍在轮询，同样算走通
+      const renderSucceeded = await page
+        .getByText("视频生成完成", { exact: false })
+        .waitFor({ timeout: 180_000 })
+        .then(() => true)
+        .catch(() => false)
+      if (renderSucceeded) {
+        // 渲染完成：手动点「下一步」进入封面步骤（渲染完不自动跳转）
+        await page.getByRole("button", { name: "下一步" }).click()
+        // Step 6: 封面（最后一步，无主按钮），仅验证页面渲染
+        await expect(page.getByRole("heading", { name: /选择封面/ })).toBeVisible({
+          timeout: 15_000,
+        })
+      } else {
+        // 失败或超时：仍在确认生成页（进度展示或失败提示），向导流程已完整走通
+        await expect(page.getByRole("heading", { name: /确认生成/ })).toBeVisible()
+        console.log("[E2E] 渲染任务失败或未在 180s 内完成，冒烟测试仍通过（已达确认生成页）")
+      }
     } else {
       console.log(`[E2E] Generate API returned ${genResp.status()}, wizard flow test still passes`)
       // 创建失败时停留在标题页并展示错误提示

apps/web/package-lock.json

@@ -1848,9 +1848,10 @@
     },
     "node_modules/@testing-library/dom": {
       "version": "10.4.1",
-      "resolved": "https://registry.npmjs.org/@testing-library/dom/-/dom-10.4.1.tgz",
+      "resolved": "https://registry.npmmirror.com/@testing-library/dom/-/dom-10.4.1.tgz",
       "integrity": "sha512-o4PXJQidqJl82ckFaXUeoAW+XysPLauYI43Abki5hABd853iMhitooc6znOnczgbTYmEP6U6/y1ZyKAIsvMKGg==",
       "dev": true,
+      "license": "MIT",
       "peer": true,
       "dependencies": {
         "@babel/code-frame": "^7.10.4",
@@ -1937,9 +1938,10 @@
     },
     "node_modules/@types/aria-query": {
       "version": "5.0.4",
-      "resolved": "https://registry.npmjs.org/@types/aria-query/-/aria-query-5.0.4.tgz",
+      "resolved": "https://registry.npmmirror.com/@types/aria-query/-/aria-query-5.0.4.tgz",
       "integrity": "sha512-rfT93uj5s0PRL7EzccGMs3brplhcrghnDoV26NqKhCAS1hVo+WdNsPvE/yb6ilfr5hi2MEk6d5EWJTKdxg8jVw==",
       "dev": true,
+      "license": "MIT",
       "peer": true
     },
     "node_modules/@types/babel__core": {
@@ -3111,9 +3113,10 @@
     },
     "node_modules/dom-accessibility-api": {
       "version": "0.5.16",
-      "resolved": "https://registry.npmjs.org/dom-accessibility-api/-/dom-accessibility-api-0.5.16.tgz",
+      "resolved": "https://registry.npmmirror.com/dom-accessibility-api/-/dom-accessibility-api-0.5.16.tgz",
       "integrity": "sha512-X7BJ2yElsnOJ30pZF4uIIDfBEVgF4XEBxL9Bxhy6dnrm5hkzqmsWHGTiHqRiITNhMyFLyAiWndIJP7Z1NTteDg==",
       "dev": true,
+      "license": "MIT",
       "peer": true
     },
     "node_modules/dunder-proto": {
@@ -4454,9 +4457,10 @@
     },
     "node_modules/lz-string": {
       "version": "1.5.0",
-      "resolved": "https://registry.npmjs.org/lz-string/-/lz-string-1.5.0.tgz",
+      "resolved": "https://registry.npmmirror.com/lz-string/-/lz-string-1.5.0.tgz",
       "integrity": "sha512-h5bgJWpxJNswbU7qCrV0tIKQCaS3blPDrqKWx+QxzuzL1zGUzij9XCWLrSLsJPu5t+eWA/ycetzYAO5IOMcWAQ==",
       "dev": true,
+      "license": "MIT",
       "peer": true,
       "bin": {
         "lz-string": "bin/bin.js"
@@ -5004,9 +5008,10 @@
     },
     "node_modules/pretty-format": {
       "version": "27.5.1",
-      "resolved": "https://registry.npmjs.org/pretty-format/-/pretty-format-27.5.1.tgz",
+      "resolved": "https://registry.npmmirror.com/pretty-format/-/pretty-format-27.5.1.tgz",
       "integrity": "sha512-Qb1gy5OrP5+zDf2Bvnzdl3jsTf1qXVMazbvCoKhtKqVs4/YK4ozX4gKQJJVyNe+cajNPn0KoC0MC3FUmaHWEmQ==",
       "dev": true,
+      "license": "MIT",
       "peer": true,
       "dependencies": {
         "ansi-regex": "^5.0.1",
@@ -5019,9 +5024,10 @@
     },
     "node_modules/pretty-format/node_modules/ansi-styles": {
       "version": "5.2.0",
-      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-5.2.0.tgz",
+      "resolved": "https://registry.npmmirror.com/ansi-styles/-/ansi-styles-5.2.0.tgz",
       "integrity": "sha512-Cxwpt2SfTzTtXcfOlzGEee8O+c+MmUgGrNiBcXnuWxuFJHe6a5Hz7qwhwe5OgaSYI0IJvkLqWX1ASG+cJOkEiA==",
       "dev": true,
+      "license": "MIT",
       "peer": true,
       "engines": {
         "node": ">=10"
@@ -5729,9 +5735,10 @@
     },
     "node_modules/react-is": {
       "version": "17.0.2",
-      "resolved": "https://registry.npmjs.org/react-is/-/react-is-17.0.2.tgz",
+      "resolved": "https://registry.npmmirror.com/react-is/-/react-is-17.0.2.tgz",
       "integrity": "sha512-w2GsyukL62IJnlaff/nRegPQR94C/XXamvMWmSHRJ4y7Ts/4ocGRmTHvOs8PSE6pB3dWOrD/nueuU5sduBsQ4w==",
       "dev": true,
+      "license": "MIT",
       "peer": true
     },
     "node_modules/react-refresh": {

apps/web/src/api/duplication/types.ts

@@ -20,10 +20,6 @@ export interface DuplicationRecord {
   duplicate_rate?: number
   /** 重复片段数 */
   duplicate_count?: number
-  /** 视觉相似度（0-100），#1660 新增 */
-  visual_similarity?: number
-  /** 匹配帧数，#1660 新增 */
-  match_count?: number
   /** 创建时间 */
   created_at: string
   /** 更新时间 */

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

@@ -33,36 +33,15 @@ export interface CreatePreviewRequest {
     preset_id?: string
     volume?: number
   }
-  /** 批量预览数量（1~10），默认1。N>1 时返回 N 个独立变体任务 */
-  preview_count?: number
-  /** 各变体独立标题文字：长度1=共用，长度=preview_count=独立，空数组=使用 title_config.text */
-  titles?: string[]
-  /** 各变体独立配音素材库ID：长度1=共用，长度=preview_count=独立，空数组=回退 voice_library_id */
-  voice_library_ids?: string[]
-  /** 各变体独立封面URL：长度1=共用，长度=preview_count=独立（预览阶段通常为空） */
-  cover_urls?: string[]
 }
 
-/** 单个预览变体任务 */
-export interface PreviewVariantItem {
-  task_id: string
-  status: string
-  progress: number
-  is_preview: boolean
-  variant_index: number
-  resolution: string
-  video_url: string
-  duration: number
-  error_message: string
-  title_text: string
-  voice_library_id: string
-  created_at?: string | null
-}
-
-/** 创建预览任务响应（单变体，preview_count=1 时 items 长度为1） */
+/** 创建预览任务响应 */
 export interface CreatePreviewResponse {
-  items: PreviewVariantItem[]
-  total: number
+  task_id: string
+  status: PreviewStatus
+  is_preview: boolean
+  resolution: string
+  created_at: string
   /** 后端自动关联的编辑计划 ID（用于 fallback 路径传递 source_edit_plan_id） */
   source_edit_plan_id?: string
 }

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

@@ -13,8 +13,6 @@ export type {
   VideoItem,
 } from "./types"
 
-export type { RecomputeDedupResponse } from "./products"
-
 // 工具函数
 export { mapVideoToProductItem } from "./utils"
 
@@ -27,5 +25,4 @@ export {
   updateReviewStatus,
   batchDownload,
   getBatchDownloadStatus,
-  recomputeDedup,
 } from "./products"

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

@@ -78,18 +78,3 @@ export const getBatchDownloadStatus = async (jobId: string): Promise<BatchDownlo
   console.warn("[getBatchDownloadStatus] 后端暂无批量下载状态端点", jobId)
   return { job_id: jobId, status: "processing", progress: 0 }
 }
-
-/** 重新计算存量视频查重率（异步） */
-export interface RecomputeDedupResponse {
-  enqueued: number
-  total_scanned: number
-  skipped: number
-  message: string
-}
-
-export const recomputeDedup = async (videoIds?: string[]): Promise<RecomputeDedupResponse> => {
-  const response = await apiClient.post("/videos/recompute-dedup", {
-    video_ids: videoIds,
-  })
-  return response.data
-}

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

@@ -23,10 +23,6 @@ export interface ProductItem {
   project_name?: string
   /** 查重率（百分比） */
   duplicate_rate?: number
-  /** 视觉相似度（0-1），#1660 新增 */
-  visual_similarity?: number
-  /** 匹配帧数，#1660 新增 */
-  match_count?: number
   created_at?: string
   updated_at?: string
 }
@@ -75,9 +71,4 @@ export interface VideoItem {
   generation_params: Record<string, unknown>
   download_url: string
   generated_at: string
-  duplicate_rate?: number
-  /** 视觉相似度（0-1），#1660 新增 */
-  visual_similarity?: number
-  /** 匹配帧数，#1660 新增 */
-  match_count?: number
 }

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

@@ -29,8 +29,7 @@ export function mapVideoToProductItem(video: VideoItem): ProductItem {
     // 后端字段名为 generated_at，映射为 created_at 供前端统一使用
     created_at: video.generated_at,
     updated_at: video.generated_at,
-    duplicate_rate: video.duplicate_rate,
-    visual_similarity: video.visual_similarity,
-    match_count: video.match_count,
+    // 后端 /videos 接口暂无 duplicate_rate 字段
+    duplicate_rate: undefined,
   }
 }

apps/web/src/api/tasks/types.ts

@@ -92,14 +92,6 @@ export interface CreateGenerationTaskRequest {
     preset_id?: string
     volume?: number
   }
-  /** 批量生成数量（1~10），默认1。不传=单条旧逻辑 */
-  count?: number
-  /** 各变体独立标题文字：长度1=共用，长度=count=独立，空数组=使用 title_config/custom_title */
-  titles?: string[]
-  /** 各变体独立配音素材库ID：长度1=共用，长度=count=独立，空数组=回退 voice_library_id */
-  voice_library_ids?: string[]
-  /** 各变体独立封面URL：长度1=共用，长度=count=独立，空数组=回退 cover_url */
-  cover_urls?: string[]
 }
 
 /** 单个生成任务详情（对齐后端 GenerationTaskResponse） */

apps/web/src/api/tts/index.ts

@@ -28,5 +28,4 @@ export {
   deleteTTSJob,
   getTtsVoices,
   previewTts,
-  extractVideoVoice,
 } from "./jobs"

apps/web/src/api/tts/jobs.ts

@@ -70,57 +70,3 @@ export const previewTts = async (data: TTSPreviewRequest): Promise<TTSPreviewRes
   const response = await apiClient.post<TTSPreviewResponse>("/tts/preview", data)
   return response.data
 }
-
-/**
- * 从视频中提取配音（上传视频 → 后端提取人声 → 保存到配音素材库）
- * 支持 mp4/mov/webm 格式
- */
-export const extractVideoVoice = async (
-  file: File,
-  onProgress?: (percent: number) => void,
-): Promise<{ asset_id: string; duration: number }> => {
-  const formData = new FormData()
-  formData.append("file", file)
-  formData.append("project_id", "default")
-
-  return new Promise((resolve, reject) => {
-    const xhr = new XMLHttpRequest()
-    xhr.open("POST", "/api/v1/voices/extract-voice")
-
-    // 携带认证 token（从 localStorage 获取，与 apiClient 拦截器一致）
-    const token = localStorage.getItem("access_token")
-    if (token) {
-      xhr.setRequestHeader("Authorization", `Bearer ${token}`)
-    }
-
-    xhr.timeout = 10 * 60 * 1000 // 10 分钟超时
-
-    xhr.upload.onprogress = (e) => {
-      if (e.lengthComputable && onProgress) {
-        onProgress(Math.round((e.loaded / e.total) * 100))
-      }
-    }
-
-    xhr.onload = () => {
-      if (xhr.status >= 200 && xhr.status < 300) {
-        try {
-          resolve(JSON.parse(xhr.responseText))
-        } catch {
-          reject(new Error("服务器返回数据解析失败"))
-        }
-      } else {
-        try {
-          const err = JSON.parse(xhr.responseText)
-          reject(new Error(err.detail || err.message || `提取失败: HTTP ${xhr.status}`))
-        } catch {
-          reject(new Error(`提取失败: HTTP ${xhr.status}`))
-        }
-      }
-    }
-
-    xhr.onerror = () => reject(new Error("网络错误，请检查网络连接"))
-    xhr.ontimeout = () => reject(new Error("上传超时（10分钟），请检查网络或尝试更小的文件"))
-
-    xhr.send(formData)
-  })
-}

apps/web/src/components/voice/CloneModal/index.tsx

@@ -297,7 +297,7 @@ const CloneModal: React.FC<CloneModalProps> = ({ open, onClose, onSuccess }) =>
                     buttonSize="sm"
                     onClick={() => {
                       handleClose()
-                      navigate("/app/voices?tab=material&upload=1")
+                      navigate("/app/voice-materials")
                     }}
                   >
                     去配音库上传

apps/web/src/pages/assets/hooks/useAssetsData.ts

@@ -3,11 +3,9 @@ import { useQuery } from "@tanstack/react-query"
 import {
   getAssetLibraries,
   getAssets,
-  ensureDefaultLibrary,
   type AssetLibraryItem,
   type AssetItem as ApiAssetItem,
 } from "@/api/assets"
-import { getOrCreateDefaultProject } from "@/api/projects"
 import { mapLibrary, mapAsset, type AssetItem, type LibraryItem } from "../types"
 
 /**
@@ -18,18 +16,7 @@ export function useAssetsData() {
   /* ── 视频库列表查询 ── */
   const { data: apiLibraries = [], isLoading: libLoading } = useQuery<AssetLibraryItem[], Error>({
     queryKey: ["asset-libraries"],
-    queryFn: async () => {
-      const libs = await getAssetLibraries()
-      // 如果没有 video 类型的库，自动创建默认视频素材库（与 useVoiceMaterials 保持一致）
-      const hasVideoLib = libs.some((lib) => lib.kind === "video")
-      if (!hasVideoLib) {
-        const project = await getOrCreateDefaultProject()
-        await ensureDefaultLibrary({ project_id: project.id, kind: "video" })
-        // 创建后重新拉取最新列表
-        return getAssetLibraries()
-      }
-      return libs
-    },
+    queryFn: getAssetLibraries,
     staleTime: 60_000,
   })
 

apps/web/src/pages/duplication/DuplicationDetail.tsx

@@ -98,7 +98,7 @@ const DuplicationDetail: React.FC = () => {
       <div className="dup-detail-grid">
         <RiskCard riskLevel={riskLevel} similarityPercent={similarityPercent} />
         <InfoCard detail={detail} />
-        <SegmentsSection segments={detail.segments} totalDuration={detail.duration_seconds} />
+        <SegmentsSection segments={detail.segments} />
       </div>
     </div>
   )

apps/web/src/pages/duplication/components/ResultCard.tsx

@@ -1,7 +1,7 @@
 import React from "react"
 import { Button, Tag, Tooltip } from "@/components/ui"
 import type { DuplicationRecord } from "@/api/duplication"
-import { STATUS_CONFIG, RISK_TAG_VARIANT, RISK_LABELS } from "../constants"
+import { STATUS_CONFIG } from "../constants"
 import { getRiskLevel, formatSize, formatDuration } from "../utils"
 
 interface ResultCardProps {
@@ -54,9 +54,6 @@ const ResultCard: React.FC<ResultCardProps> = ({ record, onView, onDelete, onRet
               />
             </div>
             <span className={`dup-score-value ${riskLevel}`}>{rateValue.toFixed(1)}%</span>
-            <Tag variant={RISK_TAG_VARIANT[riskLevel]} className="dup-score-risk-tag">
-              {RISK_LABELS[riskLevel]}
-            </Tag>
           </>
         ) : record.status === "failed" ? (
           <Tooltip title="重新查重">

apps/web/src/pages/duplication/components/SegmentsSection.tsx

@@ -2,81 +2,34 @@ import React from "react"
 import { Tag } from "@/components/ui"
 import type { DuplicateSegment } from "@/api/duplication"
 import { SegmentCard } from "./SegmentCard"
-import { formatTime } from "../utils"
 
 interface SegmentsSectionProps {
   segments?: DuplicateSegment[]
-  /** 视频总时长（秒），用于渲染时间轴 */
-  totalDuration?: number
-}
-
-/** 片段相似度 → 风险等级（时间轴配色用） */
-const getSegmentRisk = (similarity: number): "low" | "medium" | "high" => {
-  if (similarity >= 90) return "high"
-  if (similarity >= 70) return "medium"
-  return "low"
 }
 
 /**
- * 重复片段列表区域（含时间轴可视化）
+ * 重复片段列表区域
  */
-export const SegmentsSection: React.FC<SegmentsSectionProps> = ({
-  segments = [],
-  totalDuration,
-}) => {
-  const showTimeline = segments.length > 0 && totalDuration !== undefined && totalDuration > 0
+export const SegmentsSection: React.FC<SegmentsSectionProps> = ({ segments = [] }) => (
+  <div className="dup-checks-section">
+    <h3>
+      🔍 重复片段详情
+      <Tag variant="primary" style={{ marginLeft: 8 }}>
+        {segments.length} 个片段
+      </Tag>
+    </h3>
 
-  return (
-    <div className="dup-checks-section">
-      <h3>
-        🔍 重复片段详情
-        <Tag variant="primary" style={{ marginLeft: 8 }}>
-          {segments.length} 个片段
-        </Tag>
-      </h3>
-
-      {showTimeline && (
-        <div className="dup-timeline">
-          <div className="dup-timeline-bar">
-            {segments.map((seg, i) => {
-              const left = (seg.source_start / totalDuration) * 100
-              const width = Math.max(
-                ((seg.source_end - seg.source_start) / totalDuration) * 100,
-                0.5,
-              )
-              const segRisk = getSegmentRisk(seg.similarity)
-              return (
-                <div
-                  key={seg.id ?? i}
-                  className={`dup-timeline-segment ${segRisk}`}
-                  style={{
-                    left: `${Math.min(left, 100)}%`,
-                    width: `${Math.min(width, 100 - Math.min(left, 100))}%`,
-                  }}
-                  title={`${formatTime(seg.source_start)} - ${formatTime(seg.source_end)} · 相似度 ${seg.similarity.toFixed(0)}% · ${seg.matched_video_name}`}
-                />
-              )
-            })}
-          </div>
-          <div className="dup-timeline-labels">
-            <span>0s</span>
-            <span>{formatTime(totalDuration ?? 0)}</span>
-          </div>
-        </div>
-      )}
-
-      {segments.length > 0 ? (
-        <div className="dup-checks-list">
-          {segments.map((segment, index) => (
-            <SegmentCard key={segment.id} segment={segment} index={index} />
-          ))}
-        </div>
-      ) : (
-        <div className="dup-results-empty" style={{ padding: "32px 0" }}>
-          <div className="dup-results-empty-icon">🎉</div>
-          <p>未发现重复片段，内容原创度很高</p>
-        </div>
-      )}
-    </div>
-  )
-}
+    {segments.length > 0 ? (
+      <div className="dup-checks-list">
+        {segments.map((segment, index) => (
+          <SegmentCard key={segment.id} segment={segment} index={index} />
+        ))}
+      </div>
+    ) : (
+      <div className="dup-results-empty" style={{ padding: "32px 0" }}>
+        <div className="dup-results-empty-icon">🎉</div>
+        <p>未发现重复片段，内容原创度很高</p>
+      </div>
+    )}
+  </div>
+)

apps/web/src/pages/duplication/duplication.css

@@ -831,61 +831,3 @@
     font-size: 16px;
   }
 }
-
-/* ============================================================
-   查重率风险标签（列表卡片）
-   ============================================================ */
-.dup-score-risk-tag {
-  flex-shrink: 0;
-  margin-left: 2px;
-}
-
-/* ============================================================
-   重复片段时间轴可视化（#1662）
-   ============================================================ */
-.dup-timeline {
-  margin: 16px 0;
-  padding: 0 8px;
-}
-
-.dup-timeline-bar {
-  position: relative;
-  height: 24px;
-  background: var(--bg-secondary, #f1f5f9);
-  border-radius: 4px;
-  overflow: hidden;
-}
-
-.dup-timeline-segment {
-  position: absolute;
-  top: 2px;
-  height: 20px;
-  border-radius: 3px;
-  opacity: 0.8;
-  cursor: pointer;
-  transition: opacity 0.2s;
-}
-
-.dup-timeline-segment:hover {
-  opacity: 1;
-}
-
-.dup-timeline-segment.low {
-  background: #22c55e;
-}
-
-.dup-timeline-segment.medium {
-  background: #f59e0b;
-}
-
-.dup-timeline-segment.high {
-  background: #ef4444;
-}
-
-.dup-timeline-labels {
-  display: flex;
-  justify-content: space-between;
-  font-size: 12px;
-  color: var(--text-secondary);
-  margin-top: 4px;
-}

apps/web/src/pages/duplication/utils.ts

@@ -1,9 +1,9 @@
 /** 根据查重率获取风险等级 */
 export const getRiskLevel = (rate?: number): "low" | "medium" | "high" => {
   if (rate === undefined) return "low"
-  if (rate < 15) return "low" // <15% 绿色（安全）
-  if (rate <= 30) return "medium" // 15-30% 黄色（注意）
-  return "high" // >30% 红色（危险）
+  if (rate <= 10) return "low"
+  if (rate <= 30) return "medium"
+  return "high"
 }
 
 /** 格式化时间（秒 → mm:ss） */

apps/web/src/pages/editing-planner/components/EditorClipList.tsx

@@ -40,6 +40,13 @@ const clipTypeLabel: Record<ClipType | string, string> = {
   pip: "混剪",
 }
 
+const formatDuration = (sec: number) => {
+  if (sec < 60) return `${sec.toFixed(1)}s`
+  const m = Math.floor(sec / 60)
+  const s = (sec % 60).toFixed(0)
+  return `${m}m${s.padStart(2, "0")}s`
+}
+
 const EditorClipList: React.FC<EditorClipListProps> = ({
   clips,
   selectedClipId,
@@ -95,6 +102,7 @@ const EditorClipList: React.FC<EditorClipListProps> = ({
                   {clipTypeLabel[clip.type] || "片段"}
                 </span>
               </span>
+              <span className="ep-clip-item-duration">{formatDuration(clip.duration)}</span>
             </div>
 
             {/* 文案预览 */}

apps/web/src/pages/editing-planner/components/PreviewPlayer.tsx

@@ -87,7 +87,7 @@ const PreviewPlayer: React.FC<PreviewPlayerProps> = ({
                 WebkitTextStroke: "1px rgba(0,0,0,0.6)",
                 top:
                   titleConfig.position === "top"
-                    ? "6.25%"
+                    ? "8px"
                     : titleConfig.position === "center"
                       ? "50%"
                       : "auto",

apps/web/src/pages/editing-planner/components/TimelinePanel.tsx

@@ -7,6 +7,7 @@
  * - ClipCard - 片段卡片
  * - ClipTrack - 片段轨道（播放头+片段列表+添加卡片）
  * - TimelineHeader - 时间线头部（标题+缩放+操作按钮）
+ * - AddClipPicker - 添加片段选择器
  * - TrimPreview - 裁剪预览 tooltip
  * - ContextMenu - 右键菜单
  *
@@ -26,6 +27,7 @@ import { usePlayheadDrag } from "./timeline/hooks/usePlayheadDrag"
 import { TimeRuler } from "./timeline/TimeRuler"
 import { ClipTrack } from "./timeline/ClipTrack"
 import { TimelineHeader } from "./timeline/TimelineHeader"
+import { AddClipPicker } from "./timeline/AddClipPicker"
 import { TrimPreview } from "./timeline/TrimPreview"
 import { ContextMenu } from "./timeline/ContextMenu"
 
@@ -98,7 +100,16 @@ const TimelinePanel: React.FC<TimelinePanelProps> = ({
     handleContextSplit,
     handleContextResetTrim,
     handleContextDelete,
+    showAddPicker,
+    pickerRef,
     addCardRef,
+    pickerPos,
+    availableTypes,
+    addType,
+    addDuration,
+    setAddType,
+    setAddDuration,
+    handleTogglePicker,
     handleConfirmAdd,
     hoveredClipId,
     setHoveredClipId,
@@ -166,7 +177,7 @@ const TimelinePanel: React.FC<TimelinePanelProps> = ({
           onClipMouseLeave={() => setHoveredClipId(null)}
           onTrimHandleMouseDown={handleTrimHandleMouseDown}
           onClipRemove={onClipRemove}
-          onTogglePicker={handleConfirmAdd}
+          onTogglePicker={handleTogglePicker}
         />
       )}
 
@@ -193,6 +204,20 @@ const TimelinePanel: React.FC<TimelinePanelProps> = ({
           onDelete={handleContextDelete}
         />
       )}
+
+      {/* 类型+时长选择面板 */}
+      {showAddPicker && (
+        <AddClipPicker
+          pickerRef={pickerRef}
+          position={pickerPos}
+          availableTypes={availableTypes}
+          addType={addType}
+          addDuration={addDuration}
+          onTypeChange={setAddType}
+          onDurationChange={setAddDuration}
+          onConfirm={handleConfirmAdd}
+        />
+      )}
     </div>
   )
 }

apps/web/src/pages/editing-planner/components/timeline/AddClipPicker.tsx

@@ -7,8 +7,12 @@ interface AddClipPickerProps {
   position: { top: number; right: number }
   availableTypes: ClipType[]
   addType: ClipType
+  addDuration: number
   onTypeChange: (type: ClipType) => void
+  onDurationChange: (duration: number) => void
   onConfirm: () => void
+  minDuration?: number
+  maxDuration?: number
 }
 
 export const AddClipPicker: React.FC<AddClipPickerProps> = ({
@@ -16,8 +20,12 @@ export const AddClipPicker: React.FC<AddClipPickerProps> = ({
   position,
   availableTypes,
   addType,
+  addDuration,
   onTypeChange,
+  onDurationChange,
   onConfirm,
+  minDuration = 1,
+  maxDuration = 120,
 }) => {
   return (
     <div
@@ -45,6 +53,24 @@ export const AddClipPicker: React.FC<AddClipPickerProps> = ({
         ))}
       </div>
 
+      {/* 时长输入 */}
+      <div className="ep-add-clip-duration-row">
+        <span className="ep-add-clip-type-label">时长:</span>
+        <input
+          type="number"
+          className="ep-duration-input"
+          min={minDuration}
+          max={maxDuration}
+          value={addDuration}
+          onChange={(e) =>
+            onDurationChange(
+              Math.max(minDuration, Math.min(maxDuration, Number(e.target.value) || minDuration)),
+            )
+          }
+        />
+        <span className="ep-add-clip-duration-unit">秒</span>
+      </div>
+
       {/* 确认按钮 */}
       <button className="ep-add-clip-confirm-btn" onClick={onConfirm}>
         添加

apps/web/src/pages/editing-planner/components/timeline/ClipCard.tsx

@@ -105,11 +105,14 @@ export const ClipCard: React.FC<ClipCardProps> = ({
           <span className="ep-clip-name">
             {CLIP_TYPE_LABELS[clip.type] || "片段"} {idx + 1}
           </span>
-          {hasTrim && (
-            <span className="ep-trim-indicator" title="已裁剪">
-              ✂
-            </span>
-          )}
+          <span className="ep-clip-duration">
+            {clip.duration}s
+            {hasTrim && (
+              <span className="ep-trim-indicator" title="已裁剪">
+                ✂
+              </span>
+            )}
+          </span>
         </div>
 
         {/* 速度徽章 */}

apps/web/src/pages/editing-planner/hooks/timeline-menus/useAddPicker.ts

@@ -26,6 +26,8 @@ export function useAddPicker({ currentMode, onAddClip }: UseAddPickerOptions) {
   }, [currentMode])
 
   const [addType, setAddType] = useState<ClipType>(defaultAddType)
+  const [addDuration, setAddDuration] = useState<number>(DEFAULT_ADD_DURATION)
+
   useEffect(() => {
     if (!availableTypes.includes(addType)) {
       setAddType(defaultAddType)
@@ -93,9 +95,9 @@ export function useAddPicker({ currentMode, onAddClip }: UseAddPickerOptions) {
   }, [showAddPicker])
 
   const handleConfirmAdd = useCallback(() => {
-    onAddClip(addType, DEFAULT_ADD_DURATION)
+    onAddClip(addType, addDuration)
     setShowAddPicker(false)
-  }, [onAddClip, addType])
+  }, [onAddClip, addType, addDuration])
 
   return {
     showAddPicker,
@@ -105,8 +107,9 @@ export function useAddPicker({ currentMode, onAddClip }: UseAddPickerOptions) {
     pickerPos,
     availableTypes,
     addType,
-    addDuration: DEFAULT_ADD_DURATION,
+    addDuration,
     setAddType,
+    setAddDuration,
     handleTogglePicker,
     handleConfirmAdd,
   }

apps/web/src/pages/editing-planner/hooks/useTimelineMenus.ts

@@ -35,6 +35,7 @@ export const useTimelineMenus = (
     addType,
     addDuration,
     setAddType,
+    setAddDuration,
     handleTogglePicker,
     handleConfirmAdd,
   } = useAddPicker({ currentMode, onAddClip })
@@ -56,6 +57,7 @@ export const useTimelineMenus = (
     addType,
     addDuration,
     setAddType,
+    setAddDuration,
     handleTogglePicker,
     handleConfirmAdd,
     // 悬停状态

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

@@ -1,11 +1,12 @@
 /**
- * 智能剪辑页面（Issue #1677 多视频批量生成）
- * 5 步向导：选择模板(弹数量) → 素材 → 配音 → 标题(预览+确认生成) → 封面
+ * 智能剪辑页面 — 前端实时预览架构
+ * 6 步向导：选择模板 → 素材 → 配音 → 标题(含预览) → 确认生成 → 选择封面
  *
  * 架构：
- * - N=1：前端 Canvas 实时预览（FrontendPreviewPlayer），零回归
- * - N>1：服务器批量预览（POST /generation/preview?preview_count=N），
- *   N 个变体分别轮询，网格展示、独立可播放、CSS 标题浮层实时叠加、勾选批量生成
+ * - 步骤 4 右侧显示 FrontendPreviewPlayer 实时预览
+ * - 步骤 5 右侧内联播放生成中的/最终视频
+ * - 步骤 6 封面从最终成片中智能选帧（MediaKit）
+ * - 点"确认生成"时调用 createGenerationTask 创建一次服务器渲染任务
  */
 import React, { useMemo, useState, useEffect, useRef, useCallback } from "react"
 import { message } from "antd"
@@ -15,21 +16,21 @@ import { useQuery } from "@tanstack/react-query"
 import { useCloneProgress } from "@/hooks/useCloneProgress"
 import CloneModal from "@/components/voice/CloneModal"
 import GenerateHeader from "./components/GenerateHeader"
+import {
+  calculateTotalVideoDuration,
+  estimateTotalVideoDuration,
+} from "./utils/calculateTotalVideoDuration"
 import FrontendPreviewPlayer from "./components/FrontendPreviewPlayer"
-import ServerPreviewGrid from "./components/ServerPreviewGrid"
-import PreviewCountModal from "./components/PreviewCountModal"
 import GenerateStepsBar from "./components/GenerateStepsBar"
 import GenerateStepContent from "./components/GenerateStepContent"
 import GenerateStepActions from "./components/GenerateStepActions"
 import { useGenerateFormState } from "./hooks/useGenerateFormState"
 import { useStepNavigation } from "./hooks/useStepNavigation"
 import { useGenerateVideo } from "./hooks/useGenerateVideo"
-import { useBatchPreview } from "./hooks/useBatchPreview"
 import { usePreviewAssets } from "./hooks/usePreviewAssets"
 import { useTitleStyleUpdaters } from "./hooks/useStep4Title/useTitleStyleUpdaters"
 import { getAssetsByKind } from "@/api/assets"
 import { previewTts } from "@/api/tts"
-import { calculateResolution } from "./utils/calculateResolution"
 import "./generate.css"
 
 const GeneratePage: React.FC = () => {
@@ -56,8 +57,10 @@ const GeneratePage: React.FC = () => {
     selectedVoice,
     setSelectedVoice,
     voiceMode,
+    setVoiceMode,
     selectedClonedVoice,
-
+    setSelectedClonedVoice,
+    presetVoices,
     cloneModalOpen,
     setCloneModalOpen,
     videoRatio,
@@ -73,51 +76,8 @@ const GeneratePage: React.FC = () => {
     setStoredSourceEditPlanId,
     serverClips,
     setServerClips,
-    previewCount,
-    setPreviewCount,
-    previewTitles,
-    setPreviewTitles,
-    voiceModePerVideo,
-    setVoiceModePerVideo,
-    voiceLibraryIds,
-    setVoiceLibraryIds,
-    previewCovers,
-    setPreviewCovers,
-    selectedVariantIds,
-    setSelectedVariantIds,
   } = formState
 
-  const isBatch = previewCount > 1
-
-  /* ── 配音选择同步：共用配音 ↔ 变体数组 ── */
-  // 触发场景：①共用配音变化 ②批量模式进入/退出 ③独立→共用切换（需把所有变体刷成共用配音）
-  // 独立模式下：仅同步变体[0]（其选择器绑定共用配音），用户单独选择的其他变体不覆盖
-  const prevVoiceSyncRef = useRef({
-    voice: selectedVoice,
-    batch: isBatch,
-    perVideo: voiceModePerVideo,
-  })
-  useEffect(() => {
-    const prev = prevVoiceSyncRef.current
-    const voiceChanged = prev.voice !== selectedVoice
-    const modeChanged = prev.batch !== isBatch || prev.perVideo !== voiceModePerVideo
-    prevVoiceSyncRef.current = { voice: selectedVoice, batch: isBatch, perVideo: voiceModePerVideo }
-    if (!voiceChanged && !modeChanged) return
-    if (!isBatch) return
-    if (!voiceModePerVideo) {
-      // 共用模式（含刚从独立切回）：所有变体跟随共用配音，未选择的补默认值
-      setVoiceLibraryIds((prevIds) => (prevIds || []).map((id) => id || selectedVoice))
-    } else if (voiceChanged) {
-      // 独立模式下共用配音变化：仅同步变体[0]（与共用选择器绑定），其余不覆盖
-      setVoiceLibraryIds((prevIds) =>
-        (prevIds || []).map((id, i) => (i === 0 ? selectedVoice : id)),
-      )
-    }
-  }, [selectedVoice, isBatch, voiceModePerVideo, setVoiceLibraryIds])
-
-  /* ── 数量选择弹窗 ── */
-  const [countModalOpen, setCountModalOpen] = useState(false)
-
   /* ── 标题样式回调 ── */
   const styleUpdaters = useTitleStyleUpdaters({
     titleSettings,
@@ -168,10 +128,11 @@ const GeneratePage: React.FC = () => {
       cancelled = true
       controller.abort()
     }
+    // eslint-disable-next-line react-hooks/exhaustive-deps
   }, [selectedVoice, selectedClonedVoice, titleSettings.title, voiceMaterials])
 
   /* ── 克隆声音 ── */
-  const { addClone } = useCloneProgress()
+  const { clones: clonedVoices, addClone, hasProcessing } = useCloneProgress()
 
   const handleCloneSuccess = (voice: VoiceClone) => {
     addClone(voice)
@@ -200,94 +161,25 @@ const GeneratePage: React.FC = () => {
     [bgm, currentTemplate],
   )
 
-  /* ── 加载素材详情（供前端预览播放器使用） ── */
+  /* ── 加载素材详情（供前端预览播放器使用 + 配音时长校验） ── */
   const previewAssetsEnabled = previewAssetIds.length > 0
   const { assets: previewAssets, ready: previewAssetsReady } = usePreviewAssets(
     previewAssetIds,
     previewAssetsEnabled,
   )
 
-  /* ── 预览就绪 ── */
-  const singlePreviewReady = useMemo(
+  /* ── 预览就绪：素材已加载，且有模板 ── */
+  const previewReady = useMemo(
     () => previewAssetsReady && !!currentTemplate,
     [previewAssetsReady, currentTemplate],
   )
 
-  /* ── 批量服务器预览（N>1） ── */
-  const buildPreviewRequest = useCallback(() => {
-    const { width, height } = calculateResolution(videoRatio || "9:16")
-    const voiceLibraryId =
-      voiceMode === "clone" ? selectedClonedVoice || selectedVoice || "" : selectedVoice || ""
-    return {
-      template_id: selectedTemplate,
-      asset_ids: previewAssetIds,
-      output_width: width,
-      output_height: height,
-      video_ratio: videoRatio,
-      voice_library_id: voiceLibraryId,
-      ...(voiceModePerVideo && voiceLibraryIds.some(Boolean)
-        ? { voice_library_ids: voiceLibraryIds.map((id) => id || voiceLibraryId) }
-        : {}),
-      preview_count: previewCount,
-      // 批量预览不传 titles/title_config：标题文字与样式由前端 CSS 浮层实时叠加
-      // （用户改标题/样式即时可见，无需重渲染）；正式生成时才把标题烧录进成片
-      duration: duration || undefined,
-      bgm_config: {
-        enabled: bgm !== false,
-        ...(bgmConfig?.music_id ? { preset_id: bgmConfig.music_id } : {}),
-      },
-      ...(storedSourceEditPlanId || sourceEditPlanId
-        ? { source_edit_plan_id: storedSourceEditPlanId || sourceEditPlanId || undefined }
-        : {}),
-    }
-  }, [
-    videoRatio,
-    voiceMode,
-    selectedClonedVoice,
-    selectedVoice,
-    selectedTemplate,
-    previewAssetIds,
-    voiceModePerVideo,
-    voiceLibraryIds,
-    previewCount,
-    duration,
-    bgm,
-    bgmConfig,
-    storedSourceEditPlanId,
-    sourceEditPlanId,
-  ])
-
-  const {
-    variants,
-    status: batchPreviewStatus,
-    progress: batchPreviewProgress,
-    failedCount: batchFailedCount,
-    trigger: retryBatchPreview,
-  } = useBatchPreview({
-    enabled: isBatch && currentStep >= 4 && previewAssetIds.length > 0 && !!selectedTemplate,
-    buildRequest: buildPreviewRequest,
-    onPreviewTasksCreated: (_taskIds, planId) => {
-      if (planId) setStoredSourceEditPlanId(planId)
-    },
-  })
-
-  /** 批量预览就绪：全部变体渲染完成 */
-  const batchPreviewReady =
-    isBatch && variants.length > 0 && variants.every((v) => v.status === "ready")
-
-  /** 步骤4整体预览就绪状态 */
-  const previewReady = isBatch ? batchPreviewReady : singlePreviewReady
-
-  /* ── 勾选变体 ── */
-  const toggleVariantSelect = useCallback(
-    (index: number) => {
-      setSelectedVariantIds((prev) => {
-        const list = prev || []
-        return list.includes(index) ? list.filter((i) => i !== index) : [...list, index].sort()
-      })
-    },
-    [setSelectedVariantIds],
-  )
+  /* ── 视频总时长计算 ── */
+  const totalVideoDuration = useMemo(() => {
+    const exact = calculateTotalVideoDuration(previewAssets, currentTemplate ?? undefined)
+    if (exact > 0) return exact
+    return estimateTotalVideoDuration(currentTemplate ?? undefined)
+  }, [previewAssets, currentTemplate])
 
   /* ── 视频生成核心逻辑 ── */
   const {
@@ -319,61 +211,16 @@ const GeneratePage: React.FC = () => {
     sourceEditPlanId: storedSourceEditPlanId || sourceEditPlanId,
     previewTaskId,
     bgmConfig,
-    previewCount,
-    variantTitles: previewTitles,
-    variantVoiceLibraryIds: voiceLibraryIds,
-    voiceModePerVideo,
-    variantCoverUrls: previewCovers,
-    selectedVariantIndexes: isBatch ? selectedVariantIds : undefined,
     onGenerationSuccess: () => {
       setPreviewTaskId(null)
       setStoredSourceEditPlanId(null)
     },
   })
 
-  /* ── 数量弹窗确认：设置数量 + 同步批量数组长度 + 进入步骤2 ── */
-  const handleCountConfirm = useCallback(
-    (count: number) => {
-      setPreviewCount(count)
-      setCountModalOpen(false)
-      // 同步批量数组长度
-      setPreviewTitles((prev) => {
-        const list = prev || []
-        const base = list[0] || titleSettings.title || ""
-        return Array.from({ length: count }, (_, i) => list[i] ?? (i === 0 ? base : ""))
-      })
-      setVoiceLibraryIds((prev) => {
-        const list = prev || []
-        return Array.from({ length: count }, (_, i) => list[i] ?? selectedVoice ?? "")
-      })
-      setPreviewCovers((prev) => {
-        const list = prev || []
-        return Array.from({ length: count }, (_, i) => list[i] ?? "")
-      })
-      setSelectedVariantIds(Array.from({ length: count }, (_, i) => i))
-      setCurrentStep(2)
-    },
-    [
-      setPreviewCount,
-      setPreviewTitles,
-      setVoiceLibraryIds,
-      setPreviewCovers,
-      setSelectedVariantIds,
-      setCurrentStep,
-      titleSettings.title,
-      selectedVoice,
-    ],
-  )
-
-  /* ── 步骤4「确认生成视频」 ── */
+  /* ── 步骤4「确认生成视频」：校验标题/预览 → 创建最终渲染任务 → 成功后进入步骤5 ── */
   const handleConfirmGenerate = useCallback(async () => {
-    // 标题校验
-    if (previewTitles.some((t) => !t?.trim())) {
-      message.warning("请为每个视频输入标题")
-      return
-    }
-    if (isBatch && selectedVariantIds.length === 0) {
-      message.warning("请至少勾选一个视频")
+    if (!titleSettings.title.trim()) {
+      message.warning("请选择或输入标题")
       return
     }
     if (!previewReady) {
@@ -381,18 +228,10 @@ const GeneratePage: React.FC = () => {
       return
     }
     const ok = await handleGenerate()
-    if (ok && !isBatch) {
+    if (ok) {
       setCurrentStep(5)
     }
-    // 批量模式停留在步骤4，右侧网格显示生成进度，完成后点"下一步"进封面
-  }, [
-    isBatch,
-    selectedVariantIds.length,
-    previewReady,
-    previewTitles,
-    handleGenerate,
-    setCurrentStep,
-  ])
+  }, [titleSettings.title, previewReady, handleGenerate, setCurrentStep])
 
   /* ── 步骤导航 ── */
   const { goNext, goPrev } = useStepNavigation({
@@ -405,24 +244,11 @@ const GeneratePage: React.FC = () => {
     titleSettings,
     previewReady,
     generated,
-    previewTitles,
-    selectedCount: isBatch ? selectedVariantIds.length : 1,
-    onOpenCountModal: () => setCountModalOpen(true),
   })
 
-  /* ── 最终成片（单视频右侧播放） ── */
+  /* ── 最终成片（步骤5/6 右侧播放） ── */
   const finalVideo = generatedVideos[0]
 
-  /** 批量生成进度文案 */
-  const batchGeneratingText = useMemo(() => {
-    if (batchPreviewStatus === "loading")
-      return `AI 正在渲染 ${previewCount} 个预览视频… ${batchPreviewProgress}%`
-    if (batchPreviewStatus === "failed") return "预览渲染失败，请重试"
-    if (batchPreviewStatus === "partial_failed")
-      return `${batchFailedCount} 个预览失败，可重新生成或勾选成功的视频`
-    return ""
-  }, [batchPreviewStatus, batchPreviewProgress, batchFailedCount, previewCount])
-
   /* ================================================================
      渲染
      ================================================================ */
@@ -433,142 +259,8 @@ const GeneratePage: React.FC = () => {
 
       <GenerateStepsBar currentStep={currentStep} onStepClick={setCurrentStep} />
 
-      <div
-        className={`xx-generate-layout${currentStep < 4 ? " full-width" : ""}${
-          currentStep === 4 ? " step4-layout" : ""
-        }`}
-      >
-        {/* ════ 步骤4：左侧预览大区域 ════ */}
-        {currentStep === 4 && !!currentTemplate && (
-          <div className="xx-generate-preview-col">
-            {!isBatch ? (
-              /* 单视频：前端 Canvas 实时预览（与旧版一致） */
-              <FrontendPreviewPlayer
-                assets={previewAssets}
-                template={currentTemplate}
-                videoRatio={videoRatio}
-                ready={previewAssets.length > 0}
-                serverClips={serverClips}
-                voiceAudioUrl={previewVoiceAudioUrl || undefined}
-                titleSettings={{
-                  title: titleSettings.title,
-                  size: titleSettings.size,
-                  font: titleSettings.font,
-                  color: titleSettings.color,
-                  position: titleSettings.position as "top" | "center" | "bottom" | "custom",
-                  bold: titleSettings.bold,
-                  italic: titleSettings.italic,
-                  stroke: titleSettings.stroke,
-                  shadow: titleSettings.shadow,
-                  posX: titleSettings.posX,
-                  posY: titleSettings.posY,
-                }}
-                onTitlePositionChange={styleUpdaters.updateTitlePosition}
-              />
-            ) : (
-              /* 批量：服务器预览网格 */
-              <div className="xx-form-section">
-                <div className="xx-preview-header">
-                  <h3>🎬 {previewCount} 个视频预览</h3>
-                  {batchPreviewStatus === "loading" && (
-                    <span style={{ fontSize: 13, color: "var(--text-secondary, #666)" }}>
-                      {batchPreviewProgress}%
-                    </span>
-                  )}
-                  {(batchPreviewStatus === "failed" || batchPreviewStatus === "partial_failed") && (
-                    <button
-                      type="button"
-                      className="xx-btn xx-btn-ghost xx-btn-sm"
-                      onClick={retryBatchPreview}
-                    >
-                      🔄 重新生成预览
-                    </button>
-                  )}
-                </div>
-
-                {batchGeneratingText && (
-                  <div
-                    style={{
-                      fontSize: 13,
-                      color:
-                        batchPreviewStatus === "failed"
-                          ? "var(--error-color, #ef4444)"
-                          : "var(--text-secondary, #666)",
-                      marginBottom: 12,
-                    }}
-                  >
-                    {batchGeneratingText}
-                  </div>
-                )}
-
-                <ServerPreviewGrid
-                  variants={variants}
-                  titles={previewTitles}
-                  titleStyle={{
-                    position: titleSettings.position,
-                    color: titleSettings.color,
-                    size: titleSettings.size,
-                  }}
-                  selectedIds={selectedVariantIds}
-                  onToggleSelect={toggleVariantSelect}
-                  selectable={!generating}
-                />
-
-                {/* 生成中进度（批量） */}
-                {generating && (
-                  <div className="xx-gen-progress-card" style={{ marginTop: 16 }}>
-                    <div className="xx-gen-progress-header">
-                      <div className="xx-gen-progress-info">
-                        <div className="xx-gen-progress-phase">
-                          ⏳ 正在渲染 {selectedVariantIds.length} 个最终视频… {Math.round(progress)}
-                          %
-                        </div>
-                        <div className="xx-gen-progress-sub">
-                          生成过程中可以切换到其他页面，完成后可在任务历史查看
-                        </div>
-                      </div>
-                    </div>
-                    <div className="xx-gen-progress-bar">
-                      <div
-                        className="xx-gen-progress-bar-fill"
-                        style={{ width: `${Math.min(Math.round(progress), 100)}%` }}
-                      />
-                    </div>
-                  </div>
-                )}
-
-                {generateError && !generating && (
-                  <div className="xx-gen-error-card" style={{ marginTop: 16 }}>
-                    <div className="xx-gen-error-info">
-                      <div className="xx-gen-error-title">生成失败</div>
-                      <div className="xx-gen-error-msg">{generateError}</div>
-                    </div>
-                    <button
-                      type="button"
-                      className="xx-btn xx-btn-primary xx-btn-sm"
-                      onClick={handleRetryGenerate}
-                    >
-                      🔄 重试
-                    </button>
-                  </div>
-                )}
-
-                {generated && !generating && (
-                  <div className="xx-gen-success-card" style={{ marginTop: 16 }}>
-                    <div className="xx-gen-success-info">
-                      <div className="xx-gen-success-title">✅ 视频生成完成！</div>
-                      <div className="xx-gen-success-sub">
-                        共生成 {generatedVideos.length} 条视频，点击「下一步」为每个视频选择封面
-                      </div>
-                    </div>
-                  </div>
-                )}
-              </div>
-            )}
-          </div>
-        )}
-
-        {/* ════ 右侧：步骤1~3 表单 / 步骤4 标题边栏 / 步骤5 封面 ════ */}
+      <div className={`xx-generate-layout${currentStep < 4 ? " full-width" : ""}`}>
+        {/* ════ 左侧：表单区 ════ */}
         <div className="xx-generate-form">
           <GenerateStepContent
             currentStep={currentStep}
@@ -599,7 +291,17 @@ const GeneratePage: React.FC = () => {
             onCoverSettingsChange={setCoverSettings}
             selectedVoice={selectedVoice}
             onSelectedVoiceChange={setSelectedVoice}
+            totalVideoDuration={totalVideoDuration}
             onServerClipsChange={setServerClips}
+            voiceMode={voiceMode}
+            onVoiceModeChange={setVoiceMode}
+            selectedClonedVoice={selectedClonedVoice}
+            onSelectedClonedVoiceChange={setSelectedClonedVoice}
+            clonedVoices={clonedVoices}
+            addClone={addClone}
+            hasProcessing={hasProcessing}
+            cloneModalOpen={cloneModalOpen}
+            onCloneModalOpenChange={setCloneModalOpen}
             generating={generating}
             generated={generated}
             generateError={generateError}
@@ -607,16 +309,7 @@ const GeneratePage: React.FC = () => {
             generatedVideos={generatedVideos}
             onRetry={handleRetryGenerate}
             onDismissError={handleDismissError}
-            previewCount={previewCount}
-            previewTitles={previewTitles}
-            onPreviewTitlesChange={setPreviewTitles}
-            voiceModePerVideo={voiceModePerVideo}
-            onVoiceModePerVideoChange={setVoiceModePerVideo}
-            voiceLibraryIds={voiceLibraryIds}
-            onVoiceLibraryIdsChange={setVoiceLibraryIds}
-            previewCovers={previewCovers}
-            onPreviewCoversChange={setPreviewCovers}
-            selectedVariantIds={selectedVariantIds}
+            presetVoices={presetVoices}
           />
 
           <GenerateStepActions
@@ -627,20 +320,40 @@ const GeneratePage: React.FC = () => {
             generating={generating}
             generated={generated}
             generateError={generateError}
-            selectedCount={isBatch ? selectedVariantIds.length : 1}
           />
         </div>
 
-        {/* ════ 步骤5（封面）：成片播放器（单视频） ════ */}
-        {currentStep === 5 && !isBatch && generated && finalVideo && (
-          <div className="xx-generate-right-col">
+        {/* ════ 右侧：步骤4实时预览，步骤5/6最终视频 ════ */}
+        <div className="xx-generate-right-col">
+          {currentStep === 4 && !!currentTemplate && (
+            <FrontendPreviewPlayer
+              assets={previewAssets}
+              template={currentTemplate}
+              videoRatio={videoRatio}
+              ready={previewAssets.length > 0}
+              serverClips={serverClips}
+              voiceAudioUrl={previewVoiceAudioUrl || undefined}
+              titleSettings={{
+                title: titleSettings.title,
+                size: titleSettings.size,
+                font: titleSettings.font,
+                color: titleSettings.color,
+                position: titleSettings.position as "top" | "center" | "bottom",
+                bold: titleSettings.bold,
+                italic: titleSettings.italic,
+                stroke: titleSettings.stroke,
+                shadow: titleSettings.shadow,
+              }}
+            />
+          )}
+          {currentStep >= 5 && generated && finalVideo && (
             <div className="xx-inline-video-player">
               <video
                 src={finalVideo.download_url || finalVideo.file_url}
                 controls
-                autoPlay
+                autoPlay={currentStep === 5}
                 style={{ width: "100%", maxHeight: "70vh", objectFit: "contain", borderRadius: 12 }}
-                poster={finalVideo.thumbnail_url}
+                poster={finalVideo.thumbnail_url || undefined}
               />
               <div style={{ display: "flex", gap: 8, marginTop: 12, justifyContent: "center" }}>
                 <button className="xx-btn xx-btn-ghost xx-btn-sm" onClick={handleDownload}>
@@ -657,18 +370,10 @@ const GeneratePage: React.FC = () => {
                 </button>
               </div>
             </div>
-          </div>
-        )}
+          )}
+        </div>
       </div>
 
-      {/* 数量选择弹窗 */}
-      <PreviewCountModal
-        open={countModalOpen}
-        defaultCount={1}
-        onConfirm={handleCountConfirm}
-        onCancel={() => setCountModalOpen(false)}
-      />
-
       {/* 音色克隆弹窗 */}
       <CloneModal
         open={cloneModalOpen}

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

@@ -32,15 +32,12 @@ interface FrontendPreviewPlayerProps {
     size: number
     font: string
     color: string
-    position: "top" | "center" | "bottom" | "custom"
+    position: "top" | "center" | "bottom"
     bold?: boolean
     italic?: boolean
     stroke?: boolean
     shadow?: boolean
-    posX?: number | null
-    posY?: number | null
   }
-  onTitlePositionChange?: (posX: number, posY: number) => void
 }
 
 function formatTime(seconds: number): string {
@@ -108,7 +105,6 @@ const FrontendPreviewPlayer: React.FC<FrontendPreviewPlayerProps> = ({
   serverClips,
   voiceAudioUrl,
   titleSettings,
-  onTitlePositionChange,
 }) => {
   const segments = useMemo(
     () => buildPlaybackSegments(assets, template, serverClips),
@@ -130,69 +126,6 @@ const FrontendPreviewPlayer: React.FC<FrontendPreviewPlayerProps> = ({
         return { width: 1080, height: 1920 }
     }
   })()
-  const customTitleXPct =
-    titleSettings?.posX != null && playRes.width > 0
-      ? (titleSettings.posX / playRes.width) * 100
-      : null
-  const customTitleYPct =
-    titleSettings?.posY != null && playRes.height > 0
-      ? (titleSettings.posY / playRes.height) * 100
-      : null
-
-  // ── 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 handleTitlePointerDown = useCallback(
-    (e: React.PointerEvent<HTMLDivElement>) => {
-      if (!onTitlePositionChange || !playerContainerRef.current) return
-      e.preventDefault()
-      e.stopPropagation()
-      ;(e.target as Element).setPointerCapture(e.pointerId)
-      draggingTitleRef.current = true
-      ;(e.currentTarget as HTMLDivElement).style.cursor = "grabbing"
-    },
-    [onTitlePositionChange],
-  )
-  const handleTitlePointerMove = useCallback((e: React.PointerEvent<HTMLDivElement>) => {
-    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))
-      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 = useCallback(
-    (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))
-        const relY = Math.max(0, Math.min(rect.height, e.clientY - rect.top))
-        const posX = Math.round((relX / rect.width) * playRes.width)
-        const posY = Math.round((relY / rect.height) * playRes.height)
-        onTitlePositionChange(posX, posY)
-      }
-      ;(e.currentTarget as HTMLDivElement).style.cursor = "grab"
-      try {
-        if ((e.currentTarget as Element).hasPointerCapture(e.pointerId)) {
-          ;(e.currentTarget as Element).releasePointerCapture(e.pointerId)
-        }
-      } catch {
-        /* ignore */
-      }
-    },
-    [onTitlePositionChange, playRes.width, playRes.height],
-  )
-
   const playerContainerRef = useRef<HTMLDivElement>(null)
   const [containerHeight, setContainerHeight] = useState(0)
   useEffect(() => {
@@ -591,38 +524,15 @@ const FrontendPreviewPlayer: React.FC<FrontendPreviewPlayerProps> = ({
           <div
             style={{
               position: "absolute",
-              width: `${100 - 2 * titleSidePct}%`,
-              maxWidth: `${100 - 2 * titleSidePct}%`,
-              ...(customTitleXPct != null && customTitleYPct != null
-                ? {
-                    left: `${customTitleXPct}%`,
-                    top: `${customTitleYPct}%`,
-                    transform: "translate(-50%, -50%)",
-                    textAlign: "center" as const,
-                  }
-                : {
-                    left: "50%",
-                    transform: "translateX(-50%)",
-                    textAlign: "center" as const,
-                    ...(titleSettings.position === "top"
-                      ? { top: `${titleTopPct}%` }
-                      : titleSettings.position === "center"
-                        ? { top: "50%", transform: "translate(-50%, -50%)" }
-                        : { bottom: `${titleBottomPct}%` }),
-                  }),
-              pointerEvents: "auto",
-              cursor: onTitlePositionChange ? "grab" : "default",
-              touchAction: "none",
-              userSelect: "none",
-              WebkitUserSelect: "none",
-              padding: "8px 12px",
-              boxShadow: "inset 0 0 0 16px transparent",
+              left: `${titleSidePct}%`,
+              right: `${titleSidePct}%`,
+              textAlign: "center",
+              ...(titleSettings.position === "top"
+                ? { top: `${titleTopPct}%` }
+                : titleSettings.position === "center"
+                  ? { top: "50%", transform: "translateY(-50%)" }
+                  : { bottom: `${titleBottomPct}%` }),
             }}
-            ref={titleDragRef}
-            onPointerDown={handleTitlePointerDown}
-            onPointerMove={handleTitlePointerMove}
-            onPointerUp={handleTitlePointerUp}
-            onPointerCancel={handleTitlePointerUp}
           >
             <span
               style={{

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

@@ -1,10 +1,10 @@
 /**
- * GeneratePage 步骤底部操作按钮（Issue #1677 改造后 5 步）
+ * GeneratePage 步骤底部操作按钮
  *
  * 步骤 1~3：上一步 / 下一步
- * 步骤 4（标题+预览+确认生成）：确认生成按钮在右侧边栏底部（含勾选数量），
- *   渲染中显示进度；生成完成后显示"下一步 → 选择封面"
- * 步骤 5（选择封面）：仅上一步
+ * 步骤 4（标题+预览）：上一步 / 确认生成视频（点击后直接创建最终渲染任务，成功后跳转步骤5）
+ * 步骤 5（确认生成）：上一步 / 下一步（渲染中禁用，渲染完成后可进入封面）
+ * 步骤 6（选择封面）：仅上一步
  */
 import React from "react"
 
@@ -17,11 +17,9 @@ export interface GenerateStepActionsProps {
   generating: boolean
   generated: boolean
   generateError: string | null
-  /** 批量模式下勾选的视频数量（N=1 时为1） */
-  selectedCount?: number
 }
 
-const GenerateStepActions: React.FC<GenerateStepActionsProps> = ({
+export const GenerateStepActions: React.FC<GenerateStepActionsProps> = ({
   currentStep,
   onPrev,
   onNext,
@@ -29,10 +27,9 @@ const GenerateStepActions: React.FC<GenerateStepActionsProps> = ({
   generating,
   generated,
   generateError,
-  selectedCount = 1,
 }) => {
   const renderPrimaryButton = () => {
-    /* 步骤 1~3：上一步 / 下一步 */
+    /* 步骤 1~3：上一步 / 下一步（必填校验由 useStepNavigation.goNext 统一处理） */
     if (currentStep < 4) {
       return (
         <button className="xx-btn xx-btn-primary" onClick={onNext}>
@@ -41,7 +38,7 @@ const GenerateStepActions: React.FC<GenerateStepActionsProps> = ({
       )
     }
 
-    /* 步骤 4：标题+预览+确认生成 */
+    /* 步骤 4：确认生成视频（触发按钮在标题页） */
     if (currentStep === 4) {
       if (generating) {
         return (
@@ -60,18 +57,31 @@ const GenerateStepActions: React.FC<GenerateStepActionsProps> = ({
       if (generated) {
         return (
           <button className="xx-btn xx-btn-primary" onClick={onNext}>
-            下一步：选择封面 →
+            下一步 →
           </button>
         )
       }
       return (
         <button className="xx-btn xx-btn-primary" onClick={onConfirmGenerate}>
-          {selectedCount > 1 ? `✨ 确认生成 ${selectedCount} 个视频` : "✨ 确认生成视频"}
+          ✨ 确认生成视频
         </button>
       )
     }
 
-    /* 步骤 5（封面，最后一步）：无主按钮 */
+    /* 步骤 5：渲染中禁用，完成后下一步进入封面 */
+    if (currentStep === 5) {
+      return (
+        <button
+          className="xx-btn xx-btn-primary"
+          onClick={onNext}
+          disabled={generating || !generated}
+        >
+          {generating ? "视频生成中…" : "下一步 →"}
+        </button>
+      )
+    }
+
+    /* 步骤 6（最后一步）：无主按钮 */
     return null
   }
 

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

@@ -1,16 +1,19 @@
 /**
  * GeneratePage 步骤内容渲染
- * 步骤顺序（5步，Issue #1677）：模板(1) → 素材(2) → 配音(3) → 标题+预览+确认生成(4) → 封面(5)
+ * 步骤顺序（6步）：模板(1) → 素材(2) → 配音(3) → 标题(4) → 确认生成(5) → 封面(6)
  */
 import React from "react"
 import type { EditingTemplate } from "@/api/editing-planner"
 import type { EditPlanClip } from "@/api/template-editor"
+import type { PresetVoiceItem } from "@/api/voices"
+import type { VoiceClone } from "@/api/voice-clone"
 import type { CoverConfig } from "../types/cover"
 import type { TitleSettings } from "../types"
 import Step1TemplateSelect from "../components/Step1TemplateSelect"
 import Step2MaterialSelect from "../components/Step2MaterialSelect"
-import Step3VoiceWithMode from "./Step3VoiceWithMode"
+import Step3VoiceSelect from "../components/Step5VoiceSelect"
 import Step4TitleSettings from "../components/Step4TitleSettings"
+import Step5ConfirmGenerate from "../components/Step7ConfirmGenerate"
 import Step6CoverSettings from "../components/Step6CoverSettings"
 import type { GeneratedVideo } from "@/api/template-editor"
 
@@ -46,7 +49,17 @@ export interface GenerateStepContentProps {
   /* 配音 */
   selectedVoice: string
   onSelectedVoiceChange: (id: string) => void
+  totalVideoDuration?: number
   onServerClipsChange: (clips: EditPlanClip[]) => void
+  voiceMode: "preset" | "custom" | "clone"
+  onVoiceModeChange: (mode: "preset" | "custom" | "clone") => void
+  selectedClonedVoice: string
+  onSelectedClonedVoiceChange: (id: string) => void
+  clonedVoices: VoiceClone[]
+  addClone: (voice: VoiceClone) => void
+  hasProcessing: boolean
+  cloneModalOpen: boolean
+  onCloneModalOpenChange: (open: boolean) => void
   /* 生成 */
   generating: boolean
   generated: boolean
@@ -55,22 +68,12 @@ export interface GenerateStepContentProps {
   generatedVideos: GeneratedVideo[]
   onRetry: () => void
   onDismissError: () => void
+  /* 其他 */
+  presetVoices: PresetVoiceItem[]
   /** BGM 开关 */
   bgm: boolean
   /** BGM 配置（来自模板） */
   bgmConfig?: { enabled: boolean; music_id?: string }
-  /* ── 批量生成（#1677）── */
-  previewCount: number
-  previewTitles: string[]
-  onPreviewTitlesChange: (titles: string[]) => void
-  voiceModePerVideo: boolean
-  onVoiceModePerVideoChange: (v: boolean) => void
-  voiceLibraryIds: string[]
-  onVoiceLibraryIdsChange: (ids: string[]) => void
-  previewCovers: string[]
-  onPreviewCoversChange: (urls: string[]) => void
-  /** 批量模式勾选的变体索引（封面卡片按勾选顺序展示） */
-  selectedVariantIds?: number[]
 }
 
 export const GenerateStepContent: React.FC<GenerateStepContentProps> = (props) => {
@@ -101,18 +104,19 @@ export const GenerateStepContent: React.FC<GenerateStepContentProps> = (props) =
     onCoverSettingsChange,
     selectedVoice,
     onSelectedVoiceChange,
+    totalVideoDuration,
     onServerClipsChange,
+    voiceMode,
+    selectedClonedVoice,
+    clonedVoices,
+    generating,
+    generated,
+    generateError,
+    progress,
     generatedVideos,
-    previewCount,
-    previewTitles,
-    onPreviewTitlesChange,
-    voiceModePerVideo,
-    onVoiceModePerVideoChange,
-    voiceLibraryIds,
-    onVoiceLibraryIdsChange,
-    previewCovers,
-    onPreviewCoversChange,
-    selectedVariantIds,
+    onRetry,
+    onDismissError,
+    presetVoices,
   } = props
 
   /* 当前模板的 segments，传给 Step2 构建 clips */
@@ -144,14 +148,10 @@ export const GenerateStepContent: React.FC<GenerateStepContentProps> = (props) =
       )
     case 3:
       return (
-        <Step3VoiceWithMode
-          previewCount={previewCount}
+        <Step3VoiceSelect
           selectedVoice={selectedVoice}
           onSelectedVoiceChange={onSelectedVoiceChange}
-          voiceModePerVideo={voiceModePerVideo}
-          onVoiceModePerVideoChange={onVoiceModePerVideoChange}
-          voiceLibraryIds={voiceLibraryIds}
-          onVoiceLibraryIdsChange={onVoiceLibraryIdsChange}
+          totalVideoDuration={totalVideoDuration}
         />
       )
     case 4:
@@ -170,12 +170,33 @@ export const GenerateStepContent: React.FC<GenerateStepContentProps> = (props) =
           onApplyPreset={onApplyPreset}
           activePreset={activePreset}
           titlePresets={titlePresets}
-          previewCount={previewCount}
-          previewTitles={previewTitles}
-          onPreviewTitlesChange={onPreviewTitlesChange}
         />
       )
     case 5:
+      return (
+        <Step5ConfirmGenerate
+          templates={userTemplates}
+          selectedTemplate={selectedTemplate}
+          materialMode={materialMode}
+          selectedMaterials={selectedMaterials}
+          smartSelectedIds={smartSelectedIds}
+          title={titleSettings.title}
+          voiceMode={voiceMode}
+          selectedVoice={selectedVoice}
+          selectedClonedVoice={selectedClonedVoice}
+          presetVoices={presetVoices}
+          clonedVoices={clonedVoices}
+          coverSettings={coverSettings}
+          generating={generating}
+          generated={generated}
+          generateError={generateError}
+          progress={progress}
+          generatedVideos={generatedVideos}
+          onRetry={onRetry}
+          onDismissError={onDismissError}
+        />
+      )
+    case 6:
       return (
         <Step6CoverSettings
           coverSettings={coverSettings}
@@ -183,11 +204,6 @@ export const GenerateStepContent: React.FC<GenerateStepContentProps> = (props) =
           selectedTemplate={selectedTemplate}
           titleSettings={titleSettings}
           generatedVideos={generatedVideos}
-          previewCount={previewCount}
-          previewTitles={previewTitles}
-          previewCovers={previewCovers}
-          onPreviewCoversChange={onPreviewCoversChange}
-          selectedVariantIndexes={selectedVariantIds}
         />
       )
     default:

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

@@ -1,127 +0,0 @@
-/**
- * 生成数量选择弹窗（Issue #1677）
- * Step1 选完模板点「下一步」时弹出：要生成几个视频？（1~10）
- * 默认 1，回车 = 1（零额外操作）
- */
-import React, { useState, useEffect, useRef } from "react"
-import { MAX_PREVIEW_COUNT } from "../constants"
-
-interface PreviewCountModalProps {
-  open: boolean
-  /** 默认值（上次选择，默认1） */
-  defaultCount?: number
-  onConfirm: (count: number) => void
-  onCancel: () => void
-}
-
-const PreviewCountModal: React.FC<PreviewCountModalProps> = ({
-  open,
-  defaultCount = 1,
-  onConfirm,
-  onCancel,
-}) => {
-  const [count, setCount] = useState(defaultCount)
-  const inputRef = useRef<HTMLInputElement>(null)
-
-  useEffect(() => {
-    if (open) {
-      setCount(defaultCount)
-      // 弹窗打开后聚焦并选中，方便直接回车=默认1
-      setTimeout(() => inputRef.current?.focus(), 50)
-    }
-  }, [open, defaultCount])
-
-  const clamp = (n: number) => Math.max(1, Math.min(MAX_PREVIEW_COUNT, n || 1))
-
-  const handleConfirm = () => {
-    onConfirm(clamp(count))
-  }
-
-  const handleKeyDown = (e: React.KeyboardEvent) => {
-    if (e.key === "Enter") {
-      e.preventDefault()
-      handleConfirm()
-    }
-    if (e.key === "Escape") {
-      onCancel()
-    }
-  }
-
-  if (!open) return null
-
-  return (
-    <div className="xx-modal-mask" onClick={onCancel}>
-      <div className="xx-modal-box xx-count-modal" onClick={(e) => e.stopPropagation()}>
-        <h3 style={{ margin: "0 0 8px", fontSize: 18 }}>要生成几个视频？</h3>
-        <p style={{ margin: "0 0 20px", fontSize: 13, color: "var(--text-secondary, #666)" }}>
-          素材共用，AI 随机剪辑出不同版本，每个视频可独立设置标题、配音和封面
-        </p>
-
-        <div className="xx-count-selector">
-          <button
-            type="button"
-            className="xx-count-btn"
-            onClick={() => setCount((c) => clamp(c - 1))}
-            disabled={count <= 1}
-            aria-label="减少"
-          >
-            −
-          </button>
-          <input
-            ref={inputRef}
-            type="number"
-            min={1}
-            max={MAX_PREVIEW_COUNT}
-            value={count}
-            onChange={(e) => setCount(clamp(parseInt(e.target.value, 10) || 1))}
-            onKeyDown={handleKeyDown}
-            className="xx-count-input"
-          />
-          <button
-            type="button"
-            className="xx-count-btn"
-            onClick={() => setCount((c) => clamp(c + 1))}
-            disabled={count >= MAX_PREVIEW_COUNT}
-            aria-label="增加"
-          >
-            +
-          </button>
-        </div>
-
-        <div className="xx-count-quick">
-          {[1, 3, 5, 10].map((n) => (
-            <button
-              key={n}
-              type="button"
-              className={`xx-count-chip ${count === n ? "active" : ""}`}
-              onClick={() => setCount(n)}
-            >
-              {n} 个
-            </button>
-          ))}
-        </div>
-
-        <div className="xx-count-actions">
-          <button type="button" className="xx-btn xx-btn-ghost" onClick={onCancel}>
-            取消
-          </button>
-          <button type="button" className="xx-btn xx-btn-primary" onClick={handleConfirm}>
-            {count === 1 ? "生成 1 个视频" : `生成 ${count} 个视频`}
-          </button>
-        </div>
-        <p
-          style={{
-            margin: "12px 0 0",
-            fontSize: 12,
-            color: "var(--text-tertiary, #999)",
-            textAlign: "center",
-          }}
-        >
-          直接按回车 = 生成 1 个
-        </p>
-      </div>
-    </div>
-  )
-}
-
-export default PreviewCountModal

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

@@ -1,127 +0,0 @@
-/**
- * 批量预览网格（Issue #1677）
- * N 个服务器渲染的预览视频，网格排列、各自独立播放、CSS 标题浮层实时叠加、勾选框批量选择
- */
-import React from "react"
-import { LoadingOutlined, CheckCircleFilled, CloseCircleOutlined } from "@ant-design/icons"
-import type { VariantPreview } from "../hooks/useBatchPreview"
-
-interface ServerPreviewGridProps {
-  variants: VariantPreview[]
-  /** 每个变体的标题文字（实时叠加浮层） */
-  titles: string[]
-  /** 标题样式（全局共用） */
-  titleStyle: {
-    position: string
-    color: string
-    size: number
-  }
-  /** 勾选的变体索引 */
-  selectedIds: number[]
-  onToggleSelect: (index: number) => void
-  /** 是否显示勾选框（确认生成前） */
-  selectable?: boolean
-}
-
-const ServerPreviewGrid: React.FC<ServerPreviewGridProps> = ({
-  variants,
-  titles,
-  titleStyle,
-  selectedIds,
-  onToggleSelect,
-  selectable = true,
-}) => {
-  if (variants.length === 0) return null
-
-  return (
-    <div className="xx-variant-grid">
-      {variants.map((v) => {
-        const selected = selectedIds.includes(v.index)
-        const titleText = titles[v.index] || ""
-        return (
-          <div
-            key={v.index}
-            className={`xx-variant-card ${selected ? "selected" : ""} ${
-              v.status === "failed" ? "failed" : ""
-            }`}
-            onClick={() => {
-              if (selectable && v.status === "ready") onToggleSelect(v.index)
-            }}
-            role="button"
-            tabIndex={0}
-          >
-            {/* 勾选框 */}
-            {selectable && v.status === "ready" && (
-              <div className={`xx-variant-check ${selected ? "checked" : ""}`}>
-                {selected && "✓"}
-              </div>
-            )}
-
-            {/* 变体序号 */}
-            <div className="xx-variant-index">视频 {v.index + 1}</div>
-
-            {/* 视频区域 */}
-            <div className="xx-variant-video-wrap">
-              {v.status === "loading" && (
-                <div className="xx-variant-loading">
-                  <LoadingOutlined style={{ fontSize: 28, color: "#3b82f6" }} />
-                  <div className="xx-variant-progress">
-                    <div
-                      className="xx-variant-progress-bar"
-                      style={{ width: `${Math.min(v.progress, 100)}%` }}
-                    />
-                  </div>
-                  <span className="xx-variant-progress-text">{v.progress}%</span>
-                </div>
-              )}
-              {v.status === "failed" && (
-                <div className="xx-variant-failed">
-                  <CloseCircleOutlined style={{ fontSize: 28, color: "#ef4444" }} />
-                  <span>{v.error || "预览失败"}</span>
-                </div>
-              )}
-              {v.status === "ready" && v.videoUrl && (
-                <>
-                  <video
-                    src={v.videoUrl}
-                    controls
-                    style={{ width: "100%", display: "block", background: "#000", borderRadius: 8 }}
-                    onClick={(e) => e.stopPropagation()}
-                  />
-                  {/* 标题浮层（CSS 实时叠加，改标题即时可见） */}
-                  {titleText && (
-                    <div
-                      className={`xx-variant-title-overlay pos-${titleStyle.position}`}
-                      style={{
-                        color: titleStyle.color,
-                        fontSize: Math.max(13, Math.round(titleStyle.size * 0.55)),
-                        WebkitTextStroke: "0.5px rgba(0,0,0,0.6)",
-                      }}
-                      onClick={(e) => e.stopPropagation()}
-                    >
-                      {titleText}
-                    </div>
-                  )}
-                </>
-              )}
-            </div>
-
-            {/* 底部状态 */}
-            <div className="xx-variant-footer">
-              {v.status === "ready" && selected && (
-                <span className="xx-variant-ready-tag">
-                  <CheckCircleFilled style={{ color: "#52c41a" }} /> 已选择
-                </span>
-              )}
-              {v.status === "ready" && !selected && selectable && (
-                <span className="xx-variant-skip-tag">点击卡片取消/勾选</span>
-              )}
-            </div>
-          </div>
-        )
-      })}
-    </div>
-  )
-}
-
-export default ServerPreviewGrid

apps/web/src/pages/generate/components/Step1TemplateSelect.tsx

@@ -47,7 +47,9 @@ const Step1TemplateSelect: React.FC<Step1TemplateSelectProps> = (props) => {
                 🎬
               </div>
               <h4>{tpl.name}</h4>
-              <p>{tpl.segments.length}片段</p>
+              <p>
+                {tpl.estimated_duration}s · {tpl.segments.length}片段
+              </p>
               {tpl.tags.length > 0 && (
                 <div
                   style={{

apps/web/src/pages/generate/components/Step3VoiceWithMode.tsx

@@ -1,102 +0,0 @@
-/**
- * Step3 配音选择（Issue #1677 批量生成）
- * - 单视频 / 共用模式：与原配音选择完全一致
- * - 独立模式（开关开启）：N 个配音选择器，每个视频独立选择
- */
-import React from "react"
-import Step3VoiceSelect from "./Step5VoiceSelect"
-
-interface Step3VoiceWithModeProps {
-  previewCount: number
-  /** 共用配音ID */
-  selectedVoice: string
-  onSelectedVoiceChange: (id: string) => void
-  /** 是否独立配音 */
-  voiceModePerVideo: boolean
-  onVoiceModePerVideoChange: (v: boolean) => void
-  /** 各变体独立配音ID */
-  voiceLibraryIds: string[]
-  onVoiceLibraryIdsChange: (ids: string[]) => void
-}
-
-const Step3VoiceWithMode: React.FC<Step3VoiceWithModeProps> = ({
-  previewCount,
-  selectedVoice,
-  onSelectedVoiceChange,
-  voiceModePerVideo,
-  onVoiceModePerVideoChange,
-  voiceLibraryIds,
-  onVoiceLibraryIdsChange,
-}) => {
-  const isBatch = previewCount > 1
-
-  if (!isBatch) {
-    return (
-      <Step3VoiceSelect
-        selectedVoice={selectedVoice}
-        onSelectedVoiceChange={onSelectedVoiceChange}
-      />
-    )
-  }
-
-  return (
-    <div className="xx-form-section">
-      {/* 共用/独立切换 */}
-      <div className="xx-title-ai-toggle" style={{ marginBottom: 16 }}>
-        <div>
-          <div style={{ fontWeight: 600, fontSize: 15 }}>
-            🎙️ 配音方式：{voiceModePerVideo ? "每个视频独立配音" : "所有视频共用配音"}
-          </div>
-          <div style={{ fontSize: 12, color: "var(--text-tertiary, #999)", marginTop: 2 }}>
-            {voiceModePerVideo
-              ? `为 ${previewCount} 个视频分别选择不同配音`
-              : "所有视频使用同一个配音（默认）"}
-          </div>
-        </div>
-        <div
-          className={`xx-switch ${voiceModePerVideo ? "active" : ""}`}
-          onClick={() => onVoiceModePerVideoChange(!voiceModePerVideo)}
-          role="switch"
-          aria-checked={voiceModePerVideo}
-          tabIndex={0}
-          onKeyDown={(e) => {
-            if (e.key === "Enter" || e.key === " ") {
-              e.preventDefault()
-              onVoiceModePerVideoChange(!voiceModePerVideo)
-            }
-          }}
-        >
-          <div className="xx-switch-knob" />
-        </div>
-      </div>
-
-      {!voiceModePerVideo ? (
-        <Step3VoiceSelect
-          heading="🎙️ 共用配音"
-          description={`所有 ${previewCount} 个视频使用同一个配音，点击卡片可预览播放`}
-          selectedVoice={selectedVoice}
-          onSelectedVoiceChange={onSelectedVoiceChange}
-        />
-      ) : (
-        <div className="xx-per-voice-list">
-          {Array.from({ length: previewCount }, (_, i) => (
-            <Step3VoiceSelect
-              key={i}
-              heading={`🎙️ 视频 ${i + 1} 的配音`}
-              description="为这个视频单独选择配音"
-              compact
-              selectedVoice={voiceLibraryIds[i] || ""}
-              onSelectedVoiceChange={(id) => {
-                const next = [...voiceLibraryIds]
-                next[i] = id
-                onVoiceLibraryIdsChange(next)
-              }}
-            />
-          ))}
-        </div>
-      )}
-    </div>
-  )
-}
-
-export default Step3VoiceWithMode

apps/web/src/pages/generate/components/Step4TitleSettings.tsx

@@ -1,13 +1,12 @@
 /**
- * Step 4 选择标题（Issue #1677 批量生成改造）
+ * Step 4 选择标题（合并原 Step4 标题输入 + Step5 标题样式面板）
  *
- * 布局（由 GeneratePage 编排）：左侧大区域预览，右侧边栏标题设置。
- * 本组件渲染在右侧边栏：
- * - 标题文字：1 个视频 1 个输入框；N 个视频 N 个输入框各自独立
- * - 标题样式（字体/颜色/位置/大小/粗斜描边/预设）：全局统一
+ * 左侧：标题文字输入 + AI生成标题 + 样式设置（位置/字号/字体/颜色/样式/预设）
+ * 右侧：FrontendPreviewPlayer 实时预览（由 GeneratePage 统一渲染）
  */
 import React from "react"
-import { AutoComplete, Input } from "antd"
+import { AutoComplete } from "antd"
+import { PlayCircleOutlined } from "@ant-design/icons"
 import type { TitleSettings } from "../types"
 import { POSITION_OPTIONS, FONT_OPTIONS } from "../constants"
 import { useStep4Title } from "../hooks/useStep4Title"
@@ -30,12 +29,6 @@ interface Step4TitleSettingsProps {
   onApplyPreset: (presetKey: string) => void
   activePreset: string | null
   titlePresets: { key: string; label: string; previewStyle: React.CSSProperties }[]
-  /* ── 批量生成（#1677）── */
-  /** 生成数量 */
-  previewCount?: number
-  /** 每个变体的标题文字（长度=previewCount） */
-  previewTitles?: string[]
-  onPreviewTitlesChange?: (titles: string[]) => void
 }
 
 const Step4TitleSettings: React.FC<Step4TitleSettingsProps> = (props) => {
@@ -51,138 +44,122 @@ const Step4TitleSettings: React.FC<Step4TitleSettingsProps> = (props) => {
     onApplyPreset,
     activePreset,
     titlePresets,
-    previewCount = 1,
-    previewTitles,
-    onPreviewTitlesChange,
   } = props
 
-  const isBatch = previewCount > 1
-
-  /** 更新单个变体标题；变体0同步写回 titleSettings.title（全局样式面板/草稿保存依赖） */
-  const updateVariantTitle = (index: number, val: string) => {
-    if (!previewTitles || !onPreviewTitlesChange) return
-    const next = [...previewTitles]
-    next[index] = val
-    onPreviewTitlesChange(next)
-    if (index === 0) {
-      t.updateTitle(val)
-    }
-  }
-
   return (
-    <div className="xx-form-section xx-title-sidebar">
+    <div className="xx-form-section">
       <h3>📝 选择标题</h3>
 
-      {!isBatch ? (
-        /* ── 单视频：原有 AI 标题 + 输入框（保持不变） ── */
+      {/* AI 自动选择模式 */}
+      {t.titleSettings.aiAutoSelect && (
         <>
-          {t.titleSettings.aiAutoSelect ? (
-            <>
-              <div className="xx-title-ai-toggle">
-                <span className="xx-toggle-label">AI 自动选择标题</span>
-                <div className="xx-switch active" onClick={t.toggleAiAutoSelect}>
-                  <div className="xx-switch-knob" />
-                </div>
-              </div>
-              <div className="xx-form-field">
-                <label>当前 AI 选定标题</label>
-                <div
-                  style={{
-                    display: "flex",
-                    alignItems: "center",
-                    gap: 10,
-                    padding: "8px 12px",
-                    background: "var(--bg-secondary, rgba(0,0,0,0.04))",
-                    borderRadius: 8,
-                    fontSize: 14,
-                    color: "var(--text-primary, #333)",
-                  }}
-                >
-                  <span style={{ flex: 1 }}>
-                    {(previewTitles?.[0] ?? t.titleSettings.title) || "AI 将自动为你选择标题"}
-                  </span>
-                  <button
-                    type="button"
-                    className="xx-btn xx-btn-primary"
-                    style={{ flexShrink: 0, fontSize: 13, padding: "4px 12px" }}
-                    onClick={t.autoGenerateTitle}
-                  >
-                    🔄 换一个
-                  </button>
-                </div>
-              </div>
-            </>
-          ) : (
-            <>
-              <AiTitleGenerator
-                inputValue={t.aiTitleInput}
-                onInputChange={t.setAiTitleInput}
-                generating={t.aiTitleGenerating}
-                onGenerate={t.handleGenerateAiTitles}
-                results={t.aiTitleResults}
-                hasGenerated={t.hasGeneratedTitles}
-                onSelect={t.handleSelectAiTitle}
-                selectedTitle={t.titleSettings.title}
-                onRefresh={t.handleRefreshAiTitles}
-              />
-
-              <div className="xx-title-ai-toggle">
-                <span className="xx-toggle-label">AI 自动选择标题</span>
-                <div className="xx-switch" onClick={t.toggleAiAutoSelect}>
-                  <div className="xx-switch-knob" />
-                </div>
-              </div>
-              <div className="xx-form-field">
-                <label>标题</label>
-                <AutoComplete
-                  placeholder="输入标题文字…"
-                  allowClear
-                  maxLength={50}
-                  style={{ width: "100%" }}
-                  value={(previewTitles?.[0] ?? t.titleSettings.title) || undefined}
-                  onChange={(val) => {
-                    t.updateTitle(val || "")
-                    onPreviewTitlesChange?.([val || ""])
-                  }}
-                  options={t.userTitles.map((ut) => ({ label: ut.content, value: ut.content }))}
-                  filterOption={(inputValue, option) => {
-                    const title = (option?.label || option?.value || "") as string
-                    return title.toLowerCase().includes((inputValue || "").toLowerCase())
-                  }}
-                />
-              </div>
-            </>
-          )}
-        </>
-      ) : (
-        /* ── 批量：N 个独立标题输入框（CSS 浮层实时叠加到对应预览） ── */
-        <div className="xx-batch-titles">
-          <div
-            style={{
-              fontSize: 12,
-              color: "var(--text-secondary, #666)",
-              marginBottom: 10,
-              lineHeight: 1.6,
-            }}
-          >
-            为每个视频输入独立标题，修改会实时叠加到左侧对应视频上。标题样式（字体/颜色/位置）全局统一。
-          </div>
-          {Array.from({ length: previewCount }, (_, i) => (
-            <div className="xx-form-field" key={i}>
-              <label>视频 {i + 1} 标题</label>
-              <Input
-                placeholder={`视频 ${i + 1} 的标题…`}
-                maxLength={50}
-                showCount
-                value={previewTitles?.[i] || ""}
-                onChange={(e) => updateVariantTitle(i, e.target.value)}
-              />
+          <div className="xx-title-ai-toggle">
+            <span className="xx-toggle-label">AI 自动选择标题</span>
+            <div className="xx-switch active" onClick={t.toggleAiAutoSelect}>
+              <div className="xx-switch-knob" />
             </div>
-          ))}
-        </div>
+          </div>
+
+          {/* 显示当前 AI 选中的标题（只读）+ 换一个按钮 */}
+          <div className="xx-form-field">
+            <label>当前 AI 选定标题</label>
+            <div
+              style={{
+                display: "flex",
+                alignItems: "center",
+                gap: 10,
+                padding: "8px 12px",
+                background: "var(--bg-secondary, rgba(0,0,0,0.04))",
+                borderRadius: 8,
+                fontSize: 14,
+                color: "var(--text-primary, #333)",
+              }}
+            >
+              <span style={{ flex: 1 }}>{t.titleSettings.title || "AI 将自动为你选择标题"}</span>
+              <button
+                type="button"
+                className="xx-btn xx-btn-primary"
+                style={{ flexShrink: 0, fontSize: 13, padding: "4px 12px" }}
+                onClick={t.autoGenerateTitle}
+              >
+                🔄 换一个
+              </button>
+            </div>
+          </div>
+        </>
       )}
 
-      {/* 标题样式面板（全局共用） */}
+      {/* 手动选择模式 */}
+      {!t.titleSettings.aiAutoSelect && (
+        <>
+          <AiTitleGenerator
+            inputValue={t.aiTitleInput}
+            onInputChange={t.setAiTitleInput}
+            generating={t.aiTitleGenerating}
+            onGenerate={t.handleGenerateAiTitles}
+            results={t.aiTitleResults}
+            hasGenerated={t.hasGeneratedTitles}
+            onSelect={t.handleSelectAiTitle}
+            selectedTitle={t.titleSettings.title}
+            onRefresh={t.handleRefreshAiTitles}
+          />
+
+          <div className="xx-title-ai-toggle">
+            <span className="xx-toggle-label">AI 自动选择标题</span>
+            <div className="xx-switch" onClick={t.toggleAiAutoSelect}>
+              <div className="xx-switch-knob" />
+            </div>
+          </div>
+
+          <div className="xx-form-field">
+            <label>标题</label>
+            <AutoComplete
+              placeholder="输入或从标题库选择…"
+              allowClear
+              maxLength={50}
+              style={{ width: "100%" }}
+              value={t.titleSettings.title || undefined}
+              onChange={(val) => t.updateTitle(val || "")}
+              options={t.userTitles.map((ut) => ({
+                label: ut.content,
+                value: ut.content,
+              }))}
+              filterOption={(inputValue, option) => {
+                const title = (option?.label || option?.value || "") as string
+                return title.toLowerCase().includes((inputValue || "").toLowerCase())
+              }}
+              notFoundContent={
+                t.userTitles.length === 0 ? (
+                  <span style={{ color: "var(--text-tertiary)", fontSize: 13 }}>
+                    标题库为空，请前往「标题管理」添加
+                  </span>
+                ) : null
+              }
+            />
+          </div>
+        </>
+      )}
+
+      {/* 标题样式面板（原 Step5） */}
+      <div
+        style={{
+          display: "flex",
+          alignItems: "center",
+          gap: 8,
+          padding: "10px 14px",
+          background: "rgba(59, 130, 246, 0.08)",
+          borderRadius: 8,
+          marginTop: 16,
+          marginBottom: 12,
+          border: "1px solid rgba(59, 130, 246, 0.15)",
+        }}
+      >
+        <PlayCircleOutlined style={{ fontSize: 16, color: "#3b82f6" }} />
+        <span style={{ fontSize: 12, color: "var(--text-secondary, #666)" }}>
+          右侧为实时预览，调整样式即时生效
+        </span>
+      </div>
+
       <TitleStylePanel
         settings={t.titleSettings}
         onUpdatePosition={onUpdatePosition}

apps/web/src/pages/generate/components/Step5VoiceSelect.tsx

@@ -5,21 +5,18 @@
 import React, { useState, useRef, useCallback } from "react"
 import { useNavigate } from "react-router-dom"
 import { useQuery } from "@tanstack/react-query"
-import { AudioOutlined, SoundOutlined } from "@ant-design/icons"
+import { AudioOutlined, SoundOutlined, WarningOutlined } from "@ant-design/icons"
+import { Modal } from "antd"
 import { getAssetsByKind } from "@/api/assets"
 import type { AssetItem } from "@/api/assets"
 
 interface Step5VoiceSelectProps {
   selectedVoice: string
   onSelectedVoiceChange: (id: string) => void
-  /** 卡片标题（独立配音模式下显示"视频 N 的配音"），默认"选择配音" */
-  heading?: string
-  /** 描述文案 */
-  description?: string
-  /** 是否使用紧凑卡片样式（独立配音模式下 N 个并排） */
-  compact?: boolean
+  totalVideoDuration?: number
 }
 
+/** 格式化时长 mm:ss */
 /** 获取素材实际时长（优先顶层 duration，fallback 到 metadata.duration） */
 const getDuration = (item: AssetItem): number => {
   return item.duration ?? (item.metadata?.duration as number) ?? 0
@@ -37,6 +34,13 @@ const isAiVoice = (item: AssetItem): boolean => {
   return (!duration || duration <= 0) && (!size || size <= 0)
 }
 
+const formatDuration = (seconds?: number): string => {
+  if (!seconds || seconds <= 0) return "00:00"
+  const m = Math.floor(seconds / 60)
+  const s = Math.floor(seconds % 60)
+  return `${String(m).padStart(2, "0")}:${String(s).padStart(2, "0")}`
+}
+
 /** 格式化文件大小 */
 const formatFileSize = (bytes?: number): string => {
   if (!bytes || bytes <= 0) return "未知"
@@ -49,13 +53,13 @@ const formatFileSize = (bytes?: number): string => {
 const Step5VoiceSelect: React.FC<Step5VoiceSelectProps> = ({
   selectedVoice,
   onSelectedVoiceChange,
-  heading = "🎙️ 选择配音",
-  description = "从配音库中选择已上传的素材，点击卡片可预览播放",
-  compact = false,
+  totalVideoDuration = 0,
 }) => {
   const navigate = useNavigate()
   const [playingId, setPlayingId] = useState<string | null>(null)
   const audioRef = useRef<HTMLAudioElement | null>(null)
+  const [durationWarningOpen, setDurationWarningOpen] = useState(false)
+  const [pendingVoiceId, setPendingVoiceId] = useState<string | null>(null)
 
   // 获取用户上传的配音素材
   const { data: materials = [], isLoading } = useQuery({
@@ -96,17 +100,41 @@ const Step5VoiceSelect: React.FC<Step5VoiceSelectProps> = ({
     [playingId],
   )
 
-  /** 选中素材（直接选中，不再做时长校验弹窗） */
+  /** 选中素材（含时长校验） */
   const handleSelect = useCallback(
     (id: string) => {
+      // 如果启用了时长校验，且配音时长不足（AI 音色按脚本实时合成，不参与时长校验）
+      if (totalVideoDuration > 0) {
+        const material = materials.find((m) => m.id === id)
+        if (material && !isAiVoice(material) && getDuration(material) < totalVideoDuration) {
+          setPendingVoiceId(id)
+          setDurationWarningOpen(true)
+          return
+        }
+      }
       onSelectedVoiceChange(id)
     },
-    [onSelectedVoiceChange],
+    [onSelectedVoiceChange, totalVideoDuration, materials],
   )
 
+  /** 确认使用时长不足的配音 */
+  const handleConfirmUseAnyway = useCallback(() => {
+    if (pendingVoiceId) {
+      onSelectedVoiceChange(pendingVoiceId)
+    }
+    setDurationWarningOpen(false)
+    setPendingVoiceId(null)
+  }, [pendingVoiceId, onSelectedVoiceChange])
+
+  /** 取消选择 */
+  const handleCancelSelection = useCallback(() => {
+    setDurationWarningOpen(false)
+    setPendingVoiceId(null)
+  }, [])
+
   /** 跳转到配音库上传 */
   const handleGoToUpload = useCallback(() => {
-    navigate("/app/voices?tab=material&upload=1")
+    navigate("/app/voices")
   }, [navigate])
 
   // 加载中状态
@@ -157,14 +185,14 @@ const Step5VoiceSelect: React.FC<Step5VoiceSelectProps> = ({
 
   return (
     <div className="xx-form-section">
-      <h3>{heading}</h3>
-      <p style={{ color: "#666", marginBottom: 16, fontSize: 14 }}>{description}</p>
+      <h3>🎙️ 选择配音</h3>
+      <p style={{ color: "#666", marginBottom: 16, fontSize: 14 }}>
+        从配音库中选择已上传的素材，点击卡片可预览播放
+      </p>
       <div
         style={{
           display: "grid",
-          gridTemplateColumns: compact
-            ? "repeat(auto-fill, minmax(160px, 1fr))"
-            : "repeat(auto-fill, minmax(220px, 1fr))",
+          gridTemplateColumns: "repeat(auto-fill, minmax(220px, 1fr))",
           gap: 12,
         }}
       >
@@ -249,7 +277,7 @@ const Step5VoiceSelect: React.FC<Step5VoiceSelectProps> = ({
                 {item.name}
               </div>
 
-              {/* 文件大小 */}
+              {/* 时长 + 大小 */}
               <div
                 style={{
                   display: "flex",
@@ -261,13 +289,65 @@ const Step5VoiceSelect: React.FC<Step5VoiceSelectProps> = ({
               >
                 {isAiVoice(item) ? (
                   <span style={{ color: "#1677ff", fontWeight: 500 }}>AI 音色</span>
-                ) : null}
+                ) : (
+                  <span style={{ display: "flex", alignItems: "center", gap: 4 }}>
+                    {formatDuration(getDuration(item))}
+                    {totalVideoDuration > 0 && getDuration(item) < Number(totalVideoDuration) && (
+                      <span
+                        style={{
+                          color: "#ff4d4f",
+                          fontSize: 11,
+                          fontWeight: 500,
+                          display: "inline-flex",
+                          alignItems: "center",
+                          gap: 2,
+                        }}
+                      >
+                        <WarningOutlined />
+                        时长不足
+                      </span>
+                    )}
+                  </span>
+                )}
                 <span>{isAiVoice(item) ? "按文本合成" : formatFileSize(getFileSize(item))}</span>
               </div>
             </div>
           )
         })}
       </div>
+
+      {/* 时长不足警告弹窗 */}
+      <Modal
+        title={
+          <span style={{ display: "flex", alignItems: "center", gap: 8 }}>
+            <WarningOutlined style={{ color: "#faad14" }} />
+            配音时长不足
+          </span>
+        }
+        open={durationWarningOpen}
+        onOk={handleConfirmUseAnyway}
+        onCancel={handleCancelSelection}
+        okText="仍要使用"
+        cancelText="重新选择"
+        okButtonProps={{ danger: true }}
+      >
+        {(() => {
+          const pendingMaterial = pendingVoiceId
+            ? materials.find((m) => m.id === pendingVoiceId)
+            : null
+          return (
+            <p>
+              该配音时长（
+              <strong>
+                {pendingMaterial ? formatDuration(getDuration(pendingMaterial)) : "--"}
+              </strong>
+              ）短于视频总时长（
+              <strong>{formatDuration(totalVideoDuration)}</strong>
+              ），播放时配音可能提前结束，建议选择更长的配音素材。
+            </p>
+          )
+        })()}
+      </Modal>
     </div>
   )
 }

apps/web/src/pages/generate/components/Step6CoverSettings.tsx

@@ -1,16 +1,9 @@
-/**
- * Step 5 选择封面（Issue #1677 批量生成改造）
- * - 单视频：保留原封面流程（自动生成/封面设置模板/封面预览）
- * - N 个视频：N 张封面卡片，每张带对应视频标题，可逐个自动生成或上传
- */
-import React, { useRef } from "react"
+import React from "react"
 import { Modal, Spin } from "antd"
-import { LoadingOutlined } from "@ant-design/icons"
 import type { CoverConfig } from "../types/cover"
 import type { GeneratedVideo } from "@/api/template-editor"
 import type { TitleSettings } from "../types"
 import { useStep6Cover } from "../hooks/useStep6Cover"
-import { useBatchCovers } from "../hooks/useBatchCovers"
 import Button from "@/components/ui/Button"
 import CoverSettingsModal from "./cover-settings/CoverSettingsModal"
 import CoverEditorModal from "./cover-settings/CoverEditorModal"
@@ -24,15 +17,6 @@ interface Step6CoverSettingsProps {
   titleSettings?: TitleSettings
   /** 确认生成步骤产出的最终视频列表 */
   generatedVideos: GeneratedVideo[]
-  /* ── 批量生成（#1677）── */
-  previewCount?: number
-  /** 每个变体的标题文字 */
-  previewTitles?: string[]
-  /** 每个变体的封面URL（按变体索引） */
-  previewCovers?: string[]
-  onPreviewCoversChange?: (urls: string[]) => void
-  /** 勾选的变体索引（批量封面按此顺序展示，与最终成片顺序一致） */
-  selectedVariantIndexes?: number[]
 }
 
 const Step6CoverSettings: React.FC<Step6CoverSettingsProps> = (props) => {
@@ -62,173 +46,13 @@ const Step6CoverSettings: React.FC<Step6CoverSettingsProps> = (props) => {
     generatedVideos: props.generatedVideos,
   })
 
-  const previewCount = props.previewCount || 1
-  const isBatch = previewCount > 1
-  const previewTitles = props.previewTitles || []
-  const previewCovers = props.previewCovers || []
-  /** 卡片展示的变体索引顺序：批量=勾选顺序（与成片顺序一致），单视频=[0] */
-  const cardIndexes =
-    isBatch && props.selectedVariantIndexes?.length
-      ? props.selectedVariantIndexes
-      : Array.from({ length: previewCount }, (_, i) => i)
-  const uploadInputRef = useRef<HTMLInputElement>(null)
-  const uploadTargetRef = useRef<number>(0)
-
-  const completedVideos = props.generatedVideos.filter((v) => v.status === "completed")
-  const batchTitles = cardIndexes.map((vi) => previewTitles[vi] || "")
-  const batchCoversList = cardIndexes.map((vi) => previewCovers[vi] || "")
-  const batchCovers = useBatchCovers({
-    selectedTemplate: props.selectedTemplate || "",
-    generatedVideos: props.generatedVideos,
-    titles: batchTitles,
-    titleStyle: {
-      font: props.titleSettings?.font || "思源黑体",
-      size: props.titleSettings?.size || 28,
-      color: props.titleSettings?.color || "#ffffff",
-      position: props.titleSettings?.position || "top",
-      bold: props.titleSettings?.bold ?? true,
-      stroke: props.titleSettings?.stroke ?? true,
-      shadow: props.titleSettings?.shadow ?? false,
-    },
-    covers: batchCoversList,
-    onCoversChange: (urls) => {
-      // 按卡片顺序写回对应变体索引
-      const next = [...(props.previewCovers || [])]
-      cardIndexes.forEach((vi, cardPos) => {
-        next[vi] = urls[cardPos] || ""
-      })
-      props.onPreviewCoversChange?.(next)
-    },
-  })
+  const handleAutoGenerate = () => {
+    generateAutoCover()
+  }
 
+  // 预览图：优先 thumbnail_url，其次 upload_url
   const previewUrl = coverSettings.thumbnail_url || coverSettings.upload_url
 
-  const handleUploadClick = (variantIndex: number) => {
-    uploadTargetRef.current = variantIndex
-    uploadInputRef.current?.click()
-  }
-
-  const handleFileChange = (e: React.ChangeEvent<HTMLInputElement>) => {
-    const file = e.target.files?.[0]
-    e.target.value = ""
-    if (file) {
-      const variantIndex = uploadTargetRef.current
-      const cardPos = cardIndexes.indexOf(variantIndex)
-      if (cardPos >= 0) void batchCovers.uploadOne(cardPos, file)
-    }
-  }
-
-  /* ── 批量封面 ── */
-  if (isBatch) {
-    return (
-      <div className="xx-form-section">
-        <h3>🖼️ 选择封面</h3>
-
-        <div
-          style={{
-            padding: "10px 14px",
-            background: "rgba(16, 185, 129, 0.08)",
-            borderRadius: 8,
-            marginBottom: 16,
-            border: "1px solid rgba(16, 185, 129, 0.15)",
-            fontSize: 13,
-            color: "var(--text-secondary, #666)",
-          }}
-        >
-          🎬 共 {completedVideos.length} 个成片，封面将从对应成片中智能选帧并叠加该视频的标题
-        </div>
-
-        <div style={{ display: "flex", gap: 8, marginBottom: 16 }}>
-          <Button
-            buttonType="primary"
-            onClick={() => void batchCovers.generateAll()}
-            disabled={completedVideos.length === 0 || batchCovers.loadingIndex !== null}
-          >
-            ✨ 一键全部自动生成
-          </Button>
-        </div>
-
-        <div className="xx-cover-grid">
-          {cardIndexes.map((variantIndex, cardPos) => {
-            const url = batchCoversList[cardPos]
-            const isLoading = batchCovers.loadingIndex === cardPos
-            const isUploading = batchCovers.uploadingIndex === cardPos
-            const title = batchTitles[cardPos]
-            return (
-              <div className="xx-cover-card" key={variantIndex}>
-                <div className="xx-cover-card-title">视频 {variantIndex + 1}</div>
-                <div className="xx-cover-card-box">
-                  {isLoading || isUploading ? (
-                    <div className="xx-cover-card-loading">
-                      <Spin indicator={<LoadingOutlined style={{ fontSize: 24 }} spin />} />
-                      <span>{isLoading ? "AI 选帧中…" : "上传中…"}</span>
-                    </div>
-                  ) : url ? (
-                    <img
-                      src={url}
-                      alt={`视频${variantIndex + 1}封面`}
-                      className="xx-cover-card-img"
-                    />
-                  ) : (
-                    <div className="xx-cover-card-placeholder">
-                      <span style={{ fontSize: 26 }}>🖼️</span>
-                      <span style={{ fontSize: 12 }}>未设置封面</span>
-                    </div>
-                  )}
-                  <div className="xx-cover-card-ratio">9:16</div>
-                </div>
-                {title && (
-                  <div
-                    style={{
-                      fontSize: 12,
-                      color: "var(--text-secondary, #666)",
-                      marginTop: 6,
-                      overflow: "hidden",
-                      textOverflow: "ellipsis",
-                      whiteSpace: "nowrap",
-                    }}
-                    title={title}
-                  >
-                    标题：{title}
-                  </div>
-                )}
-                <div style={{ display: "flex", gap: 6, marginTop: 8 }}>
-                  <button
-                    type="button"
-                    className="xx-btn xx-btn-primary xx-btn-sm"
-                    style={{ flex: 1, fontSize: 12, padding: "4px 8px" }}
-                    onClick={() => void batchCovers.generateOne(cardPos)}
-                    disabled={isLoading || isUploading}
-                  >
-                    {url ? "🔄 重新生成" : "✨ 自动生成"}
-                  </button>
-                  <button
-                    type="button"
-                    className="xx-btn xx-btn-ghost xx-btn-sm"
-                    style={{ flex: 1, fontSize: 12, padding: "4px 8px" }}
-                    onClick={() => handleUploadClick(variantIndex)}
-                    disabled={isLoading || isUploading}
-                  >
-                    📤 上传
-                  </button>
-                </div>
-              </div>
-            )
-          })}
-        </div>
-
-        <input
-          ref={uploadInputRef}
-          type="file"
-          accept="image/*"
-          style={{ display: "none" }}
-          onChange={handleFileChange}
-        />
-      </div>
-    )
-  }
-
-  /* ── 单视频：原有流程保持不变 ── */
   return (
     <div className="xx-form-section">
       <h3>🖼️ 选择封面</h3>
@@ -251,7 +75,7 @@ const Step6CoverSettings: React.FC<Step6CoverSettingsProps> = (props) => {
       )}
 
       <div className="xx-cover-actions">
-        <Button buttonType="primary" onClick={generateAutoCover} disabled={!finalVideo}>
+        <Button buttonType="primary" onClick={handleAutoGenerate} disabled={!finalVideo}>
           ✨ 自动生成封面
         </Button>
         <Button buttonType="ghost" onClick={() => setShowCoverSettings(true)}>

apps/web/src/pages/generate/components/Step7ConfirmGenerate.tsx

@@ -0,0 +1,79 @@
+/**
+ * Step 7 确认生成组件
+ */
+import React from "react"
+import type { EditingTemplate } from "@/api/editing-planner"
+import type { GeneratedVideo } from "@/api/template-editor"
+import type { CoverConfig } from "../types/cover"
+import type { VoiceClone } from "@/api/voice-clone"
+import type { PresetVoiceItem } from "@/api/voices"
+import { useStep7Generate } from "../hooks/useStep7Generate"
+import SummaryCard from "./step7-confirm/SummaryCard"
+import GenerationStatus from "./step7-confirm/GenerationStatus"
+
+interface Step7ConfirmGenerateProps {
+  templates: EditingTemplate[]
+  selectedTemplate: string
+  materialMode: "manual" | "auto"
+  selectedMaterials: string[]
+  smartSelectedIds: string[]
+  title: string
+  voiceMode: "preset" | "custom" | "clone"
+  selectedVoice: string
+  selectedClonedVoice: string
+  presetVoices: PresetVoiceItem[]
+  clonedVoices: VoiceClone[]
+  coverSettings: CoverConfig
+  generating: boolean
+  generated: boolean
+  generateError: string | null
+  progress: number
+  generatedVideos: GeneratedVideo[]
+  onRetry: () => void
+  onDismissError: () => void
+}
+
+const Step7ConfirmGenerate: React.FC<Step7ConfirmGenerateProps> = (props) => {
+  const {
+    templateName,
+    materialSummary,
+    title,
+    voiceName,
+    coverSummary,
+    generating,
+    generated,
+    generateError,
+    progress,
+    generatedVideos,
+    getGenerationPhase,
+    handleScrollToPreview,
+  } = useStep7Generate(props)
+
+  const { onRetry, onDismissError } = props
+
+  return (
+    <div className="xx-form-section">
+      <h3>✨ 确认生成</h3>
+      <SummaryCard
+        templateName={templateName}
+        materialSummary={materialSummary}
+        title={title}
+        voiceName={voiceName}
+        coverSummary={coverSummary}
+      />
+      <GenerationStatus
+        generating={generating}
+        generated={generated}
+        generateError={generateError}
+        progress={progress}
+        generatedVideos={generatedVideos}
+        getGenerationPhase={getGenerationPhase}
+        onScrollToPreview={handleScrollToPreview}
+        onRetry={onRetry}
+        onDismissError={onDismissError}
+      />
+    </div>
+  )
+}
+
+export default Step7ConfirmGenerate

apps/web/src/pages/generate/components/step7-confirm/SummaryCard.tsx

@@ -0,0 +1,44 @@
+import React from "react"
+
+interface SummaryCardProps {
+  templateName: string
+  materialSummary: string
+  title: string
+  voiceName: string
+  coverSummary: string
+}
+
+const SummaryCard: React.FC<SummaryCardProps> = ({
+  templateName,
+  materialSummary,
+  title,
+  voiceName,
+  coverSummary,
+}) => {
+  return (
+    <div className="xx-summary-card">
+      <div className="xx-summary-row">
+        <span className="xx-summary-label">模板</span>
+        <span className="xx-summary-value">{templateName}</span>
+      </div>
+      <div className="xx-summary-row">
+        <span className="xx-summary-label">素材</span>
+        <span className="xx-summary-value">{materialSummary}</span>
+      </div>
+      <div className="xx-summary-row">
+        <span className="xx-summary-label">标题</span>
+        <span className="xx-summary-value">{title || "未选择"}</span>
+      </div>
+      <div className="xx-summary-row">
+        <span className="xx-summary-label">配音</span>
+        <span className="xx-summary-value">{voiceName}</span>
+      </div>
+      <div className="xx-summary-row">
+        <span className="xx-summary-label">封面</span>
+        <span className="xx-summary-value">{coverSummary}</span>
+      </div>
+    </div>
+  )
+}
+
+export default SummaryCard

apps/web/src/pages/generate/components/title/TitlePresetsGrid.tsx

@@ -1,7 +1,5 @@
 /**
  * 标题预设样式网格
- * 双图层渲染：底层=描边轮廓(text-shadow模拟)，上层=填充色
- * 避免 -webkit-text-stroke 在 Chromium 中吞掉填充色的问题
  */
 import React from "react"
 import { getFontFamily } from "../../constants"
@@ -9,10 +7,7 @@ import { getFontFamily } from "../../constants"
 interface TitlePresetItem {
   key: string
   label: string
-  previewStyle: React.CSSProperties & {
-    _strokeColor?: string
-    _strokeWidth?: number
-  }
+  previewStyle: React.CSSProperties
 }
 
 interface TitlePresetsGridProps {
@@ -22,32 +17,6 @@ interface TitlePresetsGridProps {
   fontFamily?: string
 }
 
-/**
- * 用 text-shadow 模拟描边轮廓（8方向 + 4对角 = 12层阴影）
- */
-function buildStrokeShadow(color: string, width: number): string {
-  const w = width
-  const parts: string[] = []
-  // 4 cardinal directions
-  parts.push(`${w}px 0 ${color}`)
-  parts.push(`${-w}px 0 ${color}`)
-  parts.push(`0 ${w}px ${color}`)
-  parts.push(`0 ${-w}px ${color}`)
-  // 4 diagonal directions
-  const d = Math.round(w * 0.71 * 10) / 10 // 0.71 ≈ sqrt(2)/2
-  parts.push(`${d}px ${d}px ${color}`)
-  parts.push(`${-d}px ${d}px ${color}`)
-  parts.push(`${d}px ${-d}px ${color}`)
-  parts.push(`${-d}px ${-d}px ${color}`)
-  // 4 extra mid-points for smoother stroke
-  const h = Math.round(w * 0.5 * 10) / 10
-  parts.push(`${w}px ${h}px ${color}`)
-  parts.push(`${w}px ${-h}px ${color}`)
-  parts.push(`${-w}px ${h}px ${color}`)
-  parts.push(`${-w}px ${-h}px ${color}`)
-  return parts.join(", ")
-}
-
 const TitlePresetsGrid: React.FC<TitlePresetsGridProps> = ({
   presets,
   activePreset,
@@ -58,52 +27,18 @@ const TitlePresetsGrid: React.FC<TitlePresetsGridProps> = ({
     <div className="xx-title-presets-grid">
       {presets.map((p) => {
         const isActive = activePreset === p.key
-        const { _strokeColor, _strokeWidth, ...fillStyle } = p.previewStyle
-        const ff = getFontFamily(fontFamily || "思源黑体")
-
-        // 底层：描边轮廓（用 text-shadow 模拟粗描边）
-        const strokeStyle: React.CSSProperties = {
-          color: _strokeColor || "transparent",
-          textShadow:
-            _strokeColor && _strokeWidth
-              ? buildStrokeShadow(_strokeColor, _strokeWidth)
-              : undefined,
-          fontWeight: fillStyle.fontWeight,
-          fontSize: fillStyle.fontSize,
-          lineHeight: 1,
-        }
-
-        // 上层：仅填充色 + 可选 textShadow（发光/投影效果）
-        const topStyle: React.CSSProperties = {
-          color: fillStyle.color,
-          textShadow: fillStyle.textShadow,
-          fontWeight: fillStyle.fontWeight,
-          fontSize: fillStyle.fontSize,
-          lineHeight: 1,
-        }
-
         return (
           <button
             key={p.key}
             className={`xx-title-preset-card${isActive ? " active" : ""}`}
             onClick={() => onApply(p.key)}
+            title={p.label}
           >
-            <span className="xx-title-preset-preview-text" style={{ position: "relative" }}>
-              {/* 底层：描边轮廓 */}
-              <span
-                aria-hidden
-                style={{
-                  ...strokeStyle,
-                  fontFamily: ff,
-                  position: "absolute",
-                  top: 0,
-                  left: 0,
-                }}
-              >
-                T
-              </span>
-              {/* 上层：填充色 */}
-              <span style={{ ...topStyle, fontFamily: ff, position: "relative" }}>T</span>
+            <span
+              className="xx-title-preset-preview-text"
+              style={{ ...p.previewStyle, fontFamily: getFontFamily(fontFamily || "思源黑体") }}
+            >
+              T
             </span>
           </button>
         )

apps/web/src/pages/generate/constants.ts

@@ -33,19 +33,15 @@ export const STEPS = [
   { key: 2, label: "选择素材" },
   { key: 3, label: "选择配音" },
   { key: 4, label: "选择标题" },
-  { key: 5, label: "选择封面" },
+  { key: 5, label: "确认生成" },
+  { key: 6, label: "选择封面" },
 ]
 
-/* ── 批量生成限制 ── */
-export const MAX_PREVIEW_COUNT = 10
-export const MIN_PREVIEW_COUNT = 1
-
 /* ── 标题位置选项 ── */
 export const POSITION_OPTIONS = [
   { value: "top", label: "顶部" },
   { value: "center", label: "居中" },
   { value: "bottom", label: "底部" },
-  { value: "custom", label: "自定义" },
 ]
 
 /* ── 标题字体选项 ── */
@@ -81,11 +77,10 @@ export const TITLE_PRESETS = [
     label: "经典白字",
     style: { size: 28, color: "#ffffff", bold: true, italic: false, stroke: true, shadow: false },
     previewStyle: {
-      color: "#ffffff",
-      _strokeColor: "#000000",
-      _strokeWidth: 2,
       fontWeight: 700,
-      fontSize: "32px",
+      color: "#ffffff",
+      WebkitTextStroke: "1px #000000",
+      fontSize: "20px",
     },
   },
   {
@@ -93,54 +88,45 @@ export const TITLE_PRESETS = [
     label: "黑金质感",
     style: { size: 32, color: "#d4a843", bold: true, italic: false, stroke: false, shadow: true },
     previewStyle: {
-      color: "#d4a843",
       fontWeight: 700,
-      fontSize: "32px",
+      color: "#d4a843",
       textShadow: "1px 1px 3px rgba(0,0,0,0.8)",
+      fontSize: "20px",
     },
   },
   {
     key: "fresh_minimal",
     label: "清新简约",
     style: { size: 24, color: "#333333", bold: false, italic: false, stroke: false, shadow: false },
-    previewStyle: {
-      color: "#e8e8e8",
-      fontWeight: 400,
-      fontSize: "32px",
-    },
+    previewStyle: { fontWeight: 400, color: "#333333", fontSize: "18px" },
   },
   {
     key: "variety_show",
     label: "综艺花字",
     style: { size: 36, color: "#ff4081", bold: true, italic: false, stroke: true, shadow: true },
     previewStyle: {
-      color: "#ff4081",
-      _strokeColor: "#ffffff",
-      _strokeWidth: 2,
       fontWeight: 900,
-      fontSize: "32px",
+      color: "#ff4081",
+      WebkitTextStroke: "1.5px #ffffff",
       textShadow: "2px 2px 4px rgba(0,0,0,0.5)",
+      fontSize: "22px",
     },
   },
   {
     key: "business",
     label: "商务极简",
     style: { size: 24, color: "#1a1a1a", bold: false, italic: false, stroke: false, shadow: false },
-    previewStyle: {
-      color: "#e0e0e0",
-      fontWeight: 400,
-      fontSize: "32px",
-    },
+    previewStyle: { fontWeight: 400, color: "#1a1a1a", fontSize: "17px" },
   },
   {
     key: "retro_film",
     label: "复古胶片",
     style: { size: 28, color: "#e8d5b7", bold: false, italic: false, stroke: false, shadow: true },
     previewStyle: {
-      color: "#e8d5b7",
       fontWeight: 400,
-      fontSize: "32px",
+      color: "#e8d5b7",
       textShadow: "2px 2px 6px rgba(0,0,0,0.7)",
+      fontSize: "18px",
     },
   },
   {
@@ -148,10 +134,10 @@ export const TITLE_PRESETS = [
     label: "霓虹发光",
     style: { size: 32, color: "#00e5ff", bold: true, italic: false, stroke: false, shadow: true },
     previewStyle: {
-      color: "#00e5ff",
       fontWeight: 700,
-      fontSize: "32px",
+      color: "#00e5ff",
       textShadow: "0 0 4px #00e5ff, 0 0 8px #00e5ff, 0 0 16px rgba(0,229,255,0.5)",
+      fontSize: "20px",
     },
   },
   {
@@ -159,202 +145,10 @@ export const TITLE_PRESETS = [
     label: "手写字",
     style: { size: 28, color: "#333333", bold: false, italic: false, stroke: false, shadow: true },
     previewStyle: {
-      color: "#e0e0e0",
       fontWeight: 400,
-      fontSize: "32px",
+      color: "#333333",
       textShadow: "1px 1px 2px rgba(0,0,0,0.3)",
-    },
-  },
-  {
-    key: "outline_yellow",
-    label: "黄色描边",
-    style: { size: 28, color: "#ffd54f", bold: true, italic: false, stroke: true, shadow: false },
-    previewStyle: {
-      color: "#ffd54f",
-      _strokeColor: "#000000",
-      _strokeWidth: 2,
-      fontWeight: 700,
-      fontSize: "32px",
-    },
-  },
-  {
-    key: "outline_pink",
-    label: "粉色描边",
-    style: { size: 28, color: "#ff80ab", bold: true, italic: false, stroke: true, shadow: false },
-    previewStyle: {
-      color: "#ff80ab",
-      _strokeColor: "#000000",
-      _strokeWidth: 2,
-      fontWeight: 700,
-      fontSize: "32px",
-    },
-  },
-  {
-    key: "outline_blue",
-    label: "蓝色描边",
-    style: { size: 28, color: "#82b1ff", bold: true, italic: false, stroke: true, shadow: false },
-    previewStyle: {
-      color: "#82b1ff",
-      _strokeColor: "#000000",
-      _strokeWidth: 2,
-      fontWeight: 700,
-      fontSize: "32px",
-    },
-  },
-  {
-    key: "outline_green",
-    label: "绿色描边",
-    style: { size: 28, color: "#69f0ae", bold: true, italic: false, stroke: true, shadow: false },
-    previewStyle: {
-      color: "#69f0ae",
-      _strokeColor: "#000000",
-      _strokeWidth: 2,
-      fontWeight: 700,
-      fontSize: "32px",
-    },
-  },
-  {
-    key: "outline_gray",
-    label: "灰色描边",
-    style: { size: 28, color: "#bdbdbd", bold: true, italic: false, stroke: true, shadow: false },
-    previewStyle: {
-      color: "#bdbdbd",
-      _strokeColor: "#000000",
-      _strokeWidth: 2,
-      fontWeight: 700,
-      fontSize: "32px",
-    },
-  },
-  {
-    key: "bg_white",
-    label: "白底黑字",
-    style: { size: 28, color: "#1a1a1a", bold: true, italic: false, stroke: false, shadow: false },
-    previewStyle: {
-      color: "#1a1a1a",
-      fontWeight: 700,
-      fontSize: "32px",
-      background: "#ffffff",
-      borderRadius: "4px",
-      padding: "2px 6px",
-    },
-  },
-  {
-    key: "bg_yellow",
-    label: "黄底黑字",
-    style: { size: 28, color: "#1a1a1a", bold: true, italic: false, stroke: false, shadow: false },
-    previewStyle: {
-      color: "#1a1a1a",
-      fontWeight: 700,
-      fontSize: "32px",
-      background: "#ffd54f",
-      borderRadius: "4px",
-      padding: "2px 6px",
-    },
-  },
-  {
-    key: "bg_pink",
-    label: "粉底黑字",
-    style: { size: 28, color: "#1a1a1a", bold: true, italic: false, stroke: false, shadow: false },
-    previewStyle: {
-      color: "#1a1a1a",
-      fontWeight: 700,
-      fontSize: "32px",
-      background: "#ff80ab",
-      borderRadius: "4px",
-      padding: "2px 6px",
-    },
-  },
-  {
-    key: "bg_red",
-    label: "红底白字",
-    style: { size: 28, color: "#ffffff", bold: true, italic: false, stroke: false, shadow: false },
-    previewStyle: {
-      color: "#ffffff",
-      fontWeight: 700,
-      fontSize: "32px",
-      background: "#ef5350",
-      borderRadius: "4px",
-      padding: "2px 6px",
-    },
-  },
-  {
-    key: "neon_orange",
-    label: "橙色发光",
-    style: { size: 32, color: "#ff9100", bold: true, italic: false, stroke: false, shadow: true },
-    previewStyle: {
-      color: "#ff9100",
-      fontWeight: 700,
-      fontSize: "32px",
-      textShadow: "0 0 4px #ff9100, 0 0 8px #ff9100, 0 0 16px rgba(255,145,0,0.5)",
-    },
-  },
-  {
-    key: "neon_purple",
-    label: "紫色发光",
-    style: { size: 32, color: "#d500f9", bold: true, italic: false, stroke: false, shadow: true },
-    previewStyle: {
-      color: "#d500f9",
-      fontWeight: 700,
-      fontSize: "32px",
-      textShadow: "0 0 4px #d500f9, 0 0 8px #d500f9, 0 0 16px rgba(213,0,249,0.5)",
-    },
-  },
-  {
-    key: "bordered_white",
-    label: "白字绿框",
-    style: { size: 28, color: "#ffffff", bold: true, italic: false, stroke: false, shadow: false },
-    previewStyle: {
-      color: "#ffffff",
-      fontWeight: 700,
-      fontSize: "32px",
-      background: "#1a1a1a",
-      border: "2px solid #69f0ae",
-      borderRadius: "4px",
-      padding: "2px 6px",
-    },
-  },
-  {
-    key: "gradient_warm",
-    label: "暖色渐变",
-    style: { size: 32, color: "#ff6d00", bold: true, italic: false, stroke: false, shadow: true },
-    previewStyle: {
-      color: "#ff6d00",
-      fontWeight: 700,
-      fontSize: "32px",
-      textShadow: "0 0 6px rgba(255,109,0,0.6), 1px 1px 2px rgba(0,0,0,0.5)",
-    },
-  },
-  {
-    key: "gradient_cool",
-    label: "冷色渐变",
-    style: { size: 32, color: "#00b0ff", bold: true, italic: false, stroke: false, shadow: true },
-    previewStyle: {
-      color: "#00b0ff",
-      fontWeight: 700,
-      fontSize: "32px",
-      textShadow: "0 0 6px rgba(0,176,255,0.6), 1px 1px 2px rgba(0,0,0,0.5)",
-    },
-  },
-  {
-    key: "shadow_deep",
-    label: "深影白字",
-    style: { size: 28, color: "#ffffff", bold: true, italic: false, stroke: false, shadow: true },
-    previewStyle: {
-      color: "#ffffff",
-      fontWeight: 700,
-      fontSize: "32px",
-      textShadow: "2px 2px 4px rgba(0,0,0,0.8), 0 0 8px rgba(0,0,0,0.4)",
-    },
-  },
-  {
-    key: "soft_gold",
-    label: "柔光金",
-    style: { size: 28, color: "#ffd54f", bold: true, italic: false, stroke: false, shadow: true },
-    previewStyle: {
-      color: "#ffd54f",
-      fontWeight: 700,
-      fontSize: "32px",
-      textShadow: "0 0 6px rgba(255,213,79,0.5), 1px 1px 2px rgba(0,0,0,0.4)",
+      fontSize: "20px",
     },
   },
 ]

apps/web/src/pages/generate/generate.css

@@ -1733,36 +1733,36 @@
 /* 标题预设卡片网格 */
 .xx-title-presets-grid {
   display: grid;
-  grid-template-columns: repeat(6, 52px);
-  gap: 1px;
+  grid-template-columns: repeat(6, 1fr);
+  gap: 8px;
 }
 
 .xx-title-preset-card {
   display: flex;
+  flex-direction: column;
   align-items: center;
   justify-content: center;
-  width: 52px;
-  height: 52px;
-  padding: 0;
-  background: #404040;
+  aspect-ratio: 1 / 1;
+  padding: 4px;
+  background: var(--bg-secondary);
   border: 2px solid transparent;
-  border-radius: 8px;
+  border-radius: var(--radius-sm);
   cursor: pointer;
   transition: all 0.15s;
+  text-align: center;
 }
 
 .xx-title-preset-card:hover {
-  border-color: #666;
-  background: #4d4d4d;
+  border-color: var(--primary-200);
+  background: var(--bg-primary);
 }
 
 .xx-title-preset-card.active {
-  border-color: #409eff;
-  background: #4d4d4d;
+  border-color: var(--primary-color);
+  background: var(--primary-50);
 }
 
 .xx-title-preset-preview-text {
-  font-size: 32px;
   line-height: 1;
   user-select: none;
 }
@@ -2900,381 +2900,3 @@
   color: rgba(255, 255, 255, 0.85);
   white-space: nowrap;
 }
-
-/* ================================================================
-   Issue #1677 多视频批量生成
-   ================================================================ */
-
-/* ── Step4 布局对调：左侧预览大区域，右侧标题边栏 ── */
-.xx-generate-layout.step4-layout {
-  grid-template-columns: 1fr 380px;
-  align-items: start;
-}
-
-.xx-generate-preview-col {
-  min-width: 0;
-  position: sticky;
-  top: 16px;
-}
-
-.xx-generate-preview-col .xx-form-section {
-  margin: 0;
-}
-
-.xx-title-sidebar {
-  max-height: calc(100vh - 140px);
-  overflow-y: auto;
-}
-
-/* ── 数量选择弹窗 ── */
-.xx-modal-mask {
-  position: fixed;
-  inset: 0;
-  background: rgba(0, 0, 0, 0.45);
-  display: flex;
-  align-items: center;
-  justify-content: center;
-  z-index: 1000;
-}
-
-.xx-modal-box {
-  background: var(--bg-primary, #fff);
-  border-radius: 16px;
-  padding: 28px;
-  width: 420px;
-  max-width: calc(100vw - 32px);
-  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.18);
-}
-
-.xx-count-selector {
-  display: flex;
-  align-items: center;
-  justify-content: center;
-  gap: 16px;
-  margin: 8px 0 16px;
-}
-
-.xx-count-btn {
-  width: 44px;
-  height: 44px;
-  border-radius: 50%;
-  border: 1px solid var(--border-primary, #d9d9d9);
-  background: var(--bg-secondary, #f5f5f5);
-  font-size: 22px;
-  line-height: 1;
-  cursor: pointer;
-  color: var(--text-primary, #333);
-  transition: all 0.15s;
-}
-
-.xx-count-btn:hover:not(:disabled) {
-  border-color: #1677ff;
-  color: #1677ff;
-}
-
-.xx-count-btn:disabled {
-  opacity: 0.4;
-  cursor: not-allowed;
-}
-
-.xx-count-input {
-  width: 88px;
-  height: 52px;
-  text-align: center;
-  font-size: 26px;
-  font-weight: 700;
-  border: 2px solid var(--border-primary, #d9d9d9);
-  border-radius: 12px;
-  color: var(--text-primary, #333);
-  background: var(--bg-primary, #fff);
-}
-
-.xx-count-input:focus {
-  outline: none;
-  border-color: #1677ff;
-}
-
-/* 隐藏 number input 上下箭头 */
-.xx-count-input::-webkit-outer-spin-button,
-.xx-count-input::-webkit-inner-spin-button {
-  -webkit-appearance: none;
-  margin: 0;
-}
-.xx-count-input {
-  -moz-appearance: textfield;
-  appearance: textfield;
-}
-
-.xx-count-quick {
-  display: flex;
-  gap: 8px;
-  justify-content: center;
-  margin-bottom: 20px;
-}
-
-.xx-count-chip {
-  padding: 6px 16px;
-  border-radius: 999px;
-  border: 1px solid var(--border-primary, #d9d9d9);
-  background: var(--bg-primary, #fff);
-  font-size: 13px;
-  cursor: pointer;
-  color: var(--text-secondary, #666);
-  transition: all 0.15s;
-}
-
-.xx-count-chip:hover {
-  border-color: #1677ff;
-  color: #1677ff;
-}
-
-.xx-count-chip.active {
-  background: #1677ff;
-  border-color: #1677ff;
-  color: #fff;
-}
-
-.xx-count-actions {
-  display: flex;
-  gap: 12px;
-}
-
-.xx-count-actions .xx-btn {
-  flex: 1;
-}
-
-/* ── 批量预览网格 ── */
-.xx-variant-grid {
-  display: grid;
-  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
-  gap: 16px;
-}
-
-.xx-variant-card {
-  position: relative;
-  border: 2px solid var(--border-primary, #e8e8e8);
-  border-radius: 12px;
-  padding: 10px;
-  background: var(--bg-primary, #fff);
-  cursor: pointer;
-  transition: all 0.18s;
-}
-
-.xx-variant-card:hover {
-  border-color: #91caff;
-}
-
-.xx-variant-card.selected {
-  border-color: #1677ff;
-  box-shadow: 0 0 0 3px rgba(22, 119, 255, 0.12);
-}
-
-.xx-variant-card.failed {
-  border-color: #ffccc7;
-  cursor: default;
-}
-
-.xx-variant-check {
-  position: absolute;
-  top: 14px;
-  left: 14px;
-  z-index: 3;
-  width: 26px;
-  height: 26px;
-  border-radius: 50%;
-  border: 2px solid #fff;
-  background: rgba(0, 0, 0, 0.35);
-  color: #fff;
-  display: flex;
-  align-items: center;
-  justify-content: center;
-  font-size: 14px;
-  font-weight: 700;
-}
-
-.xx-variant-check.checked {
-  background: #1677ff;
-  border-color: #1677ff;
-}
-
-.xx-variant-index {
-  font-size: 13px;
-  font-weight: 600;
-  color: var(--text-secondary, #666);
-  margin-bottom: 8px;
-}
-
-.xx-variant-video-wrap {
-  position: relative;
-  border-radius: 8px;
-  overflow: hidden;
-  background: #000;
-  aspect-ratio: 9 / 16;
-  max-height: 420px;
-  display: flex;
-  align-items: center;
-  justify-content: center;
-}
-
-.xx-variant-loading,
-.xx-variant-failed {
-  display: flex;
-  flex-direction: column;
-  align-items: center;
-  gap: 10px;
-  color: var(--text-secondary, #999);
-  font-size: 12px;
-  padding: 16px;
-  text-align: center;
-}
-
-.xx-variant-progress {
-  width: 120px;
-  height: 4px;
-  border-radius: 2px;
-  background: rgba(255, 255, 255, 0.25);
-  overflow: hidden;
-}
-
-.xx-variant-progress-bar {
-  height: 100%;
-  background: #1677ff;
-  border-radius: 2px;
-  transition: width 0.4s;
-}
-
-.xx-variant-progress-text {
-  color: rgba(255, 255, 255, 0.85);
-  font-size: 12px;
-}
-
-.xx-variant-title-overlay {
-  position: absolute;
-  left: 8%;
-  right: 8%;
-  text-align: center;
-  font-weight: 700;
-  line-height: 1.3;
-  pointer-events: none;
-  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.7);
-  word-break: break-all;
-}
-
-.xx-variant-title-overlay.pos-top {
-  top: 8%;
-}
-
-.xx-variant-title-overlay.pos-center {
-  top: 50%;
-  transform: translateY(-50%);
-}
-
-.xx-variant-title-overlay.pos-bottom,
-.xx-variant-title-overlay.pos-custom {
-  bottom: 10%;
-}
-
-.xx-variant-footer {
-  min-height: 22px;
-  margin-top: 8px;
-  font-size: 12px;
-}
-
-.xx-variant-ready-tag {
-  color: #52c41a;
-  display: inline-flex;
-  align-items: center;
-  gap: 4px;
-}
-
-.xx-variant-skip-tag {
-  color: var(--text-tertiary, #999);
-}
-
-/* ── 批量配音列表 ── */
-.xx-per-voice-list {
-  display: flex;
-  flex-direction: column;
-  gap: 16px;
-}
-
-.xx-per-voice-list .xx-form-section {
-  margin: 0;
-}
-
-/* ── 批量封面网格 ── */
-.xx-cover-grid {
-  display: grid;
-  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
-  gap: 16px;
-}
-
-.xx-cover-card {
-  border: 1px solid var(--border-primary, #e8e8e8);
-  border-radius: 12px;
-  padding: 10px;
-  background: var(--bg-primary, #fff);
-}
-
-.xx-cover-card-title {
-  font-size: 13px;
-  font-weight: 600;
-  color: var(--text-secondary, #666);
-  margin-bottom: 8px;
-}
-
-.xx-cover-card-box {
-  position: relative;
-  border-radius: 8px;
-  overflow: hidden;
-  background: #000;
-  aspect-ratio: 9 / 16;
-  max-height: 300px;
-}
-
-.xx-cover-card-img {
-  width: 100%;
-  height: 100%;
-  object-fit: cover;
-  display: block;
-}
-
-.xx-cover-card-placeholder,
-.xx-cover-card-loading {
-  position: absolute;
-  inset: 0;
-  display: flex;
-  flex-direction: column;
-  align-items: center;
-  justify-content: center;
-  gap: 8px;
-  color: var(--text-tertiary, #999);
-  background: var(--bg-secondary, #f7f7f7);
-  font-size: 13px;
-}
-
-.xx-cover-card-ratio {
-  position: absolute;
-  right: 6px;
-  bottom: 6px;
-  background: rgba(0, 0, 0, 0.55);
-  color: #fff;
-  font-size: 10px;
-  padding: 1px 6px;
-  border-radius: 4px;
-}
-
-/* ── 响应式：窄屏 Step4 回退单列 ── */
-@media (max-width: 960px) {
-  .xx-generate-layout.step4-layout {
-    grid-template-columns: 1fr;
-  }
-
-  .xx-generate-preview-col {
-    position: static;
-  }
-
-  .xx-title-sidebar {
-    max-height: none;
-  }
-}

apps/web/src/pages/generate/hooks/generate-video/types.ts

@@ -29,19 +29,6 @@ export interface UseGenerateVideoProps {
   }
   /** 生成成功后的回调（用于清除持久化的 previewTaskId 等状态） */
   onGenerationSuccess?: () => void
-  /* ── 批量生成（#1677）── */
-  /** 生成数量（1=单条旧逻辑，>1=批量） */
-  previewCount?: number
-  /** 每个变体的标题文字（长度=count 时各自独立） */
-  variantTitles?: string[]
-  /** 独立配音模式下每个变体的配音ID（空数组=共用 selectedVoice） */
-  variantVoiceLibraryIds?: string[]
-  /** 是否独立配音 */
-  voiceModePerVideo?: boolean
-  /** 每个变体的封面URL（空数组=回退 coverSettings） */
-  variantCoverUrls?: string[]
-  /** 勾选要生成的变体索引（批量模式） */
-  selectedVariantIndexes?: number[]
 }
 
 /** 生成阶段 */
@@ -57,7 +44,7 @@ export interface UseGenerateVideoResult {
   generated: boolean
   generateError: string | null
   generatedVideos: GeneratedVideo[]
-  generate: () => Promise<boolean>
+  generate: () => Promise<void>
   retry: () => void
   dismissError: () => void
   download: () => Promise<void>

apps/web/src/pages/generate/hooks/generate-video/useGenerationPolling.ts

@@ -17,25 +17,31 @@ const MAX_RETRYABLE_ERRORS = 10
 const MAX_RESULTS_RETRIES = 3
 
 /**
- * 生成状态轮询 Hook（v3 — 支持批量多任务）
+ * 生成状态轮询 Hook（v2 — 改用 /generation/tasks/{task_id}）
  *
- * startPolling(taskId) 轮询单个任务；
- * startPollingBatch(taskIds) 并行轮询 N 个任务，全部完成后聚合结果，
- * 任一任务失败即整体失败（其余任务仍在后端继续，不影响）。
- * 进度为所有任务平均值。
+ * 旧版轮询 GET /templates/{id}/editor/generation-status 依赖 plan 维度状态，
+ * 在编辑流程数据链路断裂时拿不到 task_id。新版直接使用 POST /generation/tasks
+ * 返回的 task_id 轮询任务详情，不再依赖 plan。
+ *
+ * 错误处理：
+ * - 4xx（尤其 404）视为不可恢复，立即 onFailed，不再重试
+ * - 5xx / 网络错误重试，最多连续 MAX_RETRYABLE_ERRORS 次
+ * - 任务完成后获取结果失败会重试 MAX_RESULTS_RETRIES 次，仍失败则 onFailed
  */
-export function useGenerationPolling({
+export const useGenerationPolling = ({
   onProgress,
   onComplete,
   onFailed,
-}: UseGenerationPollingOptions) {
-  const progressTimer = useRef<ReturnType<typeof setTimeout>[]>([])
+}: UseGenerationPollingOptions) => {
+  const progressTimer = useRef<ReturnType<typeof setTimeout>>()
   const cancelledRef = useRef(false)
 
   const clearTimer = useCallback(() => {
     cancelledRef.current = true
-    progressTimer.current.forEach((t) => clearTimeout(t))
-    progressTimer.current = []
+    if (progressTimer.current) {
+      clearTimeout(progressTimer.current)
+      progressTimer.current = undefined
+    }
   }, [])
 
   /** 任务完成后拉取结果列表，带重试 */
@@ -56,151 +62,85 @@ export function useGenerationPolling({
     [],
   )
 
-  const extractErrorMessage = (pollErr: unknown, status: number): string => {
-    const msg =
-      (axios.isAxiosError(pollErr) &&
-        (pollErr.response?.data as { detail?: string; message?: string } | undefined)?.detail) ||
-      (axios.isAxiosError(pollErr) &&
-        (pollErr.response?.data as { detail?: string; message?: string } | undefined)?.message) ||
-      `查询任务失败 (${status})`
-    return safeExtractError(msg)
-  }
-
-  /** 轮询单个任务，resolve 该任务的结果视频数组；失败时 reject(new Error(msg)) */
-  const pollSingleTask = useCallback(
-    (taskId: string, runId: number, onTaskProgress?: (pct: number) => void): Promise<unknown[]> => {
-      return new Promise((resolve, reject) => {
-        let consecutiveErrors = 0
-        let done = false
-
-        const poll = async () => {
-          if (cancelledRef.current || done) return
-          try {
-            const task = await getGenerationTask(taskId)
-            if (cancelledRef.current || done) return
-            consecutiveErrors = 0
-
-            if (task.status === "completed") {
-              done = true
-              const videos = await fetchResultsWithRetry(taskId)
-              if (cancelledRef.current) return
-              if (videos === null) {
-                reject(new Error("视频已生成，但获取结果列表失败，请稍后在任务列表查看"))
-                return
-              }
-              resolve(videos)
-              return
-            }
-
-            if (task.status === "failed" || task.status === "cancelled") {
-              done = true
-              const rawMsg =
-                task.error_info?.error_message ||
-                task.error_message ||
-                (task.status === "cancelled" ? "任务已取消" : "视频生成失败，请联系管理员或重试")
-              reject(new Error(safeExtractError(rawMsg)))
-              return
-            }
-
-            const pct = Math.max(0, Math.min(99, Math.round(Number(task.progress) || 0)))
-            if (onTaskProgress) {
-              onTaskProgress(pct)
-            } else if (runId === 0) {
-              onProgress(pct)
-            }
-            const timer = setTimeout(poll, 2000)
-            progressTimer.current.push(timer)
-          } catch (pollErr) {
-            if (cancelledRef.current || done) return
-            console.error("[轮询出错] taskId:", taskId, pollErr)
-            const status = axios.isAxiosError(pollErr) ? pollErr.response?.status : undefined
-            if (status && status >= 400 && status < 500) {
-              done = true
-              reject(new Error(extractErrorMessage(pollErr, status)))
-              return
-            }
-            consecutiveErrors += 1
-            if (consecutiveErrors >= MAX_RETRYABLE_ERRORS) {
-              done = true
-              reject(new Error("任务状态查询连续失败，请稍后在任务列表查看结果"))
-              return
-            }
-            const timer = setTimeout(poll, 3000)
-            progressTimer.current.push(timer)
-          }
-        }
-
-        const timer = setTimeout(poll, 1500)
-        progressTimer.current.push(timer)
-      })
-    },
-    [onProgress, fetchResultsWithRetry],
-  )
-
-  /** 单任务轮询（兼容旧调用） */
   const startPolling = useCallback(
     (taskId: string) => {
       cancelledRef.current = false
-      const runId = 0
-      pollSingleTask(taskId, runId)
-        .then((videos) => {
-          if (cancelledRef.current) return
-          onProgress(100)
-          onComplete(videos)
-          message.success("视频生成完成！")
-        })
-        .catch((err: Error) => {
-          if (cancelledRef.current) return
-          console.error("[生成失败] taskId:", taskId, err.message)
-          onFailed(err.message)
-          message.error(err.message)
-        })
-    },
-    [pollSingleTask, onProgress, onComplete, onFailed],
-  )
+      let consecutiveErrors = 0
 
-  /** 批量多任务轮询：全部完成后聚合结果；任一失败即整体失败 */
-  const startPollingBatch = useCallback(
-    (taskIds: string[]) => {
-      cancelledRef.current = false
-      const runId = Date.now()
-      const progressMap = new Map<string, number>()
-
-      const reportAggregateProgress = () => {
+      const poll = async () => {
         if (cancelledRef.current) return
-        const values = taskIds.map((id) => progressMap.get(id) ?? 0)
-        const avg = Math.round(values.reduce((a, b) => a + b, 0) / Math.max(values.length, 1))
-        onProgress(Math.min(avg, 99))
+        try {
+          const task = await getGenerationTask(taskId)
+          consecutiveErrors = 0
+
+          if (task.status === "completed") {
+            onProgress(100)
+            const videos = await fetchResultsWithRetry(taskId)
+            if (cancelledRef.current) return
+            if (videos === null) {
+              const errorMsg = "视频已生成，但获取结果列表失败，请稍后在任务列表查看"
+              console.error("[生成结果获取失败] taskId:", taskId)
+              onFailed(errorMsg)
+              message.error(errorMsg)
+              return
+            }
+            onComplete(videos)
+            message.success("视频生成完成！")
+            return
+          }
+
+          if (task.status === "failed" || task.status === "cancelled") {
+            const rawMsg =
+              task.error_info?.error_message ||
+              task.error_message ||
+              (task.status === "cancelled" ? "任务已取消" : "视频生成失败，请联系管理员或重试")
+            const errorMsg = safeExtractError(rawMsg)
+            console.error("[生成失败] taskId:", taskId, "响应:", task)
+            onFailed(errorMsg)
+            message.error(errorMsg)
+            return
+          }
+
+          // pending / waiting / running — 继续轮询
+          const pct = Math.max(0, Math.min(99, Math.round(Number(task.progress) || 0)))
+          onProgress(pct)
+          progressTimer.current = setTimeout(poll, 2000)
+        } catch (pollErr) {
+          if (cancelledRef.current) return
+          console.error("[轮询出错] taskId:", taskId, pollErr)
+
+          // 4xx 不可恢复，立即失败
+          const status = axios.isAxiosError(pollErr) ? pollErr.response?.status : undefined
+          if (status && status >= 400 && status < 500) {
+            const msg =
+              (axios.isAxiosError(pollErr) &&
+                (pollErr.response?.data as { detail?: string; message?: string } | undefined)
+                  ?.detail) ||
+              (axios.isAxiosError(pollErr) &&
+                (pollErr.response?.data as { detail?: string; message?: string } | undefined)
+                  ?.message) ||
+              `查询任务失败 (${status})`
+            const errorMsg = safeExtractError(msg)
+            onFailed(errorMsg)
+            message.error(errorMsg)
+            return
+          }
+
+          consecutiveErrors += 1
+          if (consecutiveErrors >= MAX_RETRYABLE_ERRORS) {
+            const errorMsg = "任务状态查询连续失败，请稍后在任务列表查看结果"
+            onFailed(errorMsg)
+            message.error(errorMsg)
+            return
+          }
+          progressTimer.current = setTimeout(poll, 3000)
+        }
       }
 
-      const tasks = taskIds.map((taskId) =>
-        pollSingleTask(taskId, runId, (pct) => {
-          progressMap.set(taskId, pct)
-          reportAggregateProgress()
-        }).then((videos) => {
-          progressMap.set(taskId, 100)
-          reportAggregateProgress()
-          return videos
-        }),
-      )
-
-      Promise.all(tasks)
-        .then((results) => {
-          if (cancelledRef.current) return
-          onProgress(100)
-          const allVideos = results.flat()
-          onComplete(allVideos)
-          message.success(`全部 ${taskIds.length} 个视频生成完成！`)
-        })
-        .catch((err: Error) => {
-          if (cancelledRef.current) return
-          console.error("[批量生成失败]", err.message)
-          onFailed(err.message)
-          message.error(err.message)
-        })
+      progressTimer.current = setTimeout(poll, 1500)
     },
-    [pollSingleTask, onProgress, onComplete, onFailed],
+    [onProgress, onComplete, onFailed, fetchResultsWithRetry],
   )
 
-  return { startPolling, startPollingBatch, clearTimer }
+  return { startPolling, clearTimer }
 }

apps/web/src/pages/generate/hooks/step2-materials/useSmartMatch.ts

@@ -20,14 +20,13 @@ const SECONDS_PER_ASSET = 15
 /**
  * 根据模板 segments 计算所需素材数量上限。
  * 取每个 segment 的 duration_min 之和作为目标视频总时长，
- * 再按 15 秒/素材估算需要多少个素材，且保证不少于片段数（每个片段至少 1 个素材）；
- * 结果钳制到 [1, 200] 区间（后端 limit 上限 200）。
+ * 再按 15 秒/素材估算需要多少个素材；结果钳制到 [1, 200] 区间（后端 limit 上限 200）。
  */
 function computeLimitFromSegments(segments?: TemplateSegment[]): number {
   if (!segments || segments.length === 0) return DEFAULT_LIMIT
   const totalSeconds = segments.reduce((sum, seg) => sum + (seg.duration_min || 0), 0)
   if (totalSeconds <= 0) return DEFAULT_LIMIT
-  const limit = Math.max(segments.length, Math.ceil(totalSeconds / SECONDS_PER_ASSET))
+  const limit = Math.ceil(totalSeconds / SECONDS_PER_ASSET)
   return Math.max(1, Math.min(limit, 200))
 }
 

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

@@ -1,150 +0,0 @@
-/**
- * 批量封面 Hook（Issue #1677）
- * N 个视频时：逐个自动生成封面（从对应成片抽帧 + 叠加对应标题）或上传自定义封面
- */
-import { useCallback, useState } from "react"
-import { message } from "antd"
-import { generateCover } from "@/api/generation"
-import { uploadAssetDirect, getAssetLibraries } from "@/api/assets"
-import type { GeneratedVideo } from "@/api/template-editor"
-
-interface UseBatchCoversOptions {
-  selectedTemplate: string
-  generatedVideos: GeneratedVideo[]
-  /** 每个变体的标题文字 */
-  titles: string[]
-  /** 标题样式（全局共用） */
-  titleStyle: {
-    font: string
-    size: number
-    color: string
-    position: string
-    bold: boolean
-    stroke: boolean
-    shadow: boolean
-  }
-  covers: string[]
-  onCoversChange: (urls: string[]) => void
-}
-
-export function useBatchCovers({
-  selectedTemplate,
-  generatedVideos,
-  titles,
-  titleStyle,
-  covers,
-  onCoversChange,
-}: UseBatchCoversOptions) {
-  const [loadingIndex, setLoadingIndex] = useState<number | null>(null)
-  const [uploadingIndex, setUploadingIndex] = useState<number | null>(null)
-
-  const patchCover = useCallback(
-    (index: number, url: string) => {
-      const next = [...covers]
-      next[index] = url
-      onCoversChange(next)
-    },
-    [covers, onCoversChange],
-  )
-
-  /** 为第 index 个视频自动生成封面 */
-  const generateOne = useCallback(
-    async (index: number) => {
-      const finalVideos = generatedVideos.filter((v) => v.status === "completed")
-      const target = finalVideos[index] || generatedVideos[index]
-      if (!target) {
-        message.warning("该视频尚未生成完成")
-        return
-      }
-      setLoadingIndex(index)
-      try {
-        const titleText = titles[index] || ""
-        const response = await generateCover(selectedTemplate, {
-          generated_video_id: target.id,
-          video_url: target.file_url || target.download_url || "",
-          cover_type: "ai_frame",
-          ...(titleText
-            ? {
-                title_config: {
-                  text: titleText,
-                  font: titleStyle.font,
-                  font_size: titleStyle.size,
-                  font_color: titleStyle.color,
-                  position: titleStyle.position,
-                  bold: titleStyle.bold,
-                  stroke: titleStyle.stroke,
-                  shadow: titleStyle.shadow,
-                },
-              }
-            : {}),
-        })
-        const url = response.cover?.image_url || response.cover?.thumbnail_url || ""
-        if (url) {
-          patchCover(index, url)
-          message.success(`视频 ${index + 1} 封面生成成功`)
-        } else {
-          message.warning(`视频 ${index + 1} 封面生成未返回图片，请重试`)
-        }
-      } catch (err) {
-        console.error(`[封面] 视频 ${index + 1} 生成失败:`, err)
-        message.error(`视频 ${index + 1} 封面生成失败，请重试`)
-      } finally {
-        setLoadingIndex(null)
-      }
-    },
-    [generatedVideos, titles, titleStyle, selectedTemplate, patchCover],
-  )
-
-  /** 为第 index 个视频上传自定义封面 */
-  const uploadOne = useCallback(
-    async (index: number, file: File) => {
-      setUploadingIndex(index)
-      try {
-        const libs = await getAssetLibraries()
-        const imageLib = libs.find((l) => l.kind === "image") || libs[0]
-        if (!imageLib) {
-          message.error("未找到素材库，请先创建")
-          return
-        }
-        const result = await uploadAssetDirect({
-          file,
-          library_id: imageLib.id,
-        })
-        const url = result?.url || ""
-        if (url) {
-          patchCover(index, url)
-          message.success(`视频 ${index + 1} 封面已上传`)
-        } else {
-          message.warning("上传完成但未获取到图片URL，请重试")
-        }
-      } catch (err) {
-        console.error(`[封面] 视频 ${index + 1} 上传失败:`, err)
-        message.error("封面上传失败，请重试")
-      } finally {
-        setUploadingIndex(null)
-      }
-    },
-    [patchCover],
-  )
-
-  /** 一键全部自动生成（串行，避免队列限流） */
-  const generateAll = useCallback(async () => {
-    const finalVideos = generatedVideos.filter((v) => v.status === "completed")
-    for (let i = 0; i < finalVideos.length; i++) {
-      if (covers[i]) continue // 已有封面跳过
-      // eslint-disable-next-line no-await-in-loop
-      await generateOne(i)
-    }
-    message.success("全部封面已生成")
-  }, [generatedVideos, covers, generateOne])
-
-  return {
-    loadingIndex,
-    uploadingIndex,
-    generateOne,
-    uploadOne,
-    generateAll,
-  }
-}
-
-export default useBatchCovers

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

@@ -1,285 +0,0 @@
-/**
- * 批量服务器预览 Hook（Issue #1677 多视频批量生成）
- *
- * 核心职责：
- * 1. 调用 POST /generation/preview（preview_count=N）一次创建 N 个独立变体任务
- * 2. 对每个变体 task_id 分别轮询 GET /generation/preview/{task_id}
- * 3. 返回每个变体的状态/进度/视频URL，供网格播放器展示
- *
- * N=1 时不启用（走前端 Canvas 实时预览，零回归）；
- * N>1 时进入标题页自动触发；素材/配音等配置变化后重新触发。
- */
-import { useState, useCallback, useRef, useEffect } from "react"
-import { createPreview, getPreviewStatus } from "@/api/generation/preview"
-import type { CreatePreviewRequest } from "@/api/generation/types"
-
-export type VariantPreviewStatus = "loading" | "ready" | "failed"
-
-export interface VariantPreview {
-  /** 变体序号（0-based） */
-  index: number
-  taskId: string
-  status: VariantPreviewStatus
-  progress: number
-  videoUrl: string | null
-  error: string | null
-}
-
-interface UseBatchPreviewOptions {
-  /** 是否启用（仅 previewCount>1 且在标题页时启用） */
-  enabled: boolean
-  /** 构建预览请求参数（每次触发时调用，获取最新配置） */
-  buildRequest: () => CreatePreviewRequest
-  /** 批量预览任务创建成功回调（回传变体 taskId 列表与 source_edit_plan_id） */
-  onPreviewTasksCreated?: (taskIds: string[], sourceEditPlanId?: string) => void
-}
-
-interface UseBatchPreviewReturn {
-  variants: VariantPreview[]
-  /** 整体状态：loading=任一进行中，ready=全部完成，failed=有失败 */
-  status: "idle" | "loading" | "ready" | "partial_failed" | "failed"
-  /** 总进度 0-100（各变体平均值） */
-  progress: number
-  /** 失败的变体数量 */
-  failedCount: number
-  /** 手动重新触发 */
-  trigger: () => void
-}
-
-const POLL_INTERVAL = 2000
-const POLL_TIMEOUT = 180_000
-const MAX_NETWORK_RETRIES = 2
-
-/**
- * 对配置参数做指纹，用于检测配置是否变化（标题文字/样式变化不触发重渲染，仅CSS浮层叠加）
- */
-function buildFingerprint(req: CreatePreviewRequest): string {
-  // 不含 titles/title_config：标题文字与样式由 CSS 浮层实时叠加，变化不触发重渲染
-  return JSON.stringify({
-    t: req.template_id,
-    a: [...(req.asset_ids || [])].sort(),
-    r: req.video_ratio,
-    v: req.voice_library_id,
-    vs: req.voice_library_ids,
-    pc: req.preview_count,
-    b: req.bgm_config,
-  })
-}
-
-export function useBatchPreview({
-  enabled,
-  buildRequest,
-  onPreviewTasksCreated,
-}: UseBatchPreviewOptions): UseBatchPreviewReturn {
-  const [variants, setVariants] = useState<VariantPreview[]>([])
-  const [status, setStatus] = useState<"idle" | "loading" | "ready" | "partial_failed" | "failed">(
-    "idle",
-  )
-  const requestSeqRef = useRef(0)
-  const pollTimersRef = useRef<ReturnType<typeof setTimeout>[]>([])
-  const timeoutTimerRef = useRef<ReturnType<typeof setTimeout> | null>(null)
-  const mountedRef = useRef(true)
-
-  const buildRequestRef = useRef(buildRequest)
-  buildRequestRef.current = buildRequest
-  const onCreatedRef = useRef(onPreviewTasksCreated)
-  onCreatedRef.current = onPreviewTasksCreated
-
-  const clearTimers = useCallback(() => {
-    pollTimersRef.current.forEach((t) => clearTimeout(t))
-    pollTimersRef.current = []
-    if (timeoutTimerRef.current) {
-      clearTimeout(timeoutTimerRef.current)
-      timeoutTimerRef.current = null
-    }
-  }, [])
-
-  useEffect(() => {
-    mountedRef.current = true
-    return () => {
-      mountedRef.current = false
-      clearTimers()
-    }
-  }, [clearTimers])
-
-  /** 更新单个变体状态 */
-  const patchVariant = useCallback((taskId: string, patch: Partial<VariantPreview>) => {
-    setVariants((prev) => prev.map((v) => (v.taskId === taskId ? { ...v, ...patch } : v)))
-  }, [])
-
-  /** 轮询单个变体任务 */
-  const pollVariant = useCallback(
-    async (taskId: string, seq: number, retries = 0) => {
-      if (seq !== requestSeqRef.current || !mountedRef.current) return
-      try {
-        const st = await getPreviewStatus(taskId)
-        if (seq !== requestSeqRef.current || !mountedRef.current) return
-
-        if (st.status === "completed" && st.video_url) {
-          patchVariant(taskId, {
-            status: "ready",
-            videoUrl: st.video_url,
-            progress: 100,
-            error: null,
-          })
-          return
-        }
-        if (st.status === "failed" || st.status === "cancelled") {
-          patchVariant(taskId, {
-            status: "failed",
-            error:
-              st.status === "cancelled" ? "预览任务已取消" : st.error_message || "预览渲染失败",
-          })
-          return
-        }
-        if (typeof st.progress === "number") {
-          patchVariant(taskId, { progress: Math.round(st.progress) })
-        }
-        const timer = setTimeout(() => pollVariant(taskId, seq), POLL_INTERVAL)
-        pollTimersRef.current.push(timer)
-      } catch (err) {
-        if (seq !== requestSeqRef.current || !mountedRef.current) return
-        if (retries < MAX_NETWORK_RETRIES) {
-          console.warn(`[BatchPreview] 变体 ${taskId} 轮询网络错误，第 ${retries + 1} 次重试`, err)
-          const timer = setTimeout(() => pollVariant(taskId, seq, retries + 1), POLL_INTERVAL * 2)
-          pollTimersRef.current.push(timer)
-        } else {
-          patchVariant(taskId, { status: "failed", error: "网络错误，无法获取预览状态" })
-        }
-      }
-    },
-    [patchVariant],
-  )
-
-  /** 创建批量预览任务并开始轮询 */
-  const trigger = useCallback(() => {
-    if (!enabled) return
-    const request = buildRequestRef.current()
-    if (!request.template_id || !request.asset_ids?.length) return
-    const count = request.preview_count && request.preview_count > 1 ? request.preview_count : 0
-    if (!count) return
-
-    clearTimers()
-    const seq = ++requestSeqRef.current
-    setStatus("loading")
-    setVariants(
-      Array.from({ length: count }, (_, i) => ({
-        index: i,
-        taskId: "",
-        status: "loading" as const,
-        progress: 0,
-        videoUrl: null,
-        error: null,
-      })),
-    )
-
-    createPreview(request)
-      .then((resp) => {
-        if (seq !== requestSeqRef.current || !mountedRef.current) return
-        const items = resp.items || []
-        const taskIds = items.map((it) => it.task_id).filter(Boolean)
-        if (taskIds.length === 0) {
-          setStatus("failed")
-          setVariants((prev) =>
-            prev.map((v) => ({ ...v, status: "failed", error: "未创建预览任务" })),
-          )
-          return
-        }
-        onCreatedRef.current?.(taskIds, resp.source_edit_plan_id)
-
-        // 用返回的 task_id 填充变体（按 variant_index 对齐）
-        setVariants((prev) =>
-          prev.map((v) => {
-            const item = items.find((it) => it.variant_index === v.index) || items[v.index]
-            return item ? { ...v, taskId: item.task_id } : v
-          }),
-        )
-
-        // 超时保护
-        timeoutTimerRef.current = setTimeout(() => {
-          if (seq !== requestSeqRef.current || !mountedRef.current) return
-          setVariants((prev) =>
-            prev.map((v) =>
-              v.status === "loading"
-                ? { ...v, status: "failed", error: "预览渲染超时，请重试" }
-                : v,
-            ),
-          )
-        }, POLL_TIMEOUT)
-
-        // 分别轮询每个变体
-        items.forEach((item) => {
-          if (item.task_id) pollVariant(item.task_id, seq)
-        })
-      })
-      .catch((err: unknown) => {
-        if (seq !== requestSeqRef.current || !mountedRef.current) return
-        console.error("[BatchPreview] 创建批量预览失败:", err)
-        const errData = (err as { response?: { data?: { detail?: string; message?: string } } })
-          ?.response?.data
-        setStatus("failed")
-        setVariants((prev) =>
-          prev.map((v) => ({
-            ...v,
-            status: "failed",
-            error: errData?.detail || errData?.message || "预览任务创建失败，请重试",
-          })),
-        )
-      })
-  }, [enabled, clearTimers, pollVariant])
-
-  /* ── 自动触发 + 配置变更检测 ── */
-  const request = enabled ? buildRequest() : null
-  const currentFingerprint = request
-    ? request.template_id && request.asset_ids?.length && (request.preview_count || 1) > 1
-      ? buildFingerprint(request)
-      : ""
-    : ""
-
-  const didInitRef = useRef(false)
-  useEffect(() => {
-    if (!enabled || !currentFingerprint) {
-      didInitRef.current = false
-      requestSeqRef.current += 1
-      clearTimers()
-      setStatus("idle")
-      setVariants([])
-      return
-    }
-    if (!didInitRef.current) {
-      didInitRef.current = true
-      trigger()
-    }
-  }, [enabled, currentFingerprint, trigger, clearTimers])
-
-  // 配置变更（素材/配音/数量）→ 重新渲染；标题文字变化不触发（CSS浮层实时叠加）
-  const prevFingerprintRef = useRef(currentFingerprint)
-  useEffect(() => {
-    if (!enabled || !currentFingerprint) return
-    const prev = prevFingerprintRef.current
-    prevFingerprintRef.current = currentFingerprint
-    if (!prev || prev === currentFingerprint) return
-    trigger()
-  }, [enabled, currentFingerprint, trigger])
-
-  /* ── 派生状态 ── */
-  const progress =
-    variants.length > 0
-      ? Math.round(variants.reduce((sum, v) => sum + v.progress, 0) / variants.length)
-      : 0
-  const failedCount = variants.filter((v) => v.status === "failed").length
-  const readyCount = variants.filter((v) => v.status === "ready").length
-
-  useEffect(() => {
-    if (status !== "loading" || variants.length === 0) return
-    if (readyCount === variants.length) {
-      setStatus("ready")
-    } else if (readyCount + failedCount === variants.length && failedCount > 0) {
-      setStatus(failedCount === variants.length ? "failed" : "partial_failed")
-    }
-  }, [variants, status, readyCount, failedCount])
-
-  return { variants, status, progress, failedCount, trigger }
-}
-
-export default useBatchPreview

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

@@ -233,7 +233,7 @@ export function useCanvasPlayer(
     fontSize: number
     fontFamily: string
     color: string
-    position: "top" | "center" | "bottom" | "custom"
+    position: "top" | "center" | "bottom"
     bold?: boolean
     stroke?: boolean
     shadow?: boolean

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

@@ -1,6 +1,6 @@
 /**
  * GeneratePage 表单状态管理
- * 集中管理 5 步向导的所有共享状态、API 加载、URL 参数解析
+ * 集中管理 7 步向导的所有共享状态、API 加载、URL 参数解析
  */
 import { useState } from "react"
 import { useSearchParams } from "react-router-dom"
@@ -27,8 +27,6 @@ const DEFAULT_TITLE_SETTINGS: TitleSettings = {
   stroke: true,
   shadow: false,
   color: "#ffffff",
-  posX: null,
-  posY: null,
 }
 
 export interface GenerateFormState {
@@ -100,26 +98,6 @@ export interface GenerateFormState {
   /** 从预览响应中提取的 source_edit_plan_id（供 fallback 路径使用） */
   storedSourceEditPlanId: string | null
   setStoredSourceEditPlanId: (planId: string | null) => void
-
-  /* ── 批量生成（Issue #1677）── */
-  /** 生成数量（1~10），1=单条旧逻辑 */
-  previewCount: number
-  setPreviewCount: (n: number) => void
-  /** 每个变体的标题文字，长度=previewCount；[0] 与 titleSettings.title 保持同步 */
-  previewTitles: string[]
-  setPreviewTitles: (titles: string[] | ((prev: string[]) => string[])) => void
-  /** false=所有视频共用一个配音；true=每个视频独立配音 */
-  voiceModePerVideo: boolean
-  setVoiceModePerVideo: (v: boolean) => void
-  /** 独立配音模式下每个变体的配音素材ID，长度=previewCount */
-  voiceLibraryIds: string[]
-  setVoiceLibraryIds: (ids: string[] | ((prev: string[]) => string[])) => void
-  /** 每个变体的封面URL（自动生成或上传），长度=previewCount，空串=未设置 */
-  previewCovers: string[]
-  setPreviewCovers: (urls: string[] | ((prev: string[]) => string[])) => void
-  /** 确认生成时勾选的变体索引 */
-  selectedVariantIds: number[]
-  setSelectedVariantIds: (ids: number[] | ((prev: number[]) => number[])) => void
 }
 
 export const useGenerateFormState = (): GenerateFormState => {
@@ -205,14 +183,6 @@ export const useGenerateFormState = (): GenerateFormState => {
     null,
   )
 
-  /* ── 批量生成状态（Issue #1677）── */
-  const [previewCount, setPreviewCount] = useState(1)
-  const [previewTitles, setPreviewTitles] = useState<string[]>([""])
-  const [voiceModePerVideo, setVoiceModePerVideo] = useState(false)
-  const [voiceLibraryIds, setVoiceLibraryIds] = useState<string[]>([""])
-  const [previewCovers, setPreviewCovers] = useState<string[]>([""])
-  const [selectedVariantIds, setSelectedVariantIds] = useState<number[]>([0])
-
   /* ── 从 URL / 编辑计划加载配置 ── */
   usePlanConfigLoader({
     editPlanId,
@@ -261,17 +231,5 @@ export const useGenerateFormState = (): GenerateFormState => {
     setPreviewTaskId,
     storedSourceEditPlanId,
     setStoredSourceEditPlanId,
-    previewCount,
-    setPreviewCount,
-    previewTitles,
-    setPreviewTitles,
-    voiceModePerVideo,
-    setVoiceModePerVideo,
-    voiceLibraryIds,
-    setVoiceLibraryIds,
-    previewCovers,
-    setPreviewCovers,
-    selectedVariantIds,
-    setSelectedVariantIds,
   }
 }

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

@@ -38,7 +38,7 @@ export function useGenerateVideo(props: UseGenerateVideoProps) {
     setGenerateError(errorMsg)
   }, [])
 
-  const { startPolling, startPollingBatch, clearTimer } = useGenerationPolling({
+  const { startPolling, clearTimer } = useGenerationPolling({
     onProgress: handleProgress,
     onComplete: handleComplete,
     onFailed: handleFailed,
@@ -83,11 +83,7 @@ export function useGenerateVideo(props: UseGenerateVideoProps) {
         }
       }
 
-      const isBatch = (props.previewCount || 1) > 1
-      const hide = message.loading(
-        isBatch ? `正在生成 ${props.previewCount} 个视频...` : "正在生成预览视频...",
-        0,
-      )
+      const hide = message.loading("正在生成预览视频...", 0)
 
       const coverUrl = props.coverSettings?.thumbnail_url || props.coverSettings?.upload_url || ""
 
@@ -96,29 +92,6 @@ export function useGenerateVideo(props: UseGenerateVideoProps) {
           ? props.selectedClonedVoice || props.selectedVoice || ""
           : props.selectedVoice || ""
 
-      /* ── 批量变体数组（长度1=共用，长度=count=独立，空=回退单值） ── */
-      const indexes =
-        isBatch && props.selectedVariantIndexes?.length
-          ? props.selectedVariantIndexes
-          : Array.from({ length: props.previewCount || 1 }, (_, i) => i)
-      const batchCount = isBatch ? indexes.length : 1
-
-      // 标题文字数组：批量时按勾选顺序
-      const titlesArr =
-        isBatch && (props.variantTitles?.length || 0) >= batchCount
-          ? indexes.map((i) => props.variantTitles![i] || props.titleSettings?.title || "")
-          : []
-      // 配音数组：独立配音模式按勾选顺序；否则不传（回退共用 voice_library_id）
-      const voiceArr =
-        isBatch && props.voiceModePerVideo && props.variantVoiceLibraryIds?.length
-          ? indexes.map((i) => props.variantVoiceLibraryIds![i] || voiceLibraryId)
-          : []
-      // 封面数组：批量时按勾选顺序（未设置封面的变体传空串，后端回退智能封面）
-      const coversArr =
-        isBatch && props.variantCoverUrls?.length
-          ? indexes.map((i) => props.variantCoverUrls![i] || "")
-          : []
-
       try {
         const taskResp = await createGenerationTask({
           template_id: selectedTemplate,
@@ -136,10 +109,6 @@ export function useGenerateVideo(props: UseGenerateVideoProps) {
             ...(props.bgmConfig?.music_id ? { preset_id: props.bgmConfig.music_id } : {}),
           },
           ...(props.sourceEditPlanId ? { source_edit_plan_id: props.sourceEditPlanId } : {}),
-          ...(isBatch ? { count: batchCount } : {}),
-          ...(titlesArr.length ? { titles: titlesArr } : {}),
-          ...(voiceArr.length ? { voice_library_ids: voiceArr } : {}),
-          ...(coversArr.length ? { cover_urls: coversArr } : {}),
           ...(props.titleSettings?.title
             ? {
                 title_config: {
@@ -148,14 +117,6 @@ export function useGenerateVideo(props: UseGenerateVideoProps) {
                   font_size: props.titleSettings.size,
                   font_color: props.titleSettings.color,
                   position: props.titleSettings.position,
-                  ...(props.titleSettings.position === "custom" &&
-                  props.titleSettings.posX != null &&
-                  props.titleSettings.posY != null
-                    ? {
-                        pos_x: Math.round(props.titleSettings.posX),
-                        pos_y: Math.round(props.titleSettings.posY),
-                      }
-                    : {}),
                   bold: props.titleSettings.bold,
                   stroke: props.titleSettings.stroke,
                   shadow: props.titleSettings.shadow,
@@ -164,16 +125,12 @@ export function useGenerateVideo(props: UseGenerateVideoProps) {
             : {}),
         })
         hide()
-        const taskIds = (taskResp.items || []).map((it) => it.id).filter(Boolean)
+        const taskId = taskResp.items?.[0]?.id
 
-        if (taskIds.length === 0) {
+        if (!taskId) {
           throw new Error("创建任务成功但未返回任务 ID，请稍后在任务列表查看")
         }
-        if (taskIds.length > 1) {
-          startPollingBatch(taskIds)
-        } else {
-          startPolling(taskIds[0])
-        }
+        startPolling(taskId)
       } catch (err) {
         hide()
         throw err
@@ -189,7 +146,7 @@ export function useGenerateVideo(props: UseGenerateVideoProps) {
       return false
     }
     return true
-  }, [props, clearTimer, startPolling, startPollingBatch, selectedTemplate])
+  }, [props, clearTimer, startPolling, selectedTemplate])
 
   const retry = useCallback(() => {
     setGenerateError(null)

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

@@ -114,11 +114,8 @@ export function useServerPreview({
         const resp = await createPreview(request)
         if (seq !== requestSeqRef.current || !mountedRef.current) return
 
-        // 兼容批量响应 {items, total}：取第一个变体
-        const firstTask = resp.items?.[0]
-        const taskId = firstTask?.task_id || ""
-        setTaskId(taskId)
-        onCreatedRef.current?.(taskId, resp.source_edit_plan_id)
+        setTaskId(resp.task_id)
+        onCreatedRef.current?.(resp.task_id, resp.source_edit_plan_id)
 
         let completed = false
 
@@ -135,7 +132,7 @@ export function useServerPreview({
           if (completed || seq !== requestSeqRef.current || !mountedRef.current) return
 
           try {
-            const st = await getPreviewStatus(taskId)
+            const st = await getPreviewStatus(resp.task_id)
             if (completed || seq !== requestSeqRef.current || !mountedRef.current) return
 
             if (st.status === "completed" && st.video_url) {

apps/web/src/pages/generate/hooks/useStep4Title/useTitleStyleUpdaters.ts

@@ -46,16 +46,7 @@ export function useTitleStyleUpdaters({
 
   const updatePosition = useCallback(
     (position: string) => {
-      // 切回三档预设时清掉自定义坐标
-      onTitleSettingsChange({ ...titleSettings, position, posX: null, posY: null })
-    },
-    [titleSettings, onTitleSettingsChange],
-  )
-
-  /** 拖拽更新自定义位置（由预览播放器调用） */
-  const updateTitlePosition = useCallback(
-    (posX: number, posY: number) => {
-      onTitleSettingsChange({ ...titleSettings, position: "custom", posX, posY })
+      onTitleSettingsChange({ ...titleSettings, position })
     },
     [titleSettings, onTitleSettingsChange],
   )
@@ -120,7 +111,6 @@ export function useTitleStyleUpdaters({
     updateTitle,
     toggleAiAutoSelect,
     updatePosition,
-    updateTitlePosition,
     updateFont,
     updateSize,
     updateColor,

apps/web/src/pages/generate/hooks/useStep7Generate.ts

@@ -0,0 +1,112 @@
+/**
+ * Step 7 确认生成 Hook
+ * 封装生成确认页的展示逻辑
+ */
+import { useMemo } from "react"
+import { useQuery } from "@tanstack/react-query"
+import type { EditingTemplate } from "@/api/editing-planner"
+import type { GeneratedVideo } from "@/api/template-editor"
+import type { CoverConfig } from "../types/cover"
+import type { VoiceClone } from "@/api/voice-clone"
+import type { PresetVoiceItem } from "@/api/voices"
+import { getAssetsByKind } from "@/api/assets"
+import { COVER_MODE_LABELS } from "../constants"
+
+interface UseStep7GenerateProps {
+  templates: EditingTemplate[]
+  selectedTemplate: string
+  materialMode: "manual" | "auto"
+  selectedMaterials: string[]
+  smartSelectedIds: string[]
+  title: string
+  voiceMode: "preset" | "custom" | "clone"
+  selectedVoice: string
+  selectedClonedVoice: string
+  presetVoices: PresetVoiceItem[]
+  clonedVoices: VoiceClone[]
+  coverSettings: CoverConfig
+  generating: boolean
+  generated: boolean
+  generateError: string | null
+  progress: number
+  generatedVideos: GeneratedVideo[]
+}
+
+export function useStep7Generate({
+  templates,
+  selectedTemplate,
+  materialMode,
+  selectedMaterials,
+  smartSelectedIds,
+  title,
+  voiceMode: _voiceMode,
+  selectedVoice,
+  selectedClonedVoice: _selectedClonedVoice,
+  presetVoices: _presetVoices,
+  clonedVoices: _clonedVoices,
+  coverSettings,
+  generating,
+  generated,
+  generateError,
+  progress,
+  generatedVideos,
+}: UseStep7GenerateProps) {
+  const templateName = useMemo(
+    () => templates.find((t) => t.id === selectedTemplate)?.name ?? "未选择",
+    [templates, selectedTemplate],
+  )
+
+  const materialSummary = useMemo(() => {
+    if (materialMode === "auto") {
+      return `${smartSelectedIds.length} 个素材（智能匹配）`
+    }
+    return `${selectedMaterials.length} 个素材`
+  }, [materialMode, selectedMaterials.length, smartSelectedIds.length])
+
+  // 从配音素材库中查找 voiceName
+  const { data: voiceMaterials = [] } = useQuery({
+    queryKey: ["assets", "voice"],
+    queryFn: () => getAssetsByKind("voice", { limit: 50 }),
+  })
+
+  const voiceName = useMemo(() => {
+    const asset = voiceMaterials.find((v) => v.id === selectedVoice)
+    return asset ? asset.name : "未选择"
+  }, [voiceMaterials, selectedVoice])
+
+  const coverSummary = useMemo(() => {
+    if (!coverSettings.enabled) return "不使用"
+    return COVER_MODE_LABELS[coverSettings.mode] || "智能封面"
+  }, [coverSettings])
+
+  const getGenerationPhase = (p: number) => {
+    if (p < 20) return { label: "分析素材与配置", icon: "🔍" }
+    if (p < 50) return { label: "智能剪辑合成", icon: "🎬" }
+    if (p < 80) return { label: "渲染视频中", icon: "⚡" }
+    return { label: "即将完成", icon: "✨" }
+  }
+
+  const handleScrollToPreview = () => {
+    const el =
+      document.querySelector(".xx-inline-video-player") ||
+      document.querySelector(".xx-preview-section")
+    el?.scrollIntoView({ behavior: "smooth", block: "start" })
+  }
+
+  return {
+    templateName,
+    materialSummary,
+    title,
+    voiceName,
+    coverSummary,
+    generating,
+    generated,
+    generateError,
+    progress,
+    generatedVideos,
+    getGenerationPhase,
+    handleScrollToPreview,
+  }
+}
+
+export default useStep7Generate

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

@@ -1,6 +1,6 @@
 /**
- * GeneratePage 步骤导航（Issue #1677 改造后 5 步）
- * 步骤：模板(1) → 素材(2) → 配音(3) → 标题+预览+确认生成(4) → 封面(5)
+ * GeneratePage 步骤导航
+ * 步骤顺序（6步）：模板(1) → 素材(2) → 配音(3) → 标题(4) → 确认生成(5) → 封面(6)
  */
 import { message } from "antd"
 import type { TitleSettings } from "../types"
@@ -13,16 +13,10 @@ export interface UseStepNavigationOptions {
   selectedMaterials: string[]
   smartSelectedIds: string[]
   titleSettings: TitleSettings
-  /** 预览是否已就绪（单视频=前端预览素材已加载；批量=服务器预览全部完成） */
+  /** 预览是否已就绪（素材已加载，可播放） */
   previewReady: boolean
-  /** 是否已完成视频生成（步骤4确认生成后才能进入封面） */
+  /** 是否已完成视频生成（步骤5确认生成后才能进入封面） */
   generated: boolean
-  /** 批量模式下每个变体的标题 */
-  previewTitles: string[]
-  /** 批量模式勾选的变体数 */
-  selectedCount: number
-  /** Step1 点下一步时弹出数量选择弹窗 */
-  onOpenCountModal: () => void
 }
 
 export interface UseStepNavigationReturn {
@@ -38,21 +32,14 @@ export const useStepNavigation = (options: UseStepNavigationOptions): UseStepNav
     materialMode,
     selectedMaterials,
     smartSelectedIds,
+    titleSettings,
     previewReady,
     generated,
-    previewTitles,
-    selectedCount,
-    onOpenCountModal,
   } = options
 
   const goNext = () => {
-    if (currentStep === 1) {
-      if (!selectedTemplate) {
-        message.warning("请先选择一个模板")
-        return
-      }
-      // 选完模板弹数量选择弹窗（每次都弹，不记忆）
-      onOpenCountModal()
+    if (currentStep === 1 && !selectedTemplate) {
+      message.warning("请先选择一个模板")
       return
     }
     if (currentStep === 2 && materialMode === "manual" && selectedMaterials.length === 0) {
@@ -63,27 +50,23 @@ export const useStepNavigation = (options: UseStepNavigationOptions): UseStepNav
       message.warning("请先进行智能匹配并选择素材")
       return
     }
-    // Step4（标题+预览+确认生成）：标题必填 + 预览必须已加载
+    // Step4（标题+预览）：标题必填 + 预览必须已加载
     if (currentStep === 4) {
-      const allTitlesFilled = previewTitles.every((t) => t && t.trim())
-      if (!allTitlesFilled) {
-        message.warning("请为每个视频输入标题")
-        return
-      }
-      if (selectedCount === 0) {
-        message.warning("请至少勾选一个视频")
+      if (!titleSettings.title.trim()) {
+        message.warning("请选择或输入标题")
         return
       }
       if (!previewReady) {
         message.warning("预览视频正在加载，请稍候")
         return
       }
-      if (!generated) {
-        message.warning("请先点击「确认生成视频」完成渲染")
-        return
-      }
     }
-    if (currentStep < 5) {
+    // Step5（确认生成）：必须已完成生成才能进入封面
+    if (currentStep === 5 && !generated) {
+      message.warning("请先生成视频")
+      return
+    }
+    if (currentStep < 6) {
       setCurrentStep((s) => s + 1)
     }
   }

apps/web/src/pages/generate/types.ts

@@ -16,9 +16,6 @@ export interface TitleSettings {
   stroke: boolean
   shadow: boolean
   color: string
-  /** 自由位置坐标（PlayRes 像素），仅当 position="custom" 时有效 */
-  posX: number | null
-  posY: number | null
 }
 
 /* ── 智能匹配结果 ── */

apps/web/src/pages/history/hooks/useTaskHistory.ts

@@ -35,13 +35,7 @@ export const useTaskHistory = () => {
   } = useQuery<TaskItem[], Error>({
     queryKey: ["tasks"],
     queryFn: getUserTasks,
-    staleTime: 5_000,
-    // 有进行中任务时每 3 秒自动刷新，全部结束后停止轮询
-    refetchInterval: (query) => {
-      const list = query.state.data ?? []
-      const hasActive = list.some((t) => ["pending", "waiting", "running"].includes(t.status))
-      return hasActive ? 3_000 : false
-    },
+    staleTime: 30_000,
   })
 
   // 重试 mutation

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

@@ -11,7 +11,7 @@
  * 产品卡片 → components/ProductCard（内联视频播放）
  */
 import React from "react"
-import { VideoCameraOutlined, DownloadOutlined, ReloadOutlined } from "@ant-design/icons"
+import { VideoCameraOutlined, DownloadOutlined } from "@ant-design/icons"
 import { Button } from "@/components/ui"
 import { ProductCard } from "./components/ProductCard"
 import { ProductFilterBar } from "./components/ProductFilterBar"
@@ -19,7 +19,6 @@ import { ProductBatchBar } from "./components/ProductBatchBar"
 import { ProductEmptyState } from "./components/ProductEmptyState"
 import { useProductList } from "./hooks/useProductList"
 import { useProductActions } from "./hooks/useProductActions"
-import { useRecomputeDedup } from "./hooks/product-actions/useRecomputeDedup"
 import "./products.css"
 
 const ProductLibrary: React.FC = () => {
@@ -68,8 +67,6 @@ const ProductLibrary: React.FC = () => {
     setPlayingProduct: () => {}, // 不再使用弹窗播放
   })
 
-  const { recomputeDedup, isRecomputing } = useRecomputeDedup()
-
   // ── Loading 状态 ──
   if (isLoading) {
     return <ProductEmptyState type="loading" />
@@ -97,15 +94,6 @@ const ProductLibrary: React.FC = () => {
           <Button buttonType="ghost" buttonSize="sm" icon={<DownloadOutlined />}>
             批量导出
           </Button>
-          <Button
-            buttonType="ghost"
-            buttonSize="sm"
-            icon={<ReloadOutlined />}
-            loading={isRecomputing}
-            onClick={recomputeDedup}
-          >
-            重新查重
-          </Button>
         </div>
       </div>
 

apps/web/src/pages/products/components/ProductCard.tsx

@@ -221,7 +221,7 @@ export const ProductCard: React.FC<ProductCardProps> = ({
               product.duplicateRate > 0 ? ` ${dupClass}` : ""
             }`}
           >
-            查重率：{product.duplicateRate != null ? `${product.duplicateRate.toFixed(1)}%` : "-"}
+            查重率：{product.duplicateRate > 0 ? `${product.duplicateRate.toFixed(1)}%` : "-"}
           </span>
         </div>
       </div>

apps/web/src/pages/products/components/ProductInfoPanel.tsx

@@ -2,7 +2,6 @@ import React from "react"
 import type { ProductItem } from "../../../api/products"
 import { STATUS_MAP } from "../constants"
 import { formatDuration, formatFileSize, formatDate } from "../detailUtils"
-import { getRiskLevel } from "../../duplication/utils"
 
 interface ProductInfoPanelProps {
   product: ProductItem
@@ -45,28 +44,12 @@ export const ProductInfoPanel: React.FC<ProductInfoPanelProps> = ({ product }) =
         </div>
         <div className="xx-detail-meta-item">
           <span className="xx-detail-meta-label">查重率</span>
-          <span
-            className={`xx-detail-meta-value dup-risk-text dup-risk-${getRiskLevel(product.duplicate_rate)}`}
-          >
+          <span className="xx-detail-meta-value">
             {(product.duplicate_rate ?? 0) > 0
               ? `${(product.duplicate_rate ?? 0).toFixed(1)}%`
               : "-"}
           </span>
         </div>
-        {product.visual_similarity != null && (
-          <div className="xx-detail-meta-item">
-            <span className="xx-detail-meta-label">视觉相似度</span>
-            <span className="xx-detail-meta-value">
-              {(product.visual_similarity * 100).toFixed(1)}%
-            </span>
-          </div>
-        )}
-        {product.match_count != null && (
-          <div className="xx-detail-meta-item">
-            <span className="xx-detail-meta-label">匹配帧数</span>
-            <span className="xx-detail-meta-value">{product.match_count}</span>
-          </div>
-        )}
         <div className="xx-detail-meta-item">
           <span className="xx-detail-meta-label">创建时间</span>
           <span className="xx-detail-meta-value">{formatDate(product.created_at ?? "")}</span>

apps/web/src/pages/products/hooks/product-actions/useRecomputeDedup.ts

@@ -1,27 +0,0 @@
-import { useMutation, useQueryClient } from "@tanstack/react-query"
-import { message } from "antd"
-import { recomputeDedup } from "@/api/products"
-
-export function useRecomputeDedup() {
-  const queryClient = useQueryClient()
-
-  const mutation = useMutation({
-    mutationFn: () => recomputeDedup(),
-    onSuccess: (data) => {
-      queryClient.invalidateQueries({ queryKey: ["products"] })
-      if (data.enqueued > 0) {
-        message.success(`已提交 ${data.enqueued} 个视频的查重任务，后台处理中`)
-      } else {
-        message.info("所有视频查重率已是最新，无需重算")
-      }
-    },
-    onError: () => {
-      message.error("查重任务提交失败，请稍后重试")
-    },
-  })
-
-  return {
-    recomputeDedup: () => mutation.mutate(),
-    isRecomputing: mutation.isPending,
-  }
-}

apps/web/src/pages/products/products.css

@@ -91,6 +91,8 @@
   height: 18px;
   border: 2px solid var(--border-color);
   border-radius: var(--radius-xs);
+  display: grid;
+  place-items: center;
   transition: var(--transition-all);
   background: var(--bg-primary);
   flex-shrink: 0;
@@ -135,7 +137,7 @@
    ============================================================ */
 .xx-products-grid {
   display: grid;
-  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
+  grid-template-columns: repeat(4, 1fr);
   gap: var(--space-md);
 }
 
@@ -185,6 +187,8 @@
   height: 22px;
   border: 2px solid rgba(255, 255, 255, 0.8);
   border-radius: var(--radius-xs);
+  display: grid;
+  place-items: center;
   background: rgba(0, 0, 0, 0.3);
   backdrop-filter: blur(4px);
   cursor: pointer;
@@ -258,8 +262,11 @@
 .xx-product-thumb {
   position: relative;
   overflow: hidden;
+  display: grid;
+  place-items: center;
   color: var(--text-inverse);
   background: var(--color-gray-950);
+  max-height: 320px;
 }
 
 .xx-product-thumb-bg {
@@ -282,28 +289,22 @@
 }
 
 .xx-product-play {
-  position: absolute;
-  top: 50%;
-  left: 50%;
-  transform: translate(-50%, -50%);
-  z-index: 2;
-  width: 52px;
-  height: 52px;
-  border-radius: 50%;
+  position: relative;
+  z-index: 1;
+  width: 44px;
+  height: 44px;
+  border-radius: var(--radius-full);
   background: rgba(0, 0, 0, 0.45);
   backdrop-filter: blur(4px);
-  display: flex;
-  align-items: center;
-  justify-content: center;
-  font-size: 28px;
-  color: #fff;
-  transition: all 0.2s;
-  cursor: pointer;
+  display: grid;
+  place-items: center;
+  font-size: var(--font-size-md);
+  transition: var(--transition-all);
 }
 
 .xx-product-card:hover .xx-product-play {
   background: var(--primary-color);
-  transform: translate(-50%, -50%) scale(1.1);
+  transform: scale(1.1);
 }
 
 /* 时长标签 */
@@ -323,7 +324,7 @@
 
 /* 卡片信息区 */
 .xx-product-info {
-  padding: 8px 10px;
+  padding: 14px;
   display: flex;
   flex-direction: column;
   gap: var(--space-sm);
@@ -505,6 +506,8 @@
   z-index: 1000;
   background: rgba(0, 0, 0, 0.75);
   backdrop-filter: blur(8px);
+  display: grid;
+  place-items: center;
   animation: player-fade-in 0.25s ease-out;
 }
 
@@ -543,6 +546,8 @@
   background: var(--color-gray-950);
   aspect-ratio: 9 / 16;
   max-height: 60vh;
+  display: grid;
+  place-items: center;
 }
 
 .xx-player-video-wrap video {
@@ -564,6 +569,8 @@
   backdrop-filter: blur(4px);
   color: var(--text-inverse);
   font-size: 28px;
+  display: grid;
+  place-items: center;
   cursor: pointer;
   border: none;
   transition: var(--transition-all);
@@ -660,6 +667,8 @@
   backdrop-filter: blur(4px);
   color: var(--text-inverse);
   font-size: var(--font-size-md);
+  display: grid;
+  place-items: center;
   cursor: pointer;
   border: none;
   transition: var(--transition-all);
@@ -1076,19 +1085,3 @@
     gap: var(--space-sm);
   }
 }
-
-/* 查重率风险颜色（#1662） */
-.xx-detail-meta-value.dup-risk-low {
-  color: var(--success-color, #22c55e);
-  font-weight: 600;
-}
-
-.xx-detail-meta-value.dup-risk-medium {
-  color: var(--warning-color, #f59e0b);
-  font-weight: 600;
-}
-
-.xx-detail-meta-value.dup-risk-high {
-  color: var(--error-color, #ef4444);
-  font-weight: 600;
-}

apps/web/src/pages/voice-materials/hooks/useVoiceMaterials/useVoiceMaterialData.ts

@@ -1,11 +1,6 @@
 import { useMemo, useEffect } from "react"
 import { useQuery, useMutation, useQueryClient } from "@tanstack/react-query"
-import {
-  getAssetsByKind,
-  getAssetLibraries,
-  createAssetLibrary,
-  type AssetItem,
-} from "@/api/assets"
+import { getAssetsByKind, getAssetLibraries, createAssetLibrary } from "@/api/assets"
 import { type VoiceMaterial, mapAssetToMaterial } from "../../types"
 
 interface UseVoiceMaterialDataOptions {
@@ -49,15 +44,6 @@ export function useVoiceMaterialData({ keyword, gender, tagIds }: UseVoiceMateri
     queryKey: ["assets", "voice", { keyword, gender, tag_ids: tagIds }],
     queryFn: () => getAssetsByKind("voice", { keyword, gender, tag_ids: tagIds }),
     staleTime: 30_000,
-    // 列表中存在上传中/处理中素材时每 3s 轮询；全部就绪后自动停止
-    refetchInterval: (query) => {
-      const items = (query.state.data as AssetItem[] | undefined) ?? []
-      const processing = items.some((a) => {
-        const st = a.status ?? ""
-        return st === "uploading" || st === "ingesting" || st === "processing" || st === "pending"
-      })
-      return processing ? 3000 : false
-    },
   })
 
   const materials: VoiceMaterial[] = useMemo(() => assets.map(mapAssetToMaterial), [assets])

apps/web/src/pages/voice-materials/types.ts

@@ -41,7 +41,7 @@ export const mapAssetToMaterial = (asset: AssetItem): VoiceMaterial => {
     tagIds: Array.isArray(asset.tag_ids) ? asset.tag_ids : [],
     fileName: asset.storage_key?.split("/").pop() || asset.name,
     fileSize: asset.file_size || 0,
-    duration: asset.duration || (meta.duration as number) || 0,
+    duration: (meta.duration as number) || 0,
     mimeType: asset.mime_type || "audio/mpeg",
     createdAt: asset.created_at || new Date().toISOString(),
     fileUrl: asset.file_url,

apps/web/src/pages/voices/VoiceLibrary.tsx

@@ -14,14 +14,8 @@
  * 弹窗集合 → components/VoiceModals
  * Toast 提示 → components/VoiceToasts
  */
-import React, { useCallback, useEffect, useState } from "react"
-import { useSearchParams } from "react-router-dom"
-import {
-  UploadOutlined,
-  AudioOutlined,
-  RobotOutlined,
-  VideoCameraOutlined,
-} from "@ant-design/icons"
+import React, { useCallback, useState } from "react"
+import { UploadOutlined, AudioOutlined, RobotOutlined } from "@ant-design/icons"
 import { Button } from "@/components/ui"
 import PageHead from "@/components/layout/PageHead"
 import { type AssetItem } from "@/api/assets"
@@ -40,8 +34,6 @@ import { useTtsSynthesize } from "./hooks/useTtsSynthesize"
 import { useVoiceUpload } from "./hooks/useVoiceUpload"
 import { useMaterialDelete } from "./hooks/useMaterialDelete"
 import { useMaterialBatchDelete } from "./hooks/useMaterialBatchDelete"
-import { useVideoExtract } from "./hooks/useVideoExtract"
-import VideoExtractModal from "./components/VideoExtractModal"
 import "./voices.css"
 
 let toastIdSeq = 0
@@ -166,32 +158,6 @@ const VoiceLibrary: React.FC = () => {
     handleUploadClose,
   } = useVoiceUpload({ showToast })
 
-  // ── 提取视频配音 ──────────────────────────────────────
-  const {
-    extractOpen,
-    extractFile,
-    extractProgress,
-    isExtracting,
-    setExtractOpen,
-    handleFileSelect: handleExtractFileSelect,
-    handleExtract,
-    handleExtractClose,
-  } = useVideoExtract({ showToast })
-
-  // ── URL 参数自动打开上传弹窗 ────────────────────────────
-  const [searchParams, setSearchParams] = useSearchParams()
-
-  useEffect(() => {
-    if (searchParams.get("upload") === "1") {
-      setActiveTab("material")
-      setUploadOpen(true)
-      // 一次性触发器：清理 upload 参数，避免切换 Tab 时重复触发
-      const next = new URLSearchParams(searchParams)
-      next.delete("upload")
-      setSearchParams(next, { replace: true })
-    }
-  }, [searchParams, setActiveTab, setUploadOpen, setSearchParams])
-
   // ── 切换 Tab 时停止播放 ───────────────────────────────
   const handleTabChange = useCallback(
     (tab: VoiceTabKey) => {
@@ -219,14 +185,6 @@ const VoiceLibrary: React.FC = () => {
       >
         上传音频
       </Button>
-      <Button
-        buttonType="primary"
-        buttonSize="sm"
-        icon={<VideoCameraOutlined />}
-        onClick={() => setExtractOpen(true)}
-      >
-        提取视频配音
-      </Button>
       <Button
         buttonType="ghost"
         buttonSize="sm"
@@ -327,18 +285,7 @@ const VoiceLibrary: React.FC = () => {
         />
       )}
 
-      {/* ── 视频提取配音弹窗 ─────────────────────────────── */}
-      <VideoExtractModal
-        open={extractOpen}
-        file={extractFile}
-        progress={extractProgress}
-        isExtracting={isExtracting}
-        onClose={handleExtractClose}
-        onFileSelect={handleExtractFileSelect}
-        onExtract={handleExtract}
-      />
-
-      {/* ── 弹窗集合 ─────────────────────────────────── */}
+      {/* ── 弹窗集合 ──────────────────────────────────── */}
       <VoiceModals
         cloneModalOpen={cloneModalOpen}
         onCloneClose={() => setCloneModalOpen(false)}

apps/web/src/pages/voices/components/MaterialVoiceTab.tsx

@@ -136,9 +136,6 @@ export const MaterialVoiceTab: React.FC<MaterialVoiceTabProps> = ({
             const material = mapAssetToMaterial(asset)
             // duration 优先取顶层（后端从 metadata 提取），兜底 metadata
             const cardDuration = asset.duration || material.duration || 0
-            // AI 生成素材标识：兼容旧素材（无 source 字段但有 tts_job_id）
-            const meta = asset.metadata as Record<string, unknown>
-            const isAiMaterial = meta?.source === "tts_job" || !!meta?.tts_job_id
             const isPlaying = playingId === asset.id
             const isSelected = selectedIds.has(asset.id)
             // 播放中以 audio 真实时长为准，未播放显示卡片时长
@@ -185,11 +182,8 @@ export const MaterialVoiceTab: React.FC<MaterialVoiceTabProps> = ({
                 </div>
 
                 <div className="xx-voice-info vmat-info">
-                  <div className="xx-voice-name-row">
-                    <div className="xx-voice-name" title={asset.name}>
-                      {asset.name}
-                    </div>
-                    {isAiMaterial && <span className="vmat-ai-badge">AI</span>}
+                  <div className="xx-voice-name" title={asset.name}>
+                    {asset.name}
                   </div>
                   <div className="xx-voice-subtitle">
                     {asset.file_size ? `${formatFileSize(asset.file_size)}` : "--"}