fix: 修复AI配音标识被overflow:hidden裁剪不显示

- .xx-voice-name 有 overflow:hidden + text-overflow:ellipsis - AI badge 作为其子元素，在长标题时被父容器裁掉 - 将 badge 移到 .xx-voice-name-row flex 容器内（已有CSS定义） - name 单独包裹在 .xx-voice-name 内，badge 在其外部不受 overflow 影响
Merge pull request 'feat: 分片指纹存储改造 + 存量指纹重建脚本 #1657 ' (#1669 ) from feat/fingerprint-chunks-1657 into develop
2026-09-03 22:33:14 +08:00 · 2026-09-03 21:08:37 +08:00 · 2026-09-03 12:50:38 +00:00 · 2026-09-03 20:49:31 +08:00 · 2026-09-03 20:49:15 +08:00 · 2026-09-03 20:41:11 +08:00
34 changed files with 1945 additions and 79 deletions
@@ -1462,7 +1462,7 @@ jobs:
      - unit-tests
      - frontend-lint
      - frontend-unit-test
-    if: github.event_name == 'push' && !failure() && !cancelled()
+    if: github.event_name == 'push' && github.ref_name == 'main' && !failure() && !cancelled()
    strategy:
      fail-fast: false
      matrix:
@@ -1608,7 +1608,7 @@ jobs:
    concurrency:
      group: deploy-production-${{ gitea.ref }}
      cancel-in-progress: false
-    # if: removed - runs after build-production succeeds
+    if: github.event_name == 'push' && github.ref_name == 'main'
    needs:
    - build-production
    steps:
@@ -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: 3  # 长等待模式：等CI全绿后自动合并，不遗漏任何PR
+    timeout-minutes: 10  # 等待CI全绿+审批，需要充足时间
    steps:
      - name: Checkout code
        shell: sh
@@ -61,7 +61,8 @@ 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'
-    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
+    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
    steps:
      - name: Checkout code
        shell: sh
@@ -0,0 +1,46 @@
+"""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")
@@ -2,7 +2,9 @@

 from __future__ import annotations

+import json
 import logging
+import subprocess
 import tempfile
 from pathlib import Path
 from typing import Any, Optional
@@ -430,6 +432,8 @@ 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)
@@ -445,6 +449,23 @@ 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:
@@ -482,7 +503,7 @@ def save_tts_job_to_library(
        mime_type=content_type,
        metadata=metadata_,
        file_size=file_size,
-        duration=job.duration or None,
+        duration=job.duration or audio_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,
@@ -23,6 +23,7 @@ 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__)

@@ -80,6 +81,40 @@ 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,
@@ -209,6 +244,20 @@ 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,
@@ -216,7 +265,12 @@ 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, url=storage_service.get_url(normalized_key))
+    return DirectUploadCompleteResponse(
+        storage_key=normalized_key,
+        ingest_job_id=job.id,
+        asset_id=pending_asset.id,
+        url=storage_service.get_url(normalized_key),
+    )


@router.post(
@@ -284,6 +338,18 @@ 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,
@@ -295,5 +361,6 @@ async def upload_asset(
    return UploadAssetResponse(
        storage_key=storage_key,
        ingest_job_id=job.id,
+        asset_id=pending_asset.id,
        url=file_url,
    )
@@ -6,12 +6,26 @@
 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.dependencies import get_audio_url_signer, get_cosyvoice_service, get_db_session, get_user_repository
+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.schemas.voice import (
    PresetVoiceItemResponse,
    PresetVoiceListResponse,
@@ -24,7 +38,7 @@ from app.schemas.voice_library import (
    UpdateVoiceLibraryRequest,
    VoiceLibraryItemResponse,
 )
-from fastapi import APIRouter, Depends, HTTPException, Query, Response, status
+from fastapi import APIRouter, Depends, File, Form, HTTPException, Query, Response, UploadFile, status
 from sqlalchemy.orm import Session

 from packages.adapters.sqlalchemy_impl.voice_clone_profile_repository import SQLAlchemyVoiceCloneProfileRepository
@@ -40,8 +54,12 @@ 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__)
@@ -507,3 +525,243 @@ 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
@@ -234,6 +234,11 @@ class PlanGeneratorService:
                # 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)
+
        distribute_assets(
            clips,
            asset_ids,
@@ -0,0 +1,174 @@
+#!/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()
@@ -28,4 +28,5 @@ export {
  deleteTTSJob,
  getTtsVoices,
  previewTts,
+  extractVideoVoice,
 } from "./jobs"
@@ -70,3 +70,56 @@ 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)
+
+  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)
+  })
+}
@@ -297,7 +297,7 @@ const CloneModal: React.FC<CloneModalProps> = ({ open, onClose, onSuccess }) =>
                    buttonSize="sm"
                    onClick={() => {
                      handleClose()
-                      navigate("/app/voice-materials")
+                      navigate("/app/voices?tab=material&upload=1")
                    }}
                  >
                    去配音库上传
@@ -134,7 +134,7 @@ const Step5VoiceSelect: React.FC<Step5VoiceSelectProps> = ({

  /** 跳转到配音库上传 */
  const handleGoToUpload = useCallback(() => {
-    navigate("/app/voices")
+    navigate("/app/voices?tab=material&upload=1")
  }, [navigate])

  // 加载中状态
@@ -1,6 +1,11 @@
 import { useMemo, useEffect } from "react"
 import { useQuery, useMutation, useQueryClient } from "@tanstack/react-query"
-import { getAssetsByKind, getAssetLibraries, createAssetLibrary } from "@/api/assets"
+import {
+  getAssetsByKind,
+  getAssetLibraries,
+  createAssetLibrary,
+  type AssetItem,
+} from "@/api/assets"
 import { type VoiceMaterial, mapAssetToMaterial } from "../../types"

 interface UseVoiceMaterialDataOptions {
@@ -44,6 +49,15 @@ 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])
@@ -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: (meta.duration as number) || 0,
+    duration: asset.duration || (meta.duration as number) || 0,
    mimeType: asset.mime_type || "audio/mpeg",
    createdAt: asset.created_at || new Date().toISOString(),
    fileUrl: asset.file_url,
@@ -14,8 +14,14 @@
 * 弹窗集合 → components/VoiceModals
 * Toast 提示 → components/VoiceToasts
 */
-import React, { useCallback, useState } from "react"
-import { UploadOutlined, AudioOutlined, RobotOutlined } from "@ant-design/icons"
+import React, { useCallback, useEffect, useState } from "react"
+import { useSearchParams } from "react-router-dom"
+import {
+  UploadOutlined,
+  AudioOutlined,
+  RobotOutlined,
+  VideoCameraOutlined,
+} from "@ant-design/icons"
 import { Button } from "@/components/ui"
 import PageHead from "@/components/layout/PageHead"
 import { type AssetItem } from "@/api/assets"
@@ -34,6 +40,8 @@ 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
@@ -158,6 +166,32 @@ 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) => {
@@ -185,6 +219,14 @@ 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"
@@ -285,7 +327,18 @@ const VoiceLibrary: React.FC = () => {
        />
      )}

-      {/* ── 弹窗集合 ──────────────────────────────────── */}
+      {/* ── 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 ─────────────────────────────────── */}
      <VoiceModals
        cloneModalOpen={cloneModalOpen}
        onCloneClose={() => setCloneModalOpen(false)}
@@ -136,6 +136,9 @@ 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
@@ -182,8 +185,11 @@ export const MaterialVoiceTab: React.FC<MaterialVoiceTabProps> = ({
                </div>

                <div className="xx-voice-info vmat-info">
-                  <div className="xx-voice-name" title={asset.name}>
-                    {asset.name}
+                  <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>
                  <div className="xx-voice-subtitle">
                    {asset.file_size ? `${formatFileSize(asset.file_size)}` : "--"}
@@ -0,0 +1,207 @@
+import React, { useRef } from "react"
+import { Modal } from "antd"
+import { InboxOutlined, CloseOutlined } from "@ant-design/icons"
+
+interface VideoExtractModalProps {
+  open: boolean
+  file: File | null
+  progress: number | null
+  isExtracting: boolean
+  onClose: () => void
+  onFileSelect: (file: File | null) => void
+  onExtract: () => void
+}
+
+const ACCEPT_TYPES = ".mp4,.mov,.webm"
+
+const VideoExtractModal: React.FC<VideoExtractModalProps> = ({
+  open,
+  file,
+  progress,
+  isExtracting,
+  onClose,
+  onFileSelect,
+  onExtract,
+}) => {
+  const inputRef = useRef<HTMLInputElement>(null)
+
+  return (
+    <Modal
+      title={<span style={{ fontSize: 16, fontWeight: 600 }}>提取视频配音</span>}
+      open={open}
+      onCancel={() => {
+        if (isExtracting) return
+        onClose()
+      }}
+      footer={null}
+      width={480}
+      maskClosable={!isExtracting}
+    >
+      {!file ? (
+        <div
+          className="vmat-upload-dropzone"
+          onClick={() => inputRef.current?.click()}
+          style={{
+            border: "2px dashed #d9d9d9",
+            borderRadius: 8,
+            padding: "40px 20px",
+            textAlign: "center",
+            cursor: "pointer",
+            transition: "border-color 0.3s",
+          }}
+          onMouseEnter={(e) => (e.currentTarget.style.borderColor = "#7c3aed")}
+          onMouseLeave={(e) => (e.currentTarget.style.borderColor = "#d9d9d9")}
+        >
+          <InboxOutlined style={{ fontSize: 32, color: "#7c3aed", marginBottom: 12 }} />
+          <p style={{ margin: "0 0 8px", fontSize: 14, color: "#333" }}>点击选择视频文件</p>
+          <span style={{ fontSize: 12, color: "#999" }}>支持 MP4、MOV、WebM 格式</span>
+          <input
+            ref={inputRef}
+            type="file"
+            accept={ACCEPT_TYPES}
+            style={{ display: "none" }}
+            onChange={(e) => {
+              const f = e.target.files?.[0]
+              if (f) onFileSelect(f)
+            }}
+          />
+        </div>
+      ) : (
+        <div>
+          <div
+            style={{
+              display: "flex",
+              alignItems: "center",
+              justifyContent: "space-between",
+              padding: "12px 16px",
+              background: "#fafafa",
+              borderRadius: 8,
+              marginBottom: 16,
+            }}
+          >
+            <span
+              style={{
+                flex: 1,
+                overflow: "hidden",
+                textOverflow: "ellipsis",
+                whiteSpace: "nowrap",
+                fontSize: 14,
+                fontWeight: 500,
+              }}
+              title={file.name}
+            >
+              {file.name}
+            </span>
+            <span style={{ fontSize: 12, color: "#999", marginLeft: 8, flexShrink: 0 }}>
+              {(file.size / (1024 * 1024)).toFixed(1)} MB
+            </span>
+            {!isExtracting && (
+              <button
+                type="button"
+                onClick={() => {
+                  if (inputRef.current) inputRef.current.value = ""
+                  onFileSelect(null)
+                }}
+                style={{
+                  border: "none",
+                  background: "none",
+                  cursor: "pointer",
+                  color: "#999",
+                  marginLeft: 8,
+                  fontSize: 14,
+                }}
+                aria-label="移除文件"
+              >
+                <CloseOutlined />
+              </button>
+            )}
+          </div>
+
+          {progress !== null && (
+            <div style={{ marginBottom: 12 }}>
+              <div
+                style={{
+                  height: 6,
+                  background: "#f0f0f0",
+                  borderRadius: 3,
+                  overflow: "hidden",
+                }}
+              >
+                <div
+                  style={{
+                    height: "100%",
+                    width: `${progress}%`,
+                    background: "linear-gradient(90deg, #7c3aed, #a78bfa)",
+                    borderRadius: 3,
+                    transition: "width 0.3s",
+                  }}
+                />
+              </div>
+              <div
+                style={{
+                  textAlign: "right",
+                  fontSize: 12,
+                  color: "#999",
+                  marginTop: 4,
+                }}
+              >
+                {progress}%
+              </div>
+            </div>
+          )}
+
+          {isExtracting && (
+            <p style={{ textAlign: "center", fontSize: 13, color: "#7c3aed", margin: "12px 0 0" }}>
+              {progress === 100 ? "正在提取人声，请稍候..." : "正在上传视频..."}
+            </p>
+          )}
+        </div>
+      )}
+
+      <div
+        style={{
+          display: "flex",
+          justifyContent: "flex-end",
+          gap: 8,
+          marginTop: 24,
+        }}
+      >
+        <button
+          type="button"
+          onClick={onClose}
+          disabled={isExtracting}
+          style={{
+            padding: "6px 16px",
+            borderRadius: 6,
+            border: "1px solid #d9d9d9",
+            background: "#fff",
+            cursor: isExtracting ? "not-allowed" : "pointer",
+            fontSize: 14,
+            opacity: isExtracting ? 0.5 : 1,
+          }}
+        >
+          取消
+        </button>
+        <button
+          type="button"
+          onClick={onExtract}
+          disabled={!file || isExtracting}
+          style={{
+            padding: "6px 16px",
+            borderRadius: 6,
+            border: "none",
+            background: !file || isExtracting ? "#d9d9d9" : "#7c3aed",
+            color: "#fff",
+            cursor: !file || isExtracting ? "not-allowed" : "pointer",
+            fontSize: 14,
+            fontWeight: 500,
+          }}
+        >
+          {isExtracting ? "提取中..." : "开始提取"}
+        </button>
+      </div>
+    </Modal>
+  )
+}
+
+export default VideoExtractModal
@@ -0,0 +1,74 @@
+import { useState, useCallback } from "react"
+import { useQueryClient } from "@tanstack/react-query"
+import { extractVideoVoice } from "@/api/tts"
+
+/**
+ * 视频提取配音 Hook
+ * 封装视频上传弹窗状态、提取进度、提取 mutation 逻辑
+ */
+interface UseVideoExtractProps {
+  showToast: (message: string, type: "success" | "error") => void
+}
+
+export function useVideoExtract({ showToast }: UseVideoExtractProps) {
+  const queryClient = useQueryClient()
+
+  const [extractOpen, setExtractOpen] = useState(false)
+  const [extractFile, setExtractFile] = useState<File | null>(null)
+  const [extractProgress, setExtractProgress] = useState<number | null>(null)
+  const [isExtracting, setIsExtracting] = useState(false)
+
+  const handleExtractClose = useCallback(() => {
+    setExtractOpen(false)
+    setExtractFile(null)
+    setExtractProgress(null)
+    setIsExtracting(false)
+  }, [])
+
+  const handleExtract = useCallback(async () => {
+    if (!extractFile) return
+    setIsExtracting(true)
+    setExtractProgress(0)
+    try {
+      await extractVideoVoice(extractFile, (p) => setExtractProgress(p))
+      // 刷新素材列表
+      queryClient.invalidateQueries({ queryKey: ["assets", "voice"] })
+      queryClient.invalidateQueries({ queryKey: ["voice-materials"] })
+      showToast("视频配音提取成功", "success")
+      handleExtractClose()
+    } catch (err: unknown) {
+      const msg = err instanceof Error ? err.message : "提取失败，请重试"
+      showToast(msg, "error")
+    } finally {
+      setIsExtracting(false)
+      setExtractProgress(null)
+    }
+  }, [extractFile, queryClient, showToast, handleExtractClose])
+
+  const handleFileSelect = useCallback(
+    (file: File | null) => {
+      if (!file) {
+        setExtractFile(null)
+        return
+      }
+      const validTypes = ["video/mp4", "video/quicktime", "video/webm"]
+      if (!validTypes.includes(file.type)) {
+        showToast("仅支持 MP4、MOV、WebM 格式的视频文件", "error")
+        return
+      }
+      setExtractFile(file)
+    },
+    [showToast],
+  )
+
+  return {
+    extractOpen,
+    setExtractOpen,
+    extractFile,
+    extractProgress,
+    isExtracting,
+    handleFileSelect,
+    handleExtract,
+    handleExtractClose,
+  }
+}
@@ -193,6 +193,24 @@
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
+  display: flex;
+  align-items: center;
+}
+
+/* AI 配音标识 */
+.vmat-ai-badge {
+  display: inline-block;
+  margin-left: 6px;
+  padding: 1px 6px;
+  font-size: 11px;
+  font-weight: 600;
+  color: #7c3aed;
+  background: #f3f0ff;
+  border: 1px solid #ddd6fe;
+  border-radius: 4px;
+  line-height: 16px;
+  vertical-align: middle;
+  flex-shrink: 0;
 }

 .xx-voice-star {
@@ -4,8 +4,9 @@ import hashlib
 import logging
 import os
 import tempfile
-from dataclasses import dataclass
+from dataclasses import dataclass, field
 from typing import Optional
+from uuid import uuid4

 import cv2
 import numpy as np
@@ -15,10 +16,16 @@ from worker_app.celery_app import celery_app
 from worker_app.db import SessionLocal

 from packages.adapters.sqlalchemy_impl.generated_video_repository import SQLAlchemyGeneratedVideoRepository
+from packages.adapters.sqlalchemy_impl.models import VideoFingerprintChunkModel
 from packages.shared.storage import get_storage_service

 logger = logging.getLogger(__name__)

+# 分片策略常量
+SHORT_VIDEO_CHUNK_SEC = 2  # ≤60秒视频，每 2 秒一个分片
+LONG_VIDEO_CHUNK_SEC = 5  # >60秒视频，每 5 秒一个分片
+SHORT_VIDEO_THRESHOLD_SEC = 60
+

 def compute_phash(image: np.ndarray, hash_size: int = 8) -> str:
    """计算图像的感知哈希（pHash），基于 DCT（离散余弦变换）。
@@ -80,6 +87,28 @@ def compute_color_histogram(image: np.ndarray, bins: int = 32) -> list[float]:
    return hist


+def compute_chunk_interval(duration: float) -> float:
+    """根据视频时长返回分片间隔（秒）。
+
+    短视频（≤60秒）：每 2 秒一个分片
+    长视频（>60秒）：每 5 秒一个分片
+    """
+    if duration <= SHORT_VIDEO_THRESHOLD_SEC:
+        return SHORT_VIDEO_CHUNK_SEC
+    return LONG_VIDEO_CHUNK_SEC
+
+
+@dataclass
+class FingerprintChunk:
+    """单个分片指纹数据。"""
+
+    start_time_ms: int
+    end_time_ms: int
+    phash_binary: str
+    color_histogram: list[float]
+    frame_count: int = 1
+
+
@dataclass
 class VideoFingerprint:
    """Video fingerprint containing multiple similarity metrics."""
@@ -89,6 +118,7 @@ class VideoFingerprint:
    color_histograms: list[list[float]]
    duration: float
    resolution: tuple[int, int]
+    chunks: list[FingerprintChunk] = field(default_factory=list)

    def to_dict(self) -> dict:
        # 注意：color_histograms 里的值可能是 np.float32（来自 cv2.normalize），
@@ -101,8 +131,37 @@ class VideoFingerprint:
            "color_histograms": native_histograms,
            "duration": float(self.duration),
            "resolution": [int(self.resolution[0]), int(self.resolution[1])],
+            "chunks": [
+                {
+                    "start_time_ms": c.start_time_ms,
+                    "end_time_ms": c.end_time_ms,
+                    "phash_binary": c.phash_binary,
+                    "color_histogram": [float(v) for v in c.color_histogram],
+                    "frame_count": c.frame_count,
+                }
+                for c in self.chunks
+            ],
        }

+    def to_chunk_models(self, video_id: str, project_id: str, user_id: str = "") -> list[VideoFingerprintChunkModel]:
+        """将分片数据转为 SQLAlchemy Model 列表，用于批量写入 video_fingerprint_chunks 表。"""
+        models = []
+        for chunk in self.chunks:
+            models.append(
+                VideoFingerprintChunkModel(
+                    id=uuid4().hex,
+                    video_id=video_id,
+                    project_id=project_id,
+                    user_id=user_id,
+                    start_time_ms=chunk.start_time_ms,
+                    end_time_ms=chunk.end_time_ms,
+                    phash_binary=chunk.phash_binary,
+                    color_histogram=[float(v) for v in chunk.color_histogram],
+                    frame_count=chunk.frame_count,
+                )
+            )
+        return models
+

 class VideoDeduplicator:
    """Video deduplication using multiple fingerprint methods."""
@@ -111,7 +170,12 @@ class VideoDeduplicator:
    HISTOGRAM_THRESHOLD = 0.85

    def compute_fingerprint(self, video_path: str) -> VideoFingerprint:
-        """Compute video fingerprint using MD5, pHash, and color histogram."""
+        """Compute video fingerprint using MD5, pHash, and color histogram.
+
+        按时间分片抽帧：短视频（≤60s）每 2s 一片，长视频每 5s 一片。
+        每片取 1 帧计算 pHash + color_histogram。
+        同时保留 keyframe_phashes/color_histograms 聚合字段（向后兼容）。
+        """
        cap = cv2.VideoCapture(video_path)
        if not cap.isOpened():
            raise RuntimeError(f"Cannot open video: {video_path}")
@@ -123,42 +187,82 @@ class VideoDeduplicator:
        height = int(cap.get(cv2.CAP_PROP_FRAME_HEIGHT))

        md5_hash = hashlib.md5(usedforsecurity=False)
-        keyframe_phashes = []
-        color_histograms = []
+        chunks: list[FingerprintChunk] = []

-        frame_interval = max(1, frame_count // 10)
-        for i in range(0, frame_count, frame_interval):
-            cap.set(cv2.CAP_PROP_POS_FRAMES, i)
+        # 分片间隔（秒）
+        chunk_interval_sec = compute_chunk_interval(duration)
+        chunk_interval_ms = int(chunk_interval_sec * 1000)
+        duration_ms = int(duration * 1000)
+
+        # 遍历每个分片时间窗口，取 1 帧
+        start_ms = 0
+        while start_ms < duration_ms:
+            end_ms = min(start_ms + chunk_interval_ms, duration_ms)
+            # 定位到分片中点
+            seek_ms = (start_ms + end_ms) / 2
+            cap.set(cv2.CAP_PROP_POS_MSEC, seek_ms)
            ret, frame = cap.read()
-            if not ret:
-                continue
+            if ret:
+                # MD5 计算
+                _, buffer = cv2.imencode(".jpg", frame)
+                md5_hash.update(buffer)

-            _, buffer = cv2.imencode(".jpg", frame)
-            md5_hash.update(buffer)
+                phash = compute_phash(frame)
+                hist = compute_color_histogram(frame)

-            keyframe_phashes.append(compute_phash(frame))
-            color_histograms.append(compute_color_histogram(frame))
+                chunks.append(
+                    FingerprintChunk(
+                        start_time_ms=start_ms,
+                        end_time_ms=end_ms,
+                        phash_binary=phash,
+                        color_histogram=hist,
+                        frame_count=1,
+                    )
+                )
+
+            start_ms = end_ms

        cap.release()

+        # 向后兼容：聚合 keyframe_phashes / color_histograms
+        keyframe_phashes = [c.phash_binary for c in chunks]
+        color_histograms = [c.color_histogram for c in chunks]
+
        return VideoFingerprint(
            md5=md5_hash.hexdigest(),
            keyframe_phashes=keyframe_phashes,
            color_histograms=color_histograms,
            duration=duration,
            resolution=(width, height),
+            chunks=chunks,
        )

+    def _get_existing_chunks(self, video_id: str, session: Session) -> list[dict]:
+        """从 video_fingerprint_chunks 表读取分片数据。返回空列表表示无分片数据。"""
+        rows = (
+            session.query(VideoFingerprintChunkModel)
+            .filter(VideoFingerprintChunkModel.video_id == video_id)
+            .order_by(VideoFingerprintChunkModel.start_time_ms)
+            .all()
+        )
+        return [
+            {
+                "phash_binary": r.phash_binary,
+                "color_histogram": r.color_histogram,
+                "start_time_ms": r.start_time_ms,
+                "end_time_ms": r.end_time_ms,
+            }
+            for r in rows
+        ]
+
    def check_duplicate(self, fingerprint: VideoFingerprint, project_id: str, session: Session) -> Optional[dict]:
        """检查视频是否与项目中已有视频重复。

-        判定逻辑（按优先级）：
-        1. MD5 精确匹配：完全一致则 similarity=1.0，立即返回
-        2. pHash 相似度：计算新视频每帧 phash 与已有视频每帧 phash 的最小汉明距离，
-           取所有帧的平均值 avg_distance。若 avg_distance < PHASH_THRESHOLD(10)，
-           则判定为重复，similarity = 1.0 - (avg_distance / 64)
+        查重逻辑：
+        1. MD5 精确匹配 → similarity=1.0
+        2. pHash 相似度（优先从分片表读取，回退到 JSON 字段）

-        注意：返回第一个通过阈值的匹配（非最优匹配）。
+        判定阈值：avg_distance < PHASH_THRESHOLD(10)

        Args:
            fingerprint: 待检测视频的指纹
@@ -182,8 +286,15 @@ class VideoDeduplicator:
            if fingerprint.md5 == ef.get("md5"):
                return {"duplicate": True, "duplicate_of": existing.id, "reason": "exact_md5_match", "similarity": 1.0}

-            # 感知哈希相似度
-            existing_phashes = ef.get("keyframe_phashes", [])
+            # 优先从分片表读取已有视频的分片 phash
+            existing_phashes = []
+            chunk_data = self._get_existing_chunks(existing.id, session)
+            if chunk_data:
+                existing_phashes = [c["phash_binary"] for c in chunk_data]
+            else:
+                # 回退：从 JSON 字段读取（存量旧视频）
+                existing_phashes = ef.get("keyframe_phashes", [])
+
            if not existing_phashes:
                continue

@@ -247,7 +358,14 @@ class VideoDeduplicator:
                    "similarity": 1.0,
                }

-            existing_phashes = ef.get("keyframe_phashes", [])
+            # 优先从分片表读取
+            existing_phashes = []
+            chunk_data = self._get_existing_chunks(existing.id, session)
+            if chunk_data:
+                existing_phashes = [c["phash_binary"] for c in chunk_data]
+            else:
+                existing_phashes = ef.get("keyframe_phashes", [])
+
            if not existing_phashes:
                continue

@@ -372,8 +490,14 @@ class VideoDeduplicator:
            if fingerprint.md5 == ef.get("md5"):
                return 100.0

-            # pHash 相似度
-            existing_phashes = ef.get("keyframe_phashes", [])
+            # 优先从分片表读取
+            existing_phashes = []
+            chunk_data = self._get_existing_chunks(existing.id, session)
+            if chunk_data:
+                existing_phashes = [c["phash_binary"] for c in chunk_data]
+            else:
+                existing_phashes = ef.get("keyframe_phashes", [])
+
            if not existing_phashes or not fingerprint.keyframe_phashes:
                continue

@@ -388,6 +512,31 @@ class VideoDeduplicator:
        return round(max(max_similarity, 0.0), 2)


+def _save_fingerprint_chunks(
+    fingerprint: VideoFingerprint,
+    video_id: str,
+    project_id: str,
+    user_id: str,
+    session: Session,
+) -> None:
+    """将指纹分片数据批量写入 video_fingerprint_chunks 表。幂等：已有数据时跳过。"""
+    # 幂等检查：已有分片数据则跳过
+    existing_count = (
+        session.query(VideoFingerprintChunkModel).filter(VideoFingerprintChunkModel.video_id == video_id).count()
+    )
+    if existing_count > 0:
+        logger.debug("Fingerprint chunks already exist for video %s (%d chunks), skipping", video_id, existing_count)
+        return
+
+    if not fingerprint.chunks:
+        logger.warning("No chunks in fingerprint for video %s, skipping chunk save", video_id)
+        return
+
+    chunk_models = fingerprint.to_chunk_models(video_id, project_id, user_id)
+    session.bulk_save_objects(chunk_models)
+    logger.info("Saved %d fingerprint chunks for video %s", len(chunk_models), video_id)
+
+
@celery_app.task(bind=True, max_retries=3, name="worker.check_duplicate")
 def check_duplicate_task(self: Task, generated_video_id: str) -> dict:
    """Celery task to check if generated video is a duplicate."""
@@ -421,6 +570,10 @@ def check_duplicate_task(self: Task, generated_video_id: str) -> dict:
            video.duplicate_of = None

        video_repo.update(video)
+
+        # 写入分片表
+        _save_fingerprint_chunks(fingerprint, generated_video_id, video.project_id, video.user_id, session)
+
        session.commit()

        logger.info(f"Duplicate check completed for video {generated_video_id}: is_duplicate={video.is_duplicate}")
@@ -100,6 +100,14 @@ def create_video_record_and_dedup(

        generated_video.video_fingerprint = fingerprint.to_dict()

+        # 写入分片指纹表
+        from video_processing.dedup import _save_fingerprint_chunks
+
+        try:
+            _save_fingerprint_chunks(fingerprint, video_id, project_id, user_id, session)
+        except Exception as chunk_err:
+            logger.warning("Failed to save fingerprint chunks for %s: %s", video_id, chunk_err)
+
        # (a) 历史成片查重
        duplicate_result = deduplicator.check_duplicate(fingerprint, project_id, session)

@@ -630,7 +630,7 @@ def ingest_asset(job_id: str) -> dict:
                name=filename,
                storage_key=job.storage_key,
                mime_type=mime_type,
-                metadata={"ingest_error": error_reason},
+                metadata={"source": "upload", "ingest_error": error_reason},
                file_size=int(metadata.get("size_bytes", 0)),
                duration=float(metadata.get("duration", 0)),
                width=int(metadata.get("width", 0)),
@@ -656,24 +656,57 @@ def ingest_asset(job_id: str) -> dict:
                "error": error_reason,
            }

-        # Create Asset
-        asset = Asset.create(
-            project_id=job.project_id,
-            library_id=job.library_id,
-            name=filename,
-            storage_key=job.storage_key,
-            mime_type=mime_type,
-            metadata=metadata,
-            file_size=int(metadata.get("size_bytes", 0)),
-            duration=float(metadata.get("duration", 0)),
-            width=int(metadata.get("width", 0)),
-            height=int(metadata.get("height", 0)),
-            codec=metadata.get("codec") or None,
-            status=AssetStatus.READY,
-            file_hash=job.file_hash,
-            thumbnail_url=thumbnail_url,
-        )
-        asset_repo.create(asset)
+        # 查找已存在的 Asset 记录（由 API 端在上传完成时立即创建为 PROCESSING 状态）
+        existing_asset = None
+        try:
+            existing_asset = asset_repo.find_by_storage_key(job.storage_key)
+        except Exception:
+            logger.warning("find_by_storage_key not available, trying fallback lookup")
+
+        if existing_asset is None:
+            # 兜底：如果 API 端没有预先创建 Asset（旧版本兼容），则创建新记录
+            logger.info("No pre-created asset found for storage_key=%s, creating new", job.storage_key)
+            metadata["source"] = "upload"
+            asset = Asset.create(
+                project_id=job.project_id,
+                library_id=job.library_id,
+                name=filename,
+                storage_key=job.storage_key,
+                mime_type=mime_type,
+                metadata=metadata,
+                file_size=int(metadata.get("size_bytes", 0)),
+                duration=float(metadata.get("duration", 0)),
+                width=int(metadata.get("width", 0)),
+                height=int(metadata.get("height", 0)),
+                codec=metadata.get("codec") or None,
+                status=AssetStatus.READY,
+                file_hash=job.file_hash,
+                thumbnail_url=thumbnail_url,
+            )
+            asset_repo.create(asset)
+        else:
+            # 更新已有的 Asset 记录，补充元数据并将状态改为 READY
+            asset = existing_asset
+            asset.mime_type = mime_type
+            metadata["source"] = "upload"
+            asset.metadata = metadata
+            asset.file_size = int(metadata.get("size_bytes", 0))
+            asset.duration = float(metadata.get("duration", 0))
+            asset.width = int(metadata.get("width", 0))
+            asset.height = int(metadata.get("height", 0))
+            codec_val = metadata.get("codec")
+            if codec_val:
+                asset.codec = str(codec_val)
+            fps_val = metadata.get("fps")
+            if fps_val:
+                try:
+                    asset.fps = float(fps_val)
+                except (ValueError, TypeError):
+                    pass
+            asset.status = AssetStatus.READY
+            asset.thumbnail_url = thumbnail_url
+            asset.updated_at = datetime.now(timezone.utc)
+            asset_repo.update(asset)

        # Update job status to COMPLETED
        job.status = IngestJobStatus.COMPLETED
@@ -692,15 +725,37 @@ def ingest_asset(job_id: str) -> dict:
        db.rollback()
        logger.error(f"Failed to ingest asset {job_id}: {e}")

-        # Update job status to FAILED
+        # Update job status to FAILED and mark pre-created Asset as ERROR
        try:
            job_repo = SQLAlchemyIngestJobRepository(db)
+            asset_repo = SQLAlchemyAssetRepository(db)
            job = job_repo.get(job_id)
            if job:
                job.status = IngestJobStatus.FAILED
                job.error_message = str(e)
                job.updated_at = datetime.now(timezone.utc)
                job_repo.update(job)
+
+                # 将上传时创建的占位 Asset（PROCESSING/UPLOADING）标记为 ERROR，
+                # 避免素材永远卡在中间状态
+                try:
+                    existing = asset_repo.find_by_storage_key(job.storage_key)
+                    if existing and existing.status in (
+                        AssetStatus.PROCESSING,
+                        AssetStatus.UPLOADING,
+                    ):
+                        existing.status = AssetStatus.ERROR
+                        existing.metadata = {**(existing.metadata or {}), "ingest_error": str(e)}
+                        existing.updated_at = datetime.now(timezone.utc)
+                        asset_repo.update(existing)
+                        logger.info(
+                            "Marked asset as ERROR due to ingest failure: asset_id=%s job_id=%s",
+                            existing.id,
+                            job_id,
+                        )
+                except Exception as asset_err:
+                    logger.warning("Failed to mark asset as ERROR: %s", asset_err)
+
                db.commit()
        except Exception:
            db.rollback()
@@ -175,9 +175,14 @@ services:
      - xiaoxia-net
    
    # =========================================
-    # 重要: 生产环境不要添加任何 volume 挂载到 /usr/share/nginx/html
-    # 这会导致静态文件被覆盖，返回 403 错误
+    # Nginx 配置运行时覆盖
+    # 确保容器使用正确环境的 nginx 配置，即使镜像构建时使用了默认配置
+    # 注意: 只覆盖 /etc/nginx/conf.d/default.conf，不挂载 /usr/share/nginx/html
    # =========================================
+    environment:
+      - NGINX_ENV=${ENV:-staging}
+    volumes:
+      - ./nginx-${ENV:-staging}.conf:/etc/nginx/conf.d/default.conf:ro
    
    healthcheck:
      test: ["CMD", "wget", "--spider", "-q", "http://127.0.0.1:80"]
@@ -127,6 +127,13 @@ class InMemoryAssetRepository:
        items = [a for a in self._assets.values() if tag_set.issubset(set(a.tag_ids))]
        return items[skip : skip + limit]

+    def find_by_storage_key(self, storage_key: str) -> Asset | None:
+        """按 storage_key 查找素材。"""
+        for asset in self._assets.values():
+            if asset.storage_key == storage_key:
+                return asset
+        return None
+
    def find_by_library_and_file_hash(
        self,
        library_id: str,
@@ -426,6 +426,13 @@ class SQLAlchemyAssetRepository:
        models = self.session.query(AssetModel).filter(AssetModel.id.in_(ids)).offset(skip).limit(limit).all()
        return [self._to_domain(m) for m in models]

+    def find_by_storage_key(self, storage_key: str) -> Asset | None:
+        """按 storage_key（对应 DB 中的 file_url）查找素材。"""
+        model = self.session.query(AssetModel).filter(AssetModel.file_url == storage_key).first()
+        if model is None:
+            return None
+        return self._to_domain(model)
+
    def find_by_library_and_file_hash(
        self,
        library_id: str,
@@ -620,3 +620,20 @@ class CoverTemplateModel(Base):
    config = Column(JSON, nullable=False, default=dict)
    created_at = Column(DateTime(timezone=True), nullable=False, default=lambda: datetime.now(timezone.utc))
    updated_at = Column(DateTime(timezone=True), nullable=False, default=lambda: datetime.now(timezone.utc))
+
+
+class VideoFingerprintChunkModel(Base):
+    """分片视频指纹 — 每个视频按时间分片存储 pHash + color_histogram."""
+
+    __tablename__ = "video_fingerprint_chunks"
+
+    id = Column(String(36), primary_key=True)
+    video_id = Column(String(36), nullable=False, index=True)
+    project_id = Column(String(36), nullable=False, index=True)
+    user_id = Column(String(36), nullable=False, index=True, default="")
+    start_time_ms = Column(Integer, nullable=False)
+    end_time_ms = Column(Integer, nullable=False)
+    phash_binary = Column(String(16), nullable=False)
+    color_histogram = Column(JSON, nullable=False)
+    frame_count = Column(Integer, nullable=False, default=1)
+    created_at = Column(DateTime, nullable=False, default=lambda: datetime.now(timezone.utc))
@@ -112,6 +112,11 @@ class AssetRepository(ABC):
        """查找包含所有指定标签的素材。"""
        pass

+    @abstractmethod
+    def find_by_storage_key(self, storage_key: str) -> Asset | None:
+        """按 storage_key 查找素材（用于异步处理时更新已创建的记录）。"""
+        pass
+
    @abstractmethod
    def find_by_library_and_file_hash(
        self,
@@ -32,9 +32,9 @@ CONTEXTS=(
 echo "检查CI Gate统一门禁"
 echo

-# 等待60秒，给CI启动写status的时间
-echo "等待60秒让CI启动..."
-sleep 60
+# 等待30秒后开始轮询，最多10分钟
+echo "等待30秒让CI启动..."
+sleep 30

 # 405计数器（单次运行内重试）
 MERGE_405_COUNT=0
@@ -72,9 +72,9 @@ check_and_merge() {
  # CI未全绿（pending中）→ 退出，等下次触发
  if [ "$ALL_SUCCESS" != "true" ]; then
    echo
-    echo "⏳ CI尚未全绿（仍有pending），退出等待下次触发"
-    echo "   （pr-auto-scan每5分钟扫描一次，CI通过后会自动合并）"
-    exit 0
+    echo "⏳ CI尚未全绿（仍有pending），等待重试..."
+    echo "   （当前第${attempt}次轮询，最多${MAX_ATTEMPTS}次）"
+    return 1
  fi

  # CI全绿 → 合并
@@ -136,13 +136,28 @@ check_and_merge() {
  fi
 }

-# 最多重试3次（用于405重试，非CI轮询）
-for i in 1 2 3; do
+# 轮询等待CI就绪+审批完成，最多10分钟（60次x10秒）
+MAX_ATTEMPTS=60
+for attempt in $(seq 1 $MAX_ATTEMPTS); do
  if check_and_merge; then
    exit 0
  fi
+  
+  # 检查PR是否还open（可能已被手动合并或关闭）
+  PR_STATE=$(curl -s -H "Authorization: token ${MERGE_TOKEN}" \
+    "${GITHUB_API_URL}/repos/${GITHUB_REPOSITORY}/pulls/${PR_NUMBER}" \
+    | python3 -c "import sys,json; print(json.load(sys.stdin).get('state',''))" 2>/dev/null || echo "?")
+  
+  if [ "$PR_STATE" != "open" ]; then
+    echo "PR状态为 ${PR_STATE}，无需继续等待"
+    exit 0
+  fi
+  
+  if [ $attempt -lt $MAX_ATTEMPTS ]; then
+    sleep 10
+  fi
 done

 echo
-echo "本次检查未满足合并条件，退出。pr-auto-scan每5分钟会继续扫描。"
+echo "⏰ 等待10分钟后仍未满足合并条件，退出。pr-auto-scan定时扫描会继续重试。"
 exit 0
@@ -59,6 +59,7 @@ REGISTRY_TOKEN="${ACR_PASSWORD:-${REGISTRY_TOKEN:-}}"
 ENV_FILE="${ENV_FILE:-/var/lib/xiaoxia-saas-production/.env}"
 GENERATED_DIR="${GENERATED_DIR:-/var/lib/xiaoxia-saas-production/generated}"
 LEGACY_ASSETS_DIR="${LEGACY_ASSETS_DIR:-/var/lib/xiaoxia-saas-production/legacy-assets}"
+NGINX_CONF_FILE="${NGINX_CONF_FILE:-/var/lib/xiaoxia-saas-production/nginx-production.conf}"

 SKIP_MIGRATION="${SKIP_MIGRATION:-false}"
 SKIP_ROLLBACK="${SKIP_ROLLBACK:-false}"
@@ -72,6 +73,52 @@ test -f "$ENV_FILE"
 mkdir -p "$GENERATED_DIR"
 mkdir -p "$LEGACY_ASSETS_DIR"

+# ── 写入 Production Nginx 配置 ──
+echo "Writing production nginx config..."
+cat > "$NGINX_CONF_FILE" << 'NGINX_EOF'
+server {
+    listen 80;
+    server_name _;
+    root /usr/share/nginx/html;
+    index index.html;
+
+    gzip on;
+    gzip_vary on;
+    gzip_min_length 1024;
+    gzip_types text/plain text/css text/xml text/javascript application/javascript application/json application/xml+rss;
+
+    client_max_body_size 800m;
+
+    location / {
+        try_files $uri /index.html;
+    }
+
+    resolver 127.0.0.11 valid=10s;
+    resolver_timeout 5s;
+
+    location /api/ {
+        proxy_pass http://xiaoxia-api-production:8000/api/;
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto $scheme;
+        proxy_read_timeout 300s;
+        proxy_send_timeout 300s;
+        proxy_request_buffering off;
+    }
+
+    location /generated-files/ {
+        alias /app/generated/;
+    }
+
+    location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|woff|woff2|ttf|eot)$ {
+        expires 1y;
+        add_header Cache-Control "public, immutable";
+    }
+}
+NGINX_EOF
+echo "✅ Nginx config written: $NGINX_CONF_FILE"
+
 echo "==========================================="
 echo "  Production 部署 - $IMAGE_TAG"
 echo "==========================================="
@@ -188,6 +235,7 @@ rollback() {
  --cpus 0.5 \
  --memory 512m \
      $LEGACY_VOLUME \
+      -v "$NGINX_CONF_FILE:/etc/nginx/conf.d/default.conf:ro" \
      --health-cmd "wget --spider -q http://127.0.0.1:80" \
      --health-interval 30s \
      --health-timeout 5s \
@@ -385,6 +433,7 @@ docker run -d \
  --restart unless-stopped \
  --cpus 0.5 \
  --memory 512m \
+  -v "$NGINX_CONF_FILE:/etc/nginx/conf.d/default.conf:ro" \
  $LEGACY_VOLUME \
  --health-cmd "wget --spider -q http://127.0.0.1:80" \
  --health-interval 30s \
@@ -12,7 +12,7 @@
 # 环境变量:
 #   PROD_API_URL          - Production API 公网地址 (默认 https://api.xiaoxiajianji.com)
 #   PROD_WEB_URL          - Production Web 公网地址 (默认 https://saas.xiaoxiajianji.com)
-#   HEALTH_CHECK_TIMEOUT  - 健康检查总超时秒数 (默认 180)
+#   HEALTH_CHECK_TIMEOUT  - 健康检查总超时秒数 (默认 300)
 #   SKIP_ROLLBACK         - 失败时不自动回滚 (true/false, 默认 false)
 #   SKIP_NOTIFY           - 跳过通知 (true/false, 默认 false)
 #   CI_NOTIFY_WEBHOOK     - 通知 Webhook URL
@@ -36,7 +36,7 @@ SCRIPT_DIR="$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)"
 # 配置
 PROD_API_URL="${PROD_API_URL:-https://api.xiaoxiajianji.com}"
 PROD_WEB_URL="${PROD_WEB_URL:-https://saas.xiaoxiajianji.com}"
-HEALTH_CHECK_TIMEOUT="${HEALTH_CHECK_TIMEOUT:-180}"
+HEALTH_CHECK_TIMEOUT="${HEALTH_CHECK_TIMEOUT:-300}"
 SKIP_ROLLBACK="${SKIP_ROLLBACK:-false}"
 SKIP_NOTIFY="${SKIP_NOTIFY:-false}"

@@ -44,7 +44,7 @@ PRODUCTION_SSH_HOST="${PRODUCTION_SSH_HOST:-47.98.113.167}"
 PRODUCTION_SSH_USER="${PRODUCTION_SSH_USER:-root}"
 PRODUCTION_SSH_PORT="${PRODUCTION_SSH_PORT:-22222}"

-REGISTRY="${REGISTRY:-git.xiaoxiajianji.com/xiaoxia/xiaoxia-saas}"
+REGISTRY="${REGISTRY:-xiaoxia-registry.cn-hangzhou.cr.aliyuncs.com/xiaoxiakeji}"
 REGISTRY_USER="${REGISTRY_USER:-xiaoxia}"

 # 颜色
@@ -160,11 +160,11 @@ health_check() {
            web_ok=true
        fi

-        # 检查 API docs
+        # 检查 API docs（生产环境禁用 /docs，404 表示 API 在正常响应，视为健康）
        if [ "$api_docs_ok" = false ]; then
            HTTP_CODE=$(curl -s -o /dev/null -w "%{http_code}" --max-time 10 "${PROD_API_URL}/docs" 2>/dev/null || echo "000")
-            if [ "$HTTP_CODE" = "200" ]; then
-                log_info "✅ API Docs 检查通过"
+            if [ "$HTTP_CODE" = "200" ] || [ "$HTTP_CODE" = "404" ]; then
+                log_info "✅ API Docs 检查通过（HTTP $HTTP_CODE）"
                api_docs_ok=true
            fi
        fi
@@ -232,7 +232,7 @@ set -eu

 IMAGE_TAG="$1"
 REGISTRY_TOKEN="$2"
-REGISTRY="${REGISTRY:-git.xiaoxiajianji.com/xiaoxia/xiaoxia-saas}"
+REGISTRY="${REGISTRY:-xiaoxia-registry.cn-hangzhou.cr.aliyuncs.com/xiaoxiakeji}"
 REGISTRY_USER="${REGISTRY_USER:-xiaoxia}"

 ENV_FILE="${ENV_FILE:-/var/lib/xiaoxia-saas-production/.env}"
@@ -46,6 +46,7 @@ REGISTRY_TOKEN="${ACR_PASSWORD:-${REGISTRY_TOKEN:-}}"
 ENV_FILE="${ENV_FILE:-/var/lib/xiaoxia-saas-staging/.env}"
 GENERATED_DIR="${GENERATED_DIR:-/var/lib/xiaoxia-saas-staging/generated}"
 LEGACY_ASSETS_DIR="${LEGACY_ASSETS_DIR:-/var/lib/xiaoxia-saas-staging/legacy-assets}"
+NGINX_CONF_FILE="${NGINX_CONF_FILE:-/var/lib/xiaoxia-saas-staging/nginx-staging.conf}"

 SKIP_MIGRATION="${SKIP_MIGRATION:-false}"
 SKIP_ROLLBACK="${SKIP_ROLLBACK:-false}"
@@ -65,6 +66,53 @@ echo "✅ .env file found: $ENV_FILE ($(wc -l < "$ENV_FILE") lines)"
 mkdir -p "$GENERATED_DIR"
 mkdir -p "$LEGACY_ASSETS_DIR"

+# ── 写入 Staging Nginx 配置 ──
+# 运行时覆盖 nginx 配置，确保 upstream 指向正确的 staging 网络
+echo "Writing staging nginx config..."
+cat > "$NGINX_CONF_FILE" << 'NGINX_EOF'
+server {
+    listen 80;
+    server_name _;
+    root /usr/share/nginx/html;
+    index index.html;
+
+    gzip on;
+    gzip_vary on;
+    gzip_min_length 1024;
+    gzip_types text/plain text/css text/xml text/javascript application/javascript application/json application/xml+rss;
+
+    client_max_body_size 800m;
+
+    location / {
+        try_files $uri /index.html;
+    }
+
+    resolver 127.0.0.11 valid=10s;
+    resolver_timeout 5s;
+
+    location /api/ {
+        proxy_pass http://xiaoxia-api-staging:8000/api/;
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto $scheme;
+        proxy_read_timeout 300s;
+        proxy_send_timeout 300s;
+        proxy_request_buffering off;
+    }
+
+    location /generated-files/ {
+        alias /app/generated/;
+    }
+
+    location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|woff|woff2|ttf|eot)$ {
+        expires 1y;
+        add_header Cache-Control "public, immutable";
+    }
+}
+NGINX_EOF
+echo "✅ Nginx config written: $NGINX_CONF_FILE"
+
 echo "==========================================="
 echo "  Staging 部署 - $IMAGE_TAG (并行优化版)"
 echo "==========================================="
@@ -165,6 +213,7 @@ rollback() {
      -p 127.0.0.1:3001:80 \
      --restart unless-stopped \
      $LEGACY_VOLUME \
+      -v "$NGINX_CONF_FILE:/etc/nginx/conf.d/default.conf:ro" \
      --health-cmd "wget --spider -q http://127.0.0.1:80" \
      --health-interval 30s \
      --health-timeout 5s \
@@ -467,6 +516,7 @@ docker run -d \
  -p 127.0.0.1:3001:80 \
  --restart unless-stopped \
  $LEGACY_VOLUME \
+  -v "$NGINX_CONF_FILE:/etc/nginx/conf.d/default.conf:ro" \
  --health-cmd "wget --spider -q http://127.0.0.1:80" \
  --health-interval 30s \
  --health-timeout 5s \
@@ -0,0 +1,313 @@
+"""分片指纹存储单元测试 — Issue #1657.
+
+覆盖：
+- 分片策略：60秒视频 → 30片，120秒视频 → 24片
+- VideoFingerprint.to_chunk_models() 输出正确
+- _save_fingerprint_chunks 幂等性（已有数据跳过）
+- to_dict() 向后兼容
+"""
+
+from __future__ import annotations
+
+import sys
+from unittest.mock import MagicMock
+
+
+def _mock_module(**attrs):
+    """Create a mock module with __spec__ to avoid AttributeError."""
+    m = MagicMock()
+    m.__spec__ = None
+    for k, v in attrs.items():
+        setattr(m, k, v)
+    return m
+
+
+# ── Module-level setup: mock deps, import dedup, then restore sys.modules ──
+_SAVED_MODULES_KEYS = set(sys.modules.keys())
+_SAVED_MODULES_VALUES = {
+    k: sys.modules.get(k)
+    for k in [
+        "cv2",
+        "celery",
+        "sqlalchemy",
+        "sqlalchemy.orm",
+        "sqlalchemy.engine",
+        "sqlalchemy.ext",
+        "sqlalchemy.ext.declarative",
+        "worker_app.db",
+        "worker_app.celery_app",
+        "worker_app.core.config",
+        "packages.adapters.sqlalchemy_impl.session",
+        "packages.adapters.sqlalchemy_impl.generated_video_repository",
+        "packages.adapters.sqlalchemy_impl.models",
+        "packages.shared.config",
+        "packages.shared.storage",
+    ]
+}
+
+# Set up mocks
+sys.modules["cv2"] = _mock_module()
+
+_mock_celery = MagicMock()
+_mock_celery.Task = MagicMock
+_mock_celery.Celery = MagicMock
+_mock_celery.__spec__ = None
+sys.modules["celery"] = _mock_celery
+
+_mock_sqla = MagicMock()
+_mock_sqla.__path__ = []
+_mock_sqla.__spec__ = None
+sys.modules["sqlalchemy"] = _mock_sqla
+
+_mock_sqla_orm = MagicMock()
+_mock_sqla_orm.__path__ = []
+_mock_sqla_orm.__spec__ = None
+_mock_sqla_orm.Session = MagicMock
+sys.modules["sqlalchemy.orm"] = _mock_sqla_orm
+sys.modules["sqlalchemy.engine"] = _mock_module()
+sys.modules["sqlalchemy.ext"] = _mock_module()
+sys.modules["sqlalchemy.ext.declarative"] = _mock_module()
+
+sys.modules["worker_app.db"] = _mock_module(SessionLocal=MagicMock())
+sys.modules["worker_app.celery_app"] = _mock_module(celery_app=MagicMock())
+sys.modules["worker_app.core.config"] = _mock_module(get_settings=MagicMock(return_value=MagicMock()))
+
+sys.modules["packages.adapters.sqlalchemy_impl.session"] = _mock_module(
+    Base=MagicMock(),
+    build_engine=MagicMock(),
+    build_session_factory=MagicMock(),
+    ensure_database_exists=MagicMock(),
+    initialize_database=MagicMock(),
+)
+sys.modules["packages.adapters.sqlalchemy_impl.generated_video_repository"] = _mock_module()
+
+
+# Mock VideoFingerprintChunkModel with class-level column attributes
+class _FakeChunkModel:
+    video_id = MagicMock()
+    project_id = MagicMock()
+    user_id = MagicMock()
+    start_time_ms = MagicMock()
+    end_time_ms = MagicMock()
+    phash_binary = MagicMock()
+    color_histogram = MagicMock()
+    frame_count = MagicMock()
+    created_at = MagicMock()
+
+    def __init__(self, **kwargs):
+        for k, v in kwargs.items():
+            setattr(self, k, v)
+
+
+sys.modules["packages.adapters.sqlalchemy_impl.models"] = _mock_module(
+    VideoFingerprintChunkModel=_FakeChunkModel,
+)
+sys.modules["packages.shared.config"] = _mock_module(get_shared_settings=MagicMock(return_value=MagicMock()))
+sys.modules["packages.shared.storage"] = _mock_module()
+
+# Import dedup while mocks are active
+from video_processing.dedup import (  # noqa: E402
+    FingerprintChunk,
+    VideoFingerprint,
+    _save_fingerprint_chunks,
+    compute_chunk_interval,
+)
+
+# ── Restore sys.modules immediately after import ──
+for _key in list(sys.modules.keys()):
+    if _key not in _SAVED_MODULES_KEYS:
+        del sys.modules[_key]
+for _key, _value in _SAVED_MODULES_VALUES.items():
+    if _value is not None:
+        sys.modules[_key] = _value
+    elif _key in sys.modules:
+        del sys.modules[_key]
+del _SAVED_MODULES_KEYS, _SAVED_MODULES_VALUES, _key, _value
+
+
+class TestChunkInterval:
+    """测试分片间隔策略。"""
+
+    def test_short_video_interval(self):
+        """短视频（≤60秒）每 2 秒一个分片。"""
+        assert compute_chunk_interval(0) == 2
+        assert compute_chunk_interval(30) == 2
+        assert compute_chunk_interval(60) == 2
+
+    def test_long_video_interval(self):
+        """长视频（>60秒）每 5 秒一个分片。"""
+        assert compute_chunk_interval(61) == 5
+        assert compute_chunk_interval(120) == 5
+        assert compute_chunk_interval(300) == 5
+
+    def test_chunk_count_60s_video(self):
+        """60秒视频 → 30 片（60/2=30）。"""
+        duration = 60
+        interval = compute_chunk_interval(duration)
+        expected_chunks = int(duration / interval)
+        assert expected_chunks == 30
+
+    def test_chunk_count_120s_video(self):
+        """120秒视频 → 24 片（120/5=24）。"""
+        duration = 120
+        interval = compute_chunk_interval(duration)
+        expected_chunks = int(duration / interval)
+        assert expected_chunks == 24
+
+
+class TestVideoFingerprintToChunkModels:
+    """测试 VideoFingerprint.to_chunk_models() 输出。"""
+
+    def test_to_chunk_models_output(self):
+        """to_chunk_models 返回正确的 Model 列表。"""
+        fp = VideoFingerprint(
+            md5="abc123",
+            keyframe_phashes=["a1b2", "c3d4"],
+            color_histograms=[[0.1] * 96, [0.2] * 96],
+            duration=10.0,
+            resolution=(1920, 1080),
+            chunks=[
+                FingerprintChunk(start_time_ms=0, end_time_ms=2000, phash_binary="a1b2", color_histogram=[0.1] * 96),
+                FingerprintChunk(start_time_ms=2000, end_time_ms=4000, phash_binary="c3d4", color_histogram=[0.2] * 96),
+            ],
+        )
+
+        models = fp.to_chunk_models(video_id="v1", project_id="p1", user_id="u1")
+
+        assert len(models) == 2
+        assert models[0].video_id == "v1"
+        assert models[0].project_id == "p1"
+        assert models[0].user_id == "u1"
+        assert models[0].start_time_ms == 0
+        assert models[0].end_time_ms == 2000
+        assert models[0].phash_binary == "a1b2"
+        assert models[1].start_time_ms == 2000
+        assert models[1].end_time_ms == 4000
+        assert models[1].phash_binary == "c3d4"
+
+    def test_to_chunk_models_empty_chunks(self):
+        """空 chunks 列表返回空 Model 列表。"""
+        fp = VideoFingerprint(
+            md5="abc",
+            keyframe_phashes=[],
+            color_histograms=[],
+            duration=0,
+            resolution=(0, 0),
+            chunks=[],
+        )
+
+        models = fp.to_chunk_models(video_id="v1", project_id="p1")
+        assert models == []
+
+
+class TestSaveFingerprintChunksIdempotent:
+    """测试 _save_fingerprint_chunks 幂等性。"""
+
+    def test_save_skips_existing(self):
+        """已有分片数据时跳过写入。"""
+        fp = VideoFingerprint(
+            md5="abc",
+            keyframe_phashes=["a1b2"],
+            color_histograms=[[0.1] * 96],
+            duration=5.0,
+            resolution=(1920, 1080),
+            chunks=[
+                FingerprintChunk(start_time_ms=0, end_time_ms=2000, phash_binary="a1b2", color_histogram=[0.1] * 96),
+            ],
+        )
+
+        session = MagicMock()
+        # Mock: 已有 1 条分片数据
+        session.query.return_value.filter.return_value.count.return_value = 1
+
+        _save_fingerprint_chunks(fp, video_id="v1", project_id="p1", user_id="u1", session=session)
+
+        # bulk_save_objects 不应被调用
+        session.bulk_save_objects.assert_not_called()
+
+    def test_save_writes_new(self):
+        """无分片数据时写入。"""
+        fp = VideoFingerprint(
+            md5="abc",
+            keyframe_phashes=["a1b2"],
+            color_histograms=[[0.1] * 96],
+            duration=5.0,
+            resolution=(1920, 1080),
+            chunks=[
+                FingerprintChunk(start_time_ms=0, end_time_ms=2000, phash_binary="a1b2", color_histogram=[0.1] * 96),
+            ],
+        )
+
+        session = MagicMock()
+        # Mock: 无分片数据
+        session.query.return_value.filter.return_value.count.return_value = 0
+
+        _save_fingerprint_chunks(fp, video_id="v1", project_id="p1", user_id="u1", session=session)
+
+        # bulk_save_objects 应被调用一次
+        session.bulk_save_objects.assert_called_once()
+        saved_models = session.bulk_save_objects.call_args[0][0]
+        assert len(saved_models) == 1
+        assert saved_models[0].video_id == "v1"
+        assert saved_models[0].phash_binary == "a1b2"
+
+    def test_save_skips_no_chunks(self):
+        """指纹无 chunks 时跳过。"""
+        fp = VideoFingerprint(
+            md5="abc",
+            keyframe_phashes=[],
+            color_histograms=[],
+            duration=0,
+            resolution=(0, 0),
+            chunks=[],
+        )
+
+        session = MagicMock()
+        session.query.return_value.filter.return_value.count.return_value = 0
+
+        _save_fingerprint_chunks(fp, video_id="v1", project_id="p1", user_id="u1", session=session)
+
+        # bulk_save_objects 不应被调用
+        session.bulk_save_objects.assert_not_called()
+
+
+class TestFingerprintToDictBackwardCompat:
+    """测试 to_dict() 向后兼容性。"""
+
+    def test_to_dict_includes_chunks(self):
+        """to_dict() 包含 chunks 字段。"""
+        fp = VideoFingerprint(
+            md5="abc123",
+            keyframe_phashes=["a1b2"],
+            color_histograms=[[0.1] * 96],
+            duration=5.0,
+            resolution=(1920, 1080),
+            chunks=[
+                FingerprintChunk(start_time_ms=0, end_time_ms=2000, phash_binary="a1b2", color_histogram=[0.1] * 96),
+            ],
+        )
+
+        d = fp.to_dict()
+
+        assert "chunks" in d
+        assert len(d["chunks"]) == 1
+        assert d["chunks"][0]["start_time_ms"] == 0
+        assert d["chunks"][0]["end_time_ms"] == 2000
+        assert d["chunks"][0]["phash_binary"] == "a1b2"
+
+    def test_to_dict_preserves_legacy_fields(self):
+        """to_dict() 保留 keyframe_phashes 和 color_histograms 字段。"""
+        fp = VideoFingerprint(
+            md5="abc",
+            keyframe_phashes=["a1b2", "c3d4"],
+            color_histograms=[[0.1] * 96, [0.2] * 96],
+            duration=10.0,
+            resolution=(1920, 1080),
+        )
+
+        d = fp.to_dict()
+
+        assert "keyframe_phashes" in d
+        assert "color_histograms" in d
+        assert len(d["keyframe_phashes"]) == 2
+        assert len(d["color_histograms"]) == 2
@@ -104,11 +104,31 @@ def _make_library(
    return AssetLibrary(id=id, name="Test Library", project_id=project_id, kind=kind)


+class StubAssetRepository:
+    """Minimal asset repository stub for upload tests."""
+    def __init__(self):
+        self._assets = {}
+
+    def create(self, asset):
+        self._assets[asset.id] = asset
+        return asset
+
+    def find_by_storage_key(self, storage_key):
+        for a in self._assets.values():
+            if a.storage_key == storage_key:
+                return a
+        return None
+
+    def find_by_library_and_file_hash(self, library_id, file_hash):
+        return None
+
+
 def _build_app(
    project_repo: StubProjectRepository | None = None,
    library_repo: StubAssetLibraryRepository | None = None,
    storage: MagicMock | None = None,
    ingest_repo: StubIngestJobRepository | None = None,
+    asset_repo: StubAssetRepository | None = None,
 ) -> FastAPI:
    """构建一个最小化的 FastAPI app，只注册 upload 路由。"""
    from app.api.routes.upload import router
@@ -116,6 +136,7 @@ def _build_app(
    from app.core.storage import get_storage_service
    from app.dependencies import (
        get_asset_library_repository,
+        get_asset_repository,
        get_ingest_job_repository,
        get_project_repository,
    )
@@ -129,17 +150,21 @@ def _build_app(
    storage.is_configured = True
    storage.upload_file.return_value = "https://bucket.oss.example.com/uploads/test.mp4"
    ingest_repo = ingest_repo or StubIngestJobRepository()
+    asset_repo = asset_repo or StubAssetRepository()

    # Mock auth
    mock_user = MagicMock(spec=AuthenticatedUser)
    mock_user.id = "user-1"
    mock_user.email = "test@example.com"
+    mock_user.user = MagicMock()
+    mock_user.user.id = "user-1"

    app.dependency_overrides[get_current_user] = lambda: mock_user
    app.dependency_overrides[get_project_repository] = lambda: project_repo
    app.dependency_overrides[get_asset_library_repository] = lambda: library_repo
    app.dependency_overrides[get_storage_service] = lambda: storage
    app.dependency_overrides[get_ingest_job_repository] = lambda: ingest_repo
+    app.dependency_overrides[get_asset_repository] = lambda: asset_repo

    return app

@@ -1007,3 +1007,162 @@ class TestAssetDurationsAlwaysFetched:
            call_kwargs = mock_distribute.call_args
            asset_durations = call_kwargs.kwargs.get("asset_durations", call_kwargs[1].get("asset_durations"))
            assert asset_durations is None
+
+
+# ---------------------------------------------------------------------------
+# 测试：正式生成片段随机重排（Issue #1663）
+# ---------------------------------------------------------------------------
+
+
+class TestFormalGenerationShuffle:
+    """验证正式生成时片段顺序随机化。
+
+    Issue #1663: 正式生成时 smart_match 排序后对 asset_ids 做 random.shuffle，
+    使得同一批素材每次生成的视频片段顺序不同，有利于查重降重。
+    """
+
+    def _make_service_with_asset_repo(self):
+        """创建带 mock asset_repo 的 PlanGeneratorService（复用 TestAssetDurationsAlwaysFetched 模式）"""
+        from apps.api.app.services.plan_generator_service import PlanGeneratorService
+
+        plan_repo = StubEditPlanRepository()
+        clip_repo = StubEditPlanClipRepository()
+
+        asset_repo = MagicMock()
+
+        def fake_get(asset_id):
+            mock_asset = MagicMock()
+            mock_asset.duration = 30.0
+            mock_asset.quality_score = None
+            mock_asset.created_at = None
+            mock_asset.metadata = {}
+            return mock_asset
+
+        asset_repo.get = MagicMock(side_effect=fake_get)
+
+        with (
+            patch(
+                "apps.api.app.services.plan_generator_service.SQLAlchemyEditPlanRepository",
+                return_value=plan_repo,
+            ),
+            patch(
+                "apps.api.app.services.plan_generator_service.SQLAlchemyEditPlanClipRepository",
+                return_value=clip_repo,
+            ),
+        ):
+            db = MagicMock()
+            svc = PlanGeneratorService(db, asset_repo=asset_repo)
+            svc._plan_repo = plan_repo
+            svc._clip_repo = clip_repo
+
+        return svc, asset_repo
+
+    def test_formal_generation_shuffles_asset_ids(self):
+        """正式生成路径下 asset_ids 应被打乱，多次调用顺序应不同"""
+        svc, _ = self._make_service_with_asset_repo()
+
+        template = _make_template("one_take")
+        # 6 个 clip 容纳 6 个素材
+        clip_configs = _make_clip_configs(
+            template_id=template.id,
+            specs=[
+                {"clip_type": ClipType.MAIN, "order": i, "min_duration": 3.0, "max_duration": 5.0} for i in range(6)
+            ],
+        )
+
+        asset_ids = ["a1", "a2", "a3", "a4", "a5", "a6"]
+
+        # 收集多次调用中 distribute_assets 收到的 asset_ids 顺序
+        captured_orders = []
+        with patch(
+            "apps.api.app.services.plan_generator_service.distribute_assets",
+            side_effect=lambda clips, asset_ids, *a, **kw: captured_orders.append(list(asset_ids)),
+        ):
+            # mock _sort_assets_by_smart_score 返回固定顺序，验证 shuffle 会打乱
+            with patch.object(
+                svc,
+                "_sort_assets_by_smart_score",
+                side_effect=lambda ids: list(ids),  # 原样返回
+            ):
+                with patch.object(
+                    svc,
+                    "_fetch_asset_scene_points",
+                    return_value={},
+                ):
+                    for _ in range(10):
+                        svc.generate_from_template(
+                            template=template,
+                            clip_configs=clip_configs,
+                            asset_ids=list(asset_ids),  # 每次传新列表
+                            random_preview=False,  # 正式生成
+                        )
+
+        assert len(captured_orders) == 10
+        # 每次 order 应该是 asset_ids 的一个排列
+        expected_set = set(asset_ids)
+        for order in captured_orders:
+            assert set(order) == expected_set
+
+        # 10 次调用中应至少出现 2 种不同顺序（概率 > 99.9%）
+        unique_orders = set(tuple(o) for o in captured_orders)
+        assert (
+            len(unique_orders) >= 2
+        ), f"Expected shuffled orders to vary, but got only {len(unique_orders)} unique order(s): {unique_orders}"
+
+    def test_formal_generation_does_not_mutate_original_list(self):
+        """shuffle 不应修改调用方的原始 asset_ids 列表"""
+        svc, _ = self._make_service_with_asset_repo()
+
+        template = _make_template("one_take")
+        clip_configs = _make_clip_configs(
+            template_id=template.id,
+            specs=[
+                {"clip_type": ClipType.MAIN, "order": i, "min_duration": 3.0, "max_duration": 5.0} for i in range(4)
+            ],
+        )
+
+        original = ["a1", "a2", "a3", "a4"]
+        original_copy = list(original)
+
+        with patch("apps.api.app.services.plan_generator_service.distribute_assets"):
+            with patch.object(svc, "_sort_assets_by_smart_score", side_effect=lambda ids: list(ids)):
+                with patch.object(svc, "_fetch_asset_scene_points", return_value={}):
+                    svc.generate_from_template(
+                        template=template,
+                        clip_configs=clip_configs,
+                        asset_ids=original,
+                        random_preview=False,
+                    )
+
+        assert original == original_copy, "Original asset_ids list should not be mutated"
+
+    def test_preview_random_mode_unaffected_by_shuffle(self):
+        """预览随机模式不走 shuffle 路径，行为不变"""
+        svc, _ = self._make_service_with_asset_repo()
+
+        template = _make_template("one_take")
+        clip_configs = _make_clip_configs(
+            template_id=template.id,
+            specs=[
+                {"clip_type": ClipType.MAIN, "order": i, "min_duration": 3.0, "max_duration": 5.0} for i in range(4)
+            ],
+        )
+
+        asset_ids = ["a1", "a2", "a3", "a4"]
+
+        captured_orders = []
+        with patch(
+            "apps.api.app.services.plan_generator_service.distribute_assets",
+            side_effect=lambda clips, asset_ids, *a, **kw: captured_orders.append(list(asset_ids)),
+        ):
+            for _ in range(5):
+                svc.generate_from_template(
+                    template=template,
+                    clip_configs=clip_configs,
+                    asset_ids=list(asset_ids),
+                    random_preview=True,  # 预览随机模式
+                )
+
+        assert len(captured_orders) == 5
+        # 预览模式下 random.shuffle 不应被调用（在 _distribute_assets 的 if not random_selection 块内）
+        # 所以 asset_ids 应该保持调用方传入的顺序（可能已由上层 shuffle 过）