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fix: 性能优化、前端转写器配置、任务进度丢失及 MLX Whisper 回退问题修复
### 性能优化 - 后端任务执行从串行锁改为 ThreadPoolExecutor 并发执行(默认3线程) - 添加 GZipMiddleware 响应压缩 + Nginx gzip 配置 - 数据库连接池参数优化(pool_size=10, max_overflow=20) - 视频帧提取并行化(ThreadPoolExecutor) - LLM 重试配置缓存到实例,避免每次请求读 env var - 前端路由级代码拆分(React.lazy + Suspense) - Vite manualChunks 拆分 markdown/markmap/vendor - MarkdownViewer 用 React.memo + useMemo 减少不必要渲染 - NoteHistory Fuse.js 实例 useMemo 缓存 - useTaskPolling 无待处理任务时跳过轮询 - 移除 antd 依赖(NoteForm Alert、modelForm Tag),改用 shadcn/ui ### 前端转写器配置(新功能) - 新增 TranscriberConfigManager(JSON 文件存储,替代环境变量) - 新增 GET/POST /transcriber_config API 端点 - 新增 GET /transcriber_models_status 模型下载状态查询 - 新增 POST /transcriber_download 后台模型下载触发 - 前端转写器设置页面:引擎选择、模型大小选择、模型下载管理 - deploy_status 端点同步从配置文件读取 ### Bug 修复 - 修复任务进行中切换页面后进度丢失:Home.tsx status 派生逻辑补全中间状态 - 修复 MLX Whisper 静默回退 fast-whisper:移除环境变量门控,macOS 下自动尝试导入 - MLX Whisper 不可用时抛出 RuntimeError 而非静默回退 - 前端展示 MLX Whisper 可用性状态,不可用时禁用保存 Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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@@ -13,10 +13,19 @@ engine_args = {}
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if DATABASE_URL.startswith("sqlite"):
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engine_args["connect_args"] = {"check_same_thread": False}
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_pool_args = {}
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if not DATABASE_URL.startswith("sqlite"):
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_pool_args = {
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"pool_size": int(os.getenv("DB_POOL_SIZE", "10")),
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"max_overflow": int(os.getenv("DB_MAX_OVERFLOW", "20")),
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"pool_pre_ping": True,
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}
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engine = create_engine(
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DATABASE_URL,
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echo=os.getenv("SQLALCHEMY_ECHO", "false").lower() == "true",
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**engine_args
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**engine_args,
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**_pool_args,
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)
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SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
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