Рабочий пайплайн: YouTube -> транскрипция -> выжимка -> Postgres

- новый api/: /pipeline/process (yt-dlp, субтитры или Vosk, LLM/экстрактивная
  суммаризация), /videos, /llm; старый код перенесён в api_legacy/
- web/: Flet UI (flet 0.28.3 + flet-web, порт 8550)
- Dockerfile.api: ffmpeg слоем из mwader/static-ffmpeg, pip с кэш-маунтом
- requirements/pyproject: убраны moviepy, imageio-ffmpeg, битый asyncio
- README с инструкцией запуска и загрузкой Vosk-модели

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

api_legacy/route/moviepy.py

@@ -0,0 +1,97 @@
+from fastapi import APIRouter, HTTPException
+from pydantic import BaseModel
+from fastapi.responses import FileResponse
+from pathlib import Path
+import asyncio
+
+router = APIRouter(prefix="/moviepy", tags=["moviepy"])
+
+
+class VideoToMp3Request(BaseModel):
+    filename: str
+
+
+class VideoToWavRequest(BaseModel):
+    filename: str
+
+
+def _run_moviepy(src: Path, dest: Path):
+    from moviepy import VideoFileClip
+
+    clip = VideoFileClip(str(src))
+    try:
+        if clip.audio is None:
+            raise RuntimeError("Source file has no audio stream")
+        clip.audio.write_audiofile(str(dest), codec="libmp3lame", bitrate="192k")
+    finally:
+        clip.close()
+
+
+def _run_moviepy_to_wav(src: Path, dest: Path):
+    from moviepy import VideoFileClip
+
+    clip = VideoFileClip(str(src))
+    try:
+        if clip.audio is None:
+            raise RuntimeError("Source file has no audio stream")
+        clip.audio.write_audiofile(str(dest), fps=16000, nbytes=2)
+    finally:
+        clip.close()
+
+
+@router.post("/video-to-mp3")
+async def video_to_mp3(req: VideoToMp3Request):
+    try:
+        import moviepy  # noqa: F401
+    except Exception:
+        raise HTTPException(status_code=503, detail="moviepy is not installed in the runtime. Install moviepy/imageio-ffmpeg")
+
+    project_root = Path(__file__).resolve().parent.parent.parent
+    data_dir = project_root / "data"
+    src = (data_dir / req.filename).resolve()
+    try:
+        src.relative_to(data_dir)
+    except Exception:
+        raise HTTPException(status_code=400, detail="Invalid filename")
+    if not src.exists() or not src.is_file():
+        raise HTTPException(status_code=404, detail="Source file not found")
+
+    out_dir = data_dir / "audio"
+    out_dir.mkdir(parents=True, exist_ok=True)
+    dest = out_dir / f"{src.stem}.mp3"
+
+    try:
+        await asyncio.get_running_loop().run_in_executor(None, _run_moviepy, src, dest)
+    except Exception as e:
+        raise HTTPException(status_code=500, detail=f"conversion failed: {e}")
+
+    return FileResponse(str(dest), filename=dest.name, media_type="audio/mpeg")
+
+
+@router.post("/video-to-wav")
+async def video_to_wav(req: VideoToWavRequest):
+    try:
+        import moviepy  # noqa: F401
+    except Exception:
+        raise HTTPException(status_code=503, detail="moviepy is not installed in the runtime. Install moviepy/imageio-ffmpeg")
+
+    project_root = Path(__file__).resolve().parent.parent.parent
+    data_dir = project_root / "data"
+    src = (data_dir / req.filename).resolve()
+    try:
+        src.relative_to(data_dir)
+    except Exception:
+        raise HTTPException(status_code=400, detail="Invalid filename")
+    if not src.exists() or not src.is_file():
+        raise HTTPException(status_code=404, detail="Source file not found")
+
+    out_dir = data_dir / "audio"
+    out_dir.mkdir(parents=True, exist_ok=True)
+    dest = out_dir / f"{src.stem}.wav"
+
+    try:
+        await asyncio.get_running_loop().run_in_executor(None, _run_moviepy_to_wav, src, dest)
+    except Exception as e:
+        raise HTTPException(status_code=500, detail=f"conversion failed: {e}")
+
+    return FileResponse(str(dest), filename=dest.name, media_type="audio/wav")