Enforce runtime-only workspace directory creation policy

backend/api/youtube/paths.py

@@ -0,0 +1,21 @@
+"""Centralized YouTube media paths and runtime directory creation."""
+
+from pathlib import Path
+from typing import Iterable, Optional
+
+from services.workspace_dirs import ensure_user_workspace_dirs
+
+
+BASE_DIR = Path(__file__).resolve().parents[3]
+DATA_MEDIA_DIR = BASE_DIR / "workspace" / "media"
+YOUTUBE_VIDEO_DIR = DATA_MEDIA_DIR / "youtube_videos"
+YOUTUBE_AVATARS_DIR = DATA_MEDIA_DIR / "youtube_avatars"
+YOUTUBE_IMAGES_DIR = DATA_MEDIA_DIR / "youtube_images"
+YOUTUBE_AUDIO_DIR = DATA_MEDIA_DIR / "youtube_audio"
+
+
+def ensure_youtube_media_dirs(user_id: str, capabilities: Optional[Iterable[str]] = None) -> None:
+    """Ensure YouTube-related media directories at request/runtime."""
+    ensure_user_workspace_dirs(user_id, capabilities=capabilities or {"media", "content"})
+    for directory in [YOUTUBE_VIDEO_DIR, YOUTUBE_AVATARS_DIR, YOUTUBE_IMAGES_DIR, YOUTUBE_AUDIO_DIR]:
+        directory.mkdir(parents=True, exist_ok=True)