feat: routes

app/api/v1/sources.py

@@ -0,0 +1,19 @@
+"""External source endpoints (yt-dlp etc.)."""
+
+from typing import Any
+
+from fastapi import APIRouter
+
+router = APIRouter(prefix="/sources", tags=["sources"])
+
+
+@router.get("")
+async def list_sources() -> Any: ...
+
+
+@router.get("/{source}/search")
+async def search_source(source: str) -> Any: ...
+
+
+@router.get("/{source}/health")
+async def source_health(source: str) -> Any: ...