chore: surface scheduler logs in container output (INFO for subfeed loggers)

backend/app/main.py

@@ -1,7 +1,19 @@
+import logging
+import sys
 from contextlib import asynccontextmanager
 from pathlib import Path
 
 from fastapi import FastAPI, HTTPException
+
+# Make our own loggers (e.g. the scheduler) visible in container logs — uvicorn's
+# logging config otherwise filters out INFO from non-uvicorn loggers.
+_subfeed_logger = logging.getLogger("subfeed")
+if not _subfeed_logger.handlers:
+    _handler = logging.StreamHandler(sys.stdout)
+    _handler.setFormatter(logging.Formatter("%(levelname)s [%(name)s] %(message)s"))
+    _subfeed_logger.addHandler(_handler)
+_subfeed_logger.setLevel(logging.INFO)
+_subfeed_logger.propagate = False
 from fastapi.middleware.cors import CORSMiddleware
 from fastapi.responses import FileResponse
 from fastapi.staticfiles import StaticFiles