feat: full pipeline fixes - CI status branch lookup, review webhook routing, auto-advance, plane sync

- handle_ci_status: fallback git branch -r --contains when branches[] empty
- webhook router: handle pull_request_approved event type
- handle_pr: map review.type to review.state for new Gitea format
- launcher: auto-advance stage after agent completion (_try_advance_stage)
- plane_sync: notify Plane on stage changes
- stages.py: stage machine with QG definitions
- notifications.py: stage change notifications
- safe.directory fix for container git operations

src/main.py

@@ -1,9 +1,16 @@
 from fastapi import FastAPI
 from contextlib import asynccontextmanager
+import logging
 from .db import init_db
 from .webhooks.plane import router as plane_router
 from .webhooks.gitea import router as gitea_router
 
+# Configure logging
+logging.basicConfig(
+    level=logging.INFO,
+    format="%(asctime)s [%(levelname)s] %(name)s: %(message)s",
+)
+
 
 @asynccontextmanager
 async def lifespan(app: FastAPI):