fix(logging): resolve logging_compat keyword arg conflicts

- Fix logging_compat._log() to handle extra keyword arguments properly
- Update config.py, main.py, and test_bans.py for compatibility
- Update Tasks.md and runner.csx

backend/app/main.py

@@ -78,8 +78,9 @@ from app.utils.scheduler_lock import release_scheduler_lock
 from app.utils.session_cache import InMemorySessionCache, NoOpSessionCache
 from app.utils.setup_state import is_setup_complete_cached, set_setup_complete_cache
 from app.utils.json_formatter import JSONFormatter
+from app.utils.logging_compat import get_logger
 
-log = logging.getLogger("bangui")
+log = get_logger("bangui")
 
 
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