decomposer: generate deliverable files for Define the service contract and project architecture for the FastAPI endpoint monitoring service.; Implement the typed monitor CRUD API and concurrency-safe in-memory state according to the service design.; Implement secure on-demand endpoint checks with status updates, latency measurement, robust error handling, and redacted structured logs.; Add operational API endpoints and environment-driven runtime configuration to the monitoring service.; Create automated tests for the monitoring service.; Package the service with Docker and developer documentation.; Validate the complete project.

app/logging.py

@@ -9,12 +9,14 @@ class JsonFormatter(logging.Formatter):
         payload: dict[str, Any] = {
             "timestamp": datetime.now(UTC).isoformat(),
             "level": record.levelname,
+            "logger": record.name,
             "message": record.getMessage(),
         }
-        event_data = getattr(record, "event_data", None)
-        if isinstance(event_data, dict):
-            payload.update(event_data)
-        return json.dumps(payload, default=str, separators=(",", ":"))
+        for key in ("event", "monitor_id", "url", "state", "latency_ms", "status_code"):
+            value = getattr(record, key, None)
+            if value is not None:
+                payload[key] = value
+        return json.dumps(payload, default=str)
 
 
 def configure_logging(level: str) -> None: