add convex health metrics route

routes/api/health.py

@@ -0,0 +1,27 @@
+from my_modules.decoratory.header import format_response, feature_flag_required
+from my_modules.app.setup import LIMITER
+from my_modules.app.logger import logger
+
+from quart import Blueprint, current_app
+
+health_bp = Blueprint("health", __name__)
+
+@health_bp.route("/convex", methods=["GET"])
+@LIMITER.limit("30 per minute")
+@feature_flag_required("convex_health", fallback=False, status_code=404)
+@format_response
+async def get_convex_health_for_api():
+  runtime = getattr(current_app, "convex_runtime", None)
+  if runtime is None:
+    return {
+      "status": "unavailable",
+      "description": "Convex runtime is not attached to app",
+    }, 503
+
+  is_alive = await runtime.is_alive()
+  metrics = runtime.get_metrics()
+
+  return {
+    "alive": is_alive,
+    "metrics": metrics,
+  }, 200 if is_alive else 503