merge: testing → main (reconcile 2-week divergence)

decnet/web/db/models/health.py

@@ -0,0 +1,14 @@
+"""Health-endpoint DTOs."""
+from typing import Literal, Optional
+
+from pydantic import BaseModel
+
+
+class ComponentHealth(BaseModel):
+    status: Literal["ok", "failing"]
+    detail: Optional[str] = None
+
+
+class HealthResponse(BaseModel):
+    status: Literal["healthy", "degraded", "unhealthy"]
+    components: dict[str, ComponentHealth]