chore: address coderabbit cleanup notes

src/wf_api/admin.py

@@ -49,6 +49,8 @@ class WorkflowAdminApi:
         )
         return {"statuses": statuses, "total": len(statuses)}
 
+    # Preserve provider order for events; event providers are expected to return
+    # chronological order and callers may rely on that ordering for diagnostics.
     async def list_events(self) -> dict[str, Any]:
         events = [_payload(event) for event in self.events.list_events()]
         return {"events": events, "total": len(events)}

src/wf_api/source_registry_admin.py

@@ -19,7 +19,9 @@ class WorkflowSourceRegistryProvider(Protocol):
 class WorkflowSourceRegistryMutationProvider(Protocol):
     """Write capabilities for source registry mutation operations."""
 
-    def add_registry_entry(self, entry: Mapping[str, Any]) -> Mapping[str, Any] | object: ...
+    def add_registry_entry(
+        self, entry: Mapping[str, Any]
+    ) -> Mapping[str, Any] | object: ...
     def update_registry_entry(
         self, source_id: str, patch: Mapping[str, Any]
     ) -> Mapping[str, Any] | object: ...