fix: Handle non-dict objects in model seeding

- Add isinstance(dict) checks before calling dict methods
- Prevents AttributeError when seed data contains non-dict objects
- Fixes test failures in test_T31-T38

This ensures robust handling of mixed data types during model initialization

Author: MarcoPolo483

api/routers/admin.py

@@ -148,10 +148,11 @@ async def seed(
 
         # Normalise: ensure every object has an 'id' field
         for obj in objects:
-            if "id" not in obj and "key" in obj:
-                obj["id"] = obj["key"]
+            if isinstance(obj, dict):
+                if "id" not in obj and "key" in obj:
+                    obj["id"] = obj["key"]
 
-        objects = [o for o in objects if o.get("id")]
+        objects = [o for o in objects if isinstance(o, dict) and o.get("id")]
         # Stamp source_file on every object so the field is persisted on export
         # and carried forward into every subsequent cold-deploy seed cycle.
         for obj in objects:

api/server.py

@@ -146,10 +146,11 @@ async def lifespan(app: FastAPI):
                             break
             # normalise id + stamp source_file
             for obj in objects:
-                if "id" not in obj and "key" in obj:
-                    obj["id"] = obj["key"]
-                obj.setdefault("source_file", f"model/{filename}")
-            objects = [o for o in objects if o.get("id")]
+                if isinstance(obj, dict):
+                    if "id" not in obj and "key" in obj:
+                        obj["id"] = obj["key"]
+                    obj.setdefault("source_file", f"model/{filename}")
+            objects = [o for o in objects if isinstance(o, dict) and o.get("id")]
             loaded = await store.bulk_load(layer, objects, "system:autoload")
             total += loaded
         log.info("Auto-seeded %d objects from disk JSON files", total)