feat(db): wire objects router to SQLAlchemy session

backend/app/routers/objects.py

@@ -1,19 +1,23 @@
-from fastapi import APIRouter, HTTPException
+from fastapi import APIRouter, Depends, HTTPException
+from sqlalchemy.orm import Session
 
+from app.database import get_db
+from app.models import NetObjectModel
 from app.schemas import EntityResponse, ListResponse, NetObject
-from app.services.store import OBJECTS
+from app.services.inventory import _to_net_object
 
 router = APIRouter(prefix='/objects', tags=['objects'])
 
 
 @router.get('', response_model=ListResponse[NetObject])
-def list_objects() -> ListResponse[NetObject]:
-    return ListResponse(count=len(OBJECTS), items=OBJECTS)
+def list_objects(db: Session = Depends(get_db)):
+    rows = db.query(NetObjectModel).all()
+    return ListResponse(count=len(rows), items=[_to_net_object(r) for r in rows])
 
 
 @router.get('/{object_id}', response_model=EntityResponse[NetObject])
-def get_object(object_id: str) -> EntityResponse[NetObject]:
-    for item in OBJECTS:
-        if item.id == object_id:
-            return EntityResponse(item=item)
-    raise HTTPException(status_code=404, detail='Object not found')
+def get_object(object_id: str, db: Session = Depends(get_db)):
+    row = db.query(NetObjectModel).filter(NetObjectModel.id == object_id).first()
+    if not row:
+        raise HTTPException(status_code=404, detail='Object not found')
+    return EntityResponse(item=_to_net_object(row))