Update src/rag_engine.py

src/rag_engine.py

@@ -339,10 +339,17 @@ def rebuild_cache_from_pinecone(username: str, index_name: str) -> Tuple[bool, s
             batch_ids = ids[i : i + batch_size]
             response = pm.fetch_vectors(index_name, batch_ids, username)
             
-            for vec_id, vec_data in response.get('vectors', {}).items():
-                meta = vec_data.get('metadata', {})
+            vectors = response.vectors 
+            
+            for vec_id, vec_data in vectors.items():
+                # vec_data is also an object. Access .metadata via attribute.
+                meta = vec_data.metadata 
+                if meta is None: meta = {}
+                
                 source = meta.get('source', 'unknown_restored.txt')
-                text = meta.get('text', '') or vec_data.get('metadata', {}).get('page_content', '')
+                
+                # Retrieve text (handle potential key variations)
+                text = meta.get('text') or meta.get('page_content') or ''
                 
                 if source not in reconstructed_files:
                     reconstructed_files[source] = []