Add error handling to semantic_search method in FileService to give ai context

src/services/_file_service.py

@@ -51,5 +51,8 @@ class FileService:
             await file.close()
 
     async def semantic_search(self, query):
-        async with self.pinecone_client() as client:
-            return await client.similarity_search(query=query)
+        try:
+            async with self.pinecone_client() as client:
+                return await client.similarity_search(query=query)
+        except Exception as e:
+            return str(e)