fix: remove hardcoded responses (#141)

src/crud.py

@@ -1099,10 +1099,10 @@ async def get_working_representation(
         latest_representation_obj = result.scalar_one_or_none()
         latest_representation = (
             latest_representation_obj.internal_metadata.get(
-                USER_REPRESENTATION_METADATA_KEY, "No user representation available."
+                USER_REPRESENTATION_METADATA_KEY, ""
             )
             if latest_representation_obj
-            else "No user representation available."
+            else ""
         )
     else:
         # Fetch the latest global level user representation
@@ -1116,10 +1116,10 @@ async def get_working_representation(
         latest_representation_obj = result.scalar_one_or_none()
         latest_representation = (
             latest_representation_obj.internal_metadata.get(
-                USER_REPRESENTATION_METADATA_KEY, "No user representation available."
+                USER_REPRESENTATION_METADATA_KEY, ""
             )
             if latest_representation_obj
-            else "No user representation available."
+            else ""
         )
 
     return latest_representation

src/utils/history.py

@@ -228,7 +228,7 @@ async def create_summary(
             content=(
                 f"Conversation with {len(messages)} messages about {messages[-1].content[:30]}..."
                 if messages
-                else "No messages to summarize!"
+                else ""
             ),
             message_count=0,
             summary_type=summary_type.value,