Store conversation ID for new conversations as a string, not UUID

src/khoj/routers/api.py

@@ -574,7 +574,7 @@ async def post_automation(
     try:
         # Use the query to run as the scheduling request if the scheduling request is unset
         automation = await schedule_automation(
-            query_to_run, subject, crontime, timezone, q, user, calling_url, conversation.id
+            query_to_run, subject, crontime, timezone, q, user, calling_url, str(conversation.id)
         )
     except Exception as e:
         logger.error(f"Error creating automation {q} for {user.email}: {e}", exc_info=True)
@@ -679,7 +679,7 @@ def edit_job(
         # Create new Conversation Session associated with this new task
         conversation = ConversationAdapters.create_conversation_session(user, request.user.client_app, title=title)
 
-        conversation_id = conversation.id
+        conversation_id = str(conversation.id)
         automation_metadata["conversation_id"] = conversation_id
 
     # Modify automation with updated query, subject

src/khoj/routers/helpers.py

@@ -1132,7 +1132,7 @@ def scheduled_chat(
     # Replace the original conversation_id with the conversation_id
     if conversation_id:
         # encode the conversation_id to avoid any issues with special characters
-        query_dict["conversation_id"] = [quote(conversation_id)]
+        query_dict["conversation_id"] = [quote(str(conversation_id))]
 
     # Restructure the original query_dict into a valid JSON payload for the chat API
     json_payload = {key: values[0] for key, values in query_dict.items()}