feat: prevent UI from showing raw JSON when AI response is empty

backend/openedx_ai_extensions/workflows/orchestrators.py

@@ -245,7 +245,7 @@ def run(self, input_data):
         # --- 7. Return Structured Non-Streaming Result ---
         # If execution reaches this point, we have a successful, non-streaming result (Dict).
         response_data = {
-            'response': llm_result.get('response', 'No response available'),
+            'response': llm_result.get('response') or 'No response available',
             'status': 'completed',
             'metadata': {
                 'tokens_used': llm_result.get('tokens_used'),
@@ -451,7 +451,7 @@ def lazy_load_chat_history(self, input_data):
             }
 
         return {
-            "response": result.get("response", "{}"),
+            "response": result.get("response") or "{}",
             "status": "completed",
         }
 
@@ -521,7 +521,7 @@ def run(self, input_data):
                     "status": "SubmissionProcessor error",
                 }
             return {
-                "response": history_result.get("response", "No response available"),
+                "response": history_result.get("response") or "No response available",
                 "status": "completed",
             }
 
@@ -568,7 +568,7 @@ def run(self, input_data):
 
         # --- BRANCH C: Handle Non-Streaming (Standard) ---
         messages = [
-            {"role": "assistant", "content": llm_result.get("response", "")},
+            {"role": "assistant", "content": llm_result.get("response") or ""},
         ]
         if input_data:
             messages.insert(0, {"role": "user", "content": input_data})
@@ -591,7 +591,7 @@ def run(self, input_data):
 
         # 4. Return result
         return {
-            "response": llm_result.get("response", "No response available"),
+            "response": llm_result.get("response") or "No response available",
             "status": "completed",
             "metadata": {
                 "tokens_used": llm_result.get("tokens_used"),

frontend/src/ConfigurableAIAssistance.jsx

@@ -22,6 +22,7 @@ import {
   AIEducatorLibraryAssistComponent,
   AIEducatorLibraryResponseComponent,
 } from './components';
+import { NO_RESPONSE_MSG } from './services/constants';
 
 /**
  * Component Registry
@@ -177,7 +178,7 @@ const ConfigurableAIAssistance = ({
       } else if (data.error) {
         throw new Error(data.error);
       } else {
-        setResponse(JSON.stringify(data, null, 2));
+        setResponse(NO_RESPONSE_MSG);
         setHasAsked(true);
       }
 

frontend/src/GetAIAssistanceButton.jsx

@@ -13,6 +13,7 @@ import {
   AIRequestComponent,
   AIResponseComponent,
 } from './components';
+import { NO_RESPONSE_MSG } from './services/constants';
 
 /**
  * Main AI Assistant Plugin Component
@@ -81,7 +82,7 @@ const GetAIAssistanceButton = ({
         throw new Error(data.error);
       } else {
         // If API returns something but in unexpected format, try to use it
-        setResponse(JSON.stringify(data, null, 2));
+        setResponse(NO_RESPONSE_MSG);
         setHasAsked(true);
       }
 

frontend/src/components/AIEducatorLibraryAssistComponent.jsx

@@ -11,6 +11,7 @@ import { AutoAwesome, Close } from '@openedx/paragon/icons';
 import { getConfig } from '@edx/frontend-platform';
 import { getAuthenticatedHttpClient } from '@edx/frontend-platform/auth';
 import { callWorkflowService, prepareContextData } from '../services';
+import { NO_RESPONSE_MSG } from '../services/constants';
 
 /**
  * AI Educator Library Assist Component
@@ -207,7 +208,7 @@ const AIEducatorLibraryAssistComponent = ({
       } else {
         // Immediate response
         const immediateResponse = data.response || data.message || data.content
-          || data.result || JSON.stringify(data, null, 2);
+          || data.result || NO_RESPONSE_MSG;
         setResponse(immediateResponse);
       }
 

frontend/src/components/AISidebarResponse.jsx

@@ -20,6 +20,7 @@ import {
   prepareContextData,
   formatErrorMessage,
 } from '../services';
+import { NO_RESPONSE_MSG } from '../services/constants';
 
 /**
  * AI Sidebar Response Component
@@ -414,7 +415,7 @@ const AISidebarResponse = ({
         } else if (data.result) {
           aiResponse = data.result;
         } else {
-          aiResponse = JSON.stringify(data, null, 2);
+          aiResponse = NO_RESPONSE_MSG;
         }
 
         // Update the AI placeholder with the final response

frontend/src/services/constants.js

@@ -0,0 +1 @@
+export const NO_RESPONSE_MSG = 'No response available';