Refactor .flake8 configuration for improved readability and organization; update error handling in PlanPage and router.py for clarity

Author: Kingshuk-Microsoft

.flake8

@@ -1,5 +1,13 @@
 [flake8]
 max-line-length = 88
 extend-ignore = E501
-exclude = .venv, frontend, src/backend/tests
+exclude = 
+    .venv,
+    frontend,
+    src/frontend,
+    src/backend/tests,
+    *.tsx,
+    *.ts,
+    *.jsx,
+    *.js
 ignore = E203, W503, G004, G200, E402

src/backend/v3/api/router.py

@@ -333,7 +333,7 @@ async def run_orchestration_task():
 @app_v3.post("/plan_approval")
 async def plan_approval(
     human_feedback: messages.PlanApprovalResponse, request: Request
-    ):
+):
     """
     Endpoint to receive plan approval or rejection from the user.
     ---
@@ -462,7 +462,6 @@ async def plan_approval(
                 {
                     "type": WebsocketMessageType.ERROR_MESSAGE,
                     "data": {
-                        # "content": f"Approval error: {str(e)}",
                         "content": "An error occurred while processing your approval request.",
                         "status": "error",
                         "timestamp": asyncio.get_event_loop().time(),

src/frontend/src/pages/PlanPage.tsx

@@ -58,7 +58,6 @@ const PlanPage: React.FC = () => {
     const [showBufferingText, setShowBufferingText] = useState<boolean>(false);
     const [agentMessages, setAgentMessages] = useState<AgentMessageData[]>([]);
     const formatErrorMessage = useCallback((content: string): string => {
-        // return `⚠️ ${content}`;
         // Split content by newlines and add proper indentation
         const lines = content.split('\n');
         const formattedLines = lines.map((line, index) => {