Add agent message endpoint and update AgentMessageResponse model

Introduces a new /agent_message POST endpoint to receive agent messages in the backend API. Updates the AgentMessageResponse model to make several fields optional for improved flexibility. Also removes an unnecessary blank line in PlanPage.tsx.

Author: Fr4nc3

src/backend/v3/api/router.py

@@ -489,6 +489,21 @@ async def user_clarification(
                 status_code=404, detail="No active plan found for clarification"
             )
 
+@app_v3.post("/agent_message")
+async def agent_message_user(
+    agent_message: messages.AgentMessageResponse, request: Request
+):
+    """Endpoint to receive agent messages."""
+    authenticated_user = get_authenticated_user_details(request_headers=request.headers)
+    user_id = authenticated_user["user_principal_id"]
+    if not user_id:
+        raise HTTPException(
+            status_code=401, detail="Missing or invalid user information"
+        )
+    # Set the approval in the orchestration config
+   
+
+
 
 @app_v3.post("/upload_team_config")
 async def upload_team_config(

src/backend/v3/models/messages.py

@@ -128,14 +128,14 @@ class AgentMessageResponse:
     """Message sent to HumanAgent to request approval for a step."""
     plan_id: str
     m_plan_id: Optional[str] = None
-    user_id: str
+    user_id: Optional[str]
     agent: str
     agent_type: AgentMessageType
-    timestamp: int
+    timestamp: Optional[str]
     content: str
-    raw_data: str
-    steps: List[Any] = Field(default_factory=list)       
-    next_steps: List[Any] = Field(default_factory=list)  
+    raw_data: Optional[str]
+    steps: List[Any] = Field(default_factory=list)
+    next_steps: List[Any] = Field(default_factory=list)
 
 class WebsocketMessageType(str, Enum):
     """Types of WebSocket messages."""

src/frontend/src/pages/PlanPage.tsx

@@ -437,7 +437,6 @@ const PlanPage: React.FC = () => {
     useEffect(() => {
         const initializePlanLoading = async () => {
             if (!planId) {
-
                 setErrorLoading(true);
                 return;
             }