Add plan_id field to PlanApprovalResponse

Introduces an optional plan_id attribute to the PlanApprovalResponse dataclass to support referencing the plan by its unique identifier.

Author: Fr4nc3

src/backend/v3/api/router.py

@@ -314,10 +314,14 @@ async def plan_approval(human_feedback: messages.PlanApprovalResponse, request:
     if user_id and human_feedback.plan_dot_id:
         if orchestration_config and human_feedback.plan_dot_id in orchestration_config.approvals:
             orchestration_config.approvals[human_feedback.plan_dot_id] = human_feedback.approved
+            orchestration_config.plans[human_feedback.plan_dot_id]["plan_id"] = human_feedback.plan_id
+            print("Plan approval received:", human_feedback)
+            print("Updated orchestration config:", orchestration_config.plans[human_feedback.plan_dot_id])
             track_event_if_configured(
                 "PlanApprovalReceived",
                 {
-                    "plan_id": human_feedback.plan_dot_id,
+                    "plan_id": human_feedback.plan_id,
+                    "plan_dot_id": human_feedback.plan_dot_id,
                     "approved": human_feedback.approved,
                     "user_id": user_id,
                     "feedback": human_feedback.feedback

src/backend/v3/models/messages.py

@@ -52,6 +52,7 @@ class PlanApprovalResponse:
     plan_dot_id: str
     approved: bool
     feedback: str | None = None
+    plan_id: str | None = None
 
 @dataclass(slots=True)
 class ReplanApprovalRequest: