fix(tui): preserve ExitPlanMode plan path after mode cycling (#1329)

Co-authored-by: Letta Code <noreply@letta.com>

src/cli/App.tsx

@@ -12372,8 +12372,11 @@ ${SYSTEM_REMINDER_CLOSE}
       const isLast = currentIndex + 1 >= pendingApprovals.length;
 
       // Capture plan file path BEFORE exiting plan mode (for post-approval rendering)
-      const planFilePath = permissionMode.getPlanFilePath();
-      lastPlanFilePathRef.current = planFilePath;
+      const planFilePath =
+        permissionMode.getPlanFilePath() ?? lastPlanFilePathRef.current;
+      if (planFilePath) {
+        lastPlanFilePathRef.current = planFilePath;
+      }
 
       // Exit plan mode
       const restoreMode = acceptEdits
@@ -12484,16 +12487,6 @@ ${SYSTEM_REMINDER_CLOSE}
         if (hasUsablePlan) {
           // User likely cycled out of plan mode (e.g., Shift+Tab to acceptEdits/yolo)
           // Keep approval flow alive and let ExitPlanMode proceed using fallback plan path.
-          const statusId = uid("status");
-          buffersRef.current.byId.set(statusId, {
-            kind: "status",
-            id: statusId,
-            lines: [
-              "ℹ️ Plan mode switched, continuing ExitPlanMode with saved plan file",
-            ],
-          });
-          buffersRef.current.order.push(statusId);
-          refreshDerived();
           return;
         }