fix(terminal): reconnect suppress next output

Signed-off-by: fufesou <linlong1266@gmail.com>

flutter/lib/desktop/pages/terminal_page.dart

@@ -58,8 +58,7 @@ class _TerminalPageState extends State<TerminalPage>
     super.initState();
 
     // Listen for tab selection changes to request focus
-    _tabStateSubscription =
-        widget.tabController.state.listen(_onTabStateChanged);
+    _tabStateSubscription = widget.tabController.state.listen(_onTabStateChanged);
 
     // Use shared FFI instance from connection manager
     _ffi = TerminalConnectionManager.getConnection(
@@ -146,9 +145,7 @@ class _TerminalPageState extends State<TerminalPage>
     // Use post-frame callback to ensure widget is fully laid out in focus tree
     WidgetsBinding.instance.addPostFrameCallback((_) {
       // Re-check conditions after frame: mounted, focusable, still selected, not already focused
-      if (!mounted ||
-          !_terminalFocusNode.canRequestFocus ||
-          _terminalFocusNode.hasFocus) return;
+      if (!mounted || !_terminalFocusNode.canRequestFocus || _terminalFocusNode.hasFocus) return;
       final state = widget.tabController.state.value;
       if (state.selected >= 0 && state.selected < state.tabs.length) {
         if (state.tabs[state.selected].key == widget.tabKey) {

flutter/lib/models/terminal_model.dart

@@ -288,8 +288,7 @@ class TerminalModel with ChangeNotifier {
       // On reconnect, the server may replay recent output. That replay can include
       // terminal queries like DSR/DA; xterm answers them through onOutput as
       // "^[[1;1R^[[2;2R^[[>0;0;0c", which must not be sent back to the peer.
-      _suppressNextTerminalDataOutput =
-          message == 'Reconnected to existing terminal with pending output';
+      _suppressNextTerminalDataOutput = evt['replay_in_next_data'] == true;
 
       // Fallback: if terminal view is not yet ready but already has valid
       // dimensions (e.g. layout completed before open response arrived),