diff --git a/.pql/pql-plan.json b/.pql/pql-plan.json
index dfc998bc..14e70dd6 100644
--- a/.pql/pql-plan.json
+++ b/.pql/pql-plan.json
@@ -1,5 +1,5 @@
 {
-  "exported_at": "2026-05-01T07:24:10Z",
+  "exported_at": "2026-05-01T09:40:12Z",
   "decisions": [
     {
       "id": "D-1",
diff --git a/lib/builtin/claude/src/claude_pane.dart b/lib/builtin/claude/src/claude_pane.dart
index 3bf7d8ae..1112e9c4 100644
--- a/lib/builtin/claude/src/claude_pane.dart
+++ b/lib/builtin/claude/src/claude_pane.dart
@@ -65,6 +65,7 @@ class _ClaudePaneState extends State<ClaudePane> {
 
   @override
   void dispose() {
+    _resizeTimer?.cancel();
     _eventSub?.cancel();
     _eventSub = null;
     final id = _paneId;
@@ -203,6 +204,8 @@ class _ClaudePaneState extends State<ClaudePane> {
     _ipc()?.request('pane.write', args: {'id': id, 'text': text});
   }
 
+  Timer? _resizeTimer;
+
   void _onResize(int cols, int rows, int _, int __) {
     if (!_spawned) {
       // First resize — TerminalView has real dimensions now.
@@ -210,9 +213,14 @@ class _ClaudePaneState extends State<ClaudePane> {
       _spawnWhenReady();
       return;
     }
-    final id = _paneId;
-    if (id == null) return;
-    _ipc()?.request('pane.resize', args: {'id': id, 'cols': cols, 'rows': rows});
+    // Debounce resize — rapid SIGWINCH during window drag corrupts
+    // the terminal rendering. Wait for the resize to settle.
+    _resizeTimer?.cancel();
+    _resizeTimer = Timer(const Duration(milliseconds: 150), () {
+      final id = _paneId;
+      if (id == null) return;
+      _ipc()?.request('pane.resize', args: {'id': id, 'cols': cols, 'rows': rows});
+    });
   }
 
   DaemonClient? _ipc() => _kernel()?.ipc;
diff --git a/lib/src/pty/native_pty.dart b/lib/src/pty/native_pty.dart
index e03153bb..3effac60 100644
--- a/lib/src/pty/native_pty.dart
+++ b/lib/src/pty/native_pty.dart
@@ -278,6 +278,10 @@ class NativePty {
       ..ref.wsCol = cols;
     _ioctl(_fd, _kTiocsWinsz, ws);
     calloc.free(ws);
+    // Explicitly signal the child to re-query its terminal size.
+    // macOS should auto-send SIGWINCH on TIOCSWINSZ, but the legacy
+    // Python implementation sent it explicitly for reliability.
+    _nativeKill(pid, 28); // SIGWINCH = 28 on macOS/Linux
   }
 
   /// Send a signal to the child.
diff --git a/lib/widgets/src/clide_pty_view.dart b/lib/widgets/src/clide_pty_view.dart
index 0fbc609f..8097bef1 100644
--- a/lib/widgets/src/clide_pty_view.dart
+++ b/lib/widgets/src/clide_pty_view.dart
@@ -54,7 +54,7 @@ class ClidePtyView extends StatelessWidget {
             fontFamily: clideMonoFamily,
             fontFamilyFallback: clideMonoFamilyFallback,
           ),
-          padding: const EdgeInsets.all(8),
+          padding: EdgeInsets.zero,
           backgroundOpacity: 1,
           cursorType: TerminalCursorType.block,
         ),
diff --git a/macos/Runner/Base.lproj/MainMenu.xib b/macos/Runner/Base.lproj/MainMenu.xib
index 06afcd8e..d8976328 100644
--- a/macos/Runner/Base.lproj/MainMenu.xib
+++ b/macos/Runner/Base.lproj/MainMenu.xib
@@ -332,7 +332,7 @@
         </menu>
         <window title="APP_NAME" allowsToolTipsWhenApplicationIsInactive="NO" autorecalculatesKeyViewLoop="NO" releasedWhenClosed="NO" animationBehavior="default" id="QvC-M9-y7g" customClass="MainFlutterWindow" customModule="Runner" customModuleProvider="target">
             <windowStyleMask key="styleMask" titled="YES" closable="YES" miniaturizable="YES" resizable="YES"/>
-            <rect key="contentRect" x="335" y="390" width="1280" height="720"/>
+            <rect key="contentRect" x="200" y="200" width="1600" height="900"/>
             <rect key="screenRect" x="0.0" y="0.0" width="2560" height="1577"/>
             <view key="contentView" wantsLayer="YES" id="EiT-Mj-1SZ">
                 <rect key="frame" x="0.0" y="0.0" width="1280" height="720"/>