mcp(fix[window_tools]): Use Window.resize() instead of raw cmd

why: Raw window.cmd("resize-window") skips stderr checking and
self.refresh() that Window.resize() provides.
what:
- Replace raw cmd with window.resize(height=height, width=width)
- Add test for resize_window tool

Author: tony

src/libtmux/mcp/tools/window_tools.py

@@ -300,13 +300,7 @@ def resize_window(
         session_name=session_name,
         session_id=session_id,
     )
-    cmd_args: list[str] = []
-    if width is not None:
-        cmd_args.extend(["-x", str(width)])
-    if height is not None:
-        cmd_args.extend(["-y", str(height)])
-    if cmd_args:
-        window.cmd("resize-window", *cmd_args)
+    window.resize(height=height, width=width)
     return json.dumps(_serialize_window(window))
 
 

tests/mcp/test_window_tools.py

@@ -9,6 +9,7 @@
     kill_window,
     list_panes,
     rename_window,
+    resize_window,
     select_layout,
     split_window,
 )
@@ -81,6 +82,19 @@ def test_select_layout(mcp_server: Server, mcp_session: Session) -> None:
     assert "window_id" in data
 
 
+def test_resize_window(mcp_server: Server, mcp_session: Session) -> None:
+    """resize_window resizes a window."""
+    window = mcp_session.active_window
+    result = resize_window(
+        window_id=window.window_id,
+        height=20,
+        width=60,
+        socket_name=mcp_server.socket_name,
+    )
+    data = json.loads(result)
+    assert data["window_id"] == window.window_id
+
+
 def test_kill_window(mcp_server: Server, mcp_session: Session) -> None:
     """kill_window kills a window."""
     new_window = mcp_session.new_window(window_name="mcp_kill_win")