接入 Studio 控件与菜单构建模块

将界面构建从主窗口移出，保留现有业务回调与标定路径。验证结果和完整门禁限制见 docs/architecture/studio-window-refactor-plan.zh.md。

apps/studio/tests/test_window_surfaces.py

@@ -1,4 +1,4 @@
-"""Prepared shell surfaces work without the main window or business wiring."""
+"""Shell surfaces work independently and retain their behavior when wired."""
 
 import pytest
 from orisys_app_shared.i18n import get_translator, set_locale, t
@@ -164,3 +164,73 @@ def test_text_refresh_preserves_controller_owned_action_state(window):
     assert ui.act_reset.text() == "context-dependent reset"
     assert ui.act_pause.isChecked()
     assert not ui.act_run.isEnabled()
+
+
+def test_shell_uses_the_surface_widgets_and_actions(make_window):
+    shell = make_window()
+    assert shell.centralWidget() is shell.ui.central
+    for name in (
+        "brand_bar", "sensor_picker", "toolbar", "status_chip", "analysis_progress",
+        "content_splitter", "mesh3d_panel", "arrow_panel", "force_plots", "cal_panel",
+    ):
+        assert getattr(shell, name) is getattr(shell.ui, name)
+    assert shell.file_menu is shell.menus.file_menu
+    assert shell.act_play is shell.menus.act_play
+    assert shell.act_reset is shell.menus.act_reset
+    assert shell.mesh3d_panel.view is None
+    assert not shell.session.is_running
+
+
+def test_shell_menu_commands_dispatch_once(make_window, monkeypatch):
+    from orisys_studio.app_window import StudioMainWindow
+
+    calls = []
+
+    def handler(name):
+        return lambda self: calls.append(name)
+
+    commands = {
+        "run": "_on_run_shortcut",
+        "stop": "_on_stop_shortcut",
+        "preview": "_on_preview_shortcut",
+        "reset": "_on_reset",
+        "reset_view": "_on_reset_view",
+    }
+    for name, method in commands.items():
+        monkeypatch.setattr(StudioMainWindow, method, handler(name))
+    shell = make_window()
+    calls.clear()
+    for name in commands:
+        action = getattr(shell.menus, f"act_{name}")
+        # No device is attached; exercise dispatch without availability policy.
+        action.setEnabled(True)
+        action.trigger()
+    assert calls == list(commands)
+
+
+def test_shell_appearance_actions_refresh_widgets_and_menus(make_window, qt_app):
+    original_locale = get_translator().locale
+    original_stylesheet = qt_app.styleSheet()
+    shell = make_window()
+    try:
+        background = shell.force_plots.plot_widget.backgroundBrush().color()
+        shell.menus.act_theme_light.trigger()
+        assert shell.prefs["theme"] == "light"
+        assert shell.force_plots.plot_widget.backgroundBrush().color() != background
+        assert shell.menus.act_theme_light.isChecked()
+        assert not shell.menus.act_theme_dark.isChecked()
+        shell.menus.act_lang_en.trigger()
+        assert shell.prefs["language"] == "en_US"
+        assert shell.file_menu.title() == t("menu.file")
+        assert shell.brand_bar.btn_live.text() == t("brand.nav_live")
+        assert shell.act_reset.text() == t("menu.reset")
+        assert shell.toolbar.btn_reset.text() == t("toolbar.reset_sensor")
+        shell.layout_ctl.apply_preset("replay")
+        assert shell.act_reset.text() == t("menu.reset_display")
+        assert shell.toolbar.btn_reset.text() == t("toolbar.reset_display")
+        assert shell.menus.act_lang_en.isChecked()
+        assert not shell.menus.act_lang_zh.isChecked()
+        assert shell.mesh3d_panel.view is None
+    finally:
+        set_locale(original_locale)
+        qt_app.setStyleSheet(original_stylesheet)