🐛 fix(window): 修复 Windows 恢复窗口后字体模糊

- Windows 从任务栏恢复窗口时直接触发 WebView2 zoom reset
- restore 场景不再依赖 viewport ratio drift 判断
- 覆盖最大化和非最大化窗口的恢复修复路径
- 保留最大化窗口零动画修复，避免二次最大化抖动
- 补充窗口恢复策略和 App 自动修复路径测试

frontend/package.json.md5

@@ -1 +1 @@
-d0464f9da25e9356e61652e638c99ffe
+0295a42fd931778d85157816d79d29e5

frontend/src/App.tool-center.test.ts

@@ -183,6 +183,14 @@ describe('tool center menu entries', () => {
     expect(appSource).toContain('switchActiveTabByOffset, themeMode');
   });
 
+  it('automatically resets WebView2 zoom when a Windows taskbar restore returns focus', () => {
+    expect(appSource).toContain('shouldResetWebViewZoomForScaleFix(reason, hasViewportScaleDrift)');
+    expect(appSource).toContain('const shouldResetWebViewZoom = shouldResetWebViewZoomForScaleFix(reason, hasViewportScaleDrift);');
+    expect(appSource).toContain('if (shouldResetWebViewZoom && !isMaximised)');
+    expect(appSource).toContain('const res = await (window as any).go?.app?.App?.ResetWebViewZoom?.();');
+    expect(appSource).toContain('该异常不一定表现为 viewport ratio drift');
+  });
+
   it('keeps titlebar double-click on maximise while shortcuts may enter macOS fullscreen', () => {
     expect(appSource).toContain('const handleTitleBarWindowToggle = async (options?: { allowMacNativeFullscreen?: boolean }) => {');
     expect(appSource).toContain('const allowMacNativeFullscreen = options?.allowMacNativeFullscreen === true;');

frontend/src/App.tsx

@@ -883,15 +883,28 @@ function App() {
                   devicePixelRatio: Number(window.devicePixelRatio) || 1,
                   visualViewportScale: window.visualViewport?.scale,
               });
+              const shouldResetWebViewZoom = shouldResetWebViewZoomForScaleFix(reason, hasViewportScaleDrift);
+
+              if (shouldResetWebViewZoom && !isMaximised) {
+                  try {
+                      const res = await (window as any).go?.app?.App?.ResetWebViewZoom?.();
+                      if (!res?.success) {
+                          console.warn('ResetWebViewZoom unavailable in fixWindowScaleIfNeeded:', res?.message);
+                      }
+                  } catch (e) {
+                      console.warn('ResetWebViewZoom call failed in fixWindowScaleIfNeeded', e);
+                  }
+              }
 
               if (isMaximised) {
                   if (!shouldToggleMaximisedWindowForScaleFix(reason, hasViewportScaleDrift)) {
-                      // restore + drift（任务栏点击恢复后字体异常变大）的零感知修复路径：
+                      // restore（任务栏点击恢复后字体异常变大/变糊）的零感知修复路径：
                       // 调 backend App.ResetWebViewZoom 触发 WebView2 ICoreWebView2Controller::put_ZoomFactor(1.0)，
-                      // 让 WebView2 重算 D2D/DirectWrite 字体度量。完全不动窗口、零动画。
+                      // 让 WebView2 重算 D2D/DirectWrite 字体度量。该异常不一定表现为 viewport ratio drift，
+                      // 所以 restore 场景不能依赖 hasViewportScaleDrift。完全不动窗口、零动画。
                       // backend 失败（wails 升级破坏反射 / 非 Windows）时回退到 dispatch resize 兜底；
                       // 用户仍可按 Ctrl+Shift+0 手动 toggle 修复。
-                      if (shouldResetWebViewZoomForScaleFix(reason, hasViewportScaleDrift)) {
+                      if (shouldResetWebViewZoom) {
                           try {
                               const res = await (window as any).go?.app?.App?.ResetWebViewZoom?.();
                               if (!res?.success) {

frontend/src/utils/windowStateUi.test.ts

@@ -27,9 +27,11 @@ describe('windowStateUi', () => {
     expect(shouldToggleMaximisedWindowForScaleFix('restore', true)).toBe(false);
   });
 
-  it('only calls the backend WebView2 zoom reset after a real restore drift', () => {
+  it('calls the backend WebView2 zoom reset whenever a minimized window is restored', () => {
     expect(shouldResetWebViewZoomForScaleFix('restore', true)).toBe(true);
-    expect(shouldResetWebViewZoomForScaleFix('restore', false)).toBe(false);
+    // 字体模糊/DirectWrite 度量缓存异常不一定表现为 viewport ratio drift，
+    // 因此任务栏恢复场景必须直接走零动画 WebView2 zoom reset。
+    expect(shouldResetWebViewZoomForScaleFix('restore', false)).toBe(true);
     expect(shouldResetWebViewZoomForScaleFix('activation', true)).toBe(false);
     expect(shouldResetWebViewZoomForScaleFix('ratio-change', true)).toBe(false);
   });

frontend/src/utils/windowStateUi.ts

@@ -22,8 +22,8 @@ export const shouldToggleMaximisedWindowForScaleFix = (
 
 export const shouldResetWebViewZoomForScaleFix = (
   reason: WindowScaleFixReason,
-  hasViewportScaleDrift: boolean,
-): boolean => reason === 'restore' && hasViewportScaleDrift;
+  _hasViewportScaleDrift: boolean,
+): boolean => reason === 'restore';
 
 export const resolveWindowsScaleCheckDelayMs = (trigger: WindowsScaleCheckTrigger): number =>
   trigger === 'resize' ? 240 : 0;