🐛 fix(window): 修复 Windows 启动最大化显示不全

- 校验原生窗口状态与 WebView2 surface 覆盖率
- 在窗口线程刷新 WebView2 bounds，并为异步窗口命令增加状态屏障
- 完善工作区兜底和多显示器坐标转换
- 补充启动最大化、状态轮询及跨平台回归测试

Fixes #824

internal/webserver/server.go

@@ -39,6 +39,7 @@ var desktopOnlyAppMethods = map[string]struct{}{
 	"SetMacNativeWindowControls":    {},
 	"SetApplicationBrandIcon":       {},
 	"ResetWebViewZoom":              {},
+	"RefreshWebViewBounds":          {},
 	"SelectDataRootDirectory":       {},
 	"GetDataRootDirectoryInfo":      {},
 	"ApplyDataRootDirectory":        {},

internal/webserver/server_test.go

@@ -108,6 +108,7 @@ func TestMethodInvokerRejectsDesktopOnlyAppMethodsBeforeReflection(t *testing.T)
 		"ExportDatabaseSQLWithOptions", "ExportSchemaSQLWithOptions",
 		"ApplyDataRootDirectory", "OpenDataRootDirectory", "SelectLogDirectory", "ApplyLogDirectory", "OpenLogDirectory",
 		"SelectSavedQueryDirectory", "ApplySavedQueryDirectory", "OpenSavedQueryDirectory", "RevealSavedQueryInFolder", "SetApplicationBrandIcon",
+		"RefreshWebViewBounds",
 	} {
 		_, err := invoker.Invoke(invokeRequest{Namespace: "app", Receiver: "app", Method: method})
 		if err == nil || !strings.Contains(err.Error(), "unavailable in web runtime") {