发布候选：整合桌面端界面与发布稳定化里程碑

frontend/src/components/Layout.desktop.test.ts

@@ -0,0 +1,37 @@
+import { describe, expect, it } from "vitest";
+import { readFileSync } from "node:fs";
+import { resolve } from "node:path";
+
+const readLayoutSource = () => readFileSync(resolve(__dirname, "./Layout.vue"), "utf8");
+const readDesktopLayoutSource = () => readFileSync(resolve(__dirname, "./DesktopLayout.vue"), "utf8");
+const readWebLayoutSource = () => readFileSync(resolve(__dirname, "./WebLayout.vue"), "utf8");
+const readNavigationSource = () => readFileSync(resolve(__dirname, "./layout/navigation.ts"), "utf8");
+
+describe("desktop layout shell", () => {
+  it("routes desktop and web shells through the runtime flag", () => {
+    const source = readLayoutSource();
+
+    expect(source).toContain("const isDesktop = isTauriRuntime()");
+    expect(source).toContain("<DesktopLayout v-if=\"isDesktop\" />");
+    expect(source).toContain("<WebLayout v-else />");
+  });
+
+  it("uses route-only desktop preference storage", () => {
+    const source = readDesktopLayoutSource();
+
+    expect(source).toContain("readDesktopRecentRoutes");
+    expect(source).toContain("readDesktopFavoriteRoutes");
+    expect(source).toContain("recordDesktopRecentRoute");
+    expect(source).toContain("currentDesktopRoutePreference");
+  });
+
+  it("shares active route mapping between web and desktop shells", () => {
+    const webLayout = readWebLayoutSource();
+    const desktopLayout = readDesktopLayoutSource();
+    const navigation = readNavigationSource();
+
+    expect(webLayout).toContain("getActiveLayoutPath(route.path)");
+    expect(desktopLayout).toContain("getActiveLayoutPath(route.path)");
+    expect(navigation).toContain("export const getActiveLayoutPath");
+  });
+});