发布候选：整合桌面端界面与发布稳定化里程碑

frontend/src/runtime/appMetadata.test.ts

@@ -0,0 +1,56 @@
+import { afterEach, describe, expect, it, vi } from "vitest";
+import packageInfo from "../../package.json";
+import { clientRuntime } from "./clientRuntime";
+import { getAppMetadata } from "./appMetadata";
+
+afterEach(() => {
+  Reflect.deleteProperty(window, "__TAURI_INTERNALS__");
+  vi.unstubAllEnvs();
+});
+
+describe("client runtime", () => {
+  it("reports a web runtime with desktop capabilities disabled", () => {
+    expect(getAppMetadata()).toMatchObject({
+      version: packageInfo.version,
+      commit: "local",
+      channel: "local",
+      clientType: "web",
+      platform: "web",
+    });
+    expect(clientRuntime.capabilities()).toEqual({
+      serverConfiguration: false,
+      nativeFiles: false,
+      systemNotifications: false,
+      secureSessionStorage: false,
+      automaticUpdates: false,
+    });
+  });
+
+  it("exposes only the implemented desktop capability", () => {
+    Object.defineProperty(window, "__TAURI_INTERNALS__", { value: {}, configurable: true });
+
+    expect(getAppMetadata().clientType).toBe("desktop");
+    expect(clientRuntime.capabilities().serverConfiguration).toBe(true);
+    expect(clientRuntime.capabilities().secureSessionStorage).toBe(false);
+  });
+
+  it("accepts release build metadata only from the expected CI values", () => {
+    vi.stubEnv("VITE_BUILD_CHANNEL", "release");
+    vi.stubEnv("VITE_BUILD_COMMIT", "0123456789abcdef0123456789abcdef01234567");
+
+    expect(getAppMetadata()).toMatchObject({
+      channel: "release",
+      commit: "0123456789abcdef0123456789abcdef01234567",
+    });
+  });
+
+  it("does not expose arbitrary build metadata strings", () => {
+    vi.stubEnv("VITE_BUILD_CHANNEL", "feature/demo");
+    vi.stubEnv("VITE_BUILD_COMMIT", "token=secret");
+
+    expect(getAppMetadata()).toMatchObject({
+      channel: "local",
+      commit: "local",
+    });
+  });
+});