fix(登录页): 移除登录页硬编码的默认账号密码

新增单元测试用例验证该改动，确保不会预填硬编码的默认凭据，同时保留记住账号的恢复逻辑

WonderQ-Admin-UI-Vue/src/pages/LoginPage.test.ts

@@ -0,0 +1,15 @@
+import { readFileSync } from "node:fs";
+import { describe, expect, it } from "vitest";
+
+const source = readFileSync(new URL("./LoginPage.vue", import.meta.url), "utf8");
+
+describe("登录页凭据初始化", () => {
+  it("不预填账号和密码，但保留记住密码的账号恢复逻辑", () => {
+    expect(source).toContain("email: rememberedEmail, password: \"\"");
+    expect(source).toContain("rememberMe: Boolean(rememberedEmail)");
+    expect(source).toContain("window.localStorage.setItem(rememberedEmailKey, form.email.trim())");
+    expect(source).toContain("window.localStorage.removeItem(rememberedEmailKey)");
+    expect(source).not.toContain("admin@example.com");
+    expect(source).not.toContain("ChangeMe123!");
+  });
+});

WonderQ-Admin-UI-Vue/src/pages/LoginPage.vue

@@ -10,7 +10,7 @@ const router = useRouter();
 const route = useRoute();
 const rememberedEmailKey = "wonderq-admin-remembered-email";
 const rememberedEmail = typeof window === "undefined" ? "" : window.localStorage.getItem(rememberedEmailKey) ?? "";
-const form = reactive({ email: rememberedEmail || "admin@example.com", password: "ChangeMe123!", captchaId: "", captchaCode: "", rememberMe: Boolean(rememberedEmail) });
+const form = reactive({ email: rememberedEmail, password: "", captchaId: "", captchaCode: "", rememberMe: Boolean(rememberedEmail) });
 const error = ref("");
 const captchaImage = ref("");
 const captchaLoading = ref(false);