feat(admin-web/login): replace default test credentials with remembered login

Why: showing the seed admin account on the login screen is unsafe for production deployments.
How to apply: store identifier/password in localStorage when "记住密码" is checked, restore them on mount, and drop the demo credentials panel.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

apps/admin-web/src/i18n/messages/en-US.ts

@@ -95,8 +95,8 @@ const enUS = {
     email: "Email",
     loginIdentifier: "Phone / Email",
     password: "Password",
-    defaultTestAccount: "Default account",
-    defaultTestPassword: "Default password",
+    rememberPassword: "Remember password",
+    forgotPassword: "Forgot password",
   },
   membershipBlocked: {
     eyebrow: "Access Paused",

apps/admin-web/src/i18n/messages/zh-CN.ts

@@ -96,8 +96,8 @@ const zhCN = {
     email: "邮箱",
     loginIdentifier: "手机号 / 邮箱",
     password: "密码",
-    defaultTestAccount: "默认测试账号",
-    defaultTestPassword: "默认测试密码",
+    rememberPassword: "记住密码",
+    forgotPassword: "忘记密码",
   },
   membershipBlocked: {
     eyebrow: "访问已暂停",

apps/admin-web/src/views/LoginView.vue

@@ -40,7 +40,7 @@
             <label for="login-password">{{ t('auth.password') }}</label>
             <div class="password-wrap">
               <input id="login-password" :type="showPassword ? 'text' : 'password'"
-                placeholder="Admin@123" v-model="formState.password" required />
+                :placeholder="t('auth.password')" v-model="formState.password" required />
               <button type="button" class="eye-btn" @click="showPassword = !showPassword">
                 <EyeInvisibleOutlined v-if="showPassword" />
                 <EyeOutlined v-else />
@@ -48,33 +48,22 @@
             </div>
           </div>
           <div class="options">
-            <label class="remember"><input type="checkbox" v-model="remember" /> Remember for 30 days</label>
-            <a href="#" class="forgot">Forgot password?</a>
+            <label class="remember"><input type="checkbox" v-model="remember" /> {{ t('auth.rememberPassword') }}</label>
+            <a href="#" class="forgot">{{ t('auth.forgotPassword') }}</a>
           </div>
-          
+
           <button type="submit" class="btn-primary" :disabled="submitting"
             :style="{ background: primaryColor }">
             {{ submitting ? t('auth.loginAndEnter') + '...' : t('auth.loginAndEnter') }}
           </button>
         </form>
-        
-        <div class="login-credentials">
-          <div class="login-credentials__row">
-            <span>{{ t("auth.defaultTestAccount") }}</span>
-            <strong>admin@geo.local</strong>
-          </div>
-          <div class="login-credentials__row">
-            <span>{{ t("auth.defaultTestPassword") }}</span>
-            <strong>Admin@123</strong>
-          </div>
-        </div>
       </div>
     </div>
   </div>
 </template>
 
 <script setup lang="ts">
-import { reactive, ref } from "vue";
+import { onMounted, reactive, ref } from "vue";
 import { useRoute, useRouter } from "vue-router";
 import { useI18n } from "vue-i18n";
 import { message } from "ant-design-vue";
@@ -84,6 +73,8 @@ import { formatError } from "@/lib/errors";
 import { useAuthStore } from "@/stores/auth";
 import AnimatedCharacters from "@/components/login-animation/AnimatedCharacters.vue";
 
+const REMEMBER_STORAGE_KEY = "geo:admin:login:remember";
+
 const authStore = useAuthStore();
 const router = useRouter();
 const route = useRoute();
@@ -97,10 +88,44 @@ const isTyping = ref(false);
 const remember = ref(false);
 
 const formState = reactive({
-  identifier: "admin@geo.local",
-  password: "Admin@123",
+  identifier: "",
+  password: "",
 });
 
+onMounted(() => {
+  if (typeof window === "undefined") {
+    return;
+  }
+  try {
+    const raw = window.localStorage.getItem(REMEMBER_STORAGE_KEY);
+    if (!raw) {
+      return;
+    }
+    const parsed = JSON.parse(raw) as { identifier?: string; password?: string };
+    if (parsed && typeof parsed.identifier === "string" && typeof parsed.password === "string") {
+      formState.identifier = parsed.identifier;
+      formState.password = parsed.password;
+      remember.value = true;
+    }
+  } catch {
+    window.localStorage.removeItem(REMEMBER_STORAGE_KEY);
+  }
+});
+
+function persistRememberedCredentials(): void {
+  if (typeof window === "undefined") {
+    return;
+  }
+  if (remember.value) {
+    window.localStorage.setItem(
+      REMEMBER_STORAGE_KEY,
+      JSON.stringify({ identifier: formState.identifier, password: formState.password }),
+    );
+  } else {
+    window.localStorage.removeItem(REMEMBER_STORAGE_KEY);
+  }
+}
+
 async function handleSubmit(): Promise<void> {
   if (submitting.value) {
     return;
@@ -110,6 +135,7 @@ async function handleSubmit(): Promise<void> {
 
   try {
     await authStore.login(formState);
+    persistRememberedCredentials();
     const redirect = typeof route.query.redirect === "string" ? route.query.redirect : "/workspace";
     await router.replace(redirect);
   } catch (error) {
@@ -186,30 +212,6 @@ async function handleSubmit(): Promise<void> {
 .btn-primary:hover { opacity: 0.9; }
 .btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }
 
-.login-credentials {
-  margin-top: 24px;
-  padding: 16px;
-  background: #f8fafc;
-  border: 1px solid #e6edf5;
-  border-radius: 12px;
-}
-.login-credentials__row {
-  display: flex;
-  justify-content: space-between;
-  gap: 12px;
-}
-.login-credentials__row + .login-credentials__row {
-  margin-top: 8px;
-}
-.login-credentials__row span {
-  color: var(--muted, #71717a);
-  font-size: 13px;
-}
-.login-credentials__row strong {
-  color: #18181b;
-  font-size: 13px;
-}
-
 @media (max-width: 1023px) {
   .page { grid-template-columns: 1fr; }
   .left { display: none; }