feat: MongoDB 仅保留连接状态 + 站点级密码门禁(WEBPASSWORD)

app/layouts/default.vue

@@ -45,7 +45,7 @@ const mongoPill = computed(() => {
             <i class="dot" />
             {{ health?.webTorrent ? '磁力解析就绪' : '磁力解析不可用' }}
           </span>
-          <NuxtLink to="/settings" class="pill" :class="mongoPill.cls" :title="health?.mongo.error || ''">
+          <NuxtLink to="/settings" class="pill" :class="mongoPill.cls">
             <i class="dot" />
             {{ mongoPill.text }}
           </NuxtLink>

app/pages/gate.vue

@@ -0,0 +1,83 @@
+<script setup lang="ts">
+import { ref } from 'vue'
+
+const password = ref('')
+const error = ref('')
+const loading = ref(false)
+
+async function unlock() {
+  if (!password.value) {
+    error.value = '请输入密码'
+    return
+  }
+  loading.value = true
+  error.value = ''
+  try {
+    const res = await $fetch<{ ok?: boolean; enabled?: boolean }>('/api/unlock', {
+      method: 'POST',
+      body: { password: password.value }
+    })
+    if (res && (res.ok || res.enabled === false)) {
+      await navigateTo('/', { reload: true })
+    }
+  } catch (e: unknown) {
+    const msg = (e as { data?: { statusMessage?: string } })?.data?.statusMessage
+    error.value = msg === 'invalid password' ? '密码错误' : '验证失败'
+  } finally {
+    loading.value = false
+  }
+}
+</script>
+
+<template>
+  <div class="gate">
+    <form class="gate-card" @submit.prevent="unlock">
+      <div class="brand-mark big">BT</div>
+      <h1>需要密码</h1>
+      <p class="mute">请输入访问密码以进入</p>
+      <input
+        v-model="password"
+        type="password"
+        class="input"
+        placeholder="访问密码"
+        autofocus
+        @keyup.enter="unlock"
+      />
+      <button class="btn btn-primary" type="submit" :disabled="loading">
+        <span v-if="loading" class="spin" />
+        {{ loading ? '验证中' : '进入' }}
+      </button>
+      <p v-if="error" class="err small">{{ error }}</p>
+    </form>
+  </div>
+</template>
+
+<style scoped>
+.gate {
+  min-height: 70vh;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+.gate-card {
+  width: 320px;
+  max-width: 90vw;
+  border: 1px solid var(--line);
+  border-radius: 16px;
+  background: var(--panel);
+  padding: 28px 24px;
+  text-align: center;
+  display: flex;
+  flex-direction: column;
+  gap: 12px;
+}
+.brand-mark.big {
+  width: 56px;
+  height: 56px;
+  font-size: 22px;
+  margin: 0 auto;
+}
+.gate-card input {
+  text-align: center;
+}
+</style>

app/pages/settings.vue

@@ -321,7 +321,6 @@ onMounted(load)
           <dt>MongoDB</dt>
           <dd>
             <span :class="health?.mongo.ok ? 'ok' : 'err'">{{ health?.mongo.ok ? '已连接' : '未连接' }}</span>
-            <div v-if="health?.mongo.error" class="small err mono break">{{ health.mongo.error }}</div>
           </dd>
           <dt>磁力解析</dt>
           <dd :class="health?.webTorrent ? 'ok' : 'err'">

app/types/api.ts

@@ -95,7 +95,7 @@ export interface ClientsResponse {
 export interface HealthResponse {
   ok: boolean
   time: string
-  mongo: { ok: boolean; error: string | null }
+  mongo: { ok: boolean }
   webTorrent: boolean
   providers: { id: string; label: string; homepage: string }[]
   enabledProviders: string[]

app/utils/i18n-dict.ts

@@ -225,7 +225,17 @@ export const zh2en: Record<string, string> = {
   '点击关键词直接搜索': 'Click a keyword to search',
   '已写入 MongoDB': 'Saved to MongoDB',
   'MongoDB 未连接，未记录': 'MongoDB not connected, not recorded',
-  'MongoDB 未连接，搜索记录与种子缓存不会被保存（其余功能可用）。在 .env 配置正确的 MONGODB_URI 后刷新即可。': 'MongoDB not connected; search history and torrent cache will not be saved (other features still work). Set a valid MONGODB_URI in .env and refresh.'
+  'MongoDB 未连接，搜索记录与种子缓存不会被保存（其余功能可用）。在 .env 配置正确的 MONGODB_URI 后刷新即可。': 'MongoDB not connected; search history and torrent cache will not be saved (other features still work). Set a valid MONGODB_URI in .env and refresh.',
+
+  // ===== 访问密码门禁 =====
+  '需要密码': 'Password required',
+  '请输入访问密码以进入': 'Enter the access password to continue',
+  '访问密码': 'Access password',
+  '进入': 'Enter',
+  '验证中': 'Verifying…',
+  '密码错误': 'Wrong password',
+  '验证失败': 'Verification failed',
+  '请输入密码': 'Please enter the password'
 }
 
 export const en2zh: Record<string, string> = Object.fromEntries(