feat(risk-control): add content moderation audit

frontend/src/views/admin/SettingsView.vue

@@ -4264,6 +4264,39 @@
           </div>
         </div>
 
+        <div class="card">
+          <div class="border-b border-gray-100 px-6 py-4 dark:border-dark-700">
+            <h2 class="text-lg font-semibold text-gray-900 dark:text-white">
+              {{ t('admin.settings.features.riskControl.title') }}
+            </h2>
+            <p class="mt-1 text-sm text-gray-500 dark:text-gray-400">
+              {{ t('admin.settings.features.riskControl.description') }}
+            </p>
+            <p class="mt-1.5 text-xs">
+              <router-link
+                to="/admin/risk-control"
+                class="inline-flex items-center gap-1 text-primary-600 hover:underline dark:text-primary-400"
+              >
+                {{ t('admin.settings.features.riskControl.configureLink') }}
+                <span aria-hidden="true">→</span>
+              </router-link>
+            </p>
+          </div>
+          <div class="space-y-5 p-6">
+            <div class="flex items-center justify-between">
+              <div>
+                <label class="text-sm font-medium text-gray-700 dark:text-gray-300">
+                  {{ t('admin.settings.features.riskControl.enabled') }}
+                </label>
+                <p class="mt-0.5 text-xs text-gray-500 dark:text-gray-400">
+                  {{ t('admin.settings.features.riskControl.enabledHint') }}
+                </p>
+              </div>
+              <Toggle v-model="form.risk_control_enabled" />
+            </div>
+          </div>
+        </div>
+
         <!-- Affiliate (邀请返利) feature card -->
         <div class="card">
           <div class="border-b border-gray-100 px-6 py-4 dark:border-dark-700">
@@ -5828,6 +5861,7 @@ const form = reactive<SettingsForm>({
   backend_mode_enabled: false,
   hide_ccs_import_button: false,
   payment_enabled: false,
+  risk_control_enabled: false,
   payment_min_amount: 1,
   payment_max_amount: 10000,
   payment_daily_limit: 50000,
@@ -6863,6 +6897,7 @@ async function saveSettings() {
         form.enable_anthropic_cache_ttl_1h_injection,
       // Payment configuration
       payment_enabled: form.payment_enabled,
+      risk_control_enabled: form.risk_control_enabled,
       payment_min_amount: Number(form.payment_min_amount) || 0,
       payment_max_amount: Number(form.payment_max_amount) || 0,
       payment_daily_limit: Number(form.payment_daily_limit) || 0,

frontend/src/views/auth/LoginView.vue

@@ -186,6 +186,7 @@ import TurnstileWidget from '@/components/TurnstileWidget.vue'
 import { useAuthStore, useAppStore } from '@/stores'
 import { getPublicSettings, isTotp2FARequired, isWeChatWebOAuthEnabled } from '@/api/auth'
 import type { TotpLoginResponse } from '@/types'
+import { extractI18nErrorMessage } from '@/utils/apiError'
 import { clearAllAffiliateReferralCodes } from '@/utils/oauthAffiliate'
 
 const { t } = useI18n()
@@ -369,16 +370,7 @@ async function handleLogin(): Promise<void> {
       turnstileToken.value = ''
     }
 
-    // Handle login error
-    const err = error as { message?: string; response?: { data?: { detail?: string } } }
-
-    if (err.response?.data?.detail) {
-      errorMessage.value = err.response.data.detail
-    } else if (err.message) {
-      errorMessage.value = err.message
-    } else {
-      errorMessage.value = t('auth.loginFailed')
-    }
+    errorMessage.value = extractI18nErrorMessage(error, t, 'auth.errors', t('auth.loginFailed'))
 
     // Also show error toast
     appStore.showError(errorMessage.value)