fix: localize English UI strings

frontend/src/components/account/CreateAccountModal.vue

@@ -560,18 +560,18 @@
                   Google One
                 </span>
                 <span class="text-xs text-gray-500 dark:text-gray-400">
-                  个人账号，享受 Google One 订阅配额
+                  {{ t('admin.accounts.gemini.oauthType.googleOneDesc') }}
                 </span>
                 <div class="mt-2 flex flex-wrap gap-1">
                   <span
                     class="rounded bg-purple-100 px-2 py-0.5 text-[10px] font-semibold text-purple-700 dark:bg-purple-900/40 dark:text-purple-300"
                   >
-                    推荐个人用户
+                    {{ t('admin.accounts.gemini.oauthType.badges.individuals') }}
                   </span>
                   <span
                     class="rounded bg-emerald-100 px-2 py-0.5 text-[10px] font-semibold text-emerald-700 dark:bg-emerald-900/40 dark:text-emerald-300"
                   >
-                    无需 GCP
+                    {{ t('admin.accounts.gemini.oauthType.badges.noGcp') }}
                   </span>
                 </div>
               </div>
@@ -603,10 +603,10 @@
                   GCP Code Assist
                 </span>
                 <span class="text-xs text-gray-500 dark:text-gray-400">
-                  企业级，需要 GCP 项目
+                  {{ t('admin.accounts.gemini.oauthType.codeAssistDesc') }}
                 </span>
                 <div class="mt-1 text-xs text-gray-500 dark:text-gray-400">
-                  需要激活 GCP 项目并绑定信用卡
+                  {{ t('admin.accounts.gemini.oauthType.codeAssistRequirement') }}
                   <a
                     :href="geminiHelpLinks.gcpProject"
                     class="ml-1 text-blue-600 hover:underline dark:text-blue-400"
@@ -620,12 +620,12 @@
                   <span
                     class="rounded bg-blue-100 px-2 py-0.5 text-[10px] font-semibold text-blue-700 dark:bg-blue-900/40 dark:text-blue-300"
                   >
-                    企业用户
+                    {{ t('admin.accounts.gemini.oauthType.badges.enterprise') }}
                   </span>
                   <span
                     class="rounded bg-emerald-100 px-2 py-0.5 text-[10px] font-semibold text-emerald-700 dark:bg-emerald-900/40 dark:text-emerald-300"
                   >
-                    高并发
+                    {{ t('admin.accounts.gemini.oauthType.badges.highConcurrency') }}
                   </span>
                 </div>
               </div>
@@ -648,7 +648,13 @@
               >
                 <path stroke-linecap="round" stroke-linejoin="round" d="M9 5l7 7-7 7" />
               </svg>
-              <span>{{ showAdvancedOAuth ? '隐藏' : '显示' }}高级选项（自建 OAuth Client）</span>
+              <span>
+                {{
+                  showAdvancedOAuth
+                    ? t('admin.accounts.gemini.oauthType.hideAdvanced')
+                    : t('admin.accounts.gemini.oauthType.showAdvanced')
+                }}
+              </span>
             </button>
           </div>
 
@@ -3072,7 +3078,7 @@
                 rel="noreferrer"
                 class="text-sm text-blue-600 hover:underline dark:text-blue-400"
               >
-                修改归属地
+                {{ t('admin.accounts.gemini.setupGuide.links.countryChange') }}
               </a>
               <span class="text-gray-400">·</span>
               <a

frontend/src/components/account/OAuthAuthorizationFlow.vue

@@ -56,7 +56,7 @@
                 class="text-blue-600 focus:ring-blue-500"
               />
               <span class="text-sm text-blue-900 dark:text-blue-200">{{
-                t('admin.accounts.oauth.openai.mobileRefreshTokenAuth', '手动输入 Mobile RT')
+                t('admin.accounts.oauth.openai.mobileRefreshTokenAuth', 'Manual Mobile RT Input')
               }}</span>
             </label>
             <label v-if="showSessionTokenOption" class="flex cursor-pointer items-center gap-2">
@@ -78,7 +78,7 @@
                 class="text-blue-600 focus:ring-blue-500"
               />
               <span class="text-sm text-blue-900 dark:text-blue-200">{{
-                t('admin.accounts.oauth.openai.accessTokenAuth', '手动输入 AT')
+                t('admin.accounts.oauth.openai.accessTokenAuth', 'Manual AT Input')
               }}</span>
             </label>
             <label v-if="showCodexSessionImportOption" class="flex cursor-pointer items-center gap-2">

frontend/src/components/account/ReAuthAccountModal.vue

@@ -106,7 +106,7 @@
             <span class="text-xs text-gray-500 dark:text-gray-400">
               {{
                 geminiOAuthType === 'google_one'
-                  ? '个人账号'
+                  ? t('admin.accounts.gemini.oauthType.googleOneDesc')
                   : geminiOAuthType === 'code_assist'
                     ? t('admin.accounts.gemini.oauthType.builtInDesc')
                     : t('admin.accounts.gemini.oauthType.customDesc')

frontend/src/components/admin/account/ReAuthAccountModal.vue

@@ -110,7 +110,7 @@
             <span class="text-xs text-gray-500 dark:text-gray-400">
               {{
                 geminiOAuthType === 'google_one'
-                  ? '个人账号'
+                  ? t('admin.accounts.gemini.oauthType.googleOneDesc')
                   : geminiOAuthType === 'code_assist'
                     ? t('admin.accounts.gemini.oauthType.builtInDesc')
                     : t('admin.accounts.gemini.oauthType.customDesc')

frontend/src/components/admin/channel/IntervalRow.vue

@@ -9,27 +9,27 @@
           type="number" min="0" class="input mt-0.5 text-xs" />
       </div>
       <div class="w-20">
-        <label class="text-xs text-gray-400">Max <span class="text-gray-300">(含)</span></label>
+        <label class="text-xs text-gray-400">Max <span class="text-gray-300">(inclusive)</span></label>
         <input :value="interval.max_tokens ?? ''" @input="emitField('max_tokens', toIntOrNull(($event.target as HTMLInputElement).value))"
           type="number" min="0" class="input mt-0.5 text-xs" :placeholder="'∞'" />
       </div>
       <div class="flex-1">
-        <label class="text-xs text-gray-400">{{ t('admin.channels.form.inputPrice', '输入') }} <span v-if="isEmpty" class="text-red-500">*</span> <span class="text-gray-300">$/M</span></label>
+        <label class="text-xs text-gray-400">{{ t('admin.channels.form.inputPrice', 'Input') }} <span v-if="isEmpty" class="text-red-500">*</span> <span class="text-gray-300">$/M</span></label>
         <input :value="interval.input_price" @input="emitField('input_price', ($event.target as HTMLInputElement).value)"
           type="number" step="any" min="0" class="input mt-0.5 text-xs" />
       </div>
       <div class="flex-1">
-        <label class="text-xs text-gray-400">{{ t('admin.channels.form.outputPrice', '输出') }} <span v-if="isEmpty" class="text-red-500">*</span> <span class="text-gray-300">$/M</span></label>
+        <label class="text-xs text-gray-400">{{ t('admin.channels.form.outputPrice', 'Output') }} <span v-if="isEmpty" class="text-red-500">*</span> <span class="text-gray-300">$/M</span></label>
         <input :value="interval.output_price" @input="emitField('output_price', ($event.target as HTMLInputElement).value)"
           type="number" step="any" min="0" class="input mt-0.5 text-xs" />
       </div>
       <div class="flex-1">
-        <label class="text-xs text-gray-400">{{ t('admin.channels.form.cacheWritePrice', '缓存W') }} <span class="text-gray-300">$/M</span></label>
+        <label class="text-xs text-gray-400">{{ t('admin.channels.form.cacheWritePrice', 'Cache W') }} <span class="text-gray-300">$/M</span></label>
         <input :value="interval.cache_write_price" @input="emitField('cache_write_price', ($event.target as HTMLInputElement).value)"
           type="number" step="any" min="0" class="input mt-0.5 text-xs" />
       </div>
       <div class="flex-1">
-        <label class="text-xs text-gray-400">{{ t('admin.channels.form.cacheReadPrice', '缓存R') }} <span class="text-gray-300">$/M</span></label>
+        <label class="text-xs text-gray-400">{{ t('admin.channels.form.cacheReadPrice', 'Cache R') }} <span class="text-gray-300">$/M</span></label>
         <input :value="interval.cache_read_price" @input="emitField('cache_read_price', ($event.target as HTMLInputElement).value)"
           type="number" step="any" min="0" class="input mt-0.5 text-xs" />
       </div>
@@ -39,7 +39,7 @@
     <template v-else>
       <div class="w-24">
         <label class="text-xs text-gray-400">
-          {{ mode === 'image' ? t('admin.channels.form.resolution', '分辨率') : t('admin.channels.form.tierLabel', '层级') }}
+          {{ mode === 'image' ? t('admin.channels.form.resolution', 'Resolution') : t('admin.channels.form.tierLabel', 'Tier') }}
         </label>
         <input :value="interval.tier_label" @input="emitField('tier_label', ($event.target as HTMLInputElement).value)"
           type="text" class="input mt-0.5 text-xs" :placeholder="mode === 'image' ? '1K / 2K / 4K' : ''" />
@@ -50,12 +50,12 @@
           type="number" min="0" class="input mt-0.5 text-xs" />
       </div>
       <div class="w-20">
-        <label class="text-xs text-gray-400">Max <span class="text-gray-300">(含)</span></label>
+        <label class="text-xs text-gray-400">Max <span class="text-gray-300">(inclusive)</span></label>
         <input :value="interval.max_tokens ?? ''" @input="emitField('max_tokens', toIntOrNull(($event.target as HTMLInputElement).value))"
           type="number" min="0" class="input mt-0.5 text-xs" :placeholder="'∞'" />
       </div>
       <div class="flex-1">
-        <label class="text-xs text-gray-400">{{ t('admin.channels.form.perRequestPrice', '单次价格') }} <span v-if="isEmpty" class="text-red-500">*</span> <span class="text-gray-300">$</span></label>
+        <label class="text-xs text-gray-400">{{ t('admin.channels.form.perRequestPrice', 'Price per Request') }} <span v-if="isEmpty" class="text-red-500">*</span> <span class="text-gray-300">$</span></label>
         <input :value="interval.per_request_price" @input="emitField('per_request_price', ($event.target as HTMLInputElement).value)"
           type="number" step="any" min="0" class="input mt-0.5 text-xs" />
       </div>

frontend/src/components/admin/channel/PricingEntryCard.vue

@@ -34,7 +34,7 @@
             v-if="entry.models.length === 0"
             class="text-xs italic text-gray-400"
           >
-            {{ t('admin.channels.form.noModels', '未添加模型') }}
+            {{ t('admin.channels.form.noModels', 'No models added') }}
           </span>
         </div>
 
@@ -48,7 +48,7 @@
 
       <!-- Expanded: show the label "Pricing Entry" or similar -->
       <div v-else class="flex-1 text-xs font-medium text-gray-500 dark:text-gray-400">
-        {{ t('admin.channels.form.pricingEntry', '定价配置') }}
+        {{ t('admin.channels.form.pricingEntry', 'Pricing Entry') }}
       </div>
 
       <!-- Remove button (always visible, stop propagation) -->
@@ -71,19 +71,19 @@
         <div class="mt-3 flex items-start gap-2">
           <div class="flex-1">
             <label class="text-xs font-medium text-gray-500 dark:text-gray-400">
-              {{ t('admin.channels.form.models', '模型列表') }} <span class="text-red-500">*</span>
+              {{ t('admin.channels.form.models', 'Models') }} <span class="text-red-500">*</span>
             </label>
             <ModelTagInput
               :models="entry.models"
               :platform="props.platform"
               @update:models="onModelsUpdate($event)"
-              :placeholder="t('admin.channels.form.modelsPlaceholder', '输入模型名后按回车添加，支持通配符 *')"
+              :placeholder="t('admin.channels.form.modelsPlaceholder', 'Type a model name and press Enter. Wildcard * is supported.')"
               class="mt-1"
             />
           </div>
           <div class="w-40">
             <label class="text-xs font-medium text-gray-500 dark:text-gray-400">
-              {{ t('admin.channels.form.billingMode', '计费模式') }}
+              {{ t('admin.channels.form.billingMode', 'Billing Mode') }}
             </label>
             <Select
               :modelValue="entry.billing_mode"
@@ -98,34 +98,34 @@
         <div v-if="entry.billing_mode === 'token'">
           <!-- Default prices (fallback when no interval matches) -->
           <label class="mt-3 block text-xs font-medium text-gray-500 dark:text-gray-400">
-            {{ t('admin.channels.form.defaultPrices', '默认价格（未命中区间时使用）') }}
+            {{ t('admin.channels.form.defaultPrices', 'Default prices (fallback when no interval matches)') }}
             <span class="ml-1 font-normal text-gray-400">$/MTok</span>
           </label>
           <div class="mt-1 grid grid-cols-2 gap-2 sm:grid-cols-5">
             <div>
-              <label class="text-xs text-gray-400">{{ t('admin.channels.form.inputPrice', '输入') }}</label>
+              <label class="text-xs text-gray-400">{{ t('admin.channels.form.inputPrice', 'Input') }}</label>
               <input :value="entry.input_price" @input="emitField('input_price', ($event.target as HTMLInputElement).value)"
-                type="number" step="any" min="0" class="input mt-0.5 text-sm" :placeholder="t('admin.channels.form.pricePlaceholder', '默认')" />
+                type="number" step="any" min="0" class="input mt-0.5 text-sm" :placeholder="t('admin.channels.form.pricePlaceholder', 'Default')" />
             </div>
             <div>
-              <label class="text-xs text-gray-400">{{ t('admin.channels.form.outputPrice', '输出') }}</label>
+              <label class="text-xs text-gray-400">{{ t('admin.channels.form.outputPrice', 'Output') }}</label>
               <input :value="entry.output_price" @input="emitField('output_price', ($event.target as HTMLInputElement).value)"
-                type="number" step="any" min="0" class="input mt-0.5 text-sm" :placeholder="t('admin.channels.form.pricePlaceholder', '默认')" />
+                type="number" step="any" min="0" class="input mt-0.5 text-sm" :placeholder="t('admin.channels.form.pricePlaceholder', 'Default')" />
             </div>
             <div>
-              <label class="text-xs text-gray-400">{{ t('admin.channels.form.cacheWritePrice', '缓存写入') }}</label>
+              <label class="text-xs text-gray-400">{{ t('admin.channels.form.cacheWritePrice', 'Cache Write') }}</label>
               <input :value="entry.cache_write_price" @input="emitField('cache_write_price', ($event.target as HTMLInputElement).value)"
-                type="number" step="any" min="0" class="input mt-0.5 text-sm" :placeholder="t('admin.channels.form.pricePlaceholder', '默认')" />
+                type="number" step="any" min="0" class="input mt-0.5 text-sm" :placeholder="t('admin.channels.form.pricePlaceholder', 'Default')" />
             </div>
             <div>
-              <label class="text-xs text-gray-400">{{ t('admin.channels.form.cacheReadPrice', '缓存读取') }}</label>
+              <label class="text-xs text-gray-400">{{ t('admin.channels.form.cacheReadPrice', 'Cache Read') }}</label>
               <input :value="entry.cache_read_price" @input="emitField('cache_read_price', ($event.target as HTMLInputElement).value)"
-                type="number" step="any" min="0" class="input mt-0.5 text-sm" :placeholder="t('admin.channels.form.pricePlaceholder', '默认')" />
+                type="number" step="any" min="0" class="input mt-0.5 text-sm" :placeholder="t('admin.channels.form.pricePlaceholder', 'Default')" />
             </div>
             <div>
-              <label class="text-xs text-gray-400">{{ t('admin.channels.form.imageTokenPrice', '图片输出') }}</label>
+              <label class="text-xs text-gray-400">{{ t('admin.channels.form.imageTokenPrice', 'Image Output') }}</label>
               <input :value="entry.image_output_price" @input="emitField('image_output_price', ($event.target as HTMLInputElement).value)"
-                type="number" step="any" min="0" class="input mt-0.5 text-sm" :placeholder="t('admin.channels.form.pricePlaceholder', '默认')" />
+                type="number" step="any" min="0" class="input mt-0.5 text-sm" :placeholder="t('admin.channels.form.pricePlaceholder', 'Default')" />
             </div>
           </div>
 
@@ -133,11 +133,11 @@
           <div class="mt-3">
             <div class="flex items-center justify-between">
               <label class="text-xs font-medium text-gray-500 dark:text-gray-400">
-                {{ t('admin.channels.form.intervals', '上下文区间定价（可选）') }}
+                {{ t('admin.channels.form.intervals', 'Context intervals (optional)') }}
                 <span class="ml-1 font-normal text-gray-400">(min, max]</span>
               </label>
               <button type="button" @click="addInterval" class="text-xs text-primary-600 hover:text-primary-700">
-                + {{ t('admin.channels.form.addInterval', '添加区间') }}
+                + {{ t('admin.channels.form.addInterval', 'Add interval') }}
               </button>
             </div>
             <div v-if="entry.intervals && entry.intervals.length > 0" class="mt-2 space-y-2">
@@ -157,21 +157,21 @@
         <div v-else-if="entry.billing_mode === 'per_request'">
           <!-- Default per-request price -->
           <label class="mt-3 block text-xs font-medium text-gray-500 dark:text-gray-400">
-            {{ t('admin.channels.form.defaultPerRequestPrice', '默认单次价格（未命中层级时使用）') }}
+            {{ t('admin.channels.form.defaultPerRequestPrice', 'Default per-request price (fallback when no tier matches)') }}
             <span class="ml-1 font-normal text-gray-400">$</span>
           </label>
           <div class="mt-1 w-48">
             <input :value="entry.per_request_price" @input="emitField('per_request_price', ($event.target as HTMLInputElement).value)"
-              type="number" step="any" min="0" class="input text-sm" :placeholder="t('admin.channels.form.pricePlaceholder', '默认')" />
+              type="number" step="any" min="0" class="input text-sm" :placeholder="t('admin.channels.form.pricePlaceholder', 'Default')" />
           </div>
 
           <!-- Tiers -->
           <div class="mt-3 flex items-center justify-between">
             <label class="text-xs font-medium text-gray-500 dark:text-gray-400">
-              {{ t('admin.channels.form.requestTiers', '按次计费层级') }}
+              {{ t('admin.channels.form.requestTiers', 'Request Tiers') }}
             </label>
             <button type="button" @click="addInterval" class="text-xs text-primary-600 hover:text-primary-700">
-              + {{ t('admin.channels.form.addTier', '添加层级') }}
+              + {{ t('admin.channels.form.addTier', 'Add tier') }}
             </button>
           </div>
           <div v-if="entry.intervals && entry.intervals.length > 0" class="mt-2 space-y-2">
@@ -185,7 +185,7 @@
             />
           </div>
           <div v-else class="mt-2 rounded border border-dashed border-gray-300 p-3 text-center text-xs text-gray-400 dark:border-dark-500">
-            {{ t('admin.channels.form.noTiersYet', '暂无层级，点击添加配置按次计费价格') }}
+            {{ t('admin.channels.form.noTiersYet', 'No tiers yet. Click add to configure per-request pricing.') }}
           </div>
         </div>
 
@@ -193,21 +193,21 @@
         <div v-else-if="entry.billing_mode === 'image'">
           <!-- Default image price (per-request, same as per_request mode) -->
           <label class="mt-3 block text-xs font-medium text-gray-500 dark:text-gray-400">
-            {{ t('admin.channels.form.defaultImagePrice', '默认图片价格（未命中层级时使用）') }}
+            {{ t('admin.channels.form.defaultImagePrice', 'Default image price (fallback when no tier matches)') }}
             <span class="ml-1 font-normal text-gray-400">$</span>
           </label>
           <div class="mt-1 w-48">
             <input :value="entry.per_request_price" @input="emitField('per_request_price', ($event.target as HTMLInputElement).value)"
-              type="number" step="any" min="0" class="input text-sm" :placeholder="t('admin.channels.form.pricePlaceholder', '默认')" />
+              type="number" step="any" min="0" class="input text-sm" :placeholder="t('admin.channels.form.pricePlaceholder', 'Default')" />
           </div>
 
           <!-- Image tiers -->
           <div class="mt-3 flex items-center justify-between">
             <label class="text-xs font-medium text-gray-500 dark:text-gray-400">
-              {{ t('admin.channels.form.imageTiers', '图片计费层级（按次）') }}
+              {{ t('admin.channels.form.imageTiers', 'Image tiers (per request)') }}
             </label>
             <button type="button" @click="addImageTier" class="text-xs text-primary-600 hover:text-primary-700">
-              + {{ t('admin.channels.form.addTier', '添加层级') }}
+              + {{ t('admin.channels.form.addTier', 'Add tier') }}
             </button>
           </div>
           <div v-if="entry.intervals && entry.intervals.length > 0" class="mt-2 space-y-2">
@@ -255,8 +255,8 @@ const collapsed = ref(props.entry.models.length > 0)
 
 const billingModeOptions = computed(() => [
   { value: 'token', label: 'Token' },
-  { value: 'per_request', label: t('admin.channels.billingMode.perRequest', '按次') },
-  { value: 'image', label: t('admin.channels.billingMode.image', '图片（按次）') }
+  { value: 'per_request', label: t('admin.channels.billingMode.perRequest', 'Per Request') },
+  { value: 'image', label: t('admin.channels.billingMode.image', 'Image (per request)') }
 ])
 
 const billingModeLabel = computed(() => {

frontend/src/components/admin/channel/__tests__/types.spec.ts

@@ -23,7 +23,7 @@ describe('validateIntervals', () => {
         makeInterval({ min_tokens: 0, max_tokens: null, input_price: 1, output_price: 1 }),
         makeInterval({ min_tokens: 200000, max_tokens: 500000, input_price: 2, output_price: 2 }),
       ]
-      expect(validateIntervals(intervals, 'token')).toMatch(/无上限/)
+      expect(validateIntervals(intervals, 'token')).toMatch(/unbounded interval/)
     })
 
     it('accepts unbounded interval at the end', () => {
@@ -39,7 +39,7 @@ describe('validateIntervals', () => {
         makeInterval({ min_tokens: 0, max_tokens: 250000, input_price: 1, output_price: 1 }),
         makeInterval({ min_tokens: 200000, max_tokens: 500000, input_price: 2, output_price: 2 }),
       ]
-      expect(validateIntervals(intervals, 'token')).toMatch(/重叠/)
+      expect(validateIntervals(intervals, 'token')).toMatch(/overlap/)
     })
 
     it('defaults mode to token when omitted', () => {
@@ -47,7 +47,7 @@ describe('validateIntervals', () => {
         makeInterval({ min_tokens: 0, max_tokens: null, input_price: 1, output_price: 1 }),
         makeInterval({ min_tokens: 100, max_tokens: 200, input_price: 2, output_price: 2 }),
       ]
-      expect(validateIntervals(intervals)).toMatch(/无上限/)
+      expect(validateIntervals(intervals)).toMatch(/unbounded interval/)
     })
   })
 
@@ -66,14 +66,14 @@ describe('validateIntervals', () => {
       const intervals: IntervalFormEntry[] = [
         makeInterval({ tier_label: '1K', per_request_price: -1 }),
       ]
-      expect(validateIntervals(intervals, 'image')).toMatch(/不能为负数/)
+      expect(validateIntervals(intervals, 'image')).toMatch(/cannot be negative/)
     })
 
     it('still rejects max <= min on a single tier', () => {
       const intervals: IntervalFormEntry[] = [
         makeInterval({ tier_label: '1K', min_tokens: 100, max_tokens: 50, per_request_price: 0.04 }),
       ]
-      expect(validateIntervals(intervals, 'image')).toMatch(/必须大于/)
+      expect(validateIntervals(intervals, 'image')).toMatch(/must be greater/)
     })
   })
 })

frontend/src/components/admin/channel/types.ts

@@ -143,14 +143,14 @@ export function validateIntervals(
 
 function validateSingleInterval(iv: IntervalFormEntry, idx: number): string | null {
   if (iv.min_tokens < 0) {
-    return `区间 #${idx + 1}: 最小 token 数 (${iv.min_tokens}) 不能为负数`
+    return `Interval #${idx + 1}: minimum token count (${iv.min_tokens}) cannot be negative`
   }
   if (iv.max_tokens != null) {
     if (iv.max_tokens <= 0) {
-      return `区间 #${idx + 1}: 最大 token 数 (${iv.max_tokens}) 必须大于 0`
+      return `Interval #${idx + 1}: maximum token count (${iv.max_tokens}) must be greater than 0`
     }
     if (iv.max_tokens <= iv.min_tokens) {
-      return `区间 #${idx + 1}: 最大 token 数 (${iv.max_tokens}) 必须大于最小 token 数 (${iv.min_tokens})`
+      return `Interval #${idx + 1}: maximum token count (${iv.max_tokens}) must be greater than minimum token count (${iv.min_tokens})`
     }
   }
   return validateIntervalPrices(iv, idx)
@@ -158,15 +158,15 @@ function validateSingleInterval(iv: IntervalFormEntry, idx: number): string | nu
 
 function validateIntervalPrices(iv: IntervalFormEntry, idx: number): string | null {
   const prices: [string, number | string | null][] = [
-    ['输入价格', iv.input_price],
-    ['输出价格', iv.output_price],
-    ['缓存写入价格', iv.cache_write_price],
-    ['缓存读取价格', iv.cache_read_price],
-    ['单次价格', iv.per_request_price],
+    ['input price', iv.input_price],
+    ['output price', iv.output_price],
+    ['cache write price', iv.cache_write_price],
+    ['cache read price', iv.cache_read_price],
+    ['per-request price', iv.per_request_price],
   ]
   for (const [name, val] of prices) {
     if (val != null && val !== '' && Number(val) < 0) {
-      return `区间 #${idx + 1}: ${name}不能为负数`
+      return `Interval #${idx + 1}: ${name} cannot be negative`
     }
   }
   return null
@@ -176,14 +176,14 @@ function checkIntervalOverlap(sorted: IntervalFormEntry[]): string | null {
   for (let i = 0; i < sorted.length; i++) {
     // 无上限区间必须是最后一个
     if (sorted[i].max_tokens == null && i < sorted.length - 1) {
-      return `区间 #${i + 1}: 无上限区间（最大 token 数为空）只能是最后一个`
+      return `Interval #${i + 1}: an unbounded interval (empty maximum token count) must be last`
     }
     if (i === 0) continue
     const prev = sorted[i - 1]
     // (min, max] 语义：前一个区间上界 > 当前区间下界则重叠
     if (prev.max_tokens == null || prev.max_tokens > sorted[i].min_tokens) {
       const prevMax = prev.max_tokens == null ? '∞' : String(prev.max_tokens)
-      return `区间 #${i} 和 #${i + 1} 重叠：前一个区间上界 (${prevMax}) 大于当前区间下界 (${sorted[i].min_tokens})`
+      return `Intervals #${i} and #${i + 1} overlap: previous upper bound (${prevMax}) is greater than current lower bound (${sorted[i].min_tokens})`
     }
   }
   return null

frontend/src/components/auth/DingTalkOAuthSection.vue

@@ -19,7 +19,7 @@
           font-weight="bold"
           fill="white"
           text-anchor="middle"
-        >钉</text>
+        >D</text>
       </svg>
       {{ t('auth.dingtalk.signIn') }}
     </button>

frontend/src/components/auth/LoginAgreementPrompt.vue

@@ -17,7 +17,7 @@
             for="login-agreement-consent"
             class="cursor-pointer text-gray-700 dark:text-dark-200"
           >
-            我已阅读并同意
+            {{ t('legal.loginAgreementPrompt.checkboxPrefix') }}
           </label>
           <template v-for="(doc, index) in documents" :key="doc.id || doc.title">
             <RouterLink
@@ -28,7 +28,7 @@
             >
               {{ doc.title }}
             </RouterLink>
-            <span v-if="index < documents.length - 1">、</span>
+            <span v-if="index < documents.length - 1">{{ t('legal.loginAgreementPrompt.documentSeparator') }}</span>
           </template>
         </p>
       </div>
@@ -42,9 +42,9 @@
     <div class="flex items-start gap-3">
       <Icon name="shield" size="sm" class="mt-0.5 flex-shrink-0 text-primary-600 dark:text-primary-300" />
       <div class="min-w-0 flex-1">
-        <p class="font-medium">继续登录前需要先同意最新条款。</p>
+        <p class="font-medium">{{ t('legal.loginAgreementPrompt.noticeTitle') }}</p>
         <p class="mt-1 text-primary-700 dark:text-primary-200/80">
-          未同意前，账号密码输入和快捷登录会保持禁用。
+          {{ t('legal.loginAgreementPrompt.noticeDescription') }}
         </p>
       </div>
       <button
@@ -52,7 +52,7 @@
         class="flex-shrink-0 rounded-md bg-primary-600 px-3 py-1.5 text-xs font-medium text-white transition hover:bg-primary-700"
         @click="emit('open')"
       >
-        查看条款
+        {{ t('legal.loginAgreementPrompt.viewTerms') }}
       </button>
     </div>
   </div>
@@ -72,7 +72,7 @@
               <div class="min-w-0 flex-1">
                 <div class="flex flex-wrap items-center gap-2">
                   <h2 class="text-xl font-bold tracking-normal text-gray-950 dark:text-white">
-                    条款更新通知
+                    {{ t('legal.loginAgreementPrompt.dialogTitle') }}
                   </h2>
                   <span
                     v-if="updatedAt"
@@ -82,7 +82,11 @@
                   </span>
                 </div>
                 <p class="mt-2 text-sm leading-6 text-gray-600 dark:text-dark-300">
-                  我们的服务条款已于 {{ updatedAt || '近期' }} 更新。在继续使用服务之前，请仔细阅读并同意以下条款。
+                  {{
+                    t('legal.loginAgreementPrompt.dialogDescription', {
+                      date: updatedAt || t('legal.loginAgreementPrompt.recently'),
+                    })
+                  }}
                 </p>
               </div>
             </div>
@@ -90,7 +94,7 @@
 
           <div class="max-h-[58vh] overflow-y-auto px-6 py-5">
             <div class="mb-3 flex items-center justify-between gap-3">
-              <p class="text-sm font-semibold text-gray-900 dark:text-white">相关文档</p>
+              <p class="text-sm font-semibold text-gray-900 dark:text-white">{{ t('legal.loginAgreementPrompt.relatedDocuments') }}</p>
             </div>
             <div class="grid grid-cols-1 gap-3 sm:grid-cols-2">
               <RouterLink
@@ -121,14 +125,14 @@
                 class="rounded-xl border border-gray-200 bg-white px-4 py-3 text-sm font-semibold text-gray-700 transition hover:bg-gray-100 dark:border-dark-700 dark:bg-dark-800 dark:text-dark-200 dark:hover:bg-dark-700"
                 @click="emit('reject')"
               >
-                拒绝
+                {{ t('legal.loginAgreementPrompt.reject') }}
               </button>
               <button
                 type="button"
                 class="rounded-xl bg-primary-600 px-4 py-3 text-sm font-semibold text-white shadow-sm shadow-primary-600/20 transition hover:bg-primary-700"
                 @click="emit('accept')"
               >
-                同意并继续
+                {{ t('legal.loginAgreementPrompt.accept') }}
               </button>
             </div>
           </div>
@@ -140,9 +144,12 @@
 
 <script setup lang="ts">
 import { computed } from 'vue'
+import { useI18n } from 'vue-i18n'
 import Icon from '@/components/icons/Icon.vue'
 import type { LoginAgreementDocument } from '@/types'
 
+const { t } = useI18n()
+
 const props = withDefaults(defineProps<{
   accepted: boolean
   documents: LoginAgreementDocument[]
@@ -184,10 +191,21 @@ function handleCheckboxChange(event: Event): void {
 }
 
 function documentIcon(index: number, title: string): 'document' | 'shield' | 'globe' | 'cog' {
-  if (title.includes('政策') || title.includes('隐私')) {
+  const normalizedTitle = title.toLowerCase()
+  if (
+    normalizedTitle.includes('policy') ||
+    normalizedTitle.includes('privacy') ||
+    title.includes('政策') ||
+    title.includes('隐私')
+  ) {
     return 'shield'
   }
-  if (title.includes('国家') || title.includes('地区')) {
+  if (
+    normalizedTitle.includes('country') ||
+    normalizedTitle.includes('region') ||
+    title.includes('国家') ||
+    title.includes('地区')
+  ) {
     return 'globe'
   }
   if (index === 3) {

frontend/src/components/common/GroupOptionItem.vue

@@ -31,7 +31,7 @@
           <span class="font-bold">{{ userRateMultiplier }}x</span>
         </template>
         <template v-else>
-          {{ rateMultiplier }}x 倍率
+          {{ rateMultiplier }}x {{ t('admin.groups.rateLabel') }}
         </template>
       </span>
       <!-- Checkmark -->
@@ -51,9 +51,12 @@
 
 <script setup lang="ts">
 import { computed } from 'vue'
+import { useI18n } from 'vue-i18n'
 import GroupBadge from './GroupBadge.vue'
 import type { SubscriptionType, GroupPlatform } from '@/types'
 
+const { t } = useI18n()
+
 interface Props {
   name: string
   platform: GroupPlatform