merge main 并修复与 #5730 的语义冲突

main 侧 #5730 新增的 openai_gateway_cn_fixes_test.go 按旧 11 参签名调用
calculateOpenAIRecordUsageCost；本分支为该函数新增了第 12 个参数
pricingAt。文本无冲突但 test build 会失败，此处按本分支对同类测试
调用点的既有处理方式补传 time.Time{}。

frontend/src/components/account/CNProviderBalanceCell.vue

@@ -113,7 +113,9 @@ const formatEntry = (entry: CNProviderBalanceEntry): string => {
 
 const balanceLabel = computed(() => {
   if (currentEntries.value.length === 0) {
-    return t('admin.accounts.grokBalance')?.trim() || 'Balance'
+    // 修复:此前误引 admin.accounts.grokBalance(实际嵌套在 usageWindow 下),
+    // 未命中时渲染原始 key。CN 供应商使用自己的占位键。
+    return t('admin.accounts.cnProviders.balance')
   }
   return currentEntries.value.map(formatEntry).join(' · ')
 })

frontend/src/components/common/GroupBadge.vue

@@ -162,6 +162,15 @@ const labelClass = computed(() => {
   if (props.platform === 'grok') {
     return `${base} bg-zinc-300/70 text-zinc-800 dark:bg-zinc-700/60 dark:text-zinc-200`
   }
+  if (props.platform === 'kimi') {
+    return `${base} bg-pink-200/60 text-pink-800 dark:bg-pink-800/40 dark:text-pink-300`
+  }
+  if (props.platform === 'zhipu') {
+    return `${base} bg-indigo-200/60 text-indigo-800 dark:bg-indigo-800/40 dark:text-indigo-300`
+  }
+  if (props.platform === 'deepseek') {
+    return `${base} bg-teal-200/60 text-teal-800 dark:bg-teal-800/40 dark:text-teal-300`
+  }
   if (props.platform === 'composite') {
     return `${base} bg-cyan-200/70 text-cyan-900 dark:bg-cyan-900/50 dark:text-cyan-300`
   }
@@ -200,6 +209,21 @@ const badgeClass = computed(() => {
       ? 'bg-zinc-200 text-zinc-800 dark:bg-zinc-700 dark:text-zinc-100'
       : 'bg-zinc-100 text-zinc-700 dark:bg-zinc-800 dark:text-zinc-200'
   }
+  if (props.platform === 'kimi') {
+    return isSubscription.value
+      ? 'bg-pink-100 text-pink-700 dark:bg-pink-900/30 dark:text-pink-400'
+      : 'bg-pink-50 text-pink-700 dark:bg-pink-900/20 dark:text-pink-400'
+  }
+  if (props.platform === 'zhipu') {
+    return isSubscription.value
+      ? 'bg-indigo-100 text-indigo-700 dark:bg-indigo-900/30 dark:text-indigo-400'
+      : 'bg-indigo-50 text-indigo-700 dark:bg-indigo-900/20 dark:text-indigo-400'
+  }
+  if (props.platform === 'deepseek') {
+    return isSubscription.value
+      ? 'bg-teal-100 text-teal-700 dark:bg-teal-900/30 dark:text-teal-400'
+      : 'bg-teal-50 text-teal-700 dark:bg-teal-900/20 dark:text-teal-400'
+  }
   if (props.platform === 'composite') {
     return isSubscription.value
       ? 'bg-cyan-100 text-cyan-800 dark:bg-cyan-900/30 dark:text-cyan-300'