feat(openai): add Live gateway support

frontend/src/i18n/locales/en/admin/overview.ts

@@ -1095,6 +1095,11 @@ export default {
         targetModelPlaceholder: 'e.g., gpt-5.4',
         removeExactMapping: 'Remove Exact Mapping'
       },
+      openaiLive: {
+        title: 'OpenAI Live',
+        allow: 'Allow Live access',
+        hint: 'When enabled, API keys in this OpenAI group can create and control Live voice sessions. Disabled by default.'
+      },
       invalidRequestFallback: {
         title: 'Invalid Request Fallback Group',
         hint: 'Triggered only when upstream explicitly returns prompt too long. Leave empty to disable fallback.',

frontend/src/i18n/locales/en/dashboard.ts

@@ -317,6 +317,7 @@ export default {
     stream: 'Stream',
     sync: 'Sync',
     cyber: 'Cyber',
+    live: 'Live',
     unknown: 'Unknown',
     in: 'In',
     out: 'Out',

frontend/src/i18n/locales/zh/admin/overview.ts

@@ -1093,6 +1093,11 @@ export default {
         targetModelPlaceholder: '例如: gpt-5.4',
         removeExactMapping: '删除精确映射'
       },
+      openaiLive: {
+        title: 'OpenAI Live',
+        allow: '允许访问 Live',
+        hint: '启用后，此 OpenAI 分组的 API Key 可以创建并控制 Live 语音会话。默认关闭。'
+      },
       invalidRequestFallback: {
         title: '无效请求兜底分组',
         hint: '仅当上游明确返回 prompt too long 时才会触发，留空表示不兜底',

frontend/src/i18n/locales/zh/dashboard.ts

@@ -322,6 +322,7 @@ export default {
     stream: '流式',
     sync: '同步',
     cyber: '安全策略',
+    live: 'Live',
     unknown: '未知',
     in: '输入',
     out: '输出',