migrate ai format conversion to responses adapters

frontend/src/features/usage/components/HorizontalRequestTimeline.vue

@@ -546,7 +546,7 @@ interface NodeGroup {
   startIndex: number
   endIndex: number
   hasConversion: boolean  // 组内是否有格式转换候选
-  providerApiFormat: string | null  // 提供商 API 格式（如 openai:cli）
+  providerApiFormat: string | null  // 提供商 API 格式（如 openai:responses）
   isPoolGroup?: boolean
 }
 

frontend/src/features/usage/components/UsageRecordsTable.vue

@@ -754,8 +754,8 @@ const emit = defineEmits<{
 // 静态常量（放在 defineProps/defineEmits 之后）
 const AVAILABLE_API_FORMATS = [
   { value: 'openai:chat', label: 'OpenAI Chat' },
-  { value: 'openai:cli', label: 'OpenAI CLI' },
-  { value: 'openai:compact', label: 'OpenAI Compact' },
+  { value: 'openai:responses', label: 'OpenAI Responses' },
+  { value: 'openai:responses:compact', label: 'OpenAI Responses Compact' },
   { value: 'openai:video', label: 'OpenAI Video' },
   { value: 'claude:chat', label: 'Claude Chat' },
   { value: 'claude:cli', label: 'Claude CLI' },