feat(frontend): Responses WebSocket 配置与用量展示

provider 表单支持开启 Responses WebSocket；用量列表、状态与详情
区分 WebSocket 请求。

frontend/src/api/endpoints/providers.ts

@@ -55,6 +55,7 @@ function normalizeProviderSummary(
     kiro_simulated_cache_enabled: provider.kiro_simulated_cache_enabled ?? false,
     max_transfer_count: provider.max_transfer_count ?? 0,
     max_transfer_timeout_seconds: provider.max_transfer_timeout_seconds ?? 0,
+    responses_websocket_enabled: provider.responses_websocket_enabled ?? false,
   }
 }
 
@@ -115,6 +116,7 @@ export async function updateProvider(
     website: string
     provider_priority: number
     keep_priority_on_conversion: boolean
+    responses_websocket_enabled: boolean
     billing_type: 'monthly_quota' | 'pay_as_you_go' | 'free_tier'
     monthly_quota_usd: number
     quota_reset_day: number
@@ -158,6 +160,7 @@ export async function createProvider(
     quota_expires_at?: string
     provider_priority?: number
     keep_priority_on_conversion?: boolean
+    responses_websocket_enabled?: boolean
     is_active?: boolean
     max_retries?: number
     max_transfer_count?: number

frontend/src/api/endpoints/types/provider.ts

@@ -185,9 +185,14 @@ export interface CodexProviderConfig {
   [key: string]: unknown
 }
 
+export interface ResponsesWebSocketProviderConfig {
+  enabled: boolean
+}
+
 export interface ProviderConfig {
   chat_pii_redaction?: ChatPiiRedactionProviderConfig
   codex?: CodexProviderConfig
+  responses_websocket?: ResponsesWebSocketProviderConfig
   pool_advanced?: PoolAdvancedConfig
   failover_rules?: FailoverRulesConfig
   claude_code_advanced?: ClaudeCodeAdvancedConfig
@@ -913,6 +918,7 @@ export interface ProviderWithEndpointsSummary {
   ops_architecture_id?: string  // 扩展操作使用的架构 ID（如 cubence, anyrouter）
   codex_fingerprint_convergence_enabled?: boolean
   kiro_simulated_cache_enabled?: boolean
+  responses_websocket_enabled?: boolean
   ops_quota_alert_enabled?: boolean
   created_at: string
   updated_at: string

frontend/src/api/me.ts

@@ -73,6 +73,7 @@ export interface UsageRecordDetail {
   updated_at?: string | null
   response_time_updated_at?: string | null
   is_stream: boolean
+  is_websocket?: boolean
   upstream_is_stream?: boolean
   client_requested_stream?: boolean
   client_is_stream?: boolean
@@ -370,6 +371,7 @@ export const meApi = {
       api_format?: string | null
       endpoint_api_format?: string | null
       is_stream?: boolean | null
+      is_websocket?: boolean | null
       upstream_is_stream?: boolean | null
       client_requested_stream?: boolean | null
       client_is_stream?: boolean | null

frontend/src/api/usage.ts

@@ -33,6 +33,7 @@ export interface UsageRecord {
   first_byte_time_ms?: number | null
   end_to_end_time_ms?: number | null
   end_to_end_first_byte_time_ms?: number | null
+  is_websocket?: boolean
   created_at: string
   updated_at?: string | null
   response_time_updated_at?: string | null
@@ -570,6 +571,7 @@ export const usageApi = {
       api_format?: string | null
       endpoint_api_format?: string | null
       is_stream?: boolean | null
+      is_websocket?: boolean | null
       upstream_is_stream?: boolean | null
       client_requested_stream?: boolean | null
       client_is_stream?: boolean | null