feat: add grok subscription support

frontend/src/types/index.ts

@@ -487,7 +487,7 @@ export interface PaginationConfig {
 
 // ==================== API Key & Group Types ====================
 
-export type GroupPlatform = 'anthropic' | 'openai' | 'gemini' | 'antigravity'
+export type GroupPlatform = 'anthropic' | 'openai' | 'gemini' | 'antigravity' | 'grok'
 
 export type SubscriptionType = 'standard' | 'subscription'
 
@@ -690,7 +690,7 @@ export interface UpdateGroupRequest {
 
 // ==================== Account & Proxy Types ====================
 
-export type AccountPlatform = 'anthropic' | 'openai' | 'gemini' | 'antigravity'
+export type AccountPlatform = 'anthropic' | 'openai' | 'gemini' | 'antigravity' | 'grok'
 export type AccountType = 'oauth' | 'setup-token' | 'apikey' | 'upstream' | 'bedrock' | 'service_account'
 export type OAuthAddMethod = 'oauth' | 'setup-token'
 export type ProxyProtocol = 'http' | 'https' | 'socks5' | 'socks5h'
@@ -944,6 +944,13 @@ export interface AntigravityModelQuota {
   reset_time: string  // 重置时间 ISO8601
 }
 
+export interface GrokQuotaWindow {
+  limit?: number
+  remaining?: number
+  reset_unix?: number
+  reset_at?: string
+}
+
 export interface AccountUsageInfo {
   source?: 'passive' | 'active'
   updated_at: string | null
@@ -957,6 +964,12 @@ export interface AccountUsageInfo {
   gemini_pro_minute?: UsageProgress | null
   gemini_flash_minute?: UsageProgress | null
   antigravity_quota?: Record<string, AntigravityModelQuota> | null
+  grok_request_quota?: GrokQuotaWindow | null
+  grok_token_quota?: GrokQuotaWindow | null
+  grok_retry_after_seconds?: number | null
+  grok_entitlement_status?: string
+  grok_quota_snapshot_state?: string
+  grok_local_usage?: WindowStats | null
   ai_credits?: Array<{
     credit_type?: string
     amount?: number