feat: add Kiro (AWS CodeWhisperer) quota display support

- Add Kiro quota types (KiroFreeTrialInfo, KiroUsageBreakdown, KiroQuotaPayload, KiroQuotaState)
- Add Kiro API constants and request headers
- Add isKiroFile validator and parseKiroQuotaPayload parser
- Add KIRO_CONFIG with fetchKiroQuota and renderKiroItems
- Add kiroQuota state to useQuotaStore
- Add Kiro QuotaSection to QuotaPage
- Add Kiro styles (.kiroGrid, .kiroControls, .kiroControl, .kiroCard)
- Add i18n translations for kiro_quota (zh-CN and en)

Features:
- Separate display for base credits and bonus credits (freeTrialInfo)
- Total credits summary
- Correct parsing of seconds timestamp (scientific notation like 1.769904E9)
- Reset time display
- Subscription type display

src/types/quota.ts

@@ -145,3 +145,58 @@ export interface CodexQuotaState {
   error?: string;
   errorStatus?: number;
 }
+
+// Kiro (AWS CodeWhisperer) quota types
+export interface KiroFreeTrialInfo {
+  freeTrialStatus?: string;
+  usageLimit?: number;
+  currentUsage?: number;
+  usageLimitWithPrecision?: number;
+  currentUsageWithPrecision?: number;
+}
+
+export interface KiroUsageBreakdown {
+  usageLimit?: number;
+  currentUsage?: number;
+  usageLimitWithPrecision?: number;
+  currentUsageWithPrecision?: number;
+  nextDateReset?: number;
+  displayName?: string;
+  resourceType?: string;
+  freeTrialInfo?: KiroFreeTrialInfo;
+}
+
+export interface KiroQuotaPayload {
+  daysUntilReset?: number;
+  nextDateReset?: number;
+  userInfo?: {
+    email?: string;
+    userId?: string;
+  };
+  subscriptionInfo?: {
+    subscriptionTitle?: string;
+    type?: string;
+  };
+  usageBreakdownList?: KiroUsageBreakdown[];
+}
+
+export interface KiroQuotaState {
+  status: 'idle' | 'loading' | 'success' | 'error';
+  // Base quota (原本额度)
+  baseUsage: number | null;
+  baseLimit: number | null;
+  baseRemaining: number | null;
+  // Free trial/bonus quota (赠送额度)
+  bonusUsage: number | null;
+  bonusLimit: number | null;
+  bonusRemaining: number | null;
+  bonusStatus?: string;
+  // Total (合计)
+  currentUsage: number | null;
+  usageLimit: number | null;
+  remainingCredits: number | null;
+  nextReset?: string;
+  subscriptionType?: string;
+  error?: string;
+  errorStatus?: number;
+}