merge: 合并 main 分支到 test，解决 config 和 modelWhitelist 冲突

- config.go: 保留 Sora 配置，合入 SubscriptionCache 配置
- useModelWhitelist.ts: 同时保留 soraModels 和 antigravityModels
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

backend/internal/service/account_usage_service.go

@@ -36,8 +36,8 @@ type UsageLogRepository interface {
 	GetModelStatsWithFilters(ctx context.Context, startTime, endTime time.Time, userID, apiKeyID, accountID, groupID int64, stream *bool, billingType *int8) ([]usagestats.ModelStat, error)
 	GetAPIKeyUsageTrend(ctx context.Context, startTime, endTime time.Time, granularity string, limit int) ([]usagestats.APIKeyUsageTrendPoint, error)
 	GetUserUsageTrend(ctx context.Context, startTime, endTime time.Time, granularity string, limit int) ([]usagestats.UserUsageTrendPoint, error)
-	GetBatchUserUsageStats(ctx context.Context, userIDs []int64) (map[int64]*usagestats.BatchUserUsageStats, error)
-	GetBatchAPIKeyUsageStats(ctx context.Context, apiKeyIDs []int64) (map[int64]*usagestats.BatchAPIKeyUsageStats, error)
+	GetBatchUserUsageStats(ctx context.Context, userIDs []int64, startTime, endTime time.Time) (map[int64]*usagestats.BatchUserUsageStats, error)
+	GetBatchAPIKeyUsageStats(ctx context.Context, apiKeyIDs []int64, startTime, endTime time.Time) (map[int64]*usagestats.BatchAPIKeyUsageStats, error)
 
 	// User dashboard stats
 	GetUserDashboardStats(ctx context.Context, userID int64) (*usagestats.UserDashboardStats, error)

backend/internal/service/admin_service_delete_test.go

@@ -187,6 +187,10 @@ func (s *proxyRepoStub) GetByID(ctx context.Context, id int64) (*Proxy, error) {
 	panic("unexpected GetByID call")
 }
 
+func (s *proxyRepoStub) ListByIDs(ctx context.Context, ids []int64) ([]Proxy, error) {
+	panic("unexpected ListByIDs call")
+}
+
 func (s *proxyRepoStub) Update(ctx context.Context, proxy *Proxy) error {
 	panic("unexpected Update call")
 }