Merge remote-tracking branch 'origin/main' into fix/enc_coot

# Conflicts:
#	backend/internal/service/openai_gateway_service.go

backend/internal/service/dashboard_aggregation_service.go

@@ -35,6 +35,7 @@ type DashboardAggregationRepository interface {
 	UpdateAggregationWatermark(ctx context.Context, aggregatedAt time.Time) error
 	CleanupAggregates(ctx context.Context, hourlyCutoff, dailyCutoff time.Time) error
 	CleanupUsageLogs(ctx context.Context, cutoff time.Time) error
+	CleanupUsageBillingDedup(ctx context.Context, cutoff time.Time) error
 	EnsureUsageLogsPartitions(ctx context.Context, now time.Time) error
 }
 
@@ -296,6 +297,7 @@ func (s *DashboardAggregationService) maybeCleanupRetention(ctx context.Context,
 	hourlyCutoff := now.AddDate(0, 0, -s.cfg.Retention.HourlyDays)
 	dailyCutoff := now.AddDate(0, 0, -s.cfg.Retention.DailyDays)
 	usageCutoff := now.AddDate(0, 0, -s.cfg.Retention.UsageLogsDays)
+	dedupCutoff := now.AddDate(0, 0, -s.cfg.Retention.UsageBillingDedupDays)
 
 	aggErr := s.repo.CleanupAggregates(ctx, hourlyCutoff, dailyCutoff)
 	if aggErr != nil {
@@ -305,7 +307,11 @@ func (s *DashboardAggregationService) maybeCleanupRetention(ctx context.Context,
 	if usageErr != nil {
 		logger.LegacyPrintf("service.dashboard_aggregation", "[DashboardAggregation] usage_logs 保留清理失败: %v", usageErr)
 	}
-	if aggErr == nil && usageErr == nil {
+	dedupErr := s.repo.CleanupUsageBillingDedup(ctx, dedupCutoff)
+	if dedupErr != nil {
+		logger.LegacyPrintf("service.dashboard_aggregation", "[DashboardAggregation] usage_billing_dedup 保留清理失败: %v", dedupErr)
+	}
+	if aggErr == nil && usageErr == nil && dedupErr == nil {
 		s.lastRetentionCleanup.Store(now)
 	}
 }

backend/internal/service/dashboard_aggregation_service_test.go

@@ -12,12 +12,18 @@ import (
 
 type dashboardAggregationRepoTestStub struct {
 	aggregateCalls       int
+	recomputeCalls       int
+	cleanupUsageCalls    int
+	cleanupDedupCalls    int
+	ensurePartitionCalls int
 	lastStart            time.Time
 	lastEnd              time.Time
 	watermark            time.Time
 	aggregateErr         error
 	cleanupAggregatesErr error
 	cleanupUsageErr      error
+	cleanupDedupErr      error
+	ensurePartitionErr   error
 }
 
 func (s *dashboardAggregationRepoTestStub) AggregateRange(ctx context.Context, start, end time.Time) error {
@@ -28,6 +34,7 @@ func (s *dashboardAggregationRepoTestStub) AggregateRange(ctx context.Context, s
 }
 
 func (s *dashboardAggregationRepoTestStub) RecomputeRange(ctx context.Context, start, end time.Time) error {
+	s.recomputeCalls++
 	return s.AggregateRange(ctx, start, end)
 }
 
@@ -44,11 +51,18 @@ func (s *dashboardAggregationRepoTestStub) CleanupAggregates(ctx context.Context
 }
 
 func (s *dashboardAggregationRepoTestStub) CleanupUsageLogs(ctx context.Context, cutoff time.Time) error {
+	s.cleanupUsageCalls++
 	return s.cleanupUsageErr
 }
 
+func (s *dashboardAggregationRepoTestStub) CleanupUsageBillingDedup(ctx context.Context, cutoff time.Time) error {
+	s.cleanupDedupCalls++
+	return s.cleanupDedupErr
+}
+
 func (s *dashboardAggregationRepoTestStub) EnsureUsageLogsPartitions(ctx context.Context, now time.Time) error {
-	return nil
+	s.ensurePartitionCalls++
+	return s.ensurePartitionErr
 }
 
 func TestDashboardAggregationService_RunScheduledAggregation_EpochUsesRetentionStart(t *testing.T) {
@@ -90,6 +104,50 @@ func TestDashboardAggregationService_CleanupRetentionFailure_DoesNotRecord(t *te
 	svc.maybeCleanupRetention(context.Background(), time.Now().UTC())
 
 	require.Nil(t, svc.lastRetentionCleanup.Load())
+	require.Equal(t, 1, repo.cleanupUsageCalls)
+	require.Equal(t, 1, repo.cleanupDedupCalls)
+}
+
+func TestDashboardAggregationService_CleanupDedupFailure_DoesNotRecord(t *testing.T) {
+	repo := &dashboardAggregationRepoTestStub{cleanupDedupErr: errors.New("dedup cleanup failed")}
+	svc := &DashboardAggregationService{
+		repo: repo,
+		cfg: config.DashboardAggregationConfig{
+			Retention: config.DashboardAggregationRetentionConfig{
+				UsageLogsDays: 1,
+				HourlyDays:    1,
+				DailyDays:     1,
+			},
+		},
+	}
+
+	svc.maybeCleanupRetention(context.Background(), time.Now().UTC())
+
+	require.Nil(t, svc.lastRetentionCleanup.Load())
+	require.Equal(t, 1, repo.cleanupDedupCalls)
+}
+
+func TestDashboardAggregationService_PartitionFailure_DoesNotAggregate(t *testing.T) {
+	repo := &dashboardAggregationRepoTestStub{ensurePartitionErr: errors.New("partition failed")}
+	svc := &DashboardAggregationService{
+		repo: repo,
+		cfg: config.DashboardAggregationConfig{
+			Enabled:         true,
+			IntervalSeconds: 60,
+			LookbackSeconds: 120,
+			Retention: config.DashboardAggregationRetentionConfig{
+				UsageLogsDays:         1,
+				UsageBillingDedupDays: 2,
+				HourlyDays:            1,
+				DailyDays:             1,
+			},
+		},
+	}
+
+	svc.runScheduledAggregation()
+
+	require.Equal(t, 1, repo.ensurePartitionCalls)
+	require.Equal(t, 1, repo.aggregateCalls)
 }
 
 func TestDashboardAggregationService_TriggerBackfill_TooLarge(t *testing.T) {

backend/internal/service/dashboard_service.go

@@ -327,6 +327,14 @@ func (s *DashboardService) GetUserUsageTrend(ctx context.Context, startTime, end
 	return trend, nil
 }
 
+func (s *DashboardService) GetUserSpendingRanking(ctx context.Context, startTime, endTime time.Time, limit int) (*usagestats.UserSpendingRankingResponse, error) {
+	ranking, err := s.usageRepo.GetUserSpendingRanking(ctx, startTime, endTime, limit)
+	if err != nil {
+		return nil, fmt.Errorf("get user spending ranking: %w", err)
+	}
+	return ranking, nil
+}
+
 func (s *DashboardService) GetBatchUserUsageStats(ctx context.Context, userIDs []int64, startTime, endTime time.Time) (map[int64]*usagestats.BatchUserUsageStats, error) {
 	stats, err := s.usageRepo.GetBatchUserUsageStats(ctx, userIDs, startTime, endTime)
 	if err != nil {

backend/internal/service/dashboard_service_test.go

@@ -124,6 +124,10 @@ func (s *dashboardAggregationRepoStub) CleanupUsageLogs(ctx context.Context, cut
 	return nil
 }
 
+func (s *dashboardAggregationRepoStub) CleanupUsageBillingDedup(ctx context.Context, cutoff time.Time) error {
+	return nil
+}
+
 func (s *dashboardAggregationRepoStub) EnsureUsageLogsPartitions(ctx context.Context, now time.Time) error {
 	return nil
 }

backend/internal/service/domain_constants.go

@@ -29,10 +29,12 @@ const (
 
 // Account type constants
 const (
-	AccountTypeOAuth      = domain.AccountTypeOAuth      // OAuth类型账号（full scope: profile + inference）
-	AccountTypeSetupToken = domain.AccountTypeSetupToken // Setup Token类型账号（inference only scope）
-	AccountTypeAPIKey     = domain.AccountTypeAPIKey     // API Key类型账号
-	AccountTypeUpstream   = domain.AccountTypeUpstream   // 上游透传类型账号（通过 Base URL + API Key 连接上游）
+	AccountTypeOAuth         = domain.AccountTypeOAuth         // OAuth类型账号（full scope: profile + inference）
+	AccountTypeSetupToken    = domain.AccountTypeSetupToken    // Setup Token类型账号（inference only scope）
+	AccountTypeAPIKey        = domain.AccountTypeAPIKey        // API Key类型账号
+	AccountTypeUpstream      = domain.AccountTypeUpstream      // 上游透传类型账号（通过 Base URL + API Key 连接上游）
+	AccountTypeBedrock       = domain.AccountTypeBedrock       // AWS Bedrock 类型账号（通过 SigV4 签名连接 Bedrock）
+	AccountTypeBedrockAPIKey = domain.AccountTypeBedrockAPIKey // AWS Bedrock API Key 类型账号（通过 Bearer Token 连接 Bedrock）
 )
 
 // Redeem type constants

backend/internal/service/gateway_service_bedrock_model_support_test.go

+package service
+
+import "testing"
+
+func TestGatewayServiceIsModelSupportedByAccount_BedrockDefaultMappingRestrictsModels(t *testing.T) {
+	svc := &GatewayService{}
+	account := &Account{
+		Platform: PlatformAnthropic,
+		Type:     AccountTypeBedrock,
+		Credentials: map[string]any{
+			"aws_region": "us-east-1",
+		},
+	}
+
+	if !svc.isModelSupportedByAccount(account, "claude-sonnet-4-5") {
+		t.Fatalf("expected default Bedrock alias to be supported")
+	}
+
+	if svc.isModelSupportedByAccount(account, "claude-3-5-sonnet-20241022") {
+		t.Fatalf("expected unsupported alias to be rejected for Bedrock account")
+	}
+}
+
+func TestGatewayServiceIsModelSupportedByAccount_BedrockCustomMappingStillActsAsAllowlist(t *testing.T) {
+	svc := &GatewayService{}
+	account := &Account{
+		Platform: PlatformAnthropic,
+		Type:     AccountTypeBedrock,
+		Credentials: map[string]any{
+			"aws_region": "eu-west-1",
+			"model_mapping": map[string]any{
+				"claude-sonnet-*": "claude-sonnet-4-6",
+			},
+		},
+	}
+
+	if !svc.isModelSupportedByAccount(account, "claude-sonnet-4-6") {
+		t.Fatalf("expected matched custom mapping to be supported")
+	}
+
+	if !svc.isModelSupportedByAccount(account, "claude-opus-4-6") {
+		t.Fatalf("expected default Bedrock alias fallback to remain supported")
+	}
+
+	if svc.isModelSupportedByAccount(account, "claude-3-5-sonnet-20241022") {
+		t.Fatalf("expected unsupported model to still be rejected")
+	}
+}

backend/internal/service/gateway_streaming_test.go

@@ -181,7 +181,8 @@ func TestHandleStreamingResponse_EmptyStream(t *testing.T) {
 
 	result, err := svc.handleStreamingResponse(context.Background(), resp, c, &Account{ID: 1}, time.Now(), "model", "model", false)
 	_ = pr.Close()
-	require.NoError(t, err)
+	require.Error(t, err)
+	require.Contains(t, err.Error(), "missing terminal event")
 	require.NotNil(t, result)
 }