Merge pull request #1666 from touwaeriol/feat/account-cost-display

feat(usage): add account cost display to admin dashboard and usage pages

backend/internal/pkg/usagestats/usage_log_types.go

@@ -58,6 +58,7 @@ type DashboardStats struct {
 	TotalTokens              int64   `json:"total_tokens"`
 	TotalCost                float64 `json:"total_cost"`         // 累计标准计费
 	TotalActualCost          float64 `json:"total_actual_cost"`  // 累计实际扣除
+	TotalAccountCost         float64 `json:"total_account_cost"` // 累计账号成本
 
 	// 今日 Token 使用统计
 	TodayRequests            int64   `json:"today_requests"`
@@ -68,6 +69,7 @@ type DashboardStats struct {
 	TodayTokens              int64   `json:"today_tokens"`
 	TodayCost                float64 `json:"today_cost"`         // 今日标准计费
 	TodayActualCost          float64 `json:"today_actual_cost"`  // 今日实际扣除
+	TodayAccountCost         float64 `json:"today_account_cost"` // 今日账号成本
 
 	// 系统运行统计
 	AverageDurationMs float64 `json:"average_duration_ms"` // 平均响应时间
@@ -101,6 +103,7 @@ type ModelStat struct {
 	TotalTokens         int64   `json:"total_tokens"`
 	Cost                float64 `json:"cost"`         // 标准计费
 	ActualCost          float64 `json:"actual_cost"`  // 实际扣除
+	AccountCost         float64 `json:"account_cost"` // 账号成本
 }
 
 // EndpointStat represents usage statistics for a single request endpoint.
@@ -127,6 +130,7 @@ type GroupStat struct {
 	TotalTokens int64   `json:"total_tokens"`
 	Cost        float64 `json:"cost"`         // 标准计费
 	ActualCost  float64 `json:"actual_cost"`  // 实际扣除
+	AccountCost float64 `json:"account_cost"` // 账号成本
 }
 
 // UserUsageTrendPoint represents user usage trend data point
@@ -166,6 +170,7 @@ type UserBreakdownItem struct {
 	TotalTokens int64   `json:"total_tokens"`
 	Cost        float64 `json:"cost"`         // 标准计费
 	ActualCost  float64 `json:"actual_cost"`  // 实际扣除
+	AccountCost float64 `json:"account_cost"` // 账号成本
 }
 
 // UserBreakdownDimension specifies the dimension to filter for user breakdown.

backend/internal/repository/dashboard_aggregation_repo.go

@@ -331,6 +331,7 @@ func (r *dashboardAggregationRepository) upsertHourlyAggregates(ctx context.Cont
 				COALESCE(SUM(cache_read_tokens), 0) AS cache_read_tokens,
 				COALESCE(SUM(total_cost), 0) AS total_cost,
 				COALESCE(SUM(actual_cost), 0) AS actual_cost,
+				COALESCE(SUM(COALESCE(account_stats_cost, total_cost) * COALESCE(account_rate_multiplier, 1)), 0) AS account_cost,
 				COALESCE(SUM(COALESCE(duration_ms, 0)), 0) AS total_duration_ms
 			FROM usage_logs
 			WHERE created_at >= $1 AND created_at < $2
@@ -351,6 +352,7 @@ func (r *dashboardAggregationRepository) upsertHourlyAggregates(ctx context.Cont
 			cache_read_tokens,
 			total_cost,
 			actual_cost,
+			account_cost,
 			total_duration_ms,
 			active_users,
 			computed_at
@@ -364,6 +366,7 @@ func (r *dashboardAggregationRepository) upsertHourlyAggregates(ctx context.Cont
 			hourly.cache_read_tokens,
 			hourly.total_cost,
 			hourly.actual_cost,
+			hourly.account_cost,
 			hourly.total_duration_ms,
 			COALESCE(user_counts.active_users, 0) AS active_users,
 			NOW()
@@ -378,6 +381,7 @@ func (r *dashboardAggregationRepository) upsertHourlyAggregates(ctx context.Cont
 			cache_read_tokens = EXCLUDED.cache_read_tokens,
 			total_cost = EXCLUDED.total_cost,
 			actual_cost = EXCLUDED.actual_cost,
+			account_cost = EXCLUDED.account_cost,
 			total_duration_ms = EXCLUDED.total_duration_ms,
 			active_users = EXCLUDED.active_users,
 			computed_at = EXCLUDED.computed_at
@@ -399,6 +403,7 @@ func (r *dashboardAggregationRepository) upsertDailyAggregates(ctx context.Conte
 				COALESCE(SUM(cache_read_tokens), 0) AS cache_read_tokens,
 				COALESCE(SUM(total_cost), 0) AS total_cost,
 				COALESCE(SUM(actual_cost), 0) AS actual_cost,
+				COALESCE(SUM(account_cost), 0) AS account_cost,
 				COALESCE(SUM(total_duration_ms), 0) AS total_duration_ms
 			FROM usage_dashboard_hourly
 			WHERE bucket_start >= $1 AND bucket_start < $2
@@ -419,6 +424,7 @@ func (r *dashboardAggregationRepository) upsertDailyAggregates(ctx context.Conte
 			cache_read_tokens,
 			total_cost,
 			actual_cost,
+			account_cost,
 			total_duration_ms,
 			active_users,
 			computed_at
@@ -432,6 +438,7 @@ func (r *dashboardAggregationRepository) upsertDailyAggregates(ctx context.Conte
 			daily.cache_read_tokens,
 			daily.total_cost,
 			daily.actual_cost,
+			daily.account_cost,
 			daily.total_duration_ms,
 			COALESCE(user_counts.active_users, 0) AS active_users,
 			NOW()
@@ -446,6 +453,7 @@ func (r *dashboardAggregationRepository) upsertDailyAggregates(ctx context.Conte
 			cache_read_tokens = EXCLUDED.cache_read_tokens,
 			total_cost = EXCLUDED.total_cost,
 			actual_cost = EXCLUDED.actual_cost,
+			account_cost = EXCLUDED.account_cost,
 			total_duration_ms = EXCLUDED.total_duration_ms,
 			active_users = EXCLUDED.active_users,
 			computed_at = EXCLUDED.computed_at

backend/internal/repository/usage_log_repo.go

@@ -1528,6 +1528,7 @@ func (r *usageLogRepository) fillDashboardUsageStatsAggregated(ctx context.Conte
 			COALESCE(SUM(cache_read_tokens), 0) as total_cache_read_tokens,
 			COALESCE(SUM(total_cost), 0) as total_cost,
 			COALESCE(SUM(actual_cost), 0) as total_actual_cost,
+			COALESCE(SUM(account_cost), 0) as total_account_cost,
 			COALESCE(SUM(total_duration_ms), 0) as total_duration_ms
 		FROM usage_dashboard_daily
 	`
@@ -1544,6 +1545,7 @@ func (r *usageLogRepository) fillDashboardUsageStatsAggregated(ctx context.Conte
 		&stats.TotalCacheReadTokens,
 		&stats.TotalCost,
 		&stats.TotalActualCost,
+		&stats.TotalAccountCost,
 		&totalDurationMs,
 	); err != nil {
 		return err
@@ -1562,6 +1564,7 @@ func (r *usageLogRepository) fillDashboardUsageStatsAggregated(ctx context.Conte
 			cache_read_tokens as today_cache_read_tokens,
 			total_cost as today_cost,
 			actual_cost as today_actual_cost,
+			account_cost as today_account_cost,
 			active_users as active_users
 		FROM usage_dashboard_daily
 		WHERE bucket_date = $1::date
@@ -1578,6 +1581,7 @@ func (r *usageLogRepository) fillDashboardUsageStatsAggregated(ctx context.Conte
 		&stats.TodayCacheReadTokens,
 		&stats.TodayCost,
 		&stats.TodayActualCost,
+		&stats.TodayAccountCost,
 		&stats.ActiveUsers,
 	); err != nil {
 		if err != sql.ErrNoRows {
@@ -1613,6 +1617,7 @@ func (r *usageLogRepository) fillDashboardUsageStatsFromUsageLogs(ctx context.Co
 				cache_read_tokens,
 				total_cost,
 				actual_cost,
+				COALESCE(account_stats_cost, total_cost) * COALESCE(account_rate_multiplier, 1) AS account_cost,
 				COALESCE(duration_ms, 0) AS duration_ms
 			FROM usage_logs
 			WHERE created_at >= LEAST($1::timestamptz, $3::timestamptz)
@@ -1626,6 +1631,7 @@ func (r *usageLogRepository) fillDashboardUsageStatsFromUsageLogs(ctx context.Co
 			COALESCE(SUM(cache_read_tokens) FILTER (WHERE created_at >= $1::timestamptz AND created_at < $2::timestamptz), 0) AS total_cache_read_tokens,
 			COALESCE(SUM(total_cost) FILTER (WHERE created_at >= $1::timestamptz AND created_at < $2::timestamptz), 0) AS total_cost,
 			COALESCE(SUM(actual_cost) FILTER (WHERE created_at >= $1::timestamptz AND created_at < $2::timestamptz), 0) AS total_actual_cost,
+			COALESCE(SUM(account_cost) FILTER (WHERE created_at >= $1::timestamptz AND created_at < $2::timestamptz), 0) AS total_account_cost,
 			COALESCE(SUM(duration_ms) FILTER (WHERE created_at >= $1::timestamptz AND created_at < $2::timestamptz), 0) AS total_duration_ms,
 			COUNT(*) FILTER (WHERE created_at >= $3::timestamptz AND created_at < $4::timestamptz) AS today_requests,
 			COALESCE(SUM(input_tokens) FILTER (WHERE created_at >= $3::timestamptz AND created_at < $4::timestamptz), 0) AS today_input_tokens,
@@ -1633,7 +1639,8 @@ func (r *usageLogRepository) fillDashboardUsageStatsFromUsageLogs(ctx context.Co
 			COALESCE(SUM(cache_creation_tokens) FILTER (WHERE created_at >= $3::timestamptz AND created_at < $4::timestamptz), 0) AS today_cache_creation_tokens,
 			COALESCE(SUM(cache_read_tokens) FILTER (WHERE created_at >= $3::timestamptz AND created_at < $4::timestamptz), 0) AS today_cache_read_tokens,
 			COALESCE(SUM(total_cost) FILTER (WHERE created_at >= $3::timestamptz AND created_at < $4::timestamptz), 0) AS today_cost,
-			COALESCE(SUM(actual_cost) FILTER (WHERE created_at >= $3::timestamptz AND created_at < $4::timestamptz), 0) AS today_actual_cost
+			COALESCE(SUM(actual_cost) FILTER (WHERE created_at >= $3::timestamptz AND created_at < $4::timestamptz), 0) AS today_actual_cost,
+			COALESCE(SUM(account_cost) FILTER (WHERE created_at >= $3::timestamptz AND created_at < $4::timestamptz), 0) AS today_account_cost
 		FROM scoped
 	`
 	var totalDurationMs int64
@@ -1649,6 +1656,7 @@ func (r *usageLogRepository) fillDashboardUsageStatsFromUsageLogs(ctx context.Co
 		&stats.TotalCacheReadTokens,
 		&stats.TotalCost,
 		&stats.TotalActualCost,
+		&stats.TotalAccountCost,
 		&totalDurationMs,
 		&stats.TodayRequests,
 		&stats.TodayInputTokens,
@@ -1657,6 +1665,7 @@ func (r *usageLogRepository) fillDashboardUsageStatsFromUsageLogs(ctx context.Co
 		&stats.TodayCacheReadTokens,
 		&stats.TodayCost,
 		&stats.TodayActualCost,
+		&stats.TodayAccountCost,
 	); err != nil {
 		return err
 	}
@@ -2595,7 +2604,8 @@ func (r *usageLogRepository) GetUserModelStats(ctx context.Context, userID int64
 			COALESCE(SUM(cache_read_tokens), 0) as cache_read_tokens,
 			COALESCE(SUM(input_tokens + output_tokens + cache_creation_tokens + cache_read_tokens), 0) as total_tokens,
 			COALESCE(SUM(total_cost), 0) as cost,
-			COALESCE(SUM(actual_cost), 0) as actual_cost
+			COALESCE(SUM(actual_cost), 0) as actual_cost,
+			COALESCE(SUM(COALESCE(account_stats_cost, total_cost) * COALESCE(account_rate_multiplier, 1)), 0) as account_cost
 		FROM usage_logs
 		WHERE user_id = $1 AND created_at >= $2 AND created_at < $3
 		GROUP BY model
@@ -3002,6 +3012,7 @@ func (r *usageLogRepository) getModelStatsWithFiltersBySource(ctx context.Contex
 	if accountID > 0 && userID == 0 && apiKeyID == 0 {
 		actualCostExpr = "COALESCE(SUM(COALESCE(account_stats_cost, total_cost) * COALESCE(account_rate_multiplier, 1)), 0) as actual_cost"
 	}
+	accountCostExpr := "COALESCE(SUM(COALESCE(account_stats_cost, total_cost) * COALESCE(account_rate_multiplier, 1)), 0) as account_cost"
 	modelExpr := resolveModelDimensionExpression(source)
 
 	query := fmt.Sprintf(`
@@ -3014,10 +3025,11 @@ func (r *usageLogRepository) getModelStatsWithFiltersBySource(ctx context.Contex
 			COALESCE(SUM(cache_read_tokens), 0) as cache_read_tokens,
 			COALESCE(SUM(input_tokens + output_tokens + cache_creation_tokens + cache_read_tokens), 0) as total_tokens,
 			COALESCE(SUM(total_cost), 0) as cost,
+			%s,
 			%s
 		FROM usage_logs
 		WHERE created_at >= $1 AND created_at < $2
-	`, modelExpr, actualCostExpr)
+	`, modelExpr, actualCostExpr, accountCostExpr)
 
 	args := []any{startTime, endTime}
 	if userID > 0 {
@@ -3072,7 +3084,8 @@ func (r *usageLogRepository) GetGroupStatsWithFilters(ctx context.Context, start
 			COUNT(*) as requests,
 			COALESCE(SUM(ul.input_tokens + ul.output_tokens + ul.cache_creation_tokens + ul.cache_read_tokens), 0) as total_tokens,
 			COALESCE(SUM(ul.total_cost), 0) as cost,
-			COALESCE(SUM(ul.actual_cost), 0) as actual_cost
+			COALESCE(SUM(ul.actual_cost), 0) as actual_cost,
+			COALESCE(SUM(COALESCE(ul.account_stats_cost, ul.total_cost) * COALESCE(ul.account_rate_multiplier, 1)), 0) as account_cost
 		FROM usage_logs ul
 		LEFT JOIN groups g ON g.id = ul.group_id
 		WHERE ul.created_at >= $1 AND ul.created_at < $2
@@ -3123,6 +3136,7 @@ func (r *usageLogRepository) GetGroupStatsWithFilters(ctx context.Context, start
 			&row.TotalTokens,
 			&row.Cost,
 			&row.ActualCost,
+			&row.AccountCost,
 		); err != nil {
 			return nil, err
 		}
@@ -3143,7 +3157,8 @@ func (r *usageLogRepository) GetUserBreakdownStats(ctx context.Context, startTim
 			COUNT(*) as requests,
 			COALESCE(SUM(ul.input_tokens + ul.output_tokens + ul.cache_creation_tokens + ul.cache_read_tokens), 0) as total_tokens,
 			COALESCE(SUM(ul.total_cost), 0) as cost,
-			COALESCE(SUM(ul.actual_cost), 0) as actual_cost
+			COALESCE(SUM(ul.actual_cost), 0) as actual_cost,
+			COALESCE(SUM(COALESCE(ul.account_stats_cost, ul.total_cost) * COALESCE(ul.account_rate_multiplier, 1)), 0) as account_cost
 		FROM usage_logs ul
 		LEFT JOIN users u ON u.id = ul.user_id
 		WHERE ul.created_at >= $1 AND ul.created_at < $2
@@ -3214,6 +3229,7 @@ func (r *usageLogRepository) GetUserBreakdownStats(ctx context.Context, startTim
 			&row.TotalTokens,
 			&row.Cost,
 			&row.ActualCost,
+			&row.AccountCost,
 		); err != nil {
 			return nil, err
 		}
@@ -3392,9 +3408,7 @@ func (r *usageLogRepository) GetStatsWithFilters(ctx context.Context, filters Us
 	); err != nil {
 		return nil, err
 	}
-	if filters.AccountID > 0 {
 	stats.TotalAccountCost = &totalAccountCost
-	}
 	stats.TotalTokens = stats.TotalInputTokens + stats.TotalOutputTokens + stats.TotalCacheTokens
 
 	start := time.Unix(0, 0).UTC()
@@ -4272,6 +4286,7 @@ func scanModelStatsRows(rows *sql.Rows) ([]ModelStat, error) {
 			&row.TotalTokens,
 			&row.Cost,
 			&row.ActualCost,
+			&row.AccountCost,
 		); err != nil {
 			return nil, err
 		}

backend/internal/repository/usage_log_repo_integration_test.go

@@ -753,8 +753,11 @@ func (s *UsageLogRepoSuite) TestDashboardStats_TodayTotalsAndPerformance() {
 	s.Require().Equal(baseStats.TotalTokens+int64(51), stats.TotalTokens, "TotalTokens mismatch")
 	s.Require().Equal(baseStats.TotalCost+2.3, stats.TotalCost, "TotalCost mismatch")
 	s.Require().Equal(baseStats.TotalActualCost+2.0, stats.TotalActualCost, "TotalActualCost mismatch")
+	// account_cost falls back to total_cost when account_stats_cost is NULL
+	s.Require().Equal(baseStats.TotalAccountCost+2.3, stats.TotalAccountCost, "TotalAccountCost mismatch")
 	s.Require().GreaterOrEqual(stats.TodayRequests, int64(1), "expected TodayRequests >= 1")
 	s.Require().GreaterOrEqual(stats.TodayCost, 0.0, "expected TodayCost >= 0")
+	s.Require().GreaterOrEqual(stats.TodayAccountCost, 0.0, "expected TodayAccountCost >= 0")
 
 	wantRpm, wantTpm, err := s.repo.getPerformanceStats(s.ctx, 0)
 	s.Require().NoError(err, "getPerformanceStats")
@@ -833,6 +836,8 @@ func (s *UsageLogRepoSuite) TestDashboardStatsWithRange_Fallback() {
 	s.Require().Equal(int64(45), stats.TotalTokens)
 	s.Require().Equal(1.5, stats.TotalCost)
 	s.Require().Equal(1.4, stats.TotalActualCost)
+	// account_cost = COALESCE(account_stats_cost, total_cost) * COALESCE(account_rate_multiplier, 1) = total_cost
+	s.Require().Equal(1.5, stats.TotalAccountCost)
 	s.Require().InEpsilon(150.0, stats.AverageDurationMs, 0.0001)
 }
 

backend/internal/repository/usage_log_repo_request_type_test.go

@@ -301,7 +301,7 @@ func TestUsageLogRepositoryGetModelStatsWithFiltersRequestTypePriority(t *testin
 
 	mock.ExpectQuery("AND \\(request_type = \\$3 OR \\(request_type = 0 AND openai_ws_mode = TRUE\\)\\)").
 		WithArgs(start, end, requestType).
-		WillReturnRows(sqlmock.NewRows([]string{"model", "requests", "input_tokens", "output_tokens", "cache_creation_tokens", "cache_read_tokens", "total_tokens", "cost", "actual_cost"}))
+		WillReturnRows(sqlmock.NewRows([]string{"model", "requests", "input_tokens", "output_tokens", "cache_creation_tokens", "cache_read_tokens", "total_tokens", "cost", "actual_cost", "account_cost"}))
 
 	stats, err := repo.GetModelStatsWithFilters(context.Background(), start, end, 0, 0, 0, 0, &requestType, &stream, nil)
 	require.NoError(t, err)
@@ -346,6 +346,93 @@ func TestUsageLogRepositoryGetStatsWithFiltersRequestTypePriority(t *testing.T)
 	require.NoError(t, err)
 	require.Equal(t, int64(1), stats.TotalRequests)
 	require.Equal(t, int64(9), stats.TotalTokens)
+	require.NotNil(t, stats.TotalAccountCost, "TotalAccountCost should always be returned")
+	require.Equal(t, 1.2, *stats.TotalAccountCost)
+	require.NoError(t, mock.ExpectationsWereMet())
+}
+
+func TestUsageLogRepositoryGetModelStatsAccountCostColumn(t *testing.T) {
+	db, mock := newSQLMock(t)
+	repo := &usageLogRepository{sql: db}
+
+	start := time.Date(2025, 1, 1, 0, 0, 0, 0, time.UTC)
+	end := start.Add(24 * time.Hour)
+
+	mock.ExpectQuery("FROM usage_logs").
+		WithArgs(start, end).
+		WillReturnRows(sqlmock.NewRows([]string{
+			"model", "requests", "input_tokens", "output_tokens",
+			"cache_creation_tokens", "cache_read_tokens", "total_tokens",
+			"cost", "actual_cost", "account_cost",
+		}).
+			AddRow("claude-opus-4-6", int64(10), int64(100), int64(200), int64(5), int64(3), int64(308), 2.5, 2.0, 1.8).
+			AddRow("claude-sonnet-4-6", int64(5), int64(50), int64(100), int64(0), int64(0), int64(150), 1.0, 0.8, 0.7))
+
+	results, err := repo.GetModelStatsWithFilters(context.Background(), start, end, 0, 0, 0, 0, nil, nil, nil)
+	require.NoError(t, err)
+	require.Len(t, results, 2)
+	require.Equal(t, "claude-opus-4-6", results[0].Model)
+	require.Equal(t, 2.5, results[0].Cost)
+	require.Equal(t, 2.0, results[0].ActualCost)
+	require.Equal(t, 1.8, results[0].AccountCost)
+	require.Equal(t, "claude-sonnet-4-6", results[1].Model)
+	require.Equal(t, 0.7, results[1].AccountCost)
+	require.NoError(t, mock.ExpectationsWereMet())
+}
+
+func TestUsageLogRepositoryGetGroupStatsAccountCostColumn(t *testing.T) {
+	db, mock := newSQLMock(t)
+	repo := &usageLogRepository{sql: db}
+
+	start := time.Date(2025, 1, 1, 0, 0, 0, 0, time.UTC)
+	end := start.Add(24 * time.Hour)
+
+	mock.ExpectQuery("FROM usage_logs").
+		WithArgs(start, end).
+		WillReturnRows(sqlmock.NewRows([]string{
+			"group_id", "group_name", "requests", "total_tokens",
+			"cost", "actual_cost", "account_cost",
+		}).
+			AddRow(int64(1), "azure-cc", int64(100), int64(5000), 10.0, 8.5, 7.2).
+			AddRow(int64(2), "max", int64(50), int64(2000), 5.0, 4.0, 3.5))
+
+	results, err := repo.GetGroupStatsWithFilters(context.Background(), start, end, 0, 0, 0, 0, nil, nil, nil)
+	require.NoError(t, err)
+	require.Len(t, results, 2)
+	require.Equal(t, int64(1), results[0].GroupID)
+	require.Equal(t, "azure-cc", results[0].GroupName)
+	require.Equal(t, 10.0, results[0].Cost)
+	require.Equal(t, 8.5, results[0].ActualCost)
+	require.Equal(t, 7.2, results[0].AccountCost)
+	require.Equal(t, int64(2), results[1].GroupID)
+	require.Equal(t, 3.5, results[1].AccountCost)
+	require.NoError(t, mock.ExpectationsWereMet())
+}
+
+func TestUsageLogRepositoryGetStatsWithFiltersAlwaysReturnsAccountCost(t *testing.T) {
+	db, mock := newSQLMock(t)
+	repo := &usageLogRepository{sql: db}
+
+	// No AccountID filter set - TotalAccountCost should still be returned
+	filters := usagestats.UsageLogFilters{}
+
+	mock.ExpectQuery("FROM usage_logs").
+		WillReturnRows(sqlmock.NewRows([]string{
+			"total_requests", "total_input_tokens", "total_output_tokens",
+			"total_cache_tokens", "total_cost", "total_actual_cost",
+			"total_account_cost", "avg_duration_ms",
+		}).AddRow(int64(50), int64(1000), int64(2000), int64(100), 15.0, 12.5, 11.0, 100.0))
+	mock.ExpectQuery("SELECT COALESCE\\(NULLIF\\(TRIM\\(inbound_endpoint\\)").
+		WillReturnRows(sqlmock.NewRows([]string{"endpoint", "requests", "total_tokens", "cost", "actual_cost"}))
+	mock.ExpectQuery("SELECT COALESCE\\(NULLIF\\(TRIM\\(upstream_endpoint\\)").
+		WillReturnRows(sqlmock.NewRows([]string{"endpoint", "requests", "total_tokens", "cost", "actual_cost"}))
+	mock.ExpectQuery("SELECT CONCAT\\(").
+		WillReturnRows(sqlmock.NewRows([]string{"endpoint", "requests", "total_tokens", "cost", "actual_cost"}))
+
+	stats, err := repo.GetStatsWithFilters(context.Background(), filters)
+	require.NoError(t, err)
+	require.NotNil(t, stats.TotalAccountCost, "TotalAccountCost must always be returned, even without AccountID filter")
+	require.Equal(t, 11.0, *stats.TotalAccountCost)
 	require.NoError(t, mock.ExpectationsWereMet())
 }
 

backend/migrations/107_add_account_cost_to_dashboard_tables.sql

+-- Add account_cost column to dashboard aggregation tables for admin dashboard display.
+-- account_cost = SUM(COALESCE(account_stats_cost, total_cost) * COALESCE(account_rate_multiplier, 1))
+
+ALTER TABLE usage_dashboard_hourly ADD COLUMN IF NOT EXISTS account_cost DECIMAL(20, 10) NOT NULL DEFAULT 0;
+ALTER TABLE usage_dashboard_daily ADD COLUMN IF NOT EXISTS account_cost DECIMAL(20, 10) NOT NULL DEFAULT 0;

frontend/src/api/admin/usage.ts

@@ -17,7 +17,7 @@ export interface AdminUsageStatsResponse {
   total_tokens: number
   total_cost: number
   total_actual_cost: number
-  total_account_cost?: number
+  total_account_cost: number
   average_duration_ms: number
   endpoints?: EndpointStat[]
   upstream_endpoints?: EndpointStat[]

frontend/src/components/admin/usage/UsageStatsCards.vue

@@ -28,17 +28,12 @@
       <div class="min-w-0 flex-1">
         <p class="text-xs font-medium text-gray-500">{{ t('usage.totalCost') }}</p>
         <p class="text-xl font-bold text-green-600">
-          ${{ ((stats?.total_account_cost ?? stats?.total_actual_cost) || 0).toFixed(4) }}
+          ${{ (stats?.total_actual_cost || 0).toFixed(4) }}
         </p>
-        <p class="text-xs text-gray-400" v-if="stats?.total_account_cost != null">
-          {{ t('usage.userBilled') }}:
-          <span class="text-gray-300">${{ (stats?.total_actual_cost || 0).toFixed(4) }}</span>
-          · {{ t('usage.standardCost') }}:
-          <span class="text-gray-300">${{ (stats?.total_cost || 0).toFixed(4) }}</span>
-        </p>
-        <p class="text-xs text-gray-400" v-else>
-          {{ t('usage.standardCost') }}:
-          <span class="line-through">${{ (stats?.total_cost || 0).toFixed(4) }}</span>
+        <p class="text-xs text-gray-400">
+          <span class="text-orange-500">{{ t('usage.accountCost') }} ${{ (stats?.total_account_cost || 0).toFixed(4) }}</span>
+          <span> · </span>
+          <span>{{ t('usage.standardCost') }} ${{ (stats?.total_cost || 0).toFixed(4) }}</span>
         </p>
       </div>
     </div>

frontend/src/components/admin/usage/UsageTable.vue

@@ -154,7 +154,7 @@
                 </div>
               </div>
             </div>
-            <div v-if="row.account_rate_multiplier != null" class="mt-0.5 text-[11px] text-gray-400">
+            <div v-if="row.account_rate_multiplier != null" class="mt-0.5 text-[11px] text-orange-500 dark:text-orange-400">
               A ${{ accountBilled(row).toFixed(6) }}
             </div>
           </div>

frontend/src/components/charts/GroupDistributionChart.vue

@@ -45,6 +45,7 @@
               <th class="pb-2 text-right">{{ t('admin.dashboard.requests') }}</th>
               <th class="pb-2 text-right">{{ t('admin.dashboard.tokens') }}</th>
               <th class="pb-2 text-right">{{ t('admin.dashboard.actual') }}</th>
+              <th class="pb-2 text-right">{{ t('admin.dashboard.accountCost') }}</th>
               <th class="pb-2 text-right">{{ t('admin.dashboard.standard') }}</th>
             </tr>
           </thead>
@@ -75,13 +76,16 @@
                 <td class="py-1.5 text-right text-green-600 dark:text-green-400">
                   ${{ formatCost(group.actual_cost) }}
                 </td>
+                <td class="py-1.5 text-right text-orange-500 dark:text-orange-400">
+                  ${{ formatCost(group.account_cost) }}
+                </td>
                 <td class="py-1.5 text-right text-gray-400 dark:text-gray-500">
                   ${{ formatCost(group.cost) }}
                 </td>
               </tr>
               <!-- User breakdown sub-rows -->
               <tr v-if="expandedKey === `group-${group.group_id}`">
-                <td colspan="5" class="p-0">
+                <td colspan="6" class="p-0">
                   <UserBreakdownSubTable
                     :items="breakdownItems"
                     :loading="breakdownLoading"

frontend/src/components/charts/ModelDistributionChart.vue

@@ -114,6 +114,7 @@
               <th class="pb-2 text-right">{{ t('admin.dashboard.requests') }}</th>
               <th class="pb-2 text-right">{{ t('admin.dashboard.tokens') }}</th>
               <th class="pb-2 text-right">{{ t('admin.dashboard.actual') }}</th>
+              <th class="pb-2 text-right">{{ t('admin.dashboard.accountCost') }}</th>
               <th class="pb-2 text-right">{{ t('admin.dashboard.standard') }}</th>
             </tr>
           </thead>
@@ -142,12 +143,15 @@
                 <td class="py-1.5 text-right text-green-600 dark:text-green-400">
                   ${{ formatCost(model.actual_cost) }}
                 </td>
+                <td class="py-1.5 text-right text-orange-500 dark:text-orange-400">
+                  ${{ formatCost(model.account_cost) }}
+                </td>
                 <td class="py-1.5 text-right text-gray-400 dark:text-gray-500">
                   ${{ formatCost(model.cost) }}
                 </td>
               </tr>
               <tr v-if="expandedKey === `model-${model.model}`">
-                <td colspan="5" class="p-0">
+                <td colspan="6" class="p-0">
                   <UserBreakdownSubTable
                     :items="breakdownItems"
                     :loading="breakdownLoading"

frontend/src/components/charts/UserBreakdownSubTable.vue

@@ -25,6 +25,9 @@
           <td class="py-1 text-right text-green-600 dark:text-green-400">
             ${{ formatCost(user.actual_cost) }}
           </td>
+          <td class="py-1 text-right text-orange-500 dark:text-orange-400">
+            ${{ formatCost(user.account_cost) }}
+          </td>
           <td class="py-1 pr-1 text-right text-gray-400 dark:text-gray-500">
             ${{ formatCost(user.cost) }}
           </td>

frontend/src/i18n/locales/en.ts

@@ -732,6 +732,7 @@ export default {
     totalCost: 'Total Cost',
     standardCost: 'Standard',
     actualCost: 'Actual',
+    accountCost: 'Cost',
     userBilled: 'User billed',
     accountBilled: 'Account billed',
     accountMultiplier: 'Account rate',
@@ -1039,6 +1040,7 @@ export default {
       tokens: 'Tokens',
       actual: 'Actual',
       standard: 'Standard',
+      accountCost: 'Cost',
       noDataAvailable: 'No data available',
       recentUsage: 'Recent Usage',
       viewModelDistribution: 'Model Distribution',

frontend/src/i18n/locales/zh.ts

@@ -736,6 +736,7 @@ export default {
     totalCost: '总消费',
     standardCost: '标准',
     actualCost: '实际',
+    accountCost: '成本',
     userBilled: '用户扣费',
     accountBilled: '账号计费',
     accountMultiplier: '账号倍率',
@@ -1026,6 +1027,7 @@ export default {
       totalCost: '总消费',
       actual: '实际',
       standard: '标准',
+      accountCost: '成本',
       todayTokens: '今日 Token',
       totalTokens: '总 Token',
       input: '输入',

frontend/src/types/index.ts

@@ -1158,6 +1158,7 @@ export interface DashboardStats {
   total_tokens: number
   total_cost: number // 累计标准计费
   total_actual_cost: number // 累计实际扣除
+  total_account_cost: number // 累计账号成本
 
   // 今日 Token 使用统计
   today_requests: number
@@ -1168,6 +1169,7 @@ export interface DashboardStats {
   today_tokens: number
   today_cost: number // 今日标准计费
   today_actual_cost: number // 今日实际扣除
+  today_account_cost: number // 今日账号成本
 
   // 系统运行统计
   average_duration_ms: number // 平均响应时间
@@ -1215,6 +1217,7 @@ export interface ModelStat {
   total_tokens: number
   cost: number // 标准计费
   actual_cost: number // 实际扣除
+  account_cost: number // 账号成本
 }
 
 export interface EndpointStat {
@@ -1232,6 +1235,7 @@ export interface GroupStat {
   total_tokens: number
   cost: number // 标准计费
   actual_cost: number // 实际扣除
+  account_cost: number // 账号成本
 }
 
 export interface UserBreakdownItem {
@@ -1241,6 +1245,7 @@ export interface UserBreakdownItem {
   total_tokens: number
   cost: number
   actual_cost: number
+  account_cost: number
 }
 
 export interface UserUsageTrendPoint {

frontend/src/views/admin/DashboardView.vue

@@ -112,15 +112,21 @@
                 </p>
                 <p class="text-xs">
                   <span
-                    class="text-amber-600 dark:text-amber-400"
+                    class="text-green-600 dark:text-green-400"
                     :title="t('admin.dashboard.actual')"
                     >${{ formatCost(stats.today_actual_cost) }}</span
                   >
+                  <span class="text-gray-400 dark:text-gray-500"> / </span>
+                  <span
+                    class="text-orange-500 dark:text-orange-400"
+                    :title="t('admin.dashboard.accountCost')"
+                    >${{ formatCost(stats.today_account_cost) }}</span
+                  >
+                  <span class="text-gray-400 dark:text-gray-500"> / </span>
                   <span
                     class="text-gray-400 dark:text-gray-500"
                     :title="t('admin.dashboard.standard')"
-                  >
-                    / ${{ formatCost(stats.today_cost) }}</span
+                    >${{ formatCost(stats.today_cost) }}</span
                   >
                 </p>
               </div>
@@ -142,15 +148,21 @@
                 </p>
                 <p class="text-xs">
                   <span
-                    class="text-indigo-600 dark:text-indigo-400"
+                    class="text-green-600 dark:text-green-400"
                     :title="t('admin.dashboard.actual')"
                     >${{ formatCost(stats.total_actual_cost) }}</span
                   >
+                  <span class="text-gray-400 dark:text-gray-500"> / </span>
+                  <span
+                    class="text-orange-500 dark:text-orange-400"
+                    :title="t('admin.dashboard.accountCost')"
+                    >${{ formatCost(stats.total_account_cost) }}</span
+                  >
+                  <span class="text-gray-400 dark:text-gray-500"> / </span>
                   <span
                     class="text-gray-400 dark:text-gray-500"
                     :title="t('admin.dashboard.standard')"
-                  >
-                    / ${{ formatCost(stats.total_cost) }}</span
+                    >${{ formatCost(stats.total_cost) }}</span
                   >
                 </p>
               </div>