fix: gofmt alignment and remove media_type from usage_log repo queries

backend/internal/repository/usage_log_repo.go

@@ -800,7 +800,7 @@ func buildUsageLogBatchInsertQuery(keys []string, preparedByKey map[string]usage
 			created_at
 		) AS (VALUES `)
 
-	args := make([]any, 0, len(keys)*47)
+	args := make([]any, 0, len(keys)*46)
 	argPos := 1
 	for idx, key := range keys {
 		if idx > 0 {
@@ -864,7 +864,6 @@ func buildUsageLogBatchInsertQuery(keys []string, preparedByKey map[string]usage
 				ip_address,
 				image_count,
 				image_size,
-				media_type,
 				service_tier,
 				reasoning_effort,
 				inbound_endpoint,
@@ -912,7 +911,6 @@ func buildUsageLogBatchInsertQuery(keys []string, preparedByKey map[string]usage
 				ip_address,
 				image_count,
 				image_size,
-				media_type,
 				service_tier,
 				reasoning_effort,
 				inbound_endpoint,
@@ -1012,7 +1010,7 @@ func buildUsageLogBestEffortInsertQuery(preparedList []usageLogInsertPrepared) (
 			created_at
 		) AS (VALUES `)
 
-	args := make([]any, 0, len(preparedList)*46)
+	args := make([]any, 0, len(preparedList)*45)
 	argPos := 1
 	for idx, prepared := range preparedList {
 		if idx > 0 {
@@ -1191,7 +1189,7 @@ func execUsageLogInsertNoResult(ctx context.Context, sqlq sqlExecutor, prepared
 			$10, $11, $12, $13,
 			$14, $15, $16, $17,
 			$18, $19, $20, $21, $22, $23,
-			$24, $25, $26, $27, $28, $29, $30, $31, $32, $33, $34, $35, $36, $37, $38, $39, $40, $41, $42, $43, $44, $45, $46
+			$24, $25, $26, $27, $28, $29, $30, $31, $32, $33, $34, $35, $36, $37, $38, $39, $40, $41, $42, $43, $44, $45
 		)
 		ON CONFLICT (request_id, api_key_id) DO NOTHING
 	`, prepared.args...)
@@ -1218,7 +1216,6 @@ func prepareUsageLogInsert(log *service.UsageLog) usageLogInsertPrepared {
 	userAgent := nullString(log.UserAgent)
 	ipAddress := nullString(log.IPAddress)
 	imageSize := nullString(log.ImageSize)
-	mediaType := nullString(log.MediaType)
 	serviceTier := nullString(log.ServiceTier)
 	reasoningEffort := nullString(log.ReasoningEffort)
 	inboundEndpoint := nullString(log.InboundEndpoint)
@@ -1279,7 +1276,6 @@ func prepareUsageLogInsert(log *service.UsageLog) usageLogInsertPrepared {
 			ipAddress,
 			log.ImageCount,
 			imageSize,
-			mediaType,
 			serviceTier,
 			reasoningEffort,
 			inboundEndpoint,
@@ -4044,7 +4040,6 @@ func scanUsageLog(scanner interface{ Scan(...any) error }) (*service.UsageLog, e
 		ipAddress             sql.NullString
 		imageCount            int
 		imageSize             sql.NullString
-		mediaType             sql.NullString
 		serviceTier           sql.NullString
 		reasoningEffort       sql.NullString
 		inboundEndpoint       sql.NullString
@@ -4094,7 +4089,6 @@ func scanUsageLog(scanner interface{ Scan(...any) error }) (*service.UsageLog, e
 		&ipAddress,
 		&imageCount,
 		&imageSize,
-		&mediaType,
 		&serviceTier,
 		&reasoningEffort,
 		&inboundEndpoint,
@@ -4172,9 +4166,6 @@ func scanUsageLog(scanner interface{ Scan(...any) error }) (*service.UsageLog, e
 	if imageSize.Valid {
 		log.ImageSize = &imageSize.String
 	}
-	if mediaType.Valid {
-		log.MediaType = &mediaType.String
-	}
 	if serviceTier.Valid {
 		log.ServiceTier = &serviceTier.String
 	}

backend/internal/repository/usage_log_repo_request_type_test.go

@@ -76,7 +76,6 @@ func TestUsageLogRepositoryCreateSyncRequestTypeAndLegacyFields(t *testing.T) {
 			sqlmock.AnyArg(), // ip_address
 			log.ImageCount,
 			sqlmock.AnyArg(), // image_size
-			sqlmock.AnyArg(), // media_type
 			sqlmock.AnyArg(), // service_tier
 			sqlmock.AnyArg(), // reasoning_effort
 			sqlmock.AnyArg(), // inbound_endpoint

backend/internal/service/account_test_service.go

@@ -614,7 +614,6 @@ func (s *AccountTestService) testGeminiAccountConnection(c *gin.Context, account
 	return s.processGeminiStream(c, resp.Body)
 }
 
-
 // routeAntigravityTest 路由 Antigravity 账号的测试请求。
 // APIKey 类型走原生协议（与 gateway_handler 路由一致），OAuth/Upstream 走 CRS 中转。
 func (s *AccountTestService) routeAntigravityTest(c *gin.Context, account *Account, modelID string, prompt string) error {