优化结构

internal/data/migrations.go

@@ -7,15 +7,9 @@ import (
 	"gorm.io/gorm"
 )
 
-func InfrastructureMigrations() []migration.Step {
-	return nil
-}
-
 // migrateAll is the single data-layer migration entry point. Every module
 // must register its migrations through the application catalog; there is no
 // hidden system/payment fallback that could silently omit a new module.
 func migrateAll(db *gorm.DB, catalog module.Catalog) error {
-	steps := append([]migration.Step{}, InfrastructureMigrations()...)
-	steps = append(steps, catalog.MigrationSteps()...)
-	return migration.Run(db, steps)
+	return migration.Run(db, catalog.MigrationSteps())
 }