优化结构

internal/data/task/migrations.go

@@ -25,12 +25,6 @@ func SeedDefaults(ctx context.Context, db *gorm.DB, defaults []platformmodule.Ti
 	if db == nil {
 		return nil
 	}
-	if len(defaults) == 0 {
-		defaults = []platformmodule.TimedTask{
-			{Name: "ClearDB", Description: "定时清理数据库过期日志", Spec: "@daily", MethodName: "ClearDB", Enabled: true},
-			{Name: "CleanStaleUploads", Description: "定时清理过期大文件上传会话", Spec: "@hourly", MethodName: "CleanStaleUploads", Enabled: true},
-		}
-	}
 	return db.WithContext(ctx).Transaction(func(tx *gorm.DB) error {
 		for _, item := range defaults {
 			if strings.TrimSpace(item.Name) == "" {

internal/data/task/provider.go

@@ -1,10 +1,7 @@
 package task
 
-import "gorm.io/gorm"
+import dataprovider "kra/internal/data/provider"
 
 // Provider is the minimal database seam required by the task tables.
 // Task persistence must not depend on the full data runtime or system repos.
-type Provider interface {
-	DB() *gorm.DB
-	DatabaseReady() bool
-}
+type Provider = dataprovider.Database