优化任务管理

internal/config/config.go

@@ -246,14 +246,6 @@ func applyEnvOverrides(c *configModel) {
 			{Name: "default", Priority: defaultQueuePriority},
 		}
 	}
-
-	// ─── Scheduler ───
-	c.Scheduler.CleanupUnusedUploadsTaskCron = envStr(
-		"SCHEDULER_CLEANUP_CRON", c.Scheduler.CleanupUnusedUploadsTaskCron,
-	)
-	if c.Scheduler.CleanupUnusedUploadsTaskCron == "" {
-		c.Scheduler.CleanupUnusedUploadsTaskCron = "@daily"
-	}
 }
 
 // printConfig 打印配置内容

internal/config/model.go

@@ -120,7 +120,6 @@ type logConfig struct {
 
 // schedulerConfig 定时任务配置
 type schedulerConfig struct {
-	CleanupUnusedUploadsTaskCron string `mapstructure:"cleanup_unused_uploads_task_cron"`
 }
 
 // workerConfig 工作配置