优化结构

internal/biz/system/system_init.go

@@ -30,6 +30,8 @@ type InitializationRepo interface {
 	DiskMountPoints() []string
 }
 
+// TaskReloader is the narrow scheduler boundary needed after configuration
+// changes. The consumer owns this interface; worker supplies the implementation.
 type TaskReloader interface {
 	Reload(context.Context) error
 }