优化结构

internal/data/runtime_clients.go

@@ -163,10 +163,9 @@ func (r *rollback) run() {
 	}
 }
 
-// newReloadableDB attaches the row-level data scope callbacks the pool needs
-// before it becomes readable. Data.replacePrimaryDB is the reload counterpart.
-func newReloadableDB(db *gorm.DB, enqueue dataScopeAuditEnqueue) *reloadable[*gorm.DB] {
-	registerDataScopeCallbacks(db, enqueue)
+// newReloadableDB owns only the hot-swappable database handle. Domain-specific
+// callbacks are attached by Data when a pool becomes active.
+func newReloadableDB(db *gorm.DB, _ ...dataScopeAuditEnqueue) *reloadable[*gorm.DB] {
 	return newReloadable(db, closeGormDB)
 }