优化结构

internal/modules/task/definition_test.go

@@ -0,0 +1,10 @@
+package task
+
+import "testing"
+
+func TestDefinitionOwnsTaskPersistenceAndDefaults(t *testing.T) {
+	definition := Definition()
+	if definition.Name != "task" || len(definition.Migrations) != 1 || len(definition.TimedTasks) != 2 {
+		t.Fatalf("task definition = %#v", definition)
+	}
+}