feat: complete contract-driven business development and MySQL integration

examples/managedService/main.go

@@ -34,19 +34,13 @@ func run(ctx context.Context, path string) (runErr error) {
 		return err
 	}
 	defer func() { runErr = errors.Join(runErr, logger.Close()) }()
-	logx.SetDefault(logger)
 	deps, err := svc.New(ctx, logger, cfg)
 	if err != nil {
 		return err
 	}
 	// RunContext drains HTTP requests before returning. This scope owns dependencies
 	// and closes them exactly once, before closing the borrowed logger.
-	defer func() {
-		runErr = errors.Join(runErr, deps.Close())
-		if cause := deps.Lifecycle.Err(); cause != nil && !errors.Is(runErr, cause) {
-			runErr = errors.Join(runErr, cause)
-		}
-	}()
+	defer func() { runErr = deps.Finish(runErr) }()
 	app, err := handler.NewApp(deps)
 	if err != nil {
 		return err