1. 调整目录结构

2. 实现user_controller

internal/core/application.go

@@ -7,17 +7,17 @@ import (
 	"os/signal"
 	"syscall"
 
-	"git.huangwc.com/pig/pig-farm-controller/internal/config"
-	"git.huangwc.com/pig/pig-farm-controller/internal/logs"
-	"git.huangwc.com/pig/pig-farm-controller/internal/storage/db"
-	"git.huangwc.com/pig/pig-farm-controller/internal/task"
+	"git.huangwc.com/pig/pig-farm-controller/internal/infra/config"
+	"git.huangwc.com/pig/pig-farm-controller/internal/infra/database"
+	"git.huangwc.com/pig/pig-farm-controller/internal/infra/logs"
+	"git.huangwc.com/pig/pig-farm-controller/internal/infra/task"
 )
 
 // Application 是整个应用的核心，封装了所有组件和生命周期。
 type Application struct {
 	Config   *config.Config
 	Logger   *logs.Logger
-	Storage  db.Storage
+	Storage  database.Storage
 	Executor *task.Executor
 }
 
@@ -89,9 +89,9 @@ func (app *Application) Stop() error {
 }
 
 // initStorage 封装了数据库的初始化、连接和迁移逻辑。
-func initStorage(cfg config.DatabaseConfig, logger *logs.Logger) (db.Storage, error) {
+func initStorage(cfg config.DatabaseConfig, logger *logs.Logger) (database.Storage, error) {
 	// 创建存储实例
-	storage := db.NewStorage(cfg, logger)
+	storage := database.NewStorage(cfg, logger)
 	if err := storage.Connect(); err != nil {
 		// 错误已在 Connect 内部被记录，这里只需包装并返回
 		return nil, fmt.Errorf("数据库连接失败: %w", err)