refactor: 重构 GUI 框架为 Wails

- 添加 Go 后端实现，包括配置管理、文件上传逻辑和 Wails 应用接口
- 实现前端 Vue 界面，提供服务器配置、目录选择、上传控制等功能
- 集成 Element Plus 组件库构建用户界面
- 添加文件上传进度显示和实时日志输出功能
- 实现后台文件监控和上传任务管理
- 配置 Wails 框架支持前后端交互
- 更新项目依赖，移除 Fyne 框架，集成 Wails v2
- 添加项目配置文件管理和自动保存功能

app.go

@@ -0,0 +1,76 @@
+package main
+
+import (
+	"context"
+	"dypid-client/internal/config"
+	"dypid-client/internal/uploader"
+	"fmt"
+	"time"
+
+	"github.com/wailsapp/wails/v2/pkg/runtime"
+)
+
+// App struct
+type App struct {
+	ctx            context.Context
+	logChan        chan string
+	uploaderCTX    context.Context
+	uploaderCancel context.CancelFunc
+}
+
+var isRun = false
+
+func NewApp() *App {
+	return &App{}
+}
+
+// startup 程序初始化
+func (a *App) startup(ctx context.Context) {
+	a.ctx = ctx
+
+	// 后台 goroutine 持续推送日志
+	a.logChan = make(chan string, 100)
+	go func() {
+		for log := range a.logChan {
+			runtime.EventsEmit(a.ctx, "log", log)
+		}
+	}()
+
+	//在程序启动时运行上传程序
+	a.uploaderCTX, a.uploaderCancel = context.WithCancel(a.ctx)
+	if config.APPConfig.IsRunOnStart {
+		time.Sleep(time.Second)
+		isRun = true
+		go uploader.StartLooking(a.uploaderCTX, &a.logChan, config.APPConfig.CheckDir)
+	}
+}
+
+// SelectPath 打开选择路径弹框
+func (a *App) SelectPath() string {
+	dialog, _ := runtime.OpenDirectoryDialog(a.ctx, runtime.OpenDialogOptions{})
+	fmt.Println("选择路径：", dialog)
+	return dialog
+}
+
+func (a *App) GetConfig() config.Config {
+	return config.APPConfig
+}
+
+func (a *App) WriteConfig(key string, value any) {
+	fmt.Println(key, value)
+	config.WriteConfig(key, value)
+}
+
+func (a *App) StartUpload() {
+	if isRun {
+		return
+	}
+	go uploader.StartLooking(a.uploaderCTX, &a.logChan, config.APPConfig.CheckDir)
+}
+
+func (a *App) StopUpload() {
+	if isRun {
+		a.uploaderCancel()
+		a.uploaderCTX, a.uploaderCancel = context.WithCancel(a.ctx)
+	}
+}