feat: 初始化 Wails + React + Go 桌面应用模板

- Wails v2.16.0 + React 19 + TypeScript + Vite 7
- 插件系统（build tag 控制编译，plugin.json 运行时配置）
- 支付插件（授权、账号、订单、退款、账单）
- 高并发基础设施（任务池、批量处理器、限流器、环形缓冲、管道）
- Windows 系统托盘（Win32 API）
- CodeGraph 索引 + .memory 记忆包
- 默认图标 assets/icon.png

main.go

@@ -0,0 +1,50 @@
+package main
+
+import (
+	"context"
+	"embed"
+	"log"
+
+	"github.com/wailsapp/wails/v2"
+	"github.com/wailsapp/wails/v2/pkg/options"
+	"github.com/wailsapp/wails/v2/pkg/options/assetserver"
+
+	"go_win_template/internal/plugins"
+)
+
+//go:embed all:frontend/dist
+//go:embed assets/icon.png
+var assets embed.FS
+
+func main() {
+	wailsApp := NewApp()
+
+	cfg := &options.App{
+		Title:            "go_win_template",
+		Width:            1280,
+		Height:           800,
+		MinWidth:         1024,
+		MinHeight:        600,
+		WindowStartState: options.Normal,
+		AssetServer: &assetserver.Options{
+			Assets: assets,
+		},
+		BackgroundColour: &options.RGBA{R: 27, G: 38, B: 54, A: 1},
+		OnStartup: func(ctx context.Context) {
+			log.Println("[main] startup complete")
+			// 启动插件
+			if err := plugins.Start(ctx); err != nil {
+				log.Printf("[main] plugin start error: %v", err)
+			}
+			plugins.PrintStatus()
+		},
+		Bind: []interface{}{
+			wailsApp,
+		},
+	}
+
+	err := wails.Run(cfg)
+	if err != nil {
+		log.Fatal(err)
+	}
+}