初始提交: ScriptForge 脚本快速转运行链接服务

- Go 后端 (Gin + GORM + SQLite) 提供 API 和纯文本脚本服务
- Vite + React + TypeScript + Tailwind 前端
- 单二进制部署 (Go embed 前端静态文件)
- Gitea Actions CI/CD: 打标签自动构建多平台 Release
- 支持 bash/zsh/sh/fish/python3/node/ruby/php 8种运行环境

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

backend/internal/idgen/idgen.go

@@ -0,0 +1,30 @@
+package idgen
+
+import (
+	"crypto/rand"
+	"encoding/base64"
+	"math/big"
+)
+
+const idChars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
+
+func GenerateID(length int) (string, error) {
+	result := make([]byte, length)
+	for i := range result {
+		n, err := rand.Int(rand.Reader, big.NewInt(int64(len(idChars))))
+		if err != nil {
+			return "", err
+		}
+		result[i] = idChars[n.Int64()]
+	}
+	return string(result), nil
+}
+
+func GenerateToken() (string, error) {
+	token := make([]byte, 48)
+	_, err := rand.Read(token)
+	if err != nil {
+		return "", err
+	}
+	return base64.URLEncoding.EncodeToString(token), nil
+}