记：沙箱环境变量不生效 Bug 排查

func DeployHandler(s *WebServer, svc service.DeployServiceHandler) gin.HandlerFunc {
	return func(c *gin.Context) {
		envVars := map[string]string{}
		if raw := c.PostForm("env_vars"); raw != "" {
			// env_vars 非空，解析自定义环境变量
			if err := json.Unmarshal([]byte(raw), &envVars); err != nil {
				c.JSON(
					http.StatusBadRequest,
					gin.H{"message": fmt.Sprintf("invalid env_vars format: %s", err.Error())},
				)
				return
			}
		}
        
        // ... 其他处理

		select {
		case s.ch <- devsandbox.AppReloadEvent{
			ID:       status.DeployID,
			Rebuild:  status.StepOpts.Rebuild,
			Relaunch: status.StepOpts.Relaunch,
			EnvVars:  envVars,
		}:
			c.JSON(http.StatusOK, gin.H{"deployID": status.DeployID})
		default:
			c.JSON(
				http.StatusTooManyRequests,
				gin.H{"message": "app is deploying, please wait for a while and try again."},
			)
		}
	}
}

func DeployHandler(s *WebServer, svc service.DeployServiceHandler) gin.HandlerFunc {
	return func(c *gin.Context) {
		envVars := map[string]string{}
		if raw := c.PostForm("env_vars"); raw != "" {
			// env_vars 非空，解析自定义环境变量
			if err := json.Unmarshal([]byte(raw), &envVars); err != nil {
				c.JSON(
					http.StatusBadRequest,
					gin.H{"message": fmt.Sprintf("invalid env_vars format: %s", err.Error())},
				)
				return
			}
           // ... 其他处理
		}

// PostForm 获取表单中指定 key 的值（解析 x-www-form-urlencoded 或 multipart/form-data）
func (c *Context) PostForm(key string) string {
    value, _ := c.GetPostForm(key)
    return value
}

// GetPostForm 获取表单值
func (c *Context) GetPostForm(key string) (string, bool) {
    if c.Request.PostForm == nil {
        c.Request.ParseMultipartForm(c.engine.MaxMultipartMemory)
    }
    if values := c.Request.PostForm[key]; len(values) > 0 {
        return values[0], true
    }
    return "", false
}

func DeployHandler(s *WebServer, svc service.DeployServiceHandler) gin.HandlerFunc {
	return func(c *gin.Context) {
        // ... 解析 json 请求体中的环境变量 + 其他处理

		select {
		case s.ch <- devsandbox.AppReloadEvent{
			ID:       status.DeployID,
			Rebuild:  status.StepOpts.Rebuild,
			Relaunch: status.StepOpts.Relaunch,
            // 将 env_vars 扔到 channel 中
			EnvVars:  envVars,
		}:
			c.JSON(http.StatusOK, gin.H{"deployID": status.DeployID})
		default:
			c.JSON(
				http.StatusTooManyRequests,
				gin.H{"message": "app is deploying, please wait for a while and try again."},
			)
		}
	}
}

// returns a new SupervisorConf
func makeSupervisorConf(processes []base.Process, procEnvs ...appdesc.Env) (*SupervisorConf, error) {
	conf := &SupervisorConf{
		RootDir: supervisorDir,
		Port:    rpcPort,
	}

	if procEnvs != nil {
		//if err := validateEnvironment(procEnvs); err != nil {
		//	return nil, err
		//}
		envs := make([]string, len(procEnvs))
		for i, env := range procEnvs {
			// 仅转义 % 和 "
			escapedValue := escapeForSupervisor(env.Value)
			envs[i] = fmt.Sprintf(`%s="%s"`, env.Name, escapedValue)
		}
		conf.Environment = strings.Join(envs, ",")
	}

	for _, p := range processes {
		conf.Processes = append(conf.Processes, base.ProcessConf{
			Process:     p,
			ProcLogFile: filepath.Join(conf.RootDir, "log", p.ProcType+".log"),
		})
	}
	return conf, nil
}

// escapeForSupervisor 转义值中的特殊字符
func escapeForSupervisor(value string) string {
	escaped := strings.ReplaceAll(value, "%", "%%")
	escaped = strings.ReplaceAll(escaped, `"`, `\"`)
	return escaped
}

[unix_http_server]
file = /cnb/devsandbox/supervisor/supervisor.sock

[supervisorctl]
serverurl = unix:///cnb/devsandbox/supervisor/supervisor.sock

[supervisord]
pidfile     = /cnb/devsandbox/supervisor/supervisord.pid
logfile     = /cnb/devsandbox/supervisor/log/supervisord.log
interpolate = false
environment = 
SOURCE_FETCH_URL="http://ip:port/default/home/gotest2%%3Adefault%%3Amaster%%3Ac7c75432ebbdd32bd913fe8a05ae36eed9a5666c%%3Adev/tar?AWSAccessKeyId=example&Signature=example%%2FMFI8%%3D&Expires=1756347407",
other environment variables...

[rpcinterface:supervisor]
supervisor.rpcinterface_factory = supervisor.rpcinterface:make_main_rpcinterface

[program:scheduler]
command         = /cnb/process/scheduler
stdout_logfile  = /cnb/devsandbox/supervisor/log/scheduler.log
redirect_stderr = true

[program:web]
command         = /cnb/process/web
stdout_logfile  = /cnb/devsandbox/supervisor/log/web.log
redirect_stderr = true

[inet_http_server]
port = 127.0.0.1:9001

environ_str = get('environment', '') # 这一行导致了上面的 BUG
environ_str = expand(environ_str, expansions, 'environment')
section.environment = dict_of_key_value_pairs(environ_str)