迁移 Flutter 端与训练脚本，模型/训练产物移出 git（遵循纯代码约定）

server/common/admin_auth.go

@@ -0,0 +1,23 @@
+package common
+
+import (
+	"net/http"
+
+	"github.com/gogf/gf/v2/errors/gcode"
+	"github.com/gogf/gf/v2/frame/g"
+	"github.com/gogf/gf/v2/net/ghttp"
+)
+
+// AdminAuth 管理端静态 token 鉴权中间件：请求头 X-Admin-Token 须与 config.yml
+// admin.token 一致；token 未配置（空）时管理接口全部拒绝。
+func AdminAuth(r *ghttp.Request) {
+	want := g.Cfg().MustGet(r.GetCtx(), "admin.token", "").String()
+	if want == "" || r.Header.Get("X-Admin-Token") != want {
+		r.Response.WriteStatusExit(http.StatusUnauthorized, g.Map{
+			"code":    gcode.CodeNotAuthorized.Code(),
+			"message": "管理端未授权",
+			"data":    nil,
+		})
+	}
+	r.Middleware.Next()
+}