新增用户服务连接

proto/user.proto

@@ -0,0 +1,56 @@
+syntax = "proto3";
+
+package user;
+option go_package = "./proto/gen;userpb";
+
+// 登录请求
+message LoginRequest {
+  string username = 1;
+  string password = 2;
+}
+
+// 登录响应
+message LoginResponse {
+  int64 user_id = 1;
+  string username = 2;
+  string email = 3;
+  string access_token = 4;
+  int32 expires_in = 5; // token过期时间(秒)
+}
+
+// 用户注册请求
+message RegisterRequest {
+  string username = 1;
+  string password = 2;
+  string email = 3;
+  string nickname = 4;
+  string phone = 5;
+}
+
+// 用户注册响应
+message RegisterResponse {
+  int64 user_id = 1;
+  string username = 2;
+  string email = 3;
+}
+
+// 令牌验证请求
+message ValidateTokenRequest {
+  string access_token = 1;
+}
+
+// 令牌验证响应
+message ValidateTokenResponse {
+  int64 user_id = 1;
+  bool is_valid = 2;
+}
+
+// 用户服务定义
+service UserService {
+  // 用户登录
+  rpc Login(LoginRequest) returns (LoginResponse);
+  // 用户注册
+  rpc Register(RegisterRequest) returns (RegisterResponse);
+  // 验证访问令牌
+  rpc ValidateToken(ValidateTokenRequest) returns (ValidateTokenResponse);
+}