service UserService {
  option (google.api.default_host) = "api.example.com";
  option (google.api.oauth_scopes) = "https://www.googleapis.com/auth/userinfo.email";

  rpc GetUser(GetUserRequest) returns (User) {
    option (google.api.http) = {
      get: "/v1/users/{user_id}"
    };
    option (grpc.gateway.protoc_gen_openapiv2.options.openapiv2_operation) = {
      summary: "Получить пользователя по ID";
      description: "Возвращает полную информацию о пользователе.";
      tags: "Users";
    };
  }

  rpc StreamEvents(StreamEventsRequest) returns (stream Event) {}
  rpc UploadAvatar(stream AvatarChunk) returns (AvatarMetadata) {}
  rpc Chat(stream Message) returns (stream Message) {}
}