syntax = "proto3";

package smartflow.agent;

option go_package = "github.com/LoveLosita/smartflow/backend/services/agent/rpc/pb";

service Agent {
  rpc Ping(StatusResponse) returns (StatusResponse);
  rpc Chat(ChatRequest) returns (stream ChatChunk);
  rpc GetConversationMeta(JSONRequest) returns (JSONResponse);
  rpc GetConversationList(JSONRequest) returns (JSONResponse);
  rpc GetConversationTimeline(JSONRequest) returns (JSONResponse);
  rpc GetSchedulePlanPreview(JSONRequest) returns (JSONResponse);
  rpc GetContextStats(JSONRequest) returns (JSONResponse);
  rpc SaveScheduleState(JSONRequest) returns (JSONResponse);
}

message ChatRequest {
  string message = 1;
  string thinking = 2;
  string model = 3;
  int32 user_id = 4;
  string conversation_id = 5;
  bytes extra_json = 6;
}

message ChatChunk {
  string payload = 1;
  bool done = 2;
  bytes error_json = 3;
}

message StatusResponse {
}

message JSONRequest {
  bytes payload_json = 1;
}

message JSONResponse {
  bytes data_json = 1;
}