feat: rpc bridge

packages/orchestrator/src/ipc/protocol.ts

@@ -1,3 +1,4 @@
+import type { RpcCommand, RpcResponse } from "@earendil-works/pi-coding-agent";
 import type { InstanceStatus } from "../types.ts";
 
 export interface SpawnRequest {
@@ -22,11 +23,18 @@ export interface StatusRequest {
 	instanceId: string;
 }
 
+export interface RpcRequest {
+	type: "rpc";
+	instanceId: string;
+	command: RpcCommand;
+}
+
 export interface RequestMap {
 	spawn: SpawnRequest;
 	list: ListRequest;
 	stop: StopRequest;
 	status: StatusRequest;
+	rpc: RpcRequest;
 }
 
 export type OrchestratorRequest = RequestMap[keyof RequestMap];
@@ -64,6 +72,11 @@ export interface StatusResponse extends ResponseBase {
 	instance?: InstanceSummary;
 }
 
+export interface RpcBridgeResponse extends ResponseBase {
+	type: "rpc_result";
+	response: RpcResponse;
+}
+
 export interface ErrorResponse extends ResponseBase {
 	type: "error";
 	ok: false;
@@ -75,6 +88,7 @@ export interface ResponseMap {
 	list: ListResponse;
 	stop: StopResponse;
 	status: StatusResponse;
+	rpc: RpcBridgeResponse;
 }
 
 export type OrchestratorResponse = ResponseMap[keyof ResponseMap] | ErrorResponse;

packages/orchestrator/src/ipc/server.ts

@@ -9,6 +9,8 @@ import {
 	type OrchestratorRequest,
 	type OrchestratorResponse,
 	parseRequestLine,
+	type RpcBridgeResponse,
+	type RpcRequest,
 	type SpawnRequest,
 	type SpawnResponse,
 	type StatusRequest,
@@ -22,6 +24,7 @@ export interface IpcRequestHandler {
 	(request: ListRequest): Promise<ListResponse | ErrorResponse> | ListResponse | ErrorResponse;
 	(request: StopRequest): Promise<StopResponse | ErrorResponse> | StopResponse | ErrorResponse;
 	(request: StatusRequest): Promise<StatusResponse | ErrorResponse> | StatusResponse | ErrorResponse;
+	(request: RpcRequest): Promise<RpcBridgeResponse | ErrorResponse> | RpcBridgeResponse | ErrorResponse;
 	(request: OrchestratorRequest): Promise<OrchestratorResponse> | OrchestratorResponse;
 }