feat: ui attach rpc support

packages/orchestrator/src/ipc/protocol.ts

@@ -1,4 +1,10 @@
-import type { AgentSessionEvent, RpcCommand, RpcResponse } from "@earendil-works/pi-coding-agent";
+import type {
+	AgentSessionEvent,
+	RpcCommand,
+	RpcExtensionUIRequest,
+	RpcExtensionUIResponse,
+	RpcResponse,
+} from "@earendil-works/pi-coding-agent";
 import type { InstanceStatus } from "../types.ts";
 
 export interface SpawnRequest {
@@ -121,8 +127,13 @@ export interface ResponseMap {
 }
 
 export type OrchestratorResponse = ResponseMap[keyof ResponseMap] | ErrorResponse;
-export type AttachClientRequest = AttachRpcRequest;
-export type AttachServerResponse = AttachReadyResponse | AttachEventResponse | AttachRpcResponse | ErrorResponse;
+export type AttachClientRequest = AttachRpcRequest | RpcExtensionUIResponse;
+export type AttachServerResponse =
+	| AttachReadyResponse
+	| AttachEventResponse
+	| AttachRpcResponse
+	| RpcExtensionUIRequest
+	| ErrorResponse;
 export type ProtocolMessage = OrchestratorRequest | OrchestratorResponse | AttachClientRequest | AttachServerResponse;
 
 export type ResponseFor<T extends OrchestratorRequest> = T extends { type: infer K }

packages/orchestrator/src/ipc/server.ts

@@ -35,6 +35,7 @@ export interface IpcRequestHandler {
 		instanceId: string,
 		onEvent: (response: AttachRpcResponse) => void,
 		onSessionEvent: (event: import("@earendil-works/pi-coding-agent").AgentSessionEvent) => void,
+		onUiRequest: (request: import("@earendil-works/pi-coding-agent").RpcExtensionUIRequest) => void,
 	):
 		| {
 				handleRequest(request: AttachClientRequest): Promise<void>;
@@ -80,6 +81,9 @@ export async function startIpcServer(handler: IpcRequestHandler): Promise<Server
 						(event) => {
 							socket.write(encodeMessage({ type: "attach_event", event }));
 						},
+						(request) => {
+							socket.write(encodeMessage(request));
+						},
 					);
 					if (!attachment) {
 						socket.end(