fix: rpc-entry and bun support

packages/coding-agent/package.json

@@ -15,6 +15,9 @@
 		".": {
 			"types": "./dist/index.d.ts",
 			"import": "./dist/index.js"
+		},
+		"./rpc-entry": {
+			"import": "./dist/rpc-entry.js"
 		}
 	},
 	"files": [
@@ -27,7 +30,7 @@
 	],
 	"scripts": {
 		"clean": "shx rm -rf dist",
-		"build": "tsgo -p tsconfig.build.json && shx chmod +x dist/cli.js && npm run copy-assets",
+		"build": "tsgo -p tsconfig.build.json && shx chmod +x dist/cli.js dist/rpc-entry.js && npm run copy-assets",
 		"build:binary": "npm --prefix ../tui run build && npm --prefix ../ai run build && npm --prefix ../agent run build && npm run build && bun build --compile ./dist/bun/cli.js ./src/utils/image-resize-worker.ts --outfile dist/pi && npm run copy-binary-assets",
 		"copy-assets": "shx mkdir -p dist/modes/interactive/theme && shx cp src/modes/interactive/theme/*.json dist/modes/interactive/theme/ && shx mkdir -p dist/modes/interactive/assets && shx cp src/modes/interactive/assets/*.png dist/modes/interactive/assets/ && shx mkdir -p dist/core/export-html/vendor && shx cp src/core/export-html/template.html src/core/export-html/template.css src/core/export-html/template.js dist/core/export-html/ && shx cp src/core/export-html/vendor/*.js dist/core/export-html/vendor/",
 		"copy-binary-assets": "shx cp package.json dist/ && shx cp README.md dist/ && shx cp CHANGELOG.md dist/ && shx mkdir -p dist/theme && shx cp src/modes/interactive/theme/*.json dist/theme/ && shx mkdir -p dist/assets && shx cp src/modes/interactive/assets/*.png dist/assets/ && shx mkdir -p dist/export-html/vendor && shx cp src/core/export-html/template.html dist/export-html/ && shx cp src/core/export-html/vendor/*.js dist/export-html/vendor/ && shx cp -r docs dist/ && shx cp -r examples dist/ && shx cp ../../node_modules/@silvia-odwyer/photon-node/photon_rs_bg.wasm dist/",

packages/coding-agent/src/rpc-entry.ts

@@ -0,0 +1,12 @@
+#!/usr/bin/env node
+import { APP_NAME } from "./config.ts";
+import { configureHttpDispatcher } from "./core/http-dispatcher.ts";
+import { main } from "./main.ts";
+
+process.title = `${APP_NAME}-rpc`;
+process.env.PI_CODING_AGENT = "true";
+process.emitWarning = (() => {}) as typeof process.emitWarning;
+
+configureHttpDispatcher();
+
+main(["--mode", "rpc", ...process.argv.slice(2)]);

packages/orchestrator/package.json

@@ -3,9 +3,6 @@
 	"version": "0.80.2",
 	"description": "experimental orchestrator package for pi",
 	"type": "module",
-	"bin": {
-		"orchestrator": "dist/cli.js"
-	},
 	"main": "./dist/index.js",
 	"types": "./dist/index.d.ts",
 	"exports": {

packages/orchestrator/src/config.ts

@@ -4,6 +4,13 @@ import { join } from "node:path";
 const CONFIG_DIR_NAME = ".pi";
 const ENV_ORCHESTRATOR_DIR = "PI_ORCHESTRATOR_DIR";
 
+/**
+ * Detect if we're running as a Bun compiled binary.
+ * Bun binaries have import.meta.url containing "$bunfs", "~BUN", or "%7EBUN" (Bun's virtual filesystem path)
+ */
+export const isBunBinary =
+	import.meta.url.includes("$bunfs") || import.meta.url.includes("~BUN") || import.meta.url.includes("%7EBUN");
+
 export function getOrchestratorDir(): string {
 	const envDir = process.env[ENV_ORCHESTRATOR_DIR];
 	if (envDir) {

packages/orchestrator/src/rpc-process.ts

@@ -1,8 +1,7 @@
 import { type ChildProcess, spawn } from "node:child_process";
 import { randomUUID } from "node:crypto";
-import { existsSync } from "node:fs";
+import { createRequire } from "node:module";
 import { dirname, join } from "node:path";
-import { fileURLToPath } from "node:url";
 import type {
 	AgentSessionEvent,
 	RpcCommand,
@@ -10,6 +9,7 @@ import type {
 	RpcExtensionUIResponse,
 	RpcResponse,
 } from "@earendil-works/pi-coding-agent";
+import { isBunBinary } from "./config.ts";
 
 interface PendingRequest {
 	resolve(response: RpcResponse): void;
@@ -26,13 +26,19 @@ export interface RpcProcessInstance {
 	dispose(): Promise<void>;
 }
 
-function resolveCodingAgentCli(): string {
-	const packageDir = dirname(fileURLToPath(import.meta.url));
-	const workspaceCli = join(packageDir, "../../coding-agent/dist/cli.js");
-	if (existsSync(workspaceCli)) {
-		return workspaceCli;
+const require = createRequire(import.meta.url);
+
+function getRpcSpawnCommand(): { command: string; args: string[] } {
+	if (isBunBinary) {
+		return {
+			command: join(dirname(process.execPath), process.platform === "win32" ? "pi.exe" : "pi"),
+			args: ["--mode", "rpc"],
+		};
 	}
-	throw new Error(`Unable to find coding-agent RPC CLI: ${workspaceCli}`);
+	return {
+		command: process.execPath,
+		args: [require.resolve("@earendil-works/pi-coding-agent/rpc-entry")],
+	};
 }
 
 function toError(error: unknown): Error {
@@ -40,8 +46,8 @@ function toError(error: unknown): Error {
 }
 
 export function createRpcProcessInstance(options: { cwd: string }): RpcProcessInstance {
-	const cliPath = resolveCodingAgentCli();
-	const child = spawn(process.execPath, [cliPath, "--mode", "rpc"], {
+	const rpcCommand = getRpcSpawnCommand();
+	const child = spawn(rpcCommand.command, rpcCommand.args, {
 		cwd: options.cwd,
 		env: process.env,
 		stdio: ["pipe", "pipe", "pipe"],