bridge: resolve pi SDK via absolute container path (global npm ESM resolution)

docker/bridge/index.mjs

@@ -1,7 +1,8 @@
 // lvmh worker bridge: headless pi session via SDK; the lvmh plugin (installed
 // at /root/.pi/agent/extensions/lvmh-agent.ts) dials the daemon and delivers
 // web prompts through pi.sendUserMessage. This process just hosts the session.
-import { createAgentSession } from "@earendil-works/pi-coding-agent";
+// Global npm layout: resolve pi via absolute path (NODE_PATH does not apply to ESM).
+import { createAgentSession } from "/usr/local/lib/node_modules/@earendil-works/pi-coding-agent/dist/index.js";
 
 process.on("unhandledRejection", (err) => {
 	console.error("[lvmh-bridge] unhandledRejection:", err);