fix: glm not found in dotfiles-less workers — bridge promotes models.json.fallback at startup (the fallback was never read by anything)

docker/bridge/index.mjs

@@ -3,7 +3,7 @@
 // web prompts through pi.sendUserMessage. This process just hosts the session.
 // Global npm layout: resolve pi via absolute path (NODE_PATH does not apply to ESM).
 import { spawn } from "node:child_process";
-import { existsSync } from "node:fs";
+import { copyFileSync, existsSync } from "node:fs";
 import {
 	createAgentSession,
 	ModelRuntime,
@@ -61,6 +61,13 @@ process.on("unhandledRejection", (err) => {
 
 try {
 	await runRepoSetup();
+	// Dotfiles-less bakes ship only models.json.fallback: promote it so the
+	// registry always resolves the zai provider (glm) instead of "not found".
+	const piAgent = "/root/.pi/agent";
+	if (!existsSync(`${piAgent}/models.json`) && existsSync(`${piAgent}/models.json.fallback`)) {
+		copyFileSync(`${piAgent}/models.json.fallback`, `${piAgent}/models.json`);
+		console.error("[lvmh-bridge] promoted models.json.fallback -> models.json");
+	}
 	// Optional initial model: LVMH_MODEL="provider/model-id" from the spawn
 	// request. Resolved against the session's model registry; a bad value is
 	// logged and falls back to the default model.