🤖 fix: repair terminal-bench agent path and source execution

Updates mux-run.sh to point to correct src/cli/debug/agentSessionCli.ts path.
Updates workerPool.ts to support running tokenizer worker from source (Bun) when dist is missing.
Updates benchmarking docs to reflect correct path.

Author: ammar-agent

benchmarks/terminal_bench/mux-run.sh

@@ -77,7 +77,7 @@ ensure_git_repo "${project_path}"
 log "starting mux agent session for ${project_path}"
 cd "${MUX_APP_ROOT}"
 
-cmd=(bun src/debug/agentSessionCli.ts
+cmd=(bun src/cli/debug/agentSessionCli.ts
   --config-root "${MUX_CONFIG_ROOT}"
   --project-path "${project_path}"
   --workspace-path "${project_path}"

docs/benchmarking.md

@@ -65,7 +65,7 @@ The adapter lives in `benchmarks/terminal_bench/mux_agent.py`. For each task it:
 
 1. Copies the mux repository (package manifests + `src/`) into `/tmp/mux-app` inside the container.
 2. Ensures Bun exists, then runs `bun install --frozen-lockfile`.
-3. Launches `src/debug/agentSessionCli.ts` to prepare workspace metadata and stream the instruction, storing state under `MUX_CONFIG_ROOT` (default `/root/.mux`).
+3. Launches `src/cli/debug/agentSessionCli.ts` to prepare workspace metadata and stream the instruction, storing state under `MUX_CONFIG_ROOT` (default `/root/.mux`).
 
 `MUX_MODEL` accepts either the mux colon form (`anthropic:claude-sonnet-4-5`) or the Terminal-Bench slash form (`anthropic/claude-sonnet-4-5`); the adapter normalises whichever you provide.
 

src/node/utils/main/workerPool.ts

@@ -1,5 +1,5 @@
 import { Worker } from "node:worker_threads";
-import { join, dirname, sep } from "node:path";
+import { join, dirname, sep, extname } from "node:path";
 
 interface WorkerRequest {
   messageId: number;
@@ -37,15 +37,21 @@ const hasDist = pathParts.includes("dist");
 const srcIndex = pathParts.lastIndexOf("src");
 
 let workerDir: string;
-if (srcIndex !== -1 && !hasDist) {
+let workerFile = "tokenizer.worker.js";
+
+if (extname(__filename) === ".ts") {
+  // Running from source (e.g. via Bun)
+  workerDir = currentDir;
+  workerFile = "tokenizer.worker.ts";
+} else if (srcIndex !== -1 && !hasDist) {
   // Replace 'src' with 'dist' in the path (only if not already in dist)
   pathParts[srcIndex] = "dist";
   workerDir = pathParts.join(sep);
 } else {
   workerDir = currentDir;
 }
 
-const workerPath = join(workerDir, "tokenizer.worker.js");
+const workerPath = join(workerDir, workerFile);
 const worker = new Worker(workerPath);
 
 // Handle messages from worker