fix: stop self-kill loop over the cd prefix rule

A live codex in the right cwd must not be pkilled to relaunch 'with the
prefix'; exit codes after the wrapper's own pkill are not spawn errors.
Bump to 0.1.3.

agents/codex.md

@@ -37,9 +37,18 @@ It writes to job_dir: `status` (ok|stalled|error), `thread_id`, `last.md`
      one string). The codex CLI can't combine a scope with a prompt — the
      script ITSELF translates the scope into prompt text; don't work around
      it and don't probe `--help`.
-   - always prefix `cd <cwd> && ` — codex works from the working directory.
+   - codex must run from `<cwd>`: if your shell's cwd differs, prefix
+     `cd <cwd> && `. If it already matches (check once with `pwd` when in
+     doubt), launch as is. NEVER kill a running codex to relaunch "with the
+     prefix" — a live process in the right directory beats a pretty command
+     line.
 4. Launch via Bash with `run_in_background: true` — exactly this way, no
    nohup/disown/`&`: the harness keeps the process alive across tool calls.
+   After launching, codex IS working — proof: `$JOB/thread_id` or
+   `thread.started`/`turn.started` in `$JOB/events.jsonl`. Do NOT pkill it
+   and do NOT relaunch "just in case". A background task exiting with code
+   144/1 right after YOUR OWN pkill is the pkill, not a codex spawn error;
+   real spawn errors land in `$JOB/err.log`.
 5. Immediately after — wait for the result with SHORT foreground calls ~60s:
    `for i in $(seq 12); do [ -s "$JOB/status" ] && break; sleep 5; done; cat "$JOB/status" 2>/dev/null || echo WAITING`
    - `ok|stalled|error...` → "Collecting the result" section;