docs(issue-30-33): table rows for --job-timeout, MAM_JOB_TIMEOUT_S, wall_clock_timeout and the stall watcher knobs

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

.agents/skills/multi-agent-mux-delegate-job/SKILL.md

@@ -46,6 +46,8 @@ multi-agent-mux-delegate-job submit \
   #   must arrive within T s of the injection or the inject fails closed.
   #   --prompt-file <path> replaces --prompt for long prompts (Issue #36): one
   #   argv string is capped at 131,072 bytes on Linux. The loop always uses it.
+  #   MAM_JOB_TIMEOUT_S: the budget when --timeout is not given (default 3600).
+  #   MAM_STALL_IDLE_S (600) / MAM_STALL_HERDR_FAIL_S (120) / MAM_STALL_WATCH=0: the stall watcher (Issue #30).
   #   --parent-job <id> (Issue #34): this job is delegated from job <id>, which
   #   must exist in the registry (else exit 1). A loop waiting on <id> waits for
   #   it too and shows it to reviewers. Default: $MAM_JOB_ID (the remote runner
@@ -95,6 +97,7 @@ Under fail-closed operation (`MAM_DELEGATE_FAIL_CLOSED=1`, default), the CLI ret
 | `0` | Success | `completed` | Job succeeded and completed event received or verified on disk with approval (`PASS`/`AGREE`). |
 | `1` | Failure | `error` | Execution failure / delivery failure: no `started` within `--ack-timeout` T s after the injection (`agent_blocked`; the prompt is never re-injected), or the input never reached the pane. |
 | `2` | Timeout | `error` (`deadline_timeout`) | Subscriber timeout (total budget or idle timeout reached without terminal event). **R1 liveness grace (Issue #18)**: after the subscriber idles out the wrapper keeps re-observing the disk while the job's events.log shows an event at most K x N (`--idle-timeout`) old - the automatic heartbeat counts - up to the wall-clock `--timeout`. herdr status and the pane are logged as a diagnostic only. |
+| `2` | Wall clock | `error` (`wall_clock_timeout`) | The budget (`--timeout`) ran out, events or not (Issue #33; was `deadline_timeout` before v4.7.5). |
 | `3` | Broker Error | `error` (`deadline_timeout`) | Broker unavailable (`MQTT_BROKER_UNAVAILABLE`) and terminal status not found on disk during deadline. |
 | `5` | Session Busy | `cancelled` (`session_busy`) | Precondition failed / `session_busy`: Preflight check (`preflight_agent`) or TUI idle handshake wait failed (prompt never delivered, retryable). |