137 lines
7.5 KiB
Markdown
137 lines
7.5 KiB
Markdown
---
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name: tmux-agent-orchestrate-stop
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description: "Stop an agent tmux session (claude, antigravity/agy) and update .hermes/agent-sessions.yaml. Default stops gracefully and marks status=stopped with conversation preserved for resume. Does NOT delete on-disk conversation artifacts (jsonl/db) — those are preserved unless --purge-conversation is passed. Use when ending a work session, switching to a different one, or cleaning up before a fresh start."
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version: 1.0.0
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author: godopu
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license: MIT
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platforms: [linux, macos]
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environments: [terminal, tmux]
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metadata:
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hermes:
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tags: [agent, tmux, claude, antigravity, agy, multi-agent, stop, terminate, cleanup]
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related_skills: [tmux-agent-orchestrate-create, tmux-agent-orchestrate-resume, tmux-agent-orchestrate-monitor]
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prereq_skills: [tmux-agent-orchestrate-create, tmux-agent-orchestrate-resume]
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---
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# Multi-Agent Stop — Stop an Agent tmux Session
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> **Companion skills**: `tmux-agent-orchestrate-create` (start), `tmux-agent-orchestrate-resume` (re-attach), `tmux-agent-orchestrate-monitor` (live status).
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> **Tmux Isolation**: `stop` 명령은 YAML의 `tmux_server` 필드를 자동으로 파싱하여 해당 격리 서버의 세션을 안전하게 종료(kill)하므로, `TMUX_SERVER_NAME` 환경변수를 수동으로 지정할 필요가 없습니다.
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> **Single source of truth**: `./.hermes/agent-sessions.yaml`.
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## What this skill does
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Stop an agent's tmux session gracefully, resolve and store the conversation ID, and **mark the YAML entry (status=stopped)**. Preserves:
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- The tmux session's recorded `pane.pid / cmd / cwd / mcp_attachments` for audit
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- The agent's on-disk conversation (claude `*.jsonl`, agy `conversations/*.db`) — so the user can `tmux-agent-orchestrate-resume` later
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- The `start_command` so a future `tmux-agent-orchestrate-create --session <name>` reproduces the same tmux spec
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The stop command is always **graceful by default**:
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1. Sends exit keys to the agent TUI (`/exit` for Claude, `Exit` for Agy) and waits 3 seconds.
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2. If still alive, issues `tmux kill-session` (SIGTERM) and waits 5 seconds.
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3. If still alive, kills the pane PID via SIGKILL (`kill -9`) as a last resort.
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4. Auto-captures the conversation ID into the row (`claude_session_id_own`/`agy_conversation_id_own`) before killing, ensuring the next resume uses a race-free tier-1 lookup.
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## Pre-flight
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```bash
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SESSION_NAME=<workspace>-creator-<agent> # convention
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AGENT_SESSIONS_YAML=.hermes/agent-sessions.yaml
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# 1) Session is registered?
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python3 -c "
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import yaml
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d = yaml.safe_load(open('$AGENT_SESSIONS_YAML'))
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names = [s['name'] for s in d.get('tmux_sessions', [])]
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if '$SESSION_NAME' not in names:
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print('NOT in YAML — refusing to stop (no audit trail). Use tmux-agent-orchestrate-create first, or pass --force-no-yaml.')
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raise SystemExit(1)
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"
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# 2) Already stopped?
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ALREADY=$(python3 -c "
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import yaml
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d = yaml.safe_load(open('$AGENT_SESSIONS_YAML'))
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s = [x for x in d['tmux_sessions'] if x['name']=='$SESSION_NAME'][0]
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print(s.get('status', 'unknown'))
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")
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if [ "$ALREADY" = "stopped" ]; then
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echo "Already stopped."
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fi
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```
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## Workflow
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```bash
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# 1. Stop gracefully (default — captures ID, shuts down safely, status=stopped)
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bash .agents/skills/tmux-agent-orchestrate-stop/scripts/stop_session.sh \
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--session "$SESSION_NAME"
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# 2. Stop gracefully + record a custom stop reason
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bash .agents/skills/tmux-agent-orchestrate-stop/scripts/stop_session.sh \
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--session "$SESSION_NAME" --reason api_error
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# 3. Stop gracefully + clean up on-disk conversation (DANGEROUS)
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# — this prevents any future resume (status=terminated, resumable=false).
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bash .agents/skills/tmux-agent-orchestrate-stop/scripts/stop_session.sh \
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--session "$SESSION_NAME" --purge-conversation
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```
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**Idempotency**: if the row is already `status: stopped`, the script prints `already stopped (...)` and exits 0 — re-running is a safe no-op.
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### State machine
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```
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running ──(stop default / --reason)────────► stopped (resumable:true, conv preserved)
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running ──(stop --purge-conversation --yes)► terminated (resumable:false, conv deleted)
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stopped ──(stop default … again)───────────► stopped (idempotent no-op)
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```
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Fields written in STOP mode: `status: stopped`, `stopped_at`, `stopped_at_epoch`, `stop_reason`, `termination_mode: graceful`, `claude_session_id_own`/`agy_conversation_id_own` and `resumable: true`.
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If `--purge-conversation` is used: `status: terminated`, `terminated_at`, `terminated_at_epoch`, `termination_mode: purge` and `resumable: false`.
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The script:
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1. Verifies the session is in agent-sessions.yaml
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2. If `delegate_job_id` is set, automatically publishes a `progress --detail "terminating"` event to the tmux-agent-orchestrate-delegate-job registry
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3. Captures the `last_visible_status` from `tmux capture-pane` (so we have a final TUI snapshot for audit)
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4. Attempts graceful exit keys → SIGTERM kill-session → SIGKILL fallback
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5. For `purge-conversation`: deletes `~/.claude/projects/.../jsonl` (claude) or `~/.gemini/antigravity-cli/conversations/...db` + `brain/...` (agy)
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6. Updates the YAML entry and SQLite database atomically
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7. If `delegate_job_id` is set, publishes a `completed` event to the tmux-agent-orchestrate-delegate-job registry
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## Pitfalls
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- **Don't delete on-disk artifacts by default** — the agent's `*.jsonl` / `conversations/*.db` is the data that `tmux-agent-orchestrate-resume` needs. `--purge-conversation` is for when the user is genuinely done with the conversation and wants zero recovery chance.
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- **YAML is append-only until you write a stop** — if a previous run left the entry as `running` but tmux is actually dead (crash, host reboot), the YAML is stale. Running `tmux-agent-orchestrate-stop` will detect "tmux already dead, just update YAML" and proceed.
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- **Don't delete the `claude_session_id_own: null` placeholder** — when the user creates a fresh session with `tmux-agent-orchestrate-create` and never sent a message, the entry has `claude_session_id_own: null`. Stopping must preserve that field.
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- **Monitor skill may still be tracking** — if `tmux-agent-orchestrate-monitor` is running a heartbeat loop, stopping a session while it watches will trigger its `tmux ls != yaml` reconciliation. That's expected — let the monitor run, it will mark the entry as `terminated` on its own.
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## Verification
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```bash
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# 1. tmux gone
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tmux has-session -t "$SESSION_NAME" 2>/dev/null && echo "STILL ALIVE" || echo "OK: tmux gone"
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# 2. YAML has stopped entry
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python3 -c "
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import yaml
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d = yaml.safe_load(open('$AGENT_SESSIONS_YAML'))
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s = [x for x in d['tmux_sessions'] if x['name']=='$SESSION_NAME'][0]
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assert s['status'] == 'stopped', f'expected stopped, got {s[\"status\"]}'
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assert s.get('stopped_at'), 'missing stopped_at'
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print(f'OK: stopped at {s[\"stopped_at\"]}')
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print(f' preserved: pane.pid={s[\"pane\"][\"pid\"]}, cmd={s[\"pane\"][\"cmd\"]}, cwd={s[\"pane\"][\"cwd\"]}')
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"
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# 3. (if --purge-conversation) disk artifacts gone
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[ -f "${CLAUDE_PROJECT_DIR:-$HOME/.claude/projects}/<projkey>/<uuid>.jsonl" ] && echo "WARN: jsonl still exists" || echo "OK: jsonl purged"
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```
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## When NOT to use this skill
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- **Just detaching** → `tmux detach` (Ctrl-B d) or just close the terminal. The tmux session keeps running.
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- **Stopping the agent inside but keeping tmux** → send `Ctrl-C` or `/exit` (claude) / `Ctrl-D` (agy) via `tmux send-keys`. The tmux session stays but the agent process is gone.
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- **Replacing an existing session with a new one** → `tmux-agent-orchestrate-stop` first, then `tmux-agent-orchestrate-create`.
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