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session-summary

Productivity
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Use at the end of a work session on a DAE feature, so the next session picks up cleanly. Triggers — "/engineer.session-summary", "wrap up the session", "write the session log", "I'm stopping for the day".

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Source SKILL.md: https://github.com/swingerman/disciplined-agentic-engineering/blob/HEAD/engineer/skills/session-summary/SKILL.md

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session-summary

Write the per-session entry in a feature's session-log.md so the human can close the laptop and pick back up cleanly. The human-readable counterpart to the machine handoffs. checkpoint: null.

When to use

At the end of a work session on a feature. A Stop hook may auto-invoke it; that hook is optional plugin config, not part of this skill.

Not for: mid-session (nothing's wrapping up); syncing the tracker (progress-log); per-skill records (each skill's own handoff).

Workflow

  1. Resolve + scope — resolve the methodology root + manifest via ${CLAUDE_PLUGIN_ROOT}/scripts/dae_resolve.py (see references/resolving.md). Scope = the feature(s) the session touched (default: current branch; multiple → an entry in each; none → nothing to log, stop).
  2. Gather — synthesize from this session's handoffs/*.md, git activity on the branch, and conversation context (decisions, problems, deferrals).
  3. Append the entry — append (never overwrite) to features/NNN-<slug>/session-log.md:
## Session — <ISO date> <start>–<end>
**Current state:** <which checkpoint, one line>
### Previous tasks (done this session)
- ...
### Current task
- <in progress at session end, if any>
### Next tasks
- <concrete, actionable, ordered>
### Open questions / blockers
- <or "None">

Create the file with a # Session log — <title> heading if absent.

  1. Tear down session-end infra. Run ${CLAUDE_PLUGIN_ROOT}/scripts/dae_infra.py teardown (no args = all entries with effective teardown: session-end or always). Default behavior leaves entries with teardown: leave-running (the per-entry default and the project-wide default we ship with) untouched — emulators are expensive to start, and the user typically wants them up across sessions while working on a feature. The teardown's JSON output goes into the session log as a one-line summary.

  2. Branch cleanup if merged. If the current branch is not main/master, run git fetch origin --quiet then git merge-base --is-ancestor HEAD origin/HEAD (fallback origin/main). If the branch is merged, defer to /engineer.post-merge (the dedicated cleanup skill) — at autonomy high/medium auto-invoke it; at low surface the finding. If the branch is not merged, do nothing — the work isn't complete yet. Record the post-merge outcome in the session log.

  3. Handoff — emit a summary.

Handoff

Emit per ${CLAUDE_PLUGIN_ROOT}/references/handoff-summary.md. checkpoint: null; human_action_needed: no; recommended_next: the first "Next task" from the entry. (session-summary is not the handoff processor, so it follows the normal contract — no exemption.)

session-log.md vs handoffs vs progress.md

Three records, three readers: handoffs/ = machine, per-invocation; progress.md = machine-derived, glanceable; session-log.md = human, per-session, narrative. They don't duplicate — different granularity, different reader.

References

  • Foundation Design — session-log.md in the storage layout, the session-log ↔ handoffs distinction (Section 5)
  • engineer/scripts/dae_infra.py — invoked here at session end