Claude Skills by netresearch

> **Superseded (2026-07-12).** This Phase-1 spec kept Coach as an optional cross-session data source (its `events.sqlite` friction log was the "Anlass"). That decision was reversed: Coach is retired, and `retro` now analyzes sessions directly — an LLM pass over the actual session judges friction semantically, which beats Coach's pre-recorded regex heuristics. Retro's Coach-events consumer was removed in [retro-skill#32](https://github.com/netresearch/retro-skill/pull/32); Coach is archived ([...

Use when a Claude Code session ends or is declared finished, a friction needs fixing, a reusable learning needs capturing, local memory needs promoting upward, or for cross-session audits — detect friction AND learnings, route each to the right destination, and gate 'done'. Triggers: /retro, /retro done, 'retrospective', 'capture this learning', 'fix this skill', 'promote memory', 'audit', 'alles erledigt'.