feat(.claude): 5 gstack-inspired skills + cron upgrades - #60
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Research on garrytan/gstack surfaced 5 patterns worth importing into our cron / agent setup. These are skills, not platform code — they guide how the cron and our own subagents work, not what the platform does at runtime. ## New skills 1. **cross-vendor-review** — adversarial second-model review for noteworthy PRs (auth, billing, data deletion, migrations). Catches the 15-30% of bugs single-model review misses. Inspired by gstack's /codex. 2. **careful-mode** — REFUSE/WARN/ALLOW lists for destructive commands. Refuses force-push to main, blocks merging draft PRs, prevents rm -rf outside scratch dirs. Inspired by gstack's /careful + /freeze. 3. **cron-learnings** — per-project JSONL of operational learnings appended at the end of every tick, replayed at the start of the next. Stops the cron from re-litigating decided issues. Inspired by gstack's /learn. 4. **cron-retro** — weekly retrospective auto-posted as a GitHub issue. Sunday 23:07 local. Tracks PR count, time-to-merge, gate failure trends, code-review severity over time. Inspired by gstack's /retro. 5. **llm-judge** — cheap LLM-as-judge eval to catch "agent shipped the wrong thing" — the failure mode unit tests miss. Plug into issue-pickup pipeline so worker-agent draft PRs get scored before being marked ready. Inspired by gstack's tier-3 test infra. ## Cron updates (session-only, c5074cd5 + 060d136c) - Hourly triage cron now opens with careful-mode activation + cron-learnings replay (Step 0) - code-review skill on every PR being considered for merge (Step 2 supplement A — already present, formalized) - cross-vendor-review on noteworthy PRs (Step 2 supplement B — new) - llm-judge on issue-pickup draft PRs before marking ready (Step 4) - Status report now includes cross-vendor pass/fail and llm-judge scores (Step 5) - End-of-tick cron-learnings append (Step 5) - New weekly cron at Sun 23:07 invokes the cron-retro skill ## What we did NOT take from gstack - Their browser fork — not our product - The 23 named roles — we have agent role templates already - Bun toolchain — adds yet another runtime to our stack - /design-shotgun and design-tool variants — we're not a design tool - /document-release — our update-docs skill already covers this See PR description for full research notes. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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…rades feat(.claude): 5 gstack-inspired skills + cron upgrades
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After researching garrytan/gstack (Garry Tan's open-sourced YC-CEO Claude Code workflow), I imported 5 patterns into our
.claude/skills/. These guide the cron and our worker agents — they are NOT platform runtime code.What's added
cross-vendor-review/codexcareful-mode/careful+/freezecron-learnings/learncron-retro/retrollm-judgeCron prompts updated (session-only)
What we explicitly did NOT take
/design-shotgun(not our domain)/document-release(ourupdate-docscovers it)Test plan
cron-learningsskill expects🤖 Generated with Claude Code