reference-pack

This is the canonical reference for a third-party gbrain skillpack. Read its tree once and you know how to author one.

What this skill does

When the user asks how third-party gbrain skillpacks work, this skill points them at the four artifacts every pack ships:

• skillpack.json — declares pack metadata + which artifacts the doctor scores (skills, unit_tests, e2e_tests, llm_evals, routing_evals, runbooks, changelog).
• skills/<name>/SKILL.md — frontmatter (name, description, mutating, triggers) plus markdown body. Agents route on triggers:; the body is the in-context instruction set.
• runbooks/bootstrap.md — agent-readable post-scaffold steps. gbrain DISPLAYS this after scaffold lands; the agent walks per-step at its own discretion. No auto-executor (codex T1 supply-chain hardening).
• CHANGELOG.md — Keep-a-Changelog shape. The doctor's changelog_ present_and_current dimension fails if there's no ## [<version>] entry matching the manifest's version.

What the doctor scores

Ten binary dimensions, split into:

Core (5; must all pass to publish at any tier):

1. manifest_valid — schema-validates skillpack.json
2. `ski…