Replaces the ad-hoc "/loop finish game 1" with a durable skill that captures both the mission and the
method. Encodes: the 3-part definition of done (scope complete + headless sim complete + Rail-1
getState unification), the per-iteration loop (orient → load rails → pick → classify → implement →
verify-by-type → commit → continue), the stop-and-ask conditions (balance/scope/architecture/render-
host = owner's call), and the guardrails this session paid for (verify premises, Rust drives, eliminate
don't fix the orchestrator, no stubs, don't gold-plate). Chains the tooling built this session
(session-orient → specialist-preamble → code-layering → orchestration).
First project skill; creates tooling/claude/dot-claude/skills/. Available next session (skills load at
session start).
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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