Skill: Write Agents Entry

Purpose

Write or revise AGENTS.md at the repo root per the "Output contract" section below, so that when an Agent touches the project it has a clear project identity, authoritative sources, and behavioral expectations, and behaves consistently and predictably. The output contract is embedded in this SKILL.md so one load gives the full spec and steps.

Core Objective

Primary Goal: Produce a compliant AGENTS.md file that establishes project identity, authoritative sources, and behavioral expectations for AI agents.

Success Criteria (ALL must be met):