Initialize calm game project

development/_reference/ai/README.md

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+# AI Reference
+
+Shared references for Codex and other AI coding agents in this project.
+
+## Entry Points
+
+| Topic | Location |
+|---|---|
+| Project contract | [AGENTS.md](../../../AGENTS.md) |
+| Autonomous agent harness | [autonomous-agent-harness.md](autonomous-agent-harness.md) |
+| Worker loop command | [scripts/run-agent-loop.mjs](scripts/run-agent-loop.mjs) |
+| Pi worker wrapper | [scripts/run-pi-worker.mjs](scripts/run-pi-worker.mjs) |
+
+Use `npm run agent:loop -- --task "<concrete task>"` when Codex delegates
+implementation to Pi. Codex remains the orchestrator, verifier, reviewer, and
+committer.