Initial public release

docs/CODEX_AUTONOMOUS_RUNBOOK_M4.md

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+# Codex Autonomous Runbook M4
+
+Use this runbook when starting an autonomous implementation session.
+
+## Before Coding
+1. Read `README.md`.
+2. Read `AGENTS.md`.
+3. Read `docs/DEVELOPMENT_RULES.md`.
+4. Read `docs/M4_AUTONOMOUS_BUILD_READINESS.md`.
+5. Read `docs/SPRINT_BOARD_M4.md`.
+6. Read module contract for the sprint being implemented.
+
+## Implementation Rules
+- Build in the sprint order unless explicitly instructed otherwise.
+- Do not skip backend tests for frontend work.
+- Do not add a new dependency without updating dependency documentation.
+- Do not invent new architecture where a contract already exists.
+- Preserve fixture determinism.
+- Update TODO and changelog after each pass.
+
+## End-of-Pass Report Format
+Each Codex pass must end with:
+
+```md
+## Completed
+- ...
+
+## Tests Run
+- ...
+
+## Changed Files
+- ...
+
+## Remaining TODO
+- ...
+
+## Risks / Blockers
+- ...
+```
+
+## Stop Conditions
+Stop and ask for human direction only if:
+- A required external credential is missing.
+- A core architecture decision conflicts across documents.
+- A dependency cannot be installed or replaced safely.
+- Data license terms are unclear for a live connector.