geointel/docs/30-codex-optimization/M13_HANDOFF_SUMMARY.md

M13 Handoff Summary — Codex Optimization Pack

M13 adds the final layer intended to improve tomorrow's Codex execution quality.

Added

• Codex optimization overview.
• Codex run checklist.
• Prompt discipline rules.
• Token/context budget policy.
• Secrets and environment policy.
• Parallel agent strategy.
• Codex skills index.
• Reusable skills under skills/.
• M13 day-one optimized master prompt.
• Pass completion report prompt.
• Updated readiness checks for M13 assets.

Why this matters

M12 made the repository run-ready. M13 makes the repository easier for Codex to execute correctly without wasting context, drifting from contracts, leaking secrets, or making undocumented architecture choices.

Recommended next action

Use:

• prompts/codex/m13/DAY_1_OPTIMIZED_MASTER_PROMPT.md

for the first serious Codex build run.