Add 3 blips on coding-agent maintainability and skill-file optimization Maintainability Sensors for Coding Agents (Techniques/Assess), SkillOpt (Tools/Assess) folded with its arxiv paper as a citation, and AGENTS.md Inversion (Techniques/Assess) as a counterpoint to SkillOpt. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>