Maintain Project README

Maintain README.md files through one deterministic base-template workflow.

This skill is the primary layer for README maintenance. It defines the canonical shared README contract that downstream language-, framework-, stack-, or repository-specific customization can adapt through explicit extension, instead of ad hoc structure drift.

Inputs

• Required: --project-root <path>
• Required: --run-mode <check-only|apply>
• Optional: --readme-path <path>
• Optional: --config <path>

Workflow