What problem does it solve? Code changes often ship without corresponding documentation updates, leaving READMEs, API references, and configuration guides outdated and misleading for users. ## Core Features & Use Cases - Change-Type Checklists: Maps each change type (feature, configuration, API, installation, developer workflow) to the exact documentation files that must be updated. - Bilingual Verification: Enforces synchronized updates to both English and Chinese (.zh-CN.md) documentation variants, including language-switch links and cross-references. - Exit Criteria Gates: Blocks completion until links are verified, code examples are tested, and both language versions match actual behavior. - Use Case: After adding a new API endpoint to the SublinkPro project, run this checklist to confirm the API reference, skill workflows, and both language versions of affected docs are updated in the same PR. ## Quick Start Review my recent code changes and check which documentation files need to be updated using the doc-sync-check checklist.