lessons-trim

You can automate lessons.md deduplication by running periodic maintenance that prunes stale entries, merges duplicates, and deletes exhausted feature-specific files to prevent knowledge drift and bloat.

The best way to clean up completed feature-specific lessons files is to delete exhausted per-feature notes under tasks/<feature>/lessons.md and prune the global tasks/lessons.md during housekeeping.

Run periodic maintenance on your project knowledge base during scheduled housekeeping or after feature completion to remove stale entries, merge duplicates, and enforce periodic trim rules.

Yes, project management housekeeping works with both global lessons at tasks/lessons.md and per-feature files under tasks/<feature>/lessons.md, applying deduplication and removing stale entries to prevent bloat.

Your knowledge base has duplicate lessons from unmanaged periodic updates; fix it by running automated trim maintenance that merges duplicate entries, removes stale guidance, and deletes exhausted feature-scoped files.