# Lessons Learned

_Patterns, fixes, and discoveries extracted by /learn at session end._
_Claude reads this at Start Session to apply known lessons before touching anything._
_Never delete entries — only append._

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<!-- /learn appends entries in this format:

## [YYYY-MM-DD] - [short title]
**Context:** what you were doing
**Problem:** what went wrong or what was learned
**Solution/Pattern:** what works
**Apply when:** trigger conditions

-->
