phxstack-learn

Append one three-line lesson to LEARNED.md. Use after shipping, when something surprised you, or when a non-obvious fix would save future time.

SKILL.md

GitHub

phxstack-learn

One lesson. Three lines. No essay.

Search LEARNED.md for an equivalent entry. If none exists, append exactly:

## YYYY-MM-DD — Short title
One useful fact.
One consequence or action.