Recent Colors now keeps up to 30 solid colors instead of 10, newest
first and each once; applying a 31st drops the oldest. The Session
holds the list, so it stays the same when another document is opened
or made active, and it lasts for the session.
The Color and Swatches panels wrap the chips onto further rows when
the panel is too narrow for one row, so every color can be clicked.
A list that fits one row draws as before.
Docs: paint.recent params text, docs/mcp.md, docs/target-app-parity.md.