What
Background-agent descriptions are sanitised before being shown in the running-agents line; websocket URLs are normalised so https: and wss: become wss: and http: and ws: become ws:, with an error for any other scheme; and mkdir now accepts a permission mode.
Details
- The internal side query that generates titles and summaries explicitly disables thinking.
- A filesystem error message now reads "refusing a directory at the leaf".
- Background sessions record that they were born from a spare when
CLAUDE_BG_SOURCEisspare.
Evidence
unsupported socket base scheme
Strings lifted out of the shipped bundle, so the claim above can be checked against them.