Under the hoodTier: how much it should matter to you
3Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
PermissionsArea: what it touches
Internal ChangesKind: in v2.1.248,
Internal ChangesSection of the release
What
The reasons a permission outcome can be explained by are now enumerated in one place: a rule, the current permission mode, subcommand results, a permission prompt tool, a hook, an async agent, a sandbox override, the working directory, a safety check, a classifier, or other.
Evidence
"permissionPromptTool"
Strings lifted out of the shipped bundle, so the claim above can be checked against them.