Under the hoodTier: how much it should matter to you
2Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
AgentsArea: what it touches
Internal ChangesKind: in v2.1.228,
Internal ChangesSection of the release
What
The event filter on the managed agent session stream now accepts user.tool_result alongside the custom tool result events it already allowed, and the session tool runner emits and reads that shape when reporting results from non-custom tools.
Evidence
"user.tool_result"
Strings lifted out of the shipped bundle, so the claim above can be checked against them.
