Under the hood
Useful1 Signal2
Finished tool calls can notify one registered connector-state listener per session.
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What
When a tool call finishes, dispatch now calls a per-session listener after removing its abort listener, provided a condition on the dispatch result holds. The listener is registered through a new single-slot registry, so at most one listener per session receives it. The value that decides whether the call fires is computed locally and its origin is not visible from the dispatch code.
Evidence
tool_dispatch_end
Strings lifted out of the shipped bundle, so the claim above can be checked against them.