Method dispatchEvent

go/session.go:1350–1362

dispatchEvent enqueues an event for delivery to user handlers and fires broadcast handlers concurrently. Broadcast work (tool calls, permission requests) is fired in a separate goroutine so it does not block the JSON-RPC read loop. User event handlers are delivered by a single consumer goroutine (p

(event SessionEvent)

// are delivered by a single consumer goroutine (processEvents), guaranteeing
// serial, FIFO dispatch without blocking the read loop.
func (s *Session) dispatchEvent(event SessionEvent) {
	s.updateOpenCanvasesFromEvent(event)
	go s.handleBroadcastEvent(event)

	// Send to the event channel in a closure with a recover guard.
	// Disconnect closes eventCh, and in Go sending on a closed channel
	// panics — there is no non-panicking send primitive. We only want
	// to suppress that specific panic; other panics are not expected here.
	func() {
		defer func() { recover() }()
		s.eventCh <- event
	}()
}

// processEvents is the single consumer goroutine for the event channel.
// It invokes user handlers serially, in arrival order. Panics in individual