Harry Bayliss 95b1967e9b Fix daemon shutdown hang and concurrent-send race ...

- daemon_net: close the client transport on context cancellation so the
  per-connection Recv loop unblocks; otherwise wg.Wait() in the accept loop
  hung on a still-connected client and the daemon never stopped.
- protocol: guard ConnTransport.Send with a mutex so the subscriber pump and
  command handlers can push frames concurrently without racing the bufio.Writer.

Fixes TestDaemonDetachReattachPreservesProcess (now passes under -race).

2026-05-27 13:59:47 +01:00

1.7 KiB

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