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Ettore Di Giacinto
f0fa4a7b1f
The WebSocket log handler writes its "initial" batch before it calls Subscribe, so a line appended the instant that batch arrives lands in the circular buffer with no subscriber to receive it. Three backend-logs specs append exactly there and then wait out a 5s read deadline; once a gorilla read hits its deadline the connection is unusable, so the spec cannot retry. `--focus='Worker WebSocket log streaming' --repeat=25` failed on attempt 17 with nothing else running, which is far too often to wire into CI. Add BackendLogStore.SubscriberCount, resolving a model ID by the same exact-key and replica-prefix rules Subscribe uses, and have the specs poll it until the handler has attached. Nothing in production calls it and no assertion is weakened; the handler's own snapshot/subscribe window is left as it is, being a production streaming question rather than a test one. Verified with 60 repeats of the WebSocket specs and three consecutive --randomize-all runs of the whole distributed suite, all at --flake-attempts 1: 239 of 240 specs pass in about 80 seconds. Assisted-by: Claude Opus 5 [claude-code] Signed-off-by: Ettore Di Giacinto <mudler@localai.io>