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xarmian
6ce542782d
An end-to-end trace of a pub/sub flap found the deployment doc claiming, for BOTH streams, that a reconnect or an undecodable message produces a mid-stream sync_required. True of the activity bus, which subscribes with ChannelWithSubscriptions and ends the workspace's coverage on either. False of the watch bus, which uses a plain Channel() and discards an undecodable payload with a log line — it learns of a hole only when a later notification arrives non-contiguous, so a flap that loses the newest notification with nothing published after it leaves a connected CLI silently stale. That gap is real and pre-existing (BUG-2731 was an activity-bus unit); filed as BUG-2739 rather than folded in, because widening DETECTION is a different claim from announcing what is already detected, and the watch bus's single replay buffer makes "end coverage" a decision rather than a copy. The doc now states the asymmetry and names the item. Also from the same round, both mine: a comment in the activity fan-out still said the drop was silent and that no bus had a channel to a live consumer, three lines above the code that signals one; and two metric descriptions still pointed operators at pad_*_resume_gaps_total for mid-stream signals, which the previous commit deliberately moved to pad_*_midstream_resyncs_total.