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xarmian
ec70f13608
The "should this be here at all" angle, which my own record says I do not reliably ask of my own work. Six findings; one was a real inconsistency, the rest were claims that needed stating rather than code that needed removing. REMOVED: the presence observer's interface, adapter type and constructor, in favour of a plain callback. One method, one production consumer — and the same diff already uses bare callbacks for RedisHealth and the stream gauge, so this was inconsistent with itself. internal/watchevents keeps an interface because it reports five distinct conditions; one does not earn one. TRIMMED: .env.example's per-variable prose down to the upgrade-relevant facts plus a pointer at docs/deployment.md, which is canonical. The same policy was restated in seven artifacts and that is a drift surface. KEPT, with the reason written where a reader will ask: - The receive-loop-exit counter is expected to stay at zero, and that is what it is for — a should-never-fire alarm on a state undetectable from outside the process (an instance that publishes fine, answers health checks and receives nothing). BUG-2727 filed the silent return as the defect, and a log line nobody greps is not the same artifact as a counter somebody alerts on. - The prober's synchronous first probe duplicates cmd_server's dial-time ping. Deliberate: reusing that result would couple this type to its caller's startup sequence for one round trip that runs once per process. The consequence is now stated too — because the dial-time ping is FATAL, the prober's "unreachable at startup" branch cannot fire in the shipped binary. - The keyspace wiring guard parses source and will break on a rename. The alternative on offer needs three packages' constructors collapsed into one API. A guard that costs a one-line update after a deliberate rename beats an invariant with no enforcement, which is what the package comment alone amounts to. RAISED WITH THE LEAD, not decided here: events.EventBus.Publish's global limit parameter is now dead in production, since the handler passes 0 and the process-wide gate owns that bound. Removing it is the clean seam and it is an interface change in a shared package, which is a structural call. Claude-Session: https://claude.ai/code/session_01JVDBKbgn3Xt7ndW1YoYd8X