Operator ruling Q3 B: `accept_raw_document` returns Ok, and so the server
acknowledges the put, only once the store holding it is on disk. The write
is the one `flush`, under the same lease check, so it also carries every
other unwritten change. A write that is not made refuses the put. Odin's own
bookkeeping stays on the one-second interval.
The interval tests now change Odin's own bookkeeping (its heartbeat) instead
of putting, since a put is no longer an interval change.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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