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server-26/drb-c2-core/tests
Logan CusanoandClaude Opus 5 7b5258cfdf
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Halve the tier-2 thin-call window, from 10 minutes to 5
With over-creation fixed, the incidents that remain are readable enough to
judge, and the ones that still do not make sense all fail the same way. A
content-free call attaches to the single active incident on its talkgroup if
that incident has been idle under tg_dispatch_thin_idle_minutes, and at 10
minutes that is long enough for the channel to have moved on to something
else. In the 00:30Z dump a "72 at Holland Station" incident absorbed a Grand
Central train-crew meet 9.6 minutes later, and a status check absorbed a
records lookup at 9.7.

Being the only candidate is not evidence. It means the channel was quiet,
which is exactly when guessing is weakest -- the single-candidate rule was
meant to avoid picking wrongly among several, not to license a match no other
signal supports.

Every correct thin attach in that dump was <= 3.4 minutes idle and every wrong
one was >= 8.2, so 5 separates them with room on both sides. Real
back-and-forth is unaffected: it runs through the 30-second tier-1 path, and
the observed conversational replies sit near zero. Tests pin both sides of the
new boundary at 4.9 and 5.1 minutes so a later change to this number has to be
deliberate. 23 pass.

Also corrects a DEFERRED.md entry written earlier today. It claimed nothing
ever closes an incident that goes quiet; summarizer.py has run a stale sweep
at incident_auto_resolve_minutes (90) the whole time. The 37 open incidents
were caused by over-creation, not by a missing sweeper, and 90 minutes may be
fine now -- worth rechecking on a fully post-fix dump before changing it.

No new environment variables: tg_dispatch_thin_idle_minutes is a config.py
default and is not templated into any .env, so CI deploys this without an
ansible run.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-16 20:56:58 -04:00
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