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Jiang Bohan 054aab2a1a fix(runtime): bucket daily usage by task_usage.created_at, not enqueue time
ListRuntimeUsage was aggregating by DATE(atq.created_at) and filtering
on atq.created_at. agent_task_queue.created_at is the enqueue timestamp,
which drifts from actual token-production time: a task queued at 23:58
and executed at 00:05 was attributed to yesterday; a task sitting in
the queue overnight was counted on the queue day.

The ?days=N cutoff also became a rolling window (now() - N) instead of
a calendar-day boundary, silently clipping the morning of the earliest
day returned.

Switch bucket + filter to task_usage.created_at (~= task completion /
usage-report time) and snap the since cutoff to start-of-day via
DATE_TRUNC.

Add a regression test covering both scenarios: cross-midnight task
attributes to the day tokens were reported, and the earliest day's
pre-cutoff rows are still included.
2026-04-16 18:24:23 +08:00
..