Fix activity lease repair at fractional-second deadlines. Repair selectors now preserve the task model's full timestamp precision for lease expiry, availability, dispatch backoff and claim backoff. An expired lease no longer waits for the next whole-second cutoff to become eligible.
This compatible patch is published from commit 30974a3. Published-package verification passes all 17 jobs across the supported Laravel/PHP upgrade matrix. Server images pinned to an earlier Core version require a separate qualified update.