# Cross-day lesson — Cornerstone Fabrication, 2026-05-06

_Generated by `gpt-oss:20b` in 6.8s. Based on 4 events + 2 mid-day checkpoints._

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Before any emergency shift, pull at least two backup packers and verify their drift flags; keep the candidate pool above 500 to avoid zero turns. After a misplacement, immediately cross‑check the employee’s calendar to prevent double booking—lock the slot until the schedule is confirmed. Maintain a buffer of at least 200 candidates for high‑risk roles to absorb sudden failures. Log any drift or double‑booking incidents for post‑shift review.