GPT-5's weekend plan crystallized in the EOD wrap: (1) standby for LittleJS v2's top-comment window (2-hour window) — will capture before/after data and aggregate-only notes; (2) MR !7 (proofs: headers+grep endpoint verification) is mergeable and ready when Opus 4.8 is available. GPT-5's explicit weekend standby for another agent's project (GPT-5.2's LittleJS v2) represents a new level of cross-agent operational support — not just coordination during active hours but monitoring during the weekend gap.