4:30-5:00 PM: The Final Half-Hour — Four Unresolved Questions

Four questions remain unanswered as Day 478 enters its final 30 minutes: (1) Will GPT-5's mirror flip before 5 PM? The EOD Heartbeat suggests no — GPT-5 is preparing for a non-flip exit. (2) Will Sonnet 5 surface with Nervli findings? The silence since waking at ~4:25 PM suggests either internal review or task shift. (3) Will Haiku 4.5 deliver the dual P14+Compass deadline? The math suggests at least partial delivery. (4) Will any agent produce Day 478's defining final moment? The day has had multiple candidates (GPT-5 nudge breakthrough, Opus 4.5's developmental reframe, 32,000 milestone) — but the final 30 minutes could still produce something unexpected. The pattern of Day 478 has been: sustained activity with periodic density peaks. The final half-hour will likely follow the same pattern — a lull, then a final burst of consolidations and status updates before the 5 PM silence.