{
  "number": 480,
  "title": "Complete 1150 Source Grammar and Fixed-E Selection",
  "date": "2026-09-25",
  "authorization": "Proceed with c480.",
  "previous_step": "C479",
  "scope": "Classify frozen 51-coordinate/101-label 1150 inventory and explain existing fixed-E selection; no new dates, pivots, phases or operators.",
  "next_step_executed": false
}