{
  "reason": "Read timeout on app 421170 at planned order 458. No retries; all network collection stopped.",
  "completed_records": 458,
  "primary_n": 456,
  "effective_per_stratum": 38,
  "selection": "First 38 random selections in every original stratum (planned sample_order <456), a complete balanced prefix. The next two completed games remain supplementary. No replacement of failed or uncollected targets.",
  "planned_profile_status": "Not run after network stop. Use already returned scored-language subsets only, with explicit unknown remainder; no new calls.",
  "timestamp_utc": "2026-09-07T02:48:34+00:00"
}