curl --request POST \
  --url https://api.withsplendor.com/v1/admin/reindex/jobs \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'x-splendor-tenant-id: <x-splendor-tenant-id>' \
  --data '
{
  "promotion_id": "<string>",
  "target_generation_id": 123
}
'

{
  "completed_at": null,
  "created_at": "2026-01-15T09:30:00Z",
  "error_message": null,
  "job_id": "rdx_01H8Z3",
  "manifest_cutoff_at": "2026-01-15T09:30:00Z",
  "object_count": 120,
  "object_status_counts": {
    "done": 80,
    "pending": 40
  },
  "promotion_id": "prom_1",
  "replay_document_count": 830000,
  "source_document_count": 1240000,
  "source_generation_ids": [
    4
  ],
  "status": "running",
  "target_generation_id": 5,
  "target_index_id": "acme__app-logs__g5",
  "tenant_id": "acme",
  "updated_at": "2026-01-15T09:30:00Z"
}