Prism Lock

{
  "objective": {
    "draw": [
      "no draw terminal is available; solve or exhaust the bound"
    ],
    "early_exit": "budget_exhausted",
    "failure": [
      "attempts_left <= 0",
      "step budget exhausted"
    ],
    "primary": "Infer and submit the only prism orientation satisfying every visible clue.",
    "success": [
      "ring_a = 2, ring_b = 1, ring_c = 2, then submit"
    ]
  }
}