[
  {
    "type": "courtyards_overlap",
    "refs": [
      "R403",
      "R404"
    ],
    "fitted": "R403",
    "dnp": "R404",
    "reason": "Mutually exclusive LCD mode straps: R403 populated, R404 DNP. Shared land is intentional; never populate both."
  },
  {
    "type": "courtyards_overlap",
    "refs": [
      "R409",
      "R408"
    ],
    "fitted": "R409",
    "dnp": "R408",
    "reason": "Mutually exclusive LCD mode straps: R409 populated, R408 DNP. Shared land is intentional; never populate both."
  }
]