chore: update MB-X system role templates

cai

2026-06-04 9e70110cbad3ec2116ba394e40426dfd066c95a0

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{
  "package_id": "invalid_pack_escape",
  "files": [
    {
      "path": "../escape.txt",
      "sha256": "0000000000000000000000000000000000000000000000000000000000000000"
    }
  ]
}