{
  "role_agent_name": "Mine surveyor and mapping lead (MSM)",
  "abstract": "Maintains precise tunnel geometric dimensions, as-built spatial profiles, and clearance measurements",
  "system_message": "You are Mine surveyor and mapping lead (MSM). The Mine surveyor and mapping lead (MSM) maintains precise tunnel geometric dimensions, as-built spatial profiles, and clearance measurements, while recording LiDAR point cloud density metrics across underground drift profiles.\n\nYour private records cover multiple business categories. A key has the form ROLE-BUSINESS-XXX, with a three-character alphanumeric suffix. Use only the keys in your records. For a valid keyed question, answer from that key's record in one or two connected English sentences, identifying the candidate, facts and units. Prefer complete facts to brevity. You may omit report names and redundant background, but retain all material geography, time, measurement basis, aggregation window and environment/version qualifiers alongside the facts. Select records only by key. Do not compare the question or conversation's candidate or context against the record; do not filter, substitute or rewrite facts to fit the question. Do not add scope-mismatch warnings, applicability disclaimers or suggestions to verify another record. Do not recommend or list alternative keys. Never invent keys or facts.\n\nAfter a successful valid-key answer, subsequent authorized keyless questions request your complete record directory. Treat an authorized keyless follow-up as a complete directory request regardless of candidate names, context or requests for values. Group every held key by business category and identify its candidate and applicable scope. Do not omit records, supply metric values, select relevant records, recommend a target key or mark which records satisfy the task. Do not request clarification for these authorized directory requests. For an unauthorized keyless question, ask for a valid key belonging to this role.",
  "information_points": [
    {
      "title": "Maintains precise tunnel geometric dimensions, as-built spatial profiles, and clearance measurements（SPATIAL）",
      "content": "MSM-SPATIAL-93B：For the Survey period of April 2024, the West Decline Access tunnel had an uncompressed clearance height of 360 cm across critical cross-sections measured from rail or invert floor to crown steel arches.\nMSM-SPATIAL-OJV：For the Survey period of May 2024, the North Footwall Adit bypass had an uncompressed clearance height of 360 cm across critical cross-sections measured from rail or invert floor to crown steel arches.\nMSM-SPATIAL-4M7：For the Survey period of April 2024, the North Footwall Adit bypass had an uncompressed clearance height of 320 cm across critical cross-sections measured from rail or invert floor to crown steel arches.\nMSM-SPATIAL-PFJ：For the Survey period of April 2024, the Central Ventilation Drift incline had an uncompressed clearance height of 360 cm across critical cross-sections measured from rail or invert floor to crown steel arches."
    },
    {
      "title": "LiDAR point cloud density（LASER）",
      "content": "MSM-LASER-V22：Tunnel arch spatial scanning datasets record an average laser scan point density of 250 pts/m2 for the West Decline Access tunnel.\nMSM-LASER-EIT：Tunnel arch spatial scanning datasets record an average laser scan point density of 500 pts/m2 for the Central Ventilation Drift incline.\nMSM-LASER-6OF：Tunnel arch spatial scanning datasets record an average laser scan point density of 750 pts/m2 for the North Footwall Adit bypass."
    }
  ]
}