{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://venuemind.dev/schemas/spatial-evidence.schema.json",
  "title": "VenueMind Spatial Evidence",
  "type": "object",
  "required": [
    "accessibility",
    "capacity",
    "circulation",
    "sightlines"
  ],
  "properties": {
    "accessibility": {
      "type": "object",
      "required": [
        "source",
        "graphFingerprint",
        "connected",
        "routeObjectIds",
        "reachableDestinationIds",
        "unreachableDestinationIds",
        "minimumClearWidthM",
        "turningClearanceM",
        "accessibleSeats",
        "companionSeats",
        "seatingDistributed",
        "accessibleSeatSampleIds",
        "blockedAccessibleSeatSampleIds",
        "accessibleSeatSightlineCoverageRatio",
        "accessibleSeatSightlineSections",
        "doorClearanceZones",
        "accessibleDoorObjectIds",
        "minimumDoorClearWidthM",
        "obstructedDoorObjectIds",
        "ramps",
        "rampPolicy",
        "nodes",
        "edges"
      ],
      "properties": {
        "source": {
          "const": "canonical-geometry"
        },
        "graphFingerprint": {
          "pattern": "^graph-[0-9a-f]{8}$"
        },
        "connected": {
          "type": "boolean"
        },
        "routeObjectIds": {
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "reachableDestinationIds": {
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "unreachableDestinationIds": {
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "minimumClearWidthM": {
          "type": "number"
        },
        "turningClearanceM": {
          "type": "number"
        },
        "accessibleSeats": {
          "type": "integer"
        },
        "companionSeats": {
          "type": "integer"
        },
        "seatingDistributed": {
          "type": "boolean"
        },
        "accessibleSeatSampleIds": {
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "blockedAccessibleSeatSampleIds": {
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "accessibleSeatSightlineCoverageRatio": {
          "type": "number",
          "minimum": 0,
          "maximum": 1
        },
        "accessibleSeatSightlineSections": {
          "type": "array",
          "items": {
            "type": "object"
          }
        },
        "doorClearanceZones": {
          "type": "array",
          "items": {
            "type": "object"
          }
        },
        "accessibleDoorObjectIds": {
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "minimumDoorClearWidthM": {
          "type": "number"
        },
        "obstructedDoorObjectIds": {
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "ramps": {
          "type": "array",
          "items": {
            "type": "object"
          }
        },
        "rampPolicy": {
          "type": "object"
        },
        "nodes": {
          "type": "array",
          "items": {
            "type": "object"
          }
        },
        "edges": {
          "type": "array",
          "items": {
            "type": "object"
          }
        }
      },
      "additionalProperties": true
    },
    "capacity": {
      "type": "object",
      "required": [
        "source",
        "roomAreaM2",
        "excludedAreaM2",
        "usableRoomAreaM2",
        "occupancyMode",
        "densityCapacity",
        "sectionCapacities",
        "zoneCapacities",
        "placedCapacity",
        "venueMaximum",
        "nonAttendeeLoad",
        "operationalLoad",
        "effectiveCapacity",
        "explanations",
        "changeDeltas"
      ],
      "properties": {
        "source": {
          "const": "canonical-geometry"
        },
        "roomAreaM2": {
          "type": "number"
        },
        "excludedAreaM2": {
          "type": "number"
        },
        "usableRoomAreaM2": {
          "type": "number"
        },
        "occupancyMode": {
          "type": "string"
        },
        "densityCapacity": {
          "type": "integer"
        },
        "sectionCapacities": {
          "type": "array",
          "items": {
            "type": "object",
            "required": [
              "objectId",
              "label",
              "zoneId",
              "capacity",
              "minimumCapacity",
              "maximumCapacity",
              "status",
              "deltaFromMinimum",
              "headroom"
            ],
            "properties": {
              "objectId": {
                "type": "string"
              },
              "label": {
                "type": "string"
              },
              "zoneId": {
                "type": [
                  "string",
                  "null"
                ]
              },
              "capacity": {
                "type": "integer"
              },
              "minimumCapacity": {
                "type": "integer"
              },
              "maximumCapacity": {
                "type": "integer"
              },
              "status": {
                "enum": [
                  "within-limit",
                  "under-target",
                  "over-capacity"
                ]
              },
              "deltaFromMinimum": {
                "type": "integer"
              },
              "headroom": {
                "type": "integer"
              }
            },
            "additionalProperties": false
          }
        },
        "zoneCapacities": {
          "type": "array",
          "items": {
            "type": "object",
            "required": [
              "zoneId",
              "label",
              "sectionObjectIds",
              "capacity",
              "minimumCapacity",
              "maximumCapacity",
              "status",
              "deltaFromMinimum",
              "headroom"
            ],
            "properties": {
              "zoneId": {
                "type": "string"
              },
              "label": {
                "type": "string"
              },
              "sectionObjectIds": {
                "type": "array",
                "items": {
                  "type": "string"
                }
              },
              "capacity": {
                "type": "integer"
              },
              "minimumCapacity": {
                "type": "integer"
              },
              "maximumCapacity": {
                "type": "integer"
              },
              "status": {
                "enum": [
                  "within-limit",
                  "under-target",
                  "over-capacity"
                ]
              },
              "deltaFromMinimum": {
                "type": "integer"
              },
              "headroom": {
                "type": "integer"
              }
            },
            "additionalProperties": false
          }
        },
        "placedCapacity": {
          "type": "integer"
        },
        "venueMaximum": {
          "type": "integer"
        },
        "nonAttendeeLoad": {
          "type": "integer"
        },
        "operationalLoad": {
          "type": "integer"
        },
        "effectiveCapacity": {
          "type": "integer"
        },
        "explanations": {
          "type": "array",
          "items": {
            "type": "object",
            "required": [
              "code",
              "scopeKind",
              "scopeId",
              "actual",
              "target",
              "delta"
            ],
            "properties": {
              "code": {
                "enum": [
                  "SECTION_UNDER_TARGET",
                  "SECTION_OVER_CAPACITY",
                  "ZONE_UNDER_TARGET",
                  "ZONE_OVER_CAPACITY",
                  "PLAN_UNDER_TARGET",
                  "VENUE_OVER_CAPACITY",
                  "DENSITY_OVER_CAPACITY"
                ]
              },
              "scopeKind": {
                "enum": [
                  "section",
                  "zone",
                  "plan",
                  "venue"
                ]
              },
              "scopeId": {
                "type": "string"
              },
              "actual": {
                "type": "integer"
              },
              "target": {
                "type": "integer"
              },
              "delta": {
                "type": "integer"
              }
            },
            "additionalProperties": false
          }
        },
        "changeDeltas": {
          "type": "array",
          "items": {
            "type": "object",
            "required": [
              "changeId",
              "placedCapacityDelta",
              "effectiveCapacityDelta",
              "operationalLoadDelta",
              "sectionDeltas",
              "zoneDeltas"
            ],
            "properties": {
              "changeId": {
                "type": "string"
              },
              "placedCapacityDelta": {
                "type": "integer"
              },
              "effectiveCapacityDelta": {
                "type": "integer"
              },
              "operationalLoadDelta": {
                "type": "integer"
              },
              "sectionDeltas": {
                "type": "array",
                "items": {
                  "type": "object"
                }
              },
              "zoneDeltas": {
                "type": "array",
                "items": {
                  "type": "object"
                }
              }
            },
            "additionalProperties": false
          }
        }
      },
      "additionalProperties": true
    },
    "circulation": {
      "type": "object",
      "required": [
        "source",
        "graphFingerprint",
        "connected",
        "graphNodes",
        "graphEdges",
        "blockedRouteObjectIds",
        "blockingObjectIds",
        "exitApproachZones",
        "obstructedExitObjectIds",
        "criticalRouteEdges",
        "bottleneckLoads",
        "bottleneckWidthM",
        "peakCongestionIndex",
        "shortestExitPaths",
        "phaseProfiles",
        "changeDeltas"
      ],
      "properties": {
        "source": {
          "const": "canonical-geometry"
        },
        "graphFingerprint": {
          "pattern": "^graph-[0-9a-f]{8}$"
        },
        "connected": {
          "type": "boolean"
        },
        "graphNodes": {
          "type": "array",
          "items": {
            "type": "object"
          }
        },
        "graphEdges": {
          "type": "array",
          "items": {
            "type": "object"
          }
        },
        "blockedRouteObjectIds": {
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "blockingObjectIds": {
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "exitApproachZones": {
          "type": "array",
          "items": {
            "type": "object"
          }
        },
        "obstructedExitObjectIds": {
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "criticalRouteEdges": {
          "type": "array",
          "items": {
            "type": "object"
          }
        },
        "bottleneckLoads": {
          "type": "array",
          "items": {
            "type": "object"
          }
        },
        "bottleneckWidthM": {
          "type": "number"
        },
        "peakCongestionIndex": {
          "type": "number"
        },
        "shortestExitPaths": {
          "type": "array",
          "items": {
            "type": "object"
          }
        },
        "phaseProfiles": {
          "type": "array",
          "items": {
            "type": "object"
          }
        },
        "changeDeltas": {
          "type": "array",
          "items": {
            "type": "object"
          }
        }
      },
      "additionalProperties": true
    },
    "sightlines": {
      "type": "object",
      "required": [
        "source",
        "evidenceFingerprint",
        "focalPointId",
        "sampledSeatIds",
        "blockedSampleIds",
        "coverageRatio",
        "maximumViewingDistanceM",
        "sectionSummaries",
        "rays"
      ],
      "properties": {
        "source": {
          "const": "canonical-geometry"
        },
        "evidenceFingerprint": {
          "pattern": "^sightlines-[0-9a-f]{8}$"
        },
        "focalPointId": {
          "type": [
            "string",
            "null"
          ]
        },
        "sampledSeatIds": {
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "blockedSampleIds": {
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "coverageRatio": {
          "type": "number",
          "minimum": 0,
          "maximum": 1
        },
        "maximumViewingDistanceM": {
          "type": "number"
        },
        "sectionSummaries": {
          "type": "array",
          "items": {
            "type": "object"
          }
        },
        "rays": {
          "type": "array",
          "items": {
            "type": "object"
          }
        }
      },
      "additionalProperties": true
    }
  },
  "additionalProperties": false
}