{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://missionweaveprotocol.dev/schemas/0.1/presence-record.schema.json",
  "title": "MissionWeaveProtocol 0.1 Presence Record",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "agentId",
    "sessionEpoch",
    "status",
    "capacity",
    "capabilityAvailability",
    "lastHeartbeat",
    "expiresAt"
  ],
  "properties": {
    "agentId": {
      "$ref": "common.schema.json#/$defs/id"
    },
    "sessionEpoch": {
      "$ref": "common.schema.json#/$defs/positiveInteger"
    },
    "status": {
      "enum": ["online", "busy", "away", "draining", "offline"]
    },
    "capacity": {
      "type": "object",
      "additionalProperties": false,
      "required": ["maxSlots", "activeSlots", "availableSlots", "queuedItems"],
      "properties": {
        "maxSlots": {
          "$ref": "common.schema.json#/$defs/positiveInteger"
        },
        "activeSlots": {
          "$ref": "common.schema.json#/$defs/safeInteger"
        },
        "availableSlots": {
          "$ref": "common.schema.json#/$defs/safeInteger"
        },
        "queuedItems": {
          "$ref": "common.schema.json#/$defs/safeInteger"
        }
      }
    },
    "capabilityAvailability": {
      "type": "array",
      "items": {
        "type": "object",
        "additionalProperties": false,
        "required": ["capability", "status"],
        "properties": {
          "capability": {
            "$ref": "common.schema.json#/$defs/capabilityRef"
          },
          "status": {
            "enum": ["available", "degraded", "unavailable"]
          }
        }
      }
    },
    "estimatedResponseMs": {
      "$ref": "common.schema.json#/$defs/safeInteger"
    },
    "lastHeartbeat": {
      "$ref": "common.schema.json#/$defs/timestamp"
    },
    "expiresAt": {
      "$ref": "common.schema.json#/$defs/timestamp"
    }
  }
}