{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://cityresourcegraph.com/schemas/match_packet.json",
  "title": "Match Packet Entity",
  "description": "Partner-ready deliverables for executing industrial symbiosis matches",
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "format": "uuid",
      "description": "Unique match packet identifier"
    },
    "match_id": {
      "type": "string",
      "format": "uuid",
      "description": "Associated match ID"
    },
    "title": {
      "type": "string",
      "maxLength": 200,
      "description": "Human-readable match title"
    },
    "technical_details": {
      "type": "object",
      "properties": {
        "supply_temp_celsius": {"type": "number"},
        "demand_temp_range": {
          "type": "object",
          "properties": {
            "min_celsius": {"type": "number"},
            "max_celsius": {"type": "number"}
          }
        },
        "distance_meters": {"type": "number"},
        "estimated_savings_per_year": {"type": "number"},
        "resource_type": {"type": "string"},
        "quantity": {"type": "number"},
        "unit": {"type": "string"}
      },
      "description": "Technical specifications of the match"
    },
    "contact_info": {
      "type": "object",
      "properties": {
        "business_type": {"type": "string", "maxLength": 100},
        "location_area": {"type": "string", "maxLength": 200},
        "contact_method": {"type": "string", "enum": ["platform_mediated", "direct"]},
        "anonymized": {"type": "boolean", "default": true}
      },
      "description": "Partner contact information (anonymized initially)"
    },
    "legal_templates": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "type": {"type": "string", "enum": ["mou", "supply_agreement", "service_contract", "nda"]},
          "name": {"type": "string", "maxLength": 100},
          "template_url": {"type": "string", "format": "uri"},
          "description": {"type": "string", "maxLength": 500}
        },
        "required": ["type", "template_url"]
      },
      "description": "Available legal templates for this match type"
    },
    "cost_calculators": {
      "type": "object",
      "properties": {
        "pipe_cost_per_meter": {"type": "number", "description": "€/m for buried pre-insulated pipe"},
        "hx_cost_per_kw": {"type": "number", "description": "€/kW for plate heat exchanger"},
        "payback_months": {"type": "number"},
        "installation_cost_estimate": {"type": "number"},
        "maintenance_cost_per_year": {"type": "number"}
      },
      "description": "Built-in cost calculation tools"
    },
    "implementation_steps": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "step_number": {"type": "integer"},
          "title": {"type": "string", "maxLength": 100},
          "description": {"type": "string", "maxLength": 500},
          "estimated_duration_days": {"type": "integer"},
          "required_expertise": {"type": "string", "maxLength": 200},
          "estimated_cost": {"type": "number"}
        },
        "required": ["step_number", "title", "description"]
      },
      "description": "Step-by-step implementation guide"
    },
    "facilitator_recommendations": {
      "type": "array",
      "items": {
        "type": "string",
        "format": "uuid"
      },
      "description": "Recommended facilitator IDs for this match"
    },
    "risk_warnings": {
      "type": "array",
      "items": {
        "type": "string",
        "maxLength": 500
      },
      "description": "Important risk warnings and considerations"
    },
    "expires_at": {
      "type": "string",
      "format": "date-time",
      "description": "When this packet expires"
    },
    "version": {
      "type": "integer",
      "minimum": 1,
      "default": 1,
      "description": "Packet version number"
    },
    "created_at": {
      "type": "string",
      "format": "date-time"
    },
    "updated_at": {
      "type": "string",
      "format": "date-time"
    }
  },
  "required": ["id", "match_id", "title", "technical_details"],
  "additionalProperties": false
}