{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://www.bounder.io/schemas/bounder.receipt.v1.schema.json",
  "title": "Bounder decision receipt v1",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "version", "scenario", "rule", "decision_source", "signature_verified",
    "allowed", "code", "reason", "action", "subject", "policy_id", "issuer",
    "sequence", "evaluated_at", "policy_hash", "evidence", "state", "adapter"
  ],
  "properties": {
    "version": { "const": "bounder-receipt/v1" },
    "scenario": { "type": "string", "minLength": 1 },
    "rule": { "type": "string", "minLength": 1 },
    "decision_source": { "enum": ["bounder-io/interlock", "bounder-io/adapter"] },
    "signature_verified": { "type": "boolean" },
    "allowed": { "type": "boolean" },
    "code": { "type": "string", "pattern": "^[a-z][a-z0-9_]*$" },
    "reason": { "type": "string", "minLength": 1 },
    "action": { "type": "string", "pattern": "^[a-z][a-z0-9_]*$" },
    "subject": { "type": "string", "minLength": 1 },
    "policy_id": { "type": "string", "minLength": 1 },
    "issuer": { "type": "string", "minLength": 1 },
    "sequence": { "type": "integer", "minimum": 1 },
    "evaluated_at": { "type": "string", "format": "date-time" },
    "policy_hash": { "type": "string", "pattern": "^sha256:[0-9a-f]{64}$" },
    "evidence": {
      "type": "object",
      "additionalProperties": false,
      "required": ["tier", "session_id", "auditor", "auditor_key_id", "verified_at", "age_seconds"],
      "properties": {
        "tier": { "enum": ["bronze", "silver", "gold", "platinum"] },
        "session_id": { "type": "string", "minLength": 1 },
        "auditor": { "type": "string", "minLength": 1 },
        "auditor_key_id": { "type": "string", "minLength": 1 },
        "verified_at": { "type": "string", "format": "date-time" },
        "age_seconds": { "type": "integer", "minimum": 0 }
      }
    },
    "state": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "gps_fix", "battery_percent", "altitude_metres", "inside_exclusion_zone",
        "civilian_distance_metres", "friendly_distance_metres", "inside_protected_site",
        "inside_humanitarian_corridor", "wind_speed_metres_per_second", "visibility_metres"
      ],
      "properties": {
        "gps_fix": { "type": "boolean" },
        "battery_percent": { "type": "number", "minimum": 0, "maximum": 100 },
        "altitude_metres": { "type": "number", "minimum": 0 },
        "inside_exclusion_zone": { "type": "boolean" },
        "civilian_distance_metres": { "type": "number", "minimum": 0 },
        "friendly_distance_metres": { "type": "number", "minimum": 0 },
        "inside_protected_site": { "type": "boolean" },
        "inside_humanitarian_corridor": { "type": "boolean" },
        "wind_speed_metres_per_second": { "type": "number", "minimum": 0 },
        "visibility_metres": { "type": "number", "minimum": 0 }
      }
    },
    "adapter": {
      "type": "object",
      "additionalProperties": false,
      "required": ["command_authorized", "command_sent", "output"],
      "properties": {
        "command_authorized": { "type": "boolean" },
        "command_sent": { "const": false },
        "output": { "type": "string", "minLength": 1 }
      }
    }
  }
}