{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://dina.ai/protocol/schemas/agent-intent.json",
  "title": "Dina Agent Intent",
  "description": "Portable executor intent declaration evaluated by a Dina-compatible Home Node before sensitive access or external action.",
  "type": "object",
  "required": [
    "schema_version",
    "intent_id",
    "agent_did",
    "action",
    "target",
    "persona_scope",
    "constraints"
  ],
  "properties": {
    "schema_version": {
      "const": "1"
    },
    "intent_id": {
      "type": "string",
      "minLength": 1
    },
    "agent_did": {
      "$ref": "#/$defs/did"
    },
    "session_id": {
      "type": "string"
    },
    "action": {
      "type": "string",
      "minLength": 1
    },
    "target": {
      "type": ["string", "object"],
      "minLength": 1,
      "additionalProperties": true
    },
    "persona_scope": {
      "oneOf": [
        {
          "type": "string",
          "minLength": 1
        },
        {
          "type": "array",
          "items": {
            "type": "string",
            "minLength": 1
          },
          "minItems": 1,
          "uniqueItems": true
        }
      ]
    },
    "trust_level": {
      "type": "string"
    },
    "sensitivity": {
      "type": "string"
    },
    "constraints": {
      "type": "object",
      "properties": {
        "egress": {
          "type": "string"
        },
        "allow_network": {
          "type": "boolean"
        },
        "max_duration_seconds": {
          "type": "integer",
          "minimum": 0
        },
        "max_cost_hint": {
          "type": "number",
          "minimum": 0
        },
        "requires_approval": {
          "type": "boolean"
        }
      },
      "additionalProperties": true
    },
    "requested_operations": {
      "type": "array",
      "items": {
        "type": "string",
        "minLength": 1
      },
      "uniqueItems": true
    },
    "created_at": {
      "type": "string",
      "format": "date-time"
    },
    "extensions": {
      "$ref": "#/$defs/extensions"
    }
  },
  "additionalProperties": false,
  "$defs": {
    "did": {
      "type": "string",
      "pattern": "^did:[a-z0-9]+:.+$"
    },
    "extensions": {
      "type": "object",
      "propertyNames": {
        "pattern": "^[A-Za-z0-9._:-]+$"
      },
      "additionalProperties": true
    }
  }
}