{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "Agent Contract v1.0",
  "description": "JSON Schema for agent interaction contract",
  "version": "1.0.0",
  "definitions": {
    "AgentEvent": {
      "type": "object",
      "required": ["type", "timestamp"],
      "properties": {
        "type": {
          "enum": [
            "message.start",
            "message.delta",
            "message.complete",
            "tool.start",
            "tool.complete",
            "tool.error",
            "edit.explanation",
            "error",
            "usage"
          ]
        },
        "timestamp": {
          "type": "number"
        }
      }
    },
    "ModelConfig": {
      "type": "object",
      "required": ["provider", "model"],
      "properties": {
        "provider": {
          "type": "string"
        },
        "model": {
          "type": "string"
        },
        "temperature": {
          "type": "number",
          "minimum": 0,
          "maximum": 2
        },
        "maxTokens": {
          "type": "integer",
          "minimum": 1
        }
      }
    },
    "CapabilityManifest": {
      "type": "object",
      "required": ["contractVersion", "profile", "model", "tools", "features"],
      "properties": {
        "contractVersion": {
          "type": "string"
        },
        "profile": {
          "type": "string"
        },
        "model": {
          "$ref": "#/definitions/ModelConfig"
        },
        "tools": {
          "type": "array",
          "items": {
            "type": "object",
            "required": ["name", "description", "category"],
            "properties": {
              "name": {
                "type": "string"
              },
              "description": {
                "type": "string"
              },
              "category": {
                "type": "string"
              }
            }
          }
        },
        "features": {
          "type": "array",
          "items": {
            "type": "string"
          }
        }
      }
    }
  }
}