{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://limecloud.github.io/agentcontext/schemas/agentcontext-context-item.schema.json",
  "title": "Agent Context Item",
  "type": "object",
  "additionalProperties": true,
  "properties": {
    "schema_version": {
      "type": "string"
    },
    "item_id": {
      "type": "string"
    },
    "context_kind": {
      "type": "string"
    },
    "title": {
      "type": "string"
    },
    "content_mode": {
      "type": "string"
    },
    "content": {},
    "content_ref": {
      "type": [
        "string",
        "object"
      ]
    },
    "mime_type": {
      "type": "string"
    },
    "language": {
      "type": "string"
    },
    "source_refs": {
      "type": "array",
      "items": {
        "type": [
          "string",
          "object"
        ]
      }
    },
    "token_estimate": {
      "type": "integer",
      "minimum": 0
    },
    "byte_size": {
      "type": "integer",
      "minimum": 0
    },
    "freshness": {
      "type": [
        "string",
        "object"
      ]
    },
    "trust_level": {
      "type": "string"
    },
    "sensitivity": {
      "type": "string"
    },
    "redaction_state": {
      "type": "string"
    },
    "visibility": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "priority": {
      "type": "number"
    },
    "created_at": {
      "type": "string",
      "format": "date-time"
    },
    "metadata": {
      "type": "object",
      "additionalProperties": true
    }
  },
  "required": [
    "schema_version",
    "item_id",
    "context_kind",
    "content_mode",
    "visibility"
  ]
}