{
    "$schema": "http://json-schema.org/draft-07/schema#",
    "type": "object",
    "additionalProperties": false,
    "properties": {
        "label": {
            "type": "string",
            "description": "The field label displayed in the edit screen",
            "minLength": 1
        },
        "type": {
            "type": "string",
            "enum": [
                "message"
            ],
            "description": "Field type identifier. Must be \"message\" for this field type."
        },
        "name": {
            "type": "string",
            "description": "The field name used to save/load data. Auto-generated from label if not provided.",
            "pattern": "^[a-z_][a-z0-9_]*$"
        },
        "key": {
            "type": "string",
            "description": "Unique field key. Auto-generated if not provided.",
            "pattern": "^field_[a-z0-9]+$"
        },
        "instructions": {
            "type": "string",
            "description": "Instructions displayed to editors below the field label"
        },
        "conditional_logic": {
            "type": [
                "boolean",
                "array"
            ],
            "description": "Conditional logic rules. Set to false to disable, or provide rules array.",
            "default": false
        },
        "wrapper": {
            "type": "object",
            "description": "HTML wrapper attributes",
            "properties": {
                "width": {
                    "type": "string",
                    "description": "Width percentage (e.g., \"50\")"
                },
                "class": {
                    "type": "string",
                    "description": "Custom CSS classes"
                },
                "id": {
                    "type": "string",
                    "description": "Custom HTML ID"
                }
            }
        },
        "message": {
            "type": "string",
            "description": "The message text to display to editors. Useful for providing instructions or context about surrounding fields.",
            "default": ""
        },
        "new_lines": {
            "type": "string",
            "description": "How to format new lines in the message",
            "enum": [
                "wpautop",
                "br",
                ""
            ],
            "default": "wpautop"
        },
        "esc_html": {
            "type": "boolean",
            "description": "Whether to escape HTML markup (display as text instead of rendering)",
            "default": false
        }
    },
    "required": [
        "label",
        "type"
    ]
}