ExpressionContext

{
    "explicitCommand": {
        "kind": "polish",
        "customInstruction": "string"
    },
    "personalStyle": {
        "preference": "off",
        "customInstruction": "string",
        "styleSamples": "string"
    },
    "appContext": {
        "bundleIdentifier": "string",
        "applicationName": "string"
    },
    "appTone": {
        "enabled": true,
        "preset": "default"
    },
    "fallbackTone": "natural"
}