{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "#/components/schemas/InkPoint", "title": "InkPoint", "type": "object", "description": "A point in an ink stroke (InkPoint class)", "properties": { "x": { "type": "number", "format": "float", "description": "X coordinate" }, "y": { "type": "number", "format": "float", "description": "Y coordinate" }, "pressure": { "type": "number", "format": "float", "description": "Pressure value (0.0 to 1.0)" }, "tiltX": { "type": "number", "format": "float", "description": "Tilt along X axis in degrees" }, "tiltY": { "type": "number", "format": "float", "description": "Tilt along Y axis in degrees" }, "timestamp": { "type": "integer", "format": "int64", "description": "Timestamp in microseconds" } }, "required": [ "x", "y", "pressure" ] }