{
  "name": "Simple Moving Average",
  "description": "Simple Moving Average indicator",
  "type": "sma",
  "display_type": "overlay",
  "timeframe": null,
  "default_parameters": {
    "period": 20
  },
  "parameter_schema": {
    "period": {
      "type": "int",
      "min": 1,
      "max": 200,
      "default": 20,
      "description": "Period for SMA calculation"
    },
    "timeframe": {
      "type": "string",
      "default": null,
      "description": "Indicator timeframe (e.g., '1h', '4h'). Null for chart timeframe."
    }
  },
  "default_styling": {
    "color": "#007bff",
    "line_width": 2
  }
}