Unit Converter (Length, Weight, Volume, Temperature, Area, Speed, Data Storage)

{
  "type": "object",
  "required": [
    "from_unit",
    "to_unit",
    "value"
  ],
  "properties": {
    "value": {
      "type": "number",
      "description": "Value to convert"
    },
    "to_unit": {
      "type": "string",
      "description": "Target unit (e.g. mi, kg, °F)"
    },
    "from_unit": {
      "type": "string",
      "description": "Source unit (e.g. km, lb, °C)"
    }
  },
  "additionalProperties": false
}

{
  "type": "object",
  "required": [
    "value",
    "from_unit",
    "to_unit",
    "result",
    "formula",
    "category"
  ],
  "properties": {
    "value": {
      "type": "number",
      "description": "The input value exactly as submitted, echoed back."
    },
    "result": {
      "type": "number",
      "description": "The converted value in the target unit."
    },
    "formula": {
      "type": "string",
      "description": "Human-readable description of the conversion path, e.g. 'km → m → mi' or '°F = °C × 9/5 + 32'. Observed as either a chained-unit path or an explicit math expression depending on category."
    },
    "to_unit": {
      "type": "string",
      "description": "The target unit, lowercased on at least one fixture ('°F' submitted, '°f' returned) -- do not assume the returned casing matches what was submitted."
    },
    "category": {
      "type": "string",
      "description": "The unit category resolved for this conversion, e.g. 'length', 'temperature'."
    },
    "from_unit": {
      "type": "string",
      "description": "The source unit, lowercased on at least one fixture ('°C' submitted, '°c' returned) -- do not assume the returned casing matches what was submitted."
    }
  },
  "description": "The unit conversion result, as returned at routing.responseResultPath ($.output).",
  "additionalProperties": false
}