{"id":"currency-manual-converter","engine":"core","category":"converter","name":"指定レートで通貨換算","fields":[{"key":"amount","label":"金額・量","type":"number","default":100,"required":true},{"key":"rate","label":"変換元 1 単位あたりの変換先金額","type":"number","default":7.2,"required":true,"min":0.000001},{"key":"source","label":"発信元","type":"text","default":"USD"},{"key":"target","label":"変換先","type":"text","default":"CNY"}],"sample":{"amount":100,"rate":7.2,"source":"USD","target":"CNY"}}