{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://maf1.local/plugin-protocol-v1.schema.json",
  "title": "MAF1 plugin protocol v1",
  "description": "宿主写入插件 stdin 的 PluginRequest。stdout 必须是与 plugin.json outputs 字段对应的单个 JSON 对象。",
  "type": "object",
  "required": ["protocolVersion", "inputs"],
  "additionalProperties": false,
  "properties": {
    "protocolVersion": {
      "type": "integer",
      "const": 1
    },
    "inputs": {
      "type": "object",
      "description": "键名与 plugin.json inputs[].name 一致。",
      "additionalProperties": true
    },
    "credentials": {
      "type": "object",
      "description": "键名与 plugin.json credentials[].name 一致。未声明的凭据不会出现。",
      "additionalProperties": {
        "$ref": "#/$defs/credentialPayload"
      }
    }
  },
  "$defs": {
    "credentialPayload": {
      "type": "object",
      "required": ["id", "type"],
      "properties": {
        "id": { "type": "string" },
        "type": {
          "type": "string",
          "description": "openai-compatible | llm | openweather | 其它自定义类型"
        },
        "endpoint": { "type": ["string", "null"] },
        "apiKey": { "type": ["string", "null"] },
        "model": { "type": ["string", "null"] },
        "extra": {
          "type": "object",
          "additionalProperties": { "type": "string" }
        }
      }
    }
  }
}