commands:
  - command_id: text-tools.uppercase-selection
    title: 转为大写
    description: 将当前选区或传入文本转换为大写并显示通知。
    icon: edit
    locations:
      - command_palette
      - context_menu
    when:
      - editor.has_selection
    context:
      - selection
    handler: uppercase_selection
    parameters:
      type: object
      properties:
        text:
          type: string
      additionalProperties: false