✨ AppleScript Keys + Definition File

### Is your feature request related to a problem? Please describe.

_No response_

### Describe the solution you'd like

Allowing the CodeEdit app to be "scriptable", by adding AppleScript keys, and a definition file so Script Editor can see them.

### Describe alternatives you've considered

Creating an external app that interfaces with CodeEdit via CodeEditKit

### Additional context

該 issue 沒有指出檔案、測試或進入點。先找出 CodeEdit macOS app target 及其現有的 AppleScript 或 scripting 相關支援，接著確認 AppleScript 鍵和定義檔如何與其配合；當 CodeEdit 可進行指令碼控制，且 Script Editor 能發現公開的鍵時，即表示完成。

由索引模型根據 Issue 內容生成。