Add five new AppleScript commands to Ghostty.sdef mirroring the existing App Intents for terminal input: - `input text`: send text to a terminal as if pasted - `send key`: simulate a keyboard event with optional action and modifiers - `send mouse button`: send a mouse button press/release event - `send mouse position`: send a mouse cursor position event - `send mouse scroll`: send a scroll event with precision and momentum A shared `input action` enumeration (press/release) is used by both key and mouse button commands. Modifier keys are passed as a comma-separated string parameter (shift, control, option, command).