exists

Daemon disk probe (

File.exists

).

Distinct from index membership (Folder.fetch_file) and content load ( read). Callers use this for create-vs-modify and validate; **🚫** do not probe existence via read.

Wire:

response.msg

is

((int) GLib.FileType)

as decimal (GLib.FileType.UNKNOWN = path absent or RPC error).

Returns:

File type on daemon disk; GLib.FileType.UNKNOWN when absent