• I have updated gptel to the latest commit and tested that the issue still exists (I have this bug with the latest commit, but I recreate the bug with the latest release)

Bug Description

Exiting out of the gptel-menu transient menu after invoking something that relies on completing read that was rerouted to Helm mode creates a buffer that stays after the transient menu has been closed.

Backend

None

Steps to Reproduce

1. Install helm-mode and gptel
2. Enable Helm globally with (helm-mode 1)
3. M-x gptel-menu -i C-g C-g to introduce the aforementioned buffer (sometimes, just a single C-g is enough to exit out of gptel-menu, but other times you need two: one to exit the -i menu and another to exit gptel-menu

M-x gptel-menu:

-i:

C-g (or C-g C-g):

Additional Context

Emacs version: GNU Emacs 29.4 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.43, cairo version 1.18.2)
OS: WSL2 Arch Linux

Helm versions:

helm-20250219.1650
helm-ag-20241028.144
helm-core-20250217.1544 
helm-project-20230608.1212

Transient version:

transient-20250216.1730

Bug can be recreated using both the latest gptel master and v0.9.7.