Pinned Models/Providers in Web GUI are wiped after a refresh

[passthesh3ll]

Bug description
When I pin a couple of model+provider at the bottom of the web GUI, if I refresh the page they are lost

ex.

1. run the gui python -m g4f --port 8080
2. navigate http://0.0.0.0:8080/chat/
3. click the pin at the bottom ofthe page under the chat baloon
4. refresh the page and see pins disappear

Screenshots
Before refresh (F5)

After refresh (F5)

Environment

• python 3.13.2 (Archlinux)
• Sweden (I'm in a cloudflare flagged country)

Additional context
n/a

[github-actions]

Bumping this issue because it has been open for 7 days with no activity. Closing automatically in 7 days unless it becomes active again.

[hlohaus]

Pinned models are now persistently stored in browser storage, preventing data loss upon refresh. @passthesh3ll