2053
An interactive model selection slider expands above the keyboard with a frosted blur backdrop. As the user scrubs or drags across discrete stepped levels, the pill thumb glides smoothly along the track and snaps into place. A label above the track dynamically crossfades text between options like '5.6 Medium', '5.5 Instant', and '5.6 High'. Once selection concludes, the slider overlay gracefully fades out, returning focus to the chat composer.
