fix: stabilize api keys table layout

docs: refresh README screenshots gallery

fix: make monitor distribution legends clickable

fix: unblock monitor chart interactions

fix: preserve quota card state while refreshing

fix: restore confirm modal cancel label

feat: auto-generate UI version in CI builds

feat: add channel filter to request logs UI

fix: filter api key models by selected channels

fix: surface oauth channel names in auth files

fix: avoid auth files modal input crash

feat: add channel management to admin pages

feat: update version display to use backend version as primary

feat: add Kimi header configuration UI in visual config editor

fix(ui): add missing cancel button text to auth files delete modal