* feat: add manual OAuth flow support in WebUI
* fix: reset add account modal state on close
* feat: display custom API key in startup banner
* fix: move translations to separate files and optimize import API
* fix: remove orphaned model-manager.js and cleanup callback server on manual auth
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Co-authored-by: Badri Narayanan S <59133612+badrisnarayanan@users.noreply.github.com>
