00:00 What we're building
00:25 Give Codex a bounded request
00:50 Register and place the widget
01:33 Trace the UI and market-data helper
02:41 Keep preferences, cache and selection separate
03:26 Add the selected quote to the top bar
04:36 Reload the actual desktop shell
05:00 Verify selection and closed-panel refresh
05:26 Undo the change and keep your state