Merge branch 'main' into codex/analyze-.py-files-for-react-migration-ywgel6

Improve persistent error handling in chat UI

Merge branch 'main' into codex/analyze-.py-files-for-react-migration-3294tc

feat: add collapsible left sidebar toggle

Merge branch 'main' into codex/analyze-.py-files-for-react-migration-qssfxd

style: translucent user bubble and toggleable thumbs feedback

Merge branch 'main' into codex/analyze-.py-files-for-react-migration-x9d5j3

feat: reset to prompt menu on refresh, turquoise user bubble, and response action buttons

Merge branch 'main' into codex/analyze-.py-files-for-react-migration-b0xb4q

style: align user/model bubbles right-left with avatars near each bubble

Merge branch 'main' into codex/analyze-.py-files-for-react-migration-pp79bd

style: reduce input typography/margins and use robot avatar for model

Merge branch 'main' into codex/analyze-.py-files-for-react-migration-nzxit4

fix: input styling and ensure first message names session

Merge branch 'main' into codex/analyze-.py-files-for-react-migration-ktuqe1

feat: show remote logo and force pointer cursor on example prompts

Merge branch 'main' into codex/analyze-.py-files-for-react-migration-prhffx

style: improve chat response formatting to match polished reference

Merge branch 'main' into codex/analyze-.py-files-for-react-migration-86rway

style: replace default scrollbar with elegant dark thin scrollbar

Merge branch 'main' into codex/analyze-.py-files-for-react-migration-mpqszf

style: remove center panel look and match cleaner mock appearance

Merge branch 'main' into codex/analyze-.py-files-for-react-migration-eou1o6

style: match requested mock layout without logo

Merge branch 'main' into codex/analyze-.py-files-for-react-migration-8i0ekk

style: apply requested RoboCopy typography and button formats

fix: remove binary logo asset to avoid PR binary-file error

Add global styles and layout for the app

Create App.css