The error banner is a flex child of the chat panel column. Mantine's
Alert root is `overflow: hidden`, which (per the CSS flexbox spec) drops
its automatic min-height to 0, so when the message history fills the
panel the flexbox compressed the banner below its content height and the
overflow:hidden clipped the detail text (e.g. "Please try again.").
Set flex-shrink: 0 on the banner so it always shows its full content; the
scrollable message list absorbs the height pressure instead.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
The AI chat error Alert stranded the warning icon in the top-left while
the detail text hung indented under the heading, wrapping to 3 narrow
lines with empty space below. Switch to a "full-width detail" layout
(icon + bold heading on the first row, detail spanning full width below)
and extract the markup, previously duplicated in ChatThread and
MessageItem, into a single shared ChatErrorAlert component.
- add apps/client/src/features/ai-chat/components/chat-error-alert.tsx
- use it for the live stream error in chat-thread.tsx (mb="xs")
- use it for the persisted history error in message-item.tsx (mt={4})
- heading/icon use the adaptive --mantine-color-red-light-color so the
banner stays correct in dark mode
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
