fix: ThreadErrorBanner tooltip

[andredsnogueira]

What Changed

ThreadErrorBanner was updated so the tooltip wraps only the error text (), not the whole AlertDescription.

Why

ThreadErrorBanner UI was broken as you can see from this issue #3635.

UI Changes

Before	After

Checklist

• This PR is small and focused
• I explained what changed and why
• I included before/after screenshots for any UI changes
• I included a video for animation/interaction changes

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Note

Low Risk
Single-component UI markup fix with no auth, data, or API impact.

Overview
Fixes broken ThreadErrorBanner layout by changing how the error tooltip is composed.

AlertDescription now wraps the full Tooltip block. The TooltipTrigger uses a span with line-clamp-3 for the truncated error text instead of rendering AlertDescription as the trigger element, so the dismiss action and alert chrome stay outside the tooltip target.

^{Reviewed by Cursor Bugbot for commit 7773a2c. Bugbot is set up for automated code reviews on this repo. Configure here.}

Note

Fix tooltip structure in ThreadErrorBanner component

Restructures the tooltip in ThreadErrorBanner.tsx so that AlertDescription wraps the entire Tooltip block, rather than being used as the TooltipTrigger rendered element. The trigger is now a span with line-clamp-3 styling.

^{Macroscope summarized 7773a2c.}

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[macroscopeapp]

Approvability

Verdict: Approved

Simple UI fix that restructures tooltip/alert component nesting to fix tooltip rendering. The change is purely presentational with no logic or behavior changes, affecting only one component.

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