fix(annotations): empty dock overlay clipped thread panel content#8
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The right-side Threads dock was created and left visible (320px) even when no thread was docked, painting an invisible overlay over every floating panel and squeezing its content into a left strip. - dock is display:none by default; shown only via body.ai-tag-dock-open (added only when a panel is actually docked) - messages area sizes to content (flex:0 1 auto), no empty void - floating-panel positioning clamps to the viewport on all edges - removed backdrop-filter blur (fixed/draggable compositing artifact) - mobile panel height floored instead of collapsing 60vh Verified at 1280x800 via Playwright; smoke 22/22. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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The bug
The annotation Q&A panel opened with content squeezed into a narrow left strip and a large empty white box covering the right — reported with a screenshot.
Root cause
The right-side Threads dock was created and left visible (320px wide) even when no thread was docked, painting an invisible overlay over every floating panel. Dock visibility was managed via inconsistent inline
displaystyles.Fix
display:noneby default in CSS, shown only viabody.ai-tag-dock-open— added exclusively when a panel is actually docked, removed when empty.flex:0 1 auto) instead of growing to fill an oversized panel (no empty void).backdrop-filter: blur()(compositing artifacts on a fixed/draggable element) for a solid background.min-height,max-height:70vh) instead of a collapsing60vh.Verified
At 1280×800 via Playwright (the live preview iframe is 1px tall and can't validate layout): panel renders full-width; the previously-empty region now hit-tests to a message element, not the dock; docking still reflows the document (1280 → 960) and the dock shows only when used. Smoke 22/22.
🤖 Generated with Claude Code