thomaspblock
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b47b5a5012
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fix(desktop): back split thread headers (#7137)
## Summary
- render an auxiliary panel's requested header backdrop in docked/split
mode
- preserve explicit transparent-backdrop behavior
- cover a populated, scrolled thread pane so timeline content cannot
bleed through its header
## Root cause
`RightAuxiliaryPane` correctly paints above the channel's shared header
backdrop so close/edit controls remain visible. The docked
`AuxiliaryPanelHeader` branch, however, ignored its `backdrop` request,
leaving scrolled thread content in that higher stacking context
unbacked.
## Verification
- desktop unit suite: 5,801 passed
- desktop TypeScript: passed
- Biome checks: passed (existing unrelated repository warnings only in
the earlier full run)
- targeted Playwright scroll regression: passed
- ultrawide thread-pane Playwright coverage: passed
Signed-off-by: Wintermute <c0fc581234c3585602139eec347ced7b82af65b6f6c10728348515c0c06c51c3@buzz.block.builderlab.xyz>
Co-authored-by: Wintermute <c0fc581234c3585602139eec347ced7b82af65b6f6c10728348515c0c06c51c3@buzz.block.builderlab.xyz>
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2026-08-31 17:29:31 -04:00 |
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