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fix(web): the composer never scrolls horizontally and sidebar rows go full-width (CL-9785) - #1085
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TheGreatAxios merged 2 commits intoOct 3, 2026
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… full-width (CL-9785)
TheGreatAxios
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cl-9785-fixweb-composer-horizontal-scrollbar-and-smushed-sidebar
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October 3, 2026 17:06
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What changed and why: the shared composer textarea could show a horizontal scrollbar and sat cramped in its pill (overflow unset, 4px gap). It now clips horizontally, scrolls vertically only past max-height, and gets roomier padding. Sidebar rows are explicitly full-width so hover and selected share the same shape and radius. Two CSS files, no logic. Fixes CL-9785.
E2E proof: e2e/browser/composer-layout.test.ts types a 400-char unbroken token into .chat-composer-input and asserts scrollWidth <= clientWidth + overflow-x hidden; then creates a bench and asserts every populated .shell-ch-row is full-width (offsetWidth == container width), non-zero radius, active row present, radius stable on hover.
Known follow-up (not in diff): local .mockups/components.css .composer-box is still gap 4px / padding 6px while the app is now 8px/8px. .mockups/ is gitignored (never committed), so this needs a local-mockup alignment pass per DESIGN.md, not a PR change.