feat: widen chat list sidebar and adjust icon column spacing (#2519)

## Summary - Increase chat list panel width from 240px to 272px and app item width from 190px to 206px for better readability - Adjust overall sidebar width from 18rem to 19rem and icon column from 5rem to 4.5rem ## Test plan - Open the app and verify sidebar renders at the new width - Verify chat list items and app items display correctly without truncation - Verify icon column alignment looks correct 🤖 Generated with [Claude Code](https://claude.com/claude-code)  --- <a href="https://app.devin.ai/review/dyad-sh/dyad/pull/2519" target="_blank"> <picture> <source media="(prefers-color-scheme: dark)" srcset="https://static.devin.ai/assets/gh-open-in-devin-review-dark.svg?v=1"> <img src="https://static.devin.ai/assets/gh-open-in-devin-review-light.svg?v=1" alt="Open with Devin"> </picture> </a>   --- ## Summary by cubic Widened the chat list panel (240px→272px) and app item width (190px→206px), and adjusted the sidebar (18rem→19rem) and icon column (5rem→4.5rem) to improve readability and alignment. <sup>Written for commit 5b43043809979d2b09e7b86cfdae9c2b2f757241. Summary will update on new commits.</sup>   --- > [!NOTE] > **Low Risk** > Purely presentational layout tweaks (Tailwind widths/CSS vars) with no changes to data flow, auth, or persistence logic. > > **Overview** > Increases the right-hand panel width in `app-sidebar.tsx` (chat/apps/settings/library lists) and the per-row width in `AppItem` to reduce truncation. > > Updates global sidebar sizing constants in `ui/sidebar.tsx`, widening the expanded sidebar while slightly narrowing the collapsed icon rail to rebalance spacing. > > <sup>Written by [Cursor Bugbot](https://cursor.com/dashboard?tab=bugbot) for commit 5b43043809979d2b09e7b86cfdae9c2b2f757241. This will update automatically on new commits. Configure [here](https://cursor.com/dashboard?tab=bugbot).</sup>  Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>

feat: widen chat list sidebar and adjust icon column spacing (#2519)
3cbcc6f0 · Will Chen · GitHub · 26687a6f · 3cbcc6f0 · 3cbcc6f0
--- a/src/components/app-sidebar.tsx
+++ b/src/components/app-sidebar.tsx
@@ -144,7 +144,7 @@ export function AppSidebar() {
            <AppIcons onHoverChange={setHoverState} />
          </div>
          {/* Right Column: Chat List Section */}
-          <div className="w-[240px]">
+          <div className="w-[272px]">
            <AppList show={selectedItem === "Apps"} />
            <ChatList show={selectedItem === "Chat"} />
            <SettingsList show={selectedItem === "Settings"} />

--- a/src/components/appItem.tsx
+++ b/src/components/appItem.tsx
@@ -21,7 +21,7 @@ export function AppItem({
 }: AppItemProps) {
  return (
    <SidebarMenuItem className="mb-1 relative ">
-      <div className="flex w-[190px] items-center" title={app.name}>
+      <div className="flex w-[206px] items-center" title={app.name}>
        <Button
          variant="ghost"
          onClick={() => handleAppClick(app.id)}

--- a/src/components/ui/sidebar.tsx
+++ b/src/components/ui/sidebar.tsx
@@ -15,8 +15,8 @@ import {
 const SIDEBAR_COOKIE_NAME = "sidebar_state";
 const SIDEBAR_COOKIE_MAX_AGE = 60 * 60 * 24 * 7;
-const SIDEBAR_WIDTH = "18rem";
+const SIDEBAR_WIDTH = "19rem";
-const SIDEBAR_WIDTH_ICON = "5rem";
+const SIDEBAR_WIDTH_ICON = "4.5rem";
 const SIDEBAR_KEYBOARD_SHORTCUT = "b";
 type SidebarContextProps = {