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coder/site
Kyle Carberry 3f939375fa refactor: unify agent sidebar into generic tabbed panel with Git sub-views (#22837)
## Summary

Refactors the right-side panel in the Agents page into a generic tabbed
container with a unified Git panel.

### Changes

**Architecture**
- `SidebarTabView` is now a generic tabbed container with no
git-specific logic, ready for additional tabs
- All Git content lives in a new `GitPanel` component with an internal
Remote/Local segmented control

**Git Panel**
- Remote view: branch/PR diff via `FilesChangedPanel`
- Local view: working tree changes with per-repo headers, commit &
refresh actions
- Split/unified diff toggle restored in the toolbar
- `DiffStatBadge` rendered inside the Remote/Local segmented buttons
(full-height, no rounding, inactive opacity 50%)

**Visual polish**
- Active/inactive/hover states match the sidebar agent selection styles
(`bg-surface-quaternary/25`, `hover:bg-surface-tertiary/50`)
- Inactive tab text uses `text-content-secondary` (not primary)
- Tab button sizing fixed: `min-w-0` + `px-2` to prevent inflated width
- Chat title centered via absolute positioning when panel is fullscreen
- Polished empty states with boxed icons (`GitCompareArrowsIcon` for
Remote, `FileDiffIcon` for Local)
- Unified header styles between Remote and Local sections (both use
`bg-surface-secondary` with consistent icon/text sizing)
- Panel toggle always visible in top bar (not gated on having diff data)

**Cleanup**
- Removed dead code: `DiffStatsInline`, `computeDiffStats` export,
`workingDiffStats` memo, `ChatDiffStatusResponse` import
- Simplified `RepoChangesPanel` to a pure `DiffViewer` wrapper
- Simplified `TopBar` to use a generic `panel` prop instead of
diff-specific props
2026-03-09 10:44:56 -04:00
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