- Move host selector to header (right side) with icon + name + status dot
- Combine provider/model/mode into single "Agent" dropdown
- Replace Git branch/worktree toggles with segmented IsolationControl (None/Branch/Worktree)
- Only show Git section for git repositories (hide for non-git directories)
- Wrap config section in ScrollView for proper scrolling
- Simplify layout: Working Directory → Agent → Git (when applicable)
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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
