wip: local changes and task backlog

- Refactor agent-form-dropdowns component
- Simplify app index routing
- Update agent-input-area and message-input
- Improve worktree utility with tests
- Add task backlog for upcoming work

.tasks/9328120f.md

@@ -0,0 +1,14 @@
+---
+id: 9328120f
+title: Fix desktop chat scroll - text captures scroll instead of container
+status: open
+deps: []
+created: 2026-01-08T16:26:52.180Z
+---
+
+
+## Notes
+
+**2026-01-08T16:26:57.949Z**
+
+When hovering over text in agent chat and scrolling, the text element captures the scroll event instead of letting the chat container scroll.