feat: add Accordion component for UI and Zustand store for coordinator management

- Implemented Accordion component using Radix UI for collapsible sections.
- Created Zustand store to manage coordinator execution state, command chains, logs, and interactive questions.
- Added validation tests for CLI settings type definitions, ensuring type safety and correct behavior of helper functions.

ccw/frontend/package.json

@@ -19,6 +19,7 @@
   "dependencies": {
     "@formatjs/icu-messageformat-parser": "^2.11.4",
     "@hello-pangea/dnd": "^18.0.1",
+    "@radix-ui/react-accordion": "^1.2.12",
     "@radix-ui/react-alert-dialog": "^1.1.15",
     "@radix-ui/react-checkbox": "^1.3.3",
     "@radix-ui/react-collapsible": "^1.1.12",