* Hooks are in multiple places in the codebase and some camelCase, some snake-case. This PR relocates them all to the lib/hooks folder and normalizes camelCase naming. Settled on src/client/lib/hooks for the location since most of them were already there.
- Refactor/move useTheme.ts from client/src/lib to client/src/lib/hooks
- Refactor/move useToast.ts from client/src/hooks/ to client/src/lib/hooks/useToast.ts
- Removed client/src/hooks
Lint issues fixed:
1. Removed unused error variable in catch block
2. Changed 'ActionTypes' type to enum
3. Removed unnecessary interface extensions
4. Removed unused export component
5. Added the missing dependencies to useMemo
6. Fixed the inline function issue by changing it to useMemo
- create useCompletion hook to fetch completions with debouncing and abort control
- Updated `PromptsTab.tsx` and `ResourcesTab.tsx` to utilize the `Combobox` component and `useCompletions` hook, enabling argument autocompletion for prompts and resource URIs as per the MCP specification.
- Added a combobox to show completions
