* In App.tsx
- added subscribeToResource()
- takes a uri
- sends a `resources/subscribe` message with the uri
- added unsubscribeFromResource()
- takes a uri
- sends a `resources/unsubscribe` message with the uri
- in ResourcesTab element,
- pass subscribeToResource and subscribeToResource invokers to component
* In notificationTypes.ts
- add ServerNotificationSchema to NotificationSchema to permit server update messages.
* In ResourcesTab.tsx
- deconstruct subscribeToResource and unsubscribeFromResource and add prop types
- Add Subscribe and Unsubscribe buttons to selected resource panel, left of the refresh button. They call the sub and unsub functions that came in on props, passing the selected resource URI.
- [WIP]: Will show the appropriate button in a follow up commit.
* In useConnection.ts
- import ResourceUpdatedNotificationSchema
- in the connect function,
- set onNotification as the handler for ResourceUpdatedNotificationSchema
- Move completion logic from App.tsx to useConnection hook
- Replace useCompletion with simpler useCompletionState hook
- Add graceful fallback for servers without completion support
- Improve error handling and state management
- Update PromptsTab and ResourcesTab to use new completion API
- Add type safety improvements across completion interfaces
- 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
