feat: add LexAI status bar and suggestion panel

- Implemented a status bar item for LexAI with dynamic status updates (ready, processing, notReady).
- Created a suggestion panel for displaying and interacting with AI-generated suggestions.
- Added functionality for accepting, regenerating, and discarding suggestions within the suggestion zone.
- Introduced configuration options for writing style, prompt patterns, personas, and formats.
- Integrated progress indicators for long-running tasks and improved user feedback.
- Established TypeScript configuration for the vscode package.

.cursor/hooks.json

@@ -0,0 +1,11 @@
+{
+  "version": 1,
+  "hooks": {
+    "sessionStart": [
+      { "command": "node .cursor/hooks/session-context.mjs", "timeout": 10 }
+    ],
+    "beforeShellExecution": [
+      { "command": "node .cursor/hooks/guard-destructive.mjs", "timeout": 10 }
+    ]
+  }
+}