fix(extension): address PR review comments and improve implementation

- Fixed InternalError class definition in errorHandler.ts
- Updated extension configuration and CI workflows
- Improved error handling and type safety
- Enhanced build and release automation
- Updated documentation and changelogs

Addresses review feedback on PR #997

.github/workflows/extension-ci.yml

@@ -200,4 +200,4 @@ jobs:
         with:
           name: extension-test-results
           path: apps/extension/test-results
-          retention-days: 30 
+          retention-days: 30