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

.github/workflows/version.yml

@@ -0,0 +1,69 @@
+name: Version & Publish
+
+on:
+  push:
+    branches:
+      - main
+
+permissions:
+  contents: write
+  id-token: write
+
+jobs:
+  version:
+    name: Version & Publish Extension
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          # This makes Actions fetch all Git history so that Changesets can generate changelogs with the correct commits
+          fetch-depth: 0
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          registry-url: https://registry.npmjs.org
+
+      - name: Setup pnpm
+        uses: pnpm/action-setup@v4
+        with:
+          version: latest
+
+      - name: Get pnpm store directory
+        shell: bash
+        run: echo "STORE_PATH=$(pnpm store path --silent)" >> $GITHUB_ENV
+
+      - name: Setup pnpm cache
+        uses: actions/cache@v4
+        with:
+          path: ${{ env.STORE_PATH }}
+          key: ${{ runner.os }}-pnpm-store-${{ hashFiles('**/pnpm-lock.yaml') }}
+          restore-keys: |
+            ${{ runner.os }}-pnpm-store-
+
+      - name: Install root dependencies
+        run: pnpm install --frozen-lockfile
+
+      - name: Install extension dependencies
+        working-directory: apps/extension
+        run: pnpm install --frozen-lockfile
+
+      - name: Install vsce and ovsx globally
+        run: pnpm add -g @vscode/vsce ovsx
+
+      - name: Make release script executable
+        run: chmod +x scripts/release.sh
+
+      - name: Create Release Pull Request or Publish
+        uses: changesets/action@v1
+        with:
+          publish: ./scripts/release.sh
+          title: "Release: Extension Version Packages"
+          commit: "chore: release extension packages"
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
+          VSCE_PAT: ${{ secrets.VSCE_PAT }}
+          OVSX_PAT: ${{ secrets.OVSX_PAT }}