fix: resolve vsce command path in custom packaging script

The packaging script creates a temp directory without node_modules,
so vsce command was not found. Use absolute path to vsce from the
parent directory's node_modules.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <[email protected]>

Author: elasticdotventures

scripts/package.js

@@ -66,7 +66,9 @@ try {
     console.log('🔨 Running vsce package...');
     const outputPath = path.resolve(outputFile);
 
-    execSync(`pnpm exec vsce package --out "${outputPath}"`, {
+    // Use vsce from the parent directory's node_modules
+    const vscePath = path.resolve('./node_modules/.bin/vsce');
+    execSync(`"${vscePath}" package --out "${outputPath}"`, {
         cwd: tempDir,
         stdio: 'inherit'
     });