Update npm packages to latest versions

Fix JavaScript sourcemap paths to show full file locations
Implement --build-debug flag and complete Build UI streaming
Add xterm.js terminal UI and fix asset path routing
Add RSpade Build UI service with WebSocket support

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

Co-Authored-By: Claude <noreply@anthropic.com>

app/RSpade/Core/JavaScript/resource/js-transformer.js

@@ -1,6 +1,7 @@
 #!/usr/bin/env node
 
 const fs = require('fs');
+const path = require('path');
 const crypto = require('crypto');
 const babel = require('@babel/core');
 
@@ -214,8 +215,12 @@ const prefixGeneratedVariables = function() {
 
 try {
     // Configure Babel transformation
+    // Use relative path for sourcemap to match SCSS behavior
+    const relativeFilePath = path.relative(process.cwd(), filePath);
+
     const result = babel.transformSync(content, {
-        filename: filePath,
+        filename: relativeFilePath,
+        sourceFileName: relativeFilePath,  // Explicitly set source filename for sourcemap
         sourceMaps: 'inline',
         presets: [
             ['@babel/preset-env', targetPresets[target] || targetPresets.modern]