chore: import upstream snapshot with attribution

scripts/sync-runtime-version.js

@@ -0,0 +1,54 @@
+#!/usr/bin/env node
+
+/**
+ * Sync version from package.json to package.runtime.json and README.md
+ * This ensures all files always have the same version
+ */
+
+const fs = require('fs');
+const path = require('path');
+
+const packageJsonPath = path.join(__dirname, '..', 'package.json');
+const packageRuntimePath = path.join(__dirname, '..', 'package.runtime.json');
+const readmePath = path.join(__dirname, '..', 'README.md');
+
+try {
+  // Read package.json
+  const packageJson = JSON.parse(fs.readFileSync(packageJsonPath, 'utf-8'));
+  const version = packageJson.version;
+  
+  // Read package.runtime.json
+  const packageRuntime = JSON.parse(fs.readFileSync(packageRuntimePath, 'utf-8'));
+  
+  // Update version if different
+  if (packageRuntime.version !== version) {
+    packageRuntime.version = version;
+    
+    // Write back with proper formatting
+    fs.writeFileSync(
+      packageRuntimePath, 
+      JSON.stringify(packageRuntime, null, 2) + '\n',
+      'utf-8'
+    );
+    
+    console.log(`✅ Updated package.runtime.json version to ${version}`);
+  } else {
+    console.log(`✓ package.runtime.json already at version ${version}`);
+  }
+  
+  // Update README.md version badge
+  let readmeContent = fs.readFileSync(readmePath, 'utf-8');
+  const versionBadgeRegex = /(\[!\[Version\]\(https:\/\/img\.shields\.io\/badge\/version-)[^-]+(-.+?\)\])/;
+  const newVersionBadge = `$1${version}$2`;
+  const updatedReadmeContent = readmeContent.replace(versionBadgeRegex, newVersionBadge);
+  
+  if (updatedReadmeContent !== readmeContent) {
+    fs.writeFileSync(readmePath, updatedReadmeContent);
+    console.log(`✅ Updated README.md version badge to ${version}`);
+  } else {
+    console.log(`✓ README.md already has version badge ${version}`);
+  }
+} catch (error) {
+  console.error('❌ Error syncing version:', error.message);
+  process.exit(1);
+}