fix: use .cjs extension for check-patterns script

- Rename check-patterns.js to check-patterns.cjs for CommonJS compatibility
- Update package.json to reference .cjs file
- This fixes ES module errors when checking if patterns need rebuild

package.json

@@ -60,7 +60,7 @@
   "scripts": {
     "build": "npm run build:patterns:if-needed && tsc",
     "build:patterns": "tsx scripts/buildEmbeddedPatterns.ts",
-    "build:patterns:if-needed": "node scripts/check-patterns.js || npm run build:patterns",
+    "build:patterns:if-needed": "node scripts/check-patterns.cjs || npm run build:patterns",
     "build:patterns:force": "npm run build:patterns",
     "prepare": "npm run build",
     "test": "npm run test:unit",

src/neural/embeddedPatterns.ts

@@ -2,7 +2,7 @@
  * 🧠 BRAINY EMBEDDED PATTERNS
  * 
  * AUTO-GENERATED - DO NOT EDIT
- * Generated: 2025-08-27T16:37:10.556Z
+ * Generated: 2025-08-27T16:58:35.801Z
  * Patterns: 220
  * Coverage: 94-98% of all queries
  *