Add <%br= %> jqhtml syntax docs, class override detection, npm update

Document event handler placement and model fetch clarification

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

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

node_modules/@babel/plugin-transform-classes/lib/inline-callSuper-helpers.js

@@ -53,9 +53,7 @@ const helper = _core.template.statement`
 const helperIDs = new WeakMap();
 function addCallSuperHelper(file) {
   if (helperIDs.has(file)) {
-    {
-      return (_core.types.cloneNode || _core.types.clone)(helperIDs.get(file));
-    }
+    return (_core.types.cloneNode || _core.types.clone)(helperIDs.get(file));
   }
   try {
     return file.addHelper("callSuper");