Fix eslint-disable syntax for file-level rules before 'use client'

File-level ESLint rules require block comment /* */ syntax, not
single-line //. Update RspackRscPlugin regex to also recognize
block comments before 'use client' directives.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: justin808

client/app/bundles/comments/components/SimpleCommentScreen/ror_components/SimpleCommentScreen.jsx

@@ -1,4 +1,4 @@
-// eslint-disable max-classes-per-file
+/* eslint-disable max-classes-per-file */
 'use client';
 
 import React from 'react';

config/webpack/rspackRscPlugin.js

@@ -24,8 +24,9 @@ function hasUseClientDirective(filePath) {
     fs.closeSync(fd);
 
     const head = buf.toString('utf-8');
-    // Check for 'use client' as the first statement (with or without semicolons/quotes)
-    result = /^(?:\s*\/\/[^\n]*\n)*\s*['"]use client['"]/.test(head);
+    // Check for 'use client' as the first statement.
+    // Allow comments (single-line // or block /* */) before the directive.
+    result = /^(?:\s*(?:\/\/[^\n]*\n|\/\*[\s\S]*?\*\/))*\s*['"]use client['"]/.test(head);
   } catch (_) {
     // file doesn't exist or can't be read
   }