chore: reduce frontend lint warnings

scripts/dynamic-analysis.mjs

@@ -3,7 +3,7 @@
  * Measures: page load, bundle sizes, memory, rendering, network.
  */
 import { chromium } from 'playwright';
-import { readFileSync, readdirSync, statSync } from 'fs';
+import { readdirSync, statSync } from 'fs';
 import { join } from 'path';
 
 const DIST = join(import.meta.dirname, '..', 'dist');
@@ -187,7 +187,7 @@ async function runtimeAnalysis() {
       const allElements = document.querySelectorAll('*');
       const tagCounts = {};
       let maxDepth = 0;
-      let totalNodes = allElements.length;
+      const totalNodes = allElements.length;
       
       allElements.forEach(el => {
         const tag = el.tagName.toLowerCase();
@@ -297,7 +297,7 @@ console.log('╔═════════════════════
 console.log('║   OmniAI Web Preview - Performance Analysis  ║');
 console.log('╚═══════════════════════════════════════════════╝');
 
-const bundleResult = analyzeBundles();
+analyzeBundles();
 await runtimeAnalysis();
 
 console.log('\n═══════════════════════════════════════════════');