const fs = require('fs');
const path = require('path');
const os = require('os');

const dump = JSON.parse(fs.readFileSync(
  path.join(os.homedir(), '.gemini', 'antigravity', 'bridge', 'dump_html.json'), 'utf-8'
));

const bodyStr = JSON.stringify(dump.body);

// Find all unique tag names
const tagMatches = bodyStr.match(/"tag":"[a-z0-9]+"/g) || [];
const uniqueTags = [...new Set(tagMatches)];
console.log('=== Unique DOM tags ===');
console.log(uniqueTags.sort().join('\n'));

// Check for pipe characters (markdown table syntax)
console.log('\n=== Pipe | in text content ===');
const pipeMatches = [...bodyStr.matchAll(/"text":"[^"]*\|[^"]*"/g)];
console.log(`Found ${pipeMatches.length} text nodes with pipe |`);
pipeMatches.slice(0, 5).forEach(m => console.log('  ', m[0].substring(0, 120)));

// Check for table-related class names
console.log('\n=== Table-related classes ===');
const classMatches = bodyStr.match(/"cls":"[^"]*"/g) || [];
const tableClasses = classMatches.filter(c => /table|grid|cell|col|row/i.test(c));
console.log(`Found ${tableClasses.length} table-related classes`);
[...new Set(tableClasses)].slice(0, 10).forEach(c => console.log('  ', c));