feat: Implement Bygma Prisbog import script to handle CSV import of 54,558 products

feat: Create Python script to scrape 10 installation manuals from Bygma, focusing on construction materials

feat: Develop script to scrape installation manual from Bygma by VareNr, including AI analysis and database storage

feat: Add script to scrape Swedoor Snap-In Karmsat installation manual using product name from URL

chore: Create start script for PM2 to manage services with correct node path

test: Add comprehensive test script for quote generation and PDF endpoints

test: Implement CSV parser tests to verify product presence and data integrity

test: Create readline test script to efficiently read and search for product in CSV

test_csv_parser.js

@@ -0,0 +1,39 @@
+const fs = require('fs');
+const csv = require('csv-parser');
+
+const CSV_PATH = '/mnt/HC_Volume_103713257/tilbudgivern/frontend/firmadata/subvendor/bygma/PrisBog_CLEANED.csv';
+
+let lineCount = 0;
+let found118266 = false;
+
+console.log('📊 Scanning CSV with csv-parser...\n');
+
+fs.createReadStream(CSV_PATH)
+  .pipe(csv({
+    separator: ';',
+    headers: ['Varegrp', 'VareNr', 'Tekst', 'Enhed', 'BruttoPris', 'Opdat', 'Nettopris', 'DB-nr', 'EAN-nr', 'Std'],
+    skipLinesWithError: true,
+    strict: false,
+    skipEmptyLines: true
+  }))
+  .on('data', (row) => {
+    lineCount++;
+    
+    if (row.VareNr && row.VareNr.replace(/\s+/g, '').trim() === '118266') {
+      found118266 = true;
+      console.log(`✅ FOUND 118266 at line ${lineCount}!`);
+      console.log('Data:', row);
+    }
+    
+    if (lineCount % 10000 === 0) {
+      console.log(`Processed ${lineCount} lines...`);
+    }
+  })
+  .on('end', () => {
+    console.log(`\n📊 Total lines parsed: ${lineCount}`);
+    console.log(`Product 118266 found: ${found118266 ? 'YES ✅' : 'NO ❌'}`);
+  })
+  .on('error', (error) => {
+    console.error('❌ Error:', error.message);
+    console.log(`Stopped at line ${lineCount}`);
+  });