fix(receipt-import): strengthen bacon detection with OCR-tolerant rule signals

backend/src/receipt-import/receipt-import.service.ts

@@ -252,7 +252,15 @@ export class ReceiptImportService {
       }
 
       try {
-        const byRule = this.ruleBasedCategorySuggestion(item.rawName, categories);
+        const signalText = [
+          item.rawName,
+          item.matchedProductName,
+          item.suggestedProductName,
+        ]
+          .filter((v): v is string => typeof v === 'string' && v.trim().isNotEmpty)
+          .join(' ');
+
+        const byRule = this.ruleBasedCategorySuggestion(signalText || item.rawName, categories);
         let nextSuggestion = item.categorySuggestion ?? null;
 
         const isTrustedSuggestion =
@@ -284,7 +292,7 @@ export class ReceiptImportService {
         }
 
         const guardedSuggestion = nextSuggestion
-          ? this.applyContradictionGuard(item.rawName, nextSuggestion, categories)
+          ? this.applyContradictionGuard(signalText || item.rawName, nextSuggestion, categories)
           : null;
 
         enriched.push(
@@ -337,6 +345,8 @@ export class ReceiptImportService {
     // ── Regel: Kött/chark (bacon/fläsk m.m.) ────────────────────────────
     const hasPorkSignal =
       /\bbacon\b/.test(normalized) ||
+      /\bbacn\b/.test(normalized) ||
+      /\bbaco\b/.test(normalized) ||
       /\bsidflask\b/.test(normalized) ||
       /\bpancetta\b/.test(normalized) ||
       /\bflask\b/.test(normalized) ||
@@ -674,6 +684,8 @@ export class ReceiptImportService {
     const normalized = normalizeForRules(rawName);
     const hasPorkSignal =
       /\bbacon\b/.test(normalized) ||
+      /\bbacn\b/.test(normalized) ||
+      /\bbaco\b/.test(normalized) ||
       /\bsidflask\b/.test(normalized) ||
       /\bpancetta\b/.test(normalized) ||
       /\bflask\b/.test(normalized) ||