fix: Include period-based lines and normalize product grouping

- Include lines with period fields even without keywords
- Normalize product names to group similar lines
- Improves monthly Hosting - AR2 visibility

app/services/subscription_matrix.py

@@ -191,20 +191,24 @@ class SubscriptionMatrixService:
                     product_number = line.get('product', {}).get('productNumber')
                     product_name = line.get('product', {}).get('name') or line.get('description')
                     line_description = (line.get('description') or product_name or "").lower()
-                    # Only include lines that indicate a period or subscription
+
+                    line_period = self._extract_period_from_text(line_description) or invoice_period
+                    has_period = bool(line.get('period', {}).get('from') if line.get('period') else None) or bool(line_period)
+
+                    # Only include lines that indicate a period or subscription or explicit period fields
                     if (
                         "periode" not in line_description
                         and "abonnement" not in line_description
                         and "periode" not in invoice_text
                         and "abonnement" not in invoice_text
+                        and not has_period
                     ):
                         continue
-                    line_period = self._extract_period_from_text(line_description) or invoice_period
                     
                     if not product_number and not product_name:
                         logger.debug(f"Skipping line without product number: {line}")
                         continue
-                    product_key = product_number or (product_name or "").strip().lower()
+                    product_key = product_number or self._normalize_product_key(product_name or "")
                     
                     # Cache product name
                     if product_key not in product_names:
@@ -355,6 +359,19 @@ class SubscriptionMatrixService:
         next_month = dt.replace(day=28) + timedelta(days=4)
         return next_month - timedelta(days=next_month.day)
 
+    @staticmethod
+    def _normalize_product_key(name: str) -> str:
+        """Normalize product names to keep similar lines on the same row."""
+        base = (name or "").lower().strip()
+        # Remove period phrases like "periode" and trailing date ranges
+        for token in ["periode", "abonnement"]:
+            if token in base:
+                base = base.split(token)[0].strip()
+        # Collapse multiple spaces
+        while "  " in base:
+            base = base.replace("  ", " ")
+        return base or name.lower().strip()
+
     @staticmethod
     def _extract_period_from_text(text: str) -> Optional[datetime]:
         """Extract month/year from invoice title/notes text (e.g., 'Periode May 2025')."""