fix: Apply date filter on customer_invoices not all_invoices

v1.3.145:
- CRITICAL FIX: Date filter was running on all invoices
- Now correctly filters customer_invoices by date
- Prevents showing other customers' invoices

VERSION

@@ -1 +1 @@
-1.3.144
+1.3.145

app/services/economic_service.py

@@ -539,7 +539,7 @@ class EconomicService:
                 # Apply date filter (13 months back)
                 from dateutil.parser import parse as parse_date
                 filtered_by_date = []
-                for inv in all_invoices:
+                for inv in customer_invoices:
                     invoice_date_str = inv.get('date')
                     if invoice_date_str:
                         try: