Strip country suffix before address parsing in wizard

Handles "United States/USA" at end of address string that
was blocking ZIP and state regex extraction.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

portal/setup-wizard.html

@@ -2112,7 +2112,8 @@
         console.log('Parsing address:', biz.address);
 
         // Parse from the end forward: ZIP (5 digits), then State (2 letters), then City + AddressLine1
-        let remaining = biz.address.trim();
+        let remaining = biz.address.trim()
+          .replace(/,?\s*(United States|USA|US|U\.S\.A?\.)?\s*$/i, '').trim();
 
         // Extract ZIP (last 5 digits, optionally with -4)
         const zipMatch = remaining.match(/\b(\d{5})(?:-\d{4})?\s*$/);