Bug Fixes

• Tier limit validation hotfix: fixed edit mode silently converting unlimited (null) to default numbers, and tier limit fields sending empty strings instead of null

• Fixed totalCards and totalWalletInstalls to respect the template filter on the customers page

• Removed default active status filter on customers route

• Fixed pagination bug and maxUses falsy check (0 was being treated as falsy)

• Fixed web app references to renamed cardName field in customer search

Performance

• Refactored getCustomers with parallel queries, single-pass card loop, and shared utils