feat: single session enforcement + UI improvements

feat: add max branches and cashiers limit, refine admin UI settings, implement tier-based qris fee

fix: tenant settings not fetching and caching correctly

feat: Add flexible tenant subscription settings (member, voucher, multi-branch, multi-kasir)

Update WhatsApp notification format, add voucher to order reports, and add tenant settings toggle

fix: select is_point_enabled in getBranches

feat: add branch specific point settings

fix: add missing wallet and fee fields to ListCompanies

feat: show member name and points earned in payment receipt

feat: implement multi-tier point rules

feat: implement automated member points calculation

fix: manual cascading deletes in company_controller and add public ip check endpoint

feat: support dynamic tenant Tripay credentials and proxy via database

fix: return empty array instead of null for list endpoints to prevent FE crashes

perf: completely fix N+1 query problem and select * in ListCompanies, ListBranches, and GetCurrentUser middleware

perf: optimize ListUsers and ListCompanies with database-level pagination and search

fix: initialize empty slices instead of returning nil (null) to prevent frontend crashes

feat: migrate warungpos backend to Go with Tripay