RegionManageSheet lets a manager set a region's target/budget for a
period, save a tax rule config, map a RegionalAgency user to the
region, and view its route/store hierarchy and dashboard stats. Wired
into the regions table as a new row action.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Adds RegionalTargetResponse, RegionalBudgetResponse,
RegionAgencyMapResponse, RegionalTaxRuleResponse,
RegionHierarchyResponse, and RegionDashboardResponse types, plus
setTarget/setBudget/mapAgency/setTaxRule/hierarchy/dashboard methods
on the regions API client, mirroring the new backend endpoints.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Introduced FlatPaymentController under Distribution.Features.Payment, providing GET and POST endpoints at /api/payments. Supports listing, retrieving, and creating payments with filtering and error handling. Business logic is delegated to PaymentService.