## ADDED Requirements

### Requirement: Merchant coupon management
Shop users SHALL manage only their shop's coupon templates from shop-admin, including localized title, amount and threshold in minor units, currency, claim stock, active window, and enabled state. Shop-admin SHALL expose a coupons navigation entry beside existing shop operations.

#### Scenario: create an active template
- **WHEN** a shop owner creates a valid coupon template
- **THEN** the template is available for eligible customers to claim during its active window

#### Scenario: coupons appear in shop navigation
- **WHEN** an authenticated shop user opens shop-admin
- **THEN** a coupons management entry is reachable without leaving the shop-scoped console