## feat: Per-item loyalty cashback, unified checkout UI, settings cleanup - #9
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…in list, remove configurable points fields
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…ts/discounts/tax/loyalty) Integration tests (7 files, 123 assertions): - Happy path: order→discount→bill→payment→completed - Tax correctness: India GST calculation and recalculation - Payment integrity: split payments, wallet double-spend, zero-amount rejection - Order lifecycle: status transitions, cancel with PIN - Bill reconciliation: discount sync, add-items sync - Loyalty points: cashback, idempotency, wallet balance - Discount edge cases: combined discounts, max limits, addon prices Bug fixes: - #3: Add-items filters cancelled items from total recalculation - #4: Add-items syncs bill after updating order total - #5: Cancel/restore round-off formula corrected - #6: Discount endpoint wrapped in withTxn (race condition) - #7: Infinity passes validation (NaN/isFinite check) - #8: Missing amount defaults to remaining balance - #9: Amount capped at remaining balance - #11: Removing discount restores original tax - #12: Add-items preserves order-level discount - #13: Cancel/restore preserves order-level discount - #14: Item-level discount checks max settings - #15: Item-level discount syncs to bill - #17: Cancel/restore wrapped in withTxn - #20: Cashback calculated on discounted subtotal - #23: Quantity/price validation on order creation Shared test helper (tests/helpers/test-setup.ts): - Extracts 40 lines of boilerplate per test file - Provides: initTestDb, createApp, startServer, seed helpers, assert utilities Co-Authored-By: Claude <noreply@anthropic.com>
khaira777
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## feat: Per-item loyalty cashback, unified checkout UI, settings cleanup
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Changes
Loyalty System
cb_percentof each order item's subtotal to the customer's loyalty walletcb_percentfield)GET /customers/:id/loyalty-ledger— returns balance, next expiry, full transaction historyCheckout UI Consistency
Customers Page
Settings