feat: add promo code discovery with usePromoCode hook

.github/workflows/ci.yml

@@ -0,0 +1,54 @@
+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+
+jobs:
+  unit-tests:
+    name: Unit Tests
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version-file: '.nvmrc'
+          cache: yarn
+
+      - name: Install dependencies
+        run: yarn install --frozen-lockfile
+
+      - name: Run unit tests
+        run: yarn test:ci
+
+  e2e-tests:
+    name: E2E Tests
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version-file: '.nvmrc'
+          cache: yarn
+
+      - name: Install dependencies
+        run: yarn install --frozen-lockfile
+
+      - name: Install Playwright Chromium
+        run: npx playwright install chromium
+
+      - name: Run E2E tests
+        run: yarn test:e2e
+
+      - name: Upload Playwright report
+        if: failure()
+        uses: actions/upload-artifact@v4
+        with:
+          name: playwright-report
+          path: playwright-report/
+          retention-days: 14

e2e/fixtures.js

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+/**
+ * Mock API response factories for e2e tests.
+ * Each factory returns a response body matching the API contract.
+ */
+
+const ticketType = (overrides = {}) => ({
+    id: 188,
+    name: 'Early Bird Ticket',
+    cost: 700,
+    currency: 'USD',
+    currency_symbol: '$',
+    quantity_2_sell: 1000,
+    quantity_sold: 0,
+    max_quantity_per_order: 10,
+    sales_start_date: null,
+    sales_end_date: null,
+    sub_type: 'Regular',
+    audience: 'All',
+    badge_type: { id: 1, name: 'General', access_levels: [], badge_features: [] },
+    ...overrides,
+});
+
+const discoveredCode = (overrides = {}) => ({
+    id: 100,
+    code: 'EARLYBIRD',
+    auto_apply: true,
+    allows_to_reassign: true,
+    quantity_per_account: 3,
+    remaining_quantity_per_account: 3,
+    quantity_available: 100,
+    quantity_used: 0,
+    class_name: 'DOMAIN_AUTHORIZED_DISCOUNT_CODE',
+    amount: 50,
+    rate: 0,
+    allowed_ticket_types: [188],
+    badge_features: [],
+    tags: [],
+    ...overrides,
+});
+
+const discoveryResponse = (codes = []) => ({
+    total: codes.length,
+    per_page: codes.length,
+    current_page: 1,
+    last_page: 1,
+    data: codes,
+});
+
+const ticketTypesResponse = (tickets = []) => ({
+    total: tickets.length,
+    per_page: tickets.length,
+    current_page: 1,
+    last_page: 1,
+    data: tickets,
+});
+
+const taxTypesResponse = (taxes = []) => ({
+    total: taxes.length,
+    per_page: taxes.length,
+    current_page: 1,
+    last_page: 1,
+    data: taxes,
+});
+
+const validationResponse = (overrides = {}) => ({
+    allows_to_reassign: true,
+    ...overrides,
+});
+
+const validationError = (message) => ({
+    message: 'Validation Failed',
+    errors: [message],
+    code: 0,
+});
+
+module.exports = {
+    ticketType,
+    discoveredCode,
+    discoveryResponse,
+    ticketTypesResponse,
+    taxTypesResponse,
+    validationResponse,
+    validationError,
+};