Payment

Comprehensive E2E testing suite for MyDetailArea dealership workflows. Implements Playwright test scenarios for critical user journeys including order creation, invoice generation, payment processing, VIN scanning, and team collaboration. Includes role-based testing, performance benchmarks, visual regression, and CI/CD integration. Use when implementing automated testing for dealership operations.

Calculates supplier allowances (Marketing, DDR, General Discount) and volume rebates. Generates credit requests and credit memos. Use when working with CalculationType (ItemCost, ItemCostWithCredit, ItemCostWithCreditAllowance), ForCreditRequest, Earned, Accrual metrics, rebate tiers/steps, PaidToTheFirst, Growth rebate types, PaymentOnReachingStep, or ConditionType (CreditMemo, DeductedFromPayment).

Guides consistent, correct implementation of Stripe payment processing including payment flows, webhooks, subscriptions, and customer management. Use when integrating Stripe payments, setting up subscriptions, implementing webhooks, or managing customer billing.

Use when working with donations, payments, or Razorpay integration in SikhAid project. Covers Razorpay setup, payment validation, donation flow, success/failure handling, and payment configuration.

Implement payment integrations with SePay (Vietnamese payment gateway with VietQR, bank transfers, cards) and Polar (global SaaS monetization platform with subscriptions, usage-based billing, automated benefits). Use when integrating payment processing, implementing checkout flows, managing subscriptions, handling webhooks, processing bank transfers, generating QR codes, automating benefit delivery, or building billing systems. Supports authentication (API keys, OAuth2), product management, customer portals, tax compliance (Polar as MoR), and comprehensive SDK integrations (Node.js, PHP, Python, Go, Laravel, Next.js).

Use when implementing Weavr UI components for secure payment flows, authentication (password/passcode), KYC/KYB verification, or card display

Help customers update their payment method. Use when customer wants to change card, update billing info, fix failed payment, or add new payment method.

Comprehensive Stripe API expert with access to 3,253 official documentation files covering all payment processing, billing, subscriptions, webhooks, Connect, Terminal, Radar, Identity, Tax, Climate, and integrations. Invoke when user mentions Stripe, payments, subscriptions, billing, payment processing, checkout, invoices, or any payment-related features.

Comprehensive Whop platform expert with access to 212 official documentation files covering memberships, payments, products, courses, experiences, forums, webhooks, and app development. Invoke when user mentions Whop, digital products, memberships, course platforms, or community monetization.

Expert on Shelby Protocol smart contracts on Aptos blockchain. Helps with blob metadata, micropayment channels, auditing system, storage commitments, placement group assignments, Move modules, and on-chain state management. Triggers on keywords Shelby smart contract, Shelby Move, blob metadata, micropayment channel, Shelby auditing, placement group assignment, storage commitment, Aptos contract.

Clerk Billing and Stripe subscription management setup. Use when implementing subscriptions, configuring pricing plans, setting up billing, adding payment flows, managing entitlements, or when user mentions Clerk Billing, Stripe integration, subscription management, pricing tables, payment processing, or monetization.

Automatically applies when logging sensitive data. Ensures PII (phone numbers, emails, IDs, payment data) is redacted in all logs and outputs for compliance.

Modular design pattern for external service integrations (CAPTCHA, payment, SMS, file storage, analytics). Use when implementing third-party services, designing service abstractions, or reviewing service architecture. Triggers on /src/services/* files, integration questions, and provider implementations.

Implement robust error handling with user-friendly messages, fail-fast validation, specific exception types, centralized error boundaries, graceful degradation, retry strategies, and proper resource cleanup. Use this skill when writing try-catch blocks or exception handling code in any programming language (JavaScript/TypeScript, Python, Java, Go, Rust), implementing error boundaries in React (ErrorBoundary components) or similar error handling patterns in other frameworks (Vue error handlers, Angular ErrorHandler), handling API errors and HTTP error responses in fetch calls, Axios requests, or tRPC procedures, validating user input and function preconditions at the start of functions, creating custom error classes or exception types for specific failure scenarios (ValidationError, NotFoundError, UnauthorizedError, PaymentError), implementing retry logic with exponential backoff for external service calls, network requests, or database queries, ensuring proper resource cleanup in finally blocks or using langu

Implementa sistema completo de pagos recurrentes con Flow.cl (Chile) y Stripe (internacional). Incluye suscripciones mensuales, webhooks, firma HMAC, manejo de errores y múltiples estrategias de fallback. Basado en implementación real probada en producción.

Comprehensive Flow Nexus platform management - authentication, sandboxes, app deployment, payments, and challenges

Crypto wallet assistant for generating payment links for supported tokens (USDC, USDT, vUSD, ICP, CKUSDC) across multiple networks (Solana, Ethereum, Base, BSC, Vly, ICP), X402 redirect links for accessing payment-protected content, and providing access to the vly.money wallet interface. Use when users request to send/transfer crypto, mention 402 errors or payment-required content, or explicitly ask to access vly.money wallet.

Use this skill when designing UI/UX, creating dashboards, building SaaS interfaces, or reviewing frontend design. Provides S-tier design checklist inspired by Stripe, Airbnb, and Linear.

Architecture analysis, violation detection, and pattern validation.USE WHEN: reviewing code architecture, identifying violations,verifying patterns, updating technical documentation.Reference: docs/02-architecture/ARCHITECTURE.mdExamples:<example>Context: User wants to check if code follows architecture.user: "Analyze if the payment module follows our architecture"assistant: "I'll use architecture-analyzer to review against ARCHITECTURE.md."<commentary>Architectural review is architecture-analyzer specialty.</commentary></example><example>Context: Need to identify technical debt.user: "Find architectural violations in the services layer"assistant: "I'll use architecture-analyzer to scan for violations."<commentary>Violation detection is architecture-analyzer responsibility.</commentary></example>

Implement Stripe payments, webhooks, and subscriptions correctly first time