hackmoney-router402

x402 payment integration via OpenFacilitator SDK. Use when implementing crypto payments, paywalls, API monetization, or tipping/transfer flows. Triggers: "x402", "OpenFacilitator", "crypto payments", "USDC payments", "paywall", "payment middleware", "verify and settle", "402 Payment Required". Supports EVM (Base, Ethereum, Polygon, Arbitrum, Avalanche, Sei, IoTeX, Peaq, X Layer) and Solana and Stacks chains.

Expertise in API design, database modeling, and server-side logic.

Expertise in CI/CD, deployment, and infrastructure management.

Expertise in technical writing and maintaining clear project documentation.

Database schema design and query optimization with Drizzle ORM.

Specialized instructions for modern frontend development (React, Next.js, CSS).

Managing internationalization and localization workflows.

Expertise in Locus-specific configuration, commands, and workflows.

Specialized guidance for Next.js performance and architecture.

Deep focus on optimization, profiling, and efficient resource usage.

Automation and E2E testing best practices using Playwright.

General guidelines for efficient codebase exploration and navigation.

High-level architectural map and project organization guidance.

Specialized knowledge in web security, vulnerability assessment, and safe coding.

Driving project quality through comprehensive testing strategies.

State management patterns and best practices using Zustand.