doku-payment-gateway

# DOKU Payment Gateway Integration / Integrasi Payment Gateway DOKU [English](#english) | [Bahasa Indonesia](#bahasa-indonesia) --- <a name="english"></a> ## English ### Orchestration & Integration Connects and orchestrates with relevant domain skills like `brainstorming`, `zero-to-prod-orchestrator`, and `session-memory-manager` to ensure cohesive execution. ### Description Expert guide for implementing DOKU Payment Gateway integrations based on official [DOKU Developers Documentation](https://developers.doku.com/). As of the mandate, all integrations MUST use the SNAP API v1.0 standard (Standard Nasional Open API Pembayaran) instead of the legacy Jokul API v2. Covers B2B Access Token generation, SHA-256 Body hashing, HMAC-SHA512 request signature construction, Webhook notification verification, Payment implementations (Virtual Account, QRIS, E-Wallet, Credit Card), error handling, and sandbox/production deployment. ### Trigger Conditions Activate this skill when the user is: - Building or refactoring DOKU Payment Gateway integration in Node.js, TypeScript, Python, Go, PHP, or Java. - Implementing SNAP BI B2B Access Token and HMAC-SHA512 signature calculations (`X-SIGNATURE`). - Setting up DOKU SNAP APIs for Virtual Account, QRIS, E-Wallet, or Credit Card. - Debugging DOKU API authorization errors (e.g., `Unauthorized`, invalid signature, incorrect timestamp format). --- ### Core Architecture & Credentials #### Environment Gateways | Environment | Base URL | Dashboa...