wpank

Horizontally-scalable WebSocket hub pattern with lazy Redis subscriptions, connection registry, and graceful shutdown. Use when building real-time WebSocket servers that scale across multiple instances. Triggers on WebSocket hub, WebSocket scaling, connection registry, Redis WebSocket, real-time gateway, horizontal scaling.

Dual-stream event publishing combining Kafka for durability with Redis Pub/Sub for real-time delivery. Use when building event-driven systems needing both guaranteed delivery and low-latency updates. Triggers on dual stream, event publishing, Kafka Redis, real-time events, pub/sub, streaming architecture.

PostgreSQL-based job queue with priority scheduling, batch claiming, and progress tracking. Use when building job queues without external dependencies. Triggers on PostgreSQL job queue, background jobs, task queue, priority queue, SKIP LOCKED.

Practical estimation techniques for software tasks — methods comparison, decomposition, complexity multipliers, buffer calculation, bias awareness, and communication strategies. Use when estimating features, sprint planning, or presenting timelines to stakeholders.

Patterns for building dark-themed financial charts and data visualizations. Covers chart theming, color scales for gains/losses, and real-time data display. Use when building trading dashboards or financial analytics. Triggers on chart theme, data visualization, financial chart, dark theme, gains losses, trading UI.

WHAT: Docker containerization expertise - multi-stage builds, image optimization, security hardening, Docker Compose orchestration, and production deployment patterns. WHEN: User needs Dockerfile optimization, container issues, image size problems, security hardening, networking configuration, Docker Compose setup, or production container deployment. KEYWORDS: docker, dockerfile, container, image,

Meta-skill for orchestrating end-to-end feature development from persona research through deployed, tested code — coordinating skills, commands, and agents across every stage. Use when building a new feature end-to-end, coordinating frontend + backend work, or needing a structured approach from research to production.

Structured logging, distributed tracing, and metrics collection patterns for building observable systems. Use when implementing logging infrastructure, setting up distributed tracing with OpenTelemetry, designing metrics collection (RED/USE methods), configuring alerting and dashboards, or reviewing observability practices. Covers structured JSON logging, context propagation, trace sampling, Prome

Master advanced prompt engineering techniques to maximize LLM performance, reliability, and controllability in production. Use when optimizing prompts, improving LLM outputs, designing production prompt templates, or building AI-powered features.

Unit, integration, and E2E testing patterns with framework-specific guidance. Use when asked to "write tests", "add test coverage", "testing strategy", "test this function", "create test suite", "fix flaky tests", or "improve test quality".

CSS implementation patterns for layout, typography, color, spacing, and responsive design. Complements ui-design (fundamentals) with code-focused examples.

A curated collection of 115 skills, 16 agents, and 48 commands for Claude Code and Cursor.