Implement secure session management systems with JWT tokens, session storage, token refresh, logout handling, and CSRF protection. Use when managing user authentication state, handling token...

Implement comprehensive health check endpoints for liveness, readiness, and dependency monitoring. Use when deploying to Kubernetes, implementing load balancer health checks, or monitoring service...

Implement real-time bidirectional communication with Socket.io and ws library for chat, notifications, and live dashboards

Use when same data is fetched repeatedly. Use when database queries are slow. Use when implementing caching without invalidation strategy.

DDEV local development expertise. Use when working with DDEV projects, containers, configuration, or troubleshooting DDEV environments.

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Create system architecture diagrams using Mermaid, PlantUML, C4 model, flowcharts, and sequence diagrams. Use when documenting architecture, system design, data flows, or technical workflows.

Auto-activates during requirements analysis to evaluate technical stack

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Expert in complex state management with Finite State Machines, XState patterns, state persistence, race condition handling, and distributed state synchronization. Use for managing complex...

Implement real-time bidirectional communication with WebSockets including connection management, message routing, and scaling. Use when building real-time features, chat systems, live...

Implement API rate limiting strategies using token bucket, sliding window, and fixed window algorithms. Use when protecting APIs from abuse, managing traffic, or implementing tiered rate limits.

Generate or update aramb.toml configuration file by analyzing docker-compose files or codebase. Use this skill when you need to create project metadata, service configurations, or environment...

Optimize SQL and NoSQL databases with schema design, query performance tuning, and indexing strategies.

Feature flag patterns for controlled rollouts, A/B testing, kill switches, and runtime configuration. Use when implementing feature toggles, feature flags, gradual rollouts, canary releases,...

Implement background job processing systems with task queues, workers, scheduling, and retry mechanisms. Use when handling long-running tasks, sending emails, generating reports, and processing...

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Implement idempotency keys and handling to ensure operations can be safely retried without duplicate effects. Use when building payment systems, APIs with retries, or distributed transactions.

Optimize Node.js application performance with caching, clustering, profiling, and monitoring techniques

Best practices for TYPO3 local development with DDEV, including configuration, database management, multi-version testing, and common workflows for v13/v14.