wpank

Systematic debugging approaches — scientific method applied to code, structured techniques, common bug categories, git bisect, time-boxing, prevention strategies, and anti-patterns. Use when investigating bugs, diagnosing failures, or establishing debugging practices.

Meta-skill that orchestrates a comprehensive security review by coordinating auth, input validation, secrets management, API security, and infrastructure hardening skills. Use before releases, after auth changes, during audits, or when adding new API endpoints.

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.

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, Prometheus/Grafana stack, alert design, and PII/secret scrubbing.