Implement production-grade responsive design: breakpoint strategy, fluid typography with clamp(), container queries, responsive images with srcset/sizes, and cross-device testing methodology. Use when user asks to "make responsive", "implement responsive design", or "fix layout on mobile".

Implement production-grade responsive design: breakpoint strategy, fluid typography with clamp(), container queries, responsive images with srcset/sizes, and cross-device testing methodology. Use when user asks to "make responsive", "implement responsive design", or "fix layout on mobile".

Designs resilience patterns including circuit breakers, retries, bulkheads, timeouts, and chaos engineering practices. Trigger: "resilience design", "circuit breaker", "fault tolerance", "chaos engineering", "bulkhead pattern", "retry strategy".

Designs resilience patterns including circuit breakers, retries, bulkheads, timeouts, and chaos engineering practices. Trigger: "resilience design", "circuit breaker", "fault tolerance", "chaos engineering", "bulkhead pattern", "retry strategy".

Automated tech stack, framework, and entry point detection from repository structure. Trigger: "scan repo", "detect stack", "what technologies", "analyze repository".

Automated tech stack, framework, and entry point detection from repository structure. Trigger: "scan repo", "detect stack", "what technologies", "analyze repository".

Plans release trains, semantic versioning strategy, changelog generation, and release coordination. Trigger: "release plan", "versioning strategy", "changelog", "release train", "shipping schedule".

Plans release trains, semantic versioning strategy, changelog generation, and release coordination. Trigger: "release plan", "versioning strategy", "changelog", "release train", "shipping schedule".

Design and implement real-time data synchronization: WebSocket vs SSE vs long polling decision, Supabase Realtime, Firebase RTDB, optimistic updates, conflict resolution, and connection resilience patterns.

Design and implement real-time data synchronization: WebSocket vs SSE vs long polling decision, Supabase Realtime, Firebase RTDB, optimistic updates, conflict resolution, and connection resilience patterns.

Analyze and optimize database queries: EXPLAIN ANALYZE plan reading, index strategies (B-tree, GIN, GiST, partial, composite), N+1 detection in ORM code, connection pooling, and query plan regression testing.

Analyze and optimize database queries: EXPLAIN ANALYZE plan reading, index strategies (B-tree, GIN, GiST, partial, composite), N+1 detection in ORM code, connection pooling, and query plan regression testing.

Test strategy architecture, automation infrastructure, quality gates, quality metrics dashboards, and shift-left quality practices. Trigger: "quality engineering", "quality gates", "quality metrics", "automation architecture", "shift-left quality".

Test strategy architecture, automation infrastructure, quality gates, quality metrics dashboards, and shift-left quality practices. Trigger: "quality engineering", "quality gates", "quality metrics", "automation architecture", "shift-left quality".

Design and implement Progressive Web App architecture: service worker caching strategies, offline patterns, Web Push notifications, install prompt UX, background sync, and Workbox configuration for production.

Design and implement Progressive Web App architecture: service worker caching strategies, offline patterns, Web Push notifications, install prompt UX, background sync, and Workbox configuration for production.

N+1 query detection, bottleneck identification, and resource usage analysis. Trigger: "profile performance", "find bottlenecks", "N+1 queries", "resource usage".

N+1 query detection, bottleneck identification, and resource usage analysis. Trigger: "profile performance", "find bottlenecks", "N+1 queries", "resource usage".

Load testing design, capacity planning, bottleneck analysis, caching strategies, and SLA engineering. Trigger: "performance engineering", "load testing", "capacity planning", "bottleneck", "caching", "SLA", "latency".

Load testing design, capacity planning, bottleneck analysis, caching strategies, and SLA engineering. Trigger: "performance engineering", "load testing", "capacity planning", "bottleneck", "caching", "SLA", "latency".