xinqilin

Use when user needs technical design advice, architecture planning, or implementation strategy for Spring Boot projects. Produces actionable Todo List.

Clean Architecture design guide for Spring Boot. Use when reviewing code architecture, designing solutions, discussing layer separation, dependency rules, or project structure. Applies Uncle Bob's Clean Architecture principles.

MySQL performance optimization guide for Spring Boot/JPA. Use when reviewing database code, discussing index design, query optimization, N+1 problems, JPA/Hibernate tuning, or analyzing EXPLAIN plans. Complements /optimize-query command.

Use PROACTIVELY when reviewing unit test code quality, discussing test design, or evaluating test coverage for Java/Spring Boot projects.

Use when reviewing PR changes, comparing branches, or analyzing GitHub pull requests. Supports both gh CLI (PR number) and git diff (branch comparison) modes.

Use PROACTIVELY when reviewing Java/Spring Boot code quality, Clean Code compliance, or over-design concerns.

Java best practices guide based on Effective Java. Use when reviewing Java code, discussing design patterns, object creation, equals/hashCode, Optional, Stream API, exception handling, or concurrency. Applies Joshua Bloch's principles.

Use when analyzing slow queries, optimizing SQL/JPA performance, reviewing EXPLAIN plans, or troubleshooting database bottlenecks.