Skill UI

Registers zero-knowledge SNARK proof verification keys, circuit complexity constraints, and nullifier tracking for double-spending prevention in privacy systems. Provides standardized field schemas, SQL DDL, JSON validation, and best practices for auditable cryptographic verification across distributed applications and smart contracts.

Design and review MyBatis mappers with XML/annotation SQL, result mapping, dynamic SQL safety, transactions, batching, pagination, and query performance for Java/Spring persistence.

This skill covers Quarkus-specific testing features including zero-config containers for databases like PostgreSQL and Kafka. It explains how to use annotations like @QuarkusTest, @QuarkusIntegrationTest, and @InjectMock for unit and integration testing. It also details test resources, profiles, continuous testing, and running tests with Maven. Ideal for developers writing or fixing tests in Quarkus projects.