Use when Java source or Java-owned Maven/Gradle configuration must be implemented, migrated, or refactored across Spring services, HTTP/security boundaries, persistence, transactions, messaging, scheduling, caches, tests, or configuration; owns source edits and validation, not non-Java JVM work, aud
Use when Java source or Java-owned Maven/Gradle configuration must be implemented, migrated, or refactored across Spring services, HTTP/security boundaries, persistence, transactions, messaging, scheduling, caches, tests, or configuration; owns source edits and validation, not non-Java JVM work, audit-only, fixed-basis review, or Git delivery.