Debug and troubleshoot Resonate applications using the Java SDK. Use when investigating stuck or never-resuming workflows, duplicated side effects after replay, untyped-handle decode surprises (Integer vs Long), CLI positional-argument arity mismatches, the detached by-name-only constraint, Java 21 / virtual-thread requirements, rejected-promise error handling, or r.stop() silently killing a live worker. Verified against the resonatehq-examples/*-java repos and develop/java.mdx (docs PR