Hugo Nijhuis
f62964bf3b
Add support for optional namespace prefixes on JetStreamEventStore streams to enable complete namespace isolation at the storage level: - Add Namespace field to JetStreamConfig - Add NewJetStreamEventStoreWithNamespace convenience constructor - Prefix stream names with sanitized namespace when configured - Add GetNamespace and GetStreamName accessor methods - Add unit tests for namespace functionality - Document namespace-scoped stores in CLAUDE.md The namespace prefix is sanitized (spaces, dots, wildcards converted to underscores) and prepended to the stream name, ensuring events from one namespace cannot be read from another namespace's store while maintaining full backward compatibility for non-namespaced stores. Closes #19 Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>