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ci / JVM build + tests (push) Failing after 1m10s
- Introduced a new `:journal-ksqlite` module implementing `:journal-api` with Ksqlite backend. - Added a minimal schema (message table + 1 index) for append-only audit logs, eliminating modifications and ensuring immutable storage. - Provides `KsqliteJournalStore` for appending, listing, and clearing messages with JSON-encoded payloads. - Autonomous schema migration (`Schema.migrate`) and in-memory tests validate functionality. - Partial duplication of `:storage-ksqlite/KsqliteMessageStore`; consumers will transition gradually.