v0.3.0

Changelog

• 0f6b8a0 fix: code review — 5 security issues resolved
• b50a5eb feat: v0.3.0 — 8 roadmap features, integration tests, updated docs
• 886842e feat: LLM entity extraction + ClickHouse materialized views
• 02cb9fe feat: dynamic tenant promotion + CDC backpressure monitoring
• 43c423f feat: lineage tracking + hot/cold tier management
• ad0a974 feat: end-to-end schema evolution + expand-contract migrations
• 1c14089 chore: remove private repo CI workarounds
• 66112f1 chore: convert to public repo with MIT license
• 6b30bc4 chore: bump to v0.2.0, add bento dependency
• 9c13f60 refactor: delegate Bento CDC streaming to workflow-plugin-bento
• e981b71 refactor: consolidate registries, HTTP clients, and identifier validation
• f82f42e docs: add real-world use cases with full pipeline examples + gap analysis
• 3e39164 docs: add README with full module/step reference