Features in this release:
- Auto-redact secrets (API keys, tokens, passwords)
- Content validation & type inference
- Tag suggestions based on content patterns
- Duplicate detection (≥85% warning)
- Explicit typed links (memory_link/memory_unlink)
- Edge types: references, implements, supersedes, extends, contradicts
- Cluster detection (memory_clusters)
- Bug fix for NoneType in metadata.get()