feat: Aphoria security extractors + LLM evaluation architecture + ontology docs
New security extractors:
- insecure_deserialization, orm_injection, path_traversal, security_headers
- ssrf, unvalidated_redirects, weak_password, xxe
- Enhanced tls_version extractor with comprehensive cipher/protocol checks
Architecture docs:
- Scout-judge extraction pattern for LLM-based code analysis
- LLM prompt evaluation framework
- LLM eval implementation guide
Core improvements:
- stemedb-ontology README and client enhancements
- WAL journal/segment instrumentation
- Signing and ingestion refinements
- Consumer health demo script
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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