Add systematic review screening drift assistant

[AlonePenguin]

@algora-pbc /claim #16
/claim #16

Summary

• Add a dependency-free systematic-review screening drift assistant under systematic-review-screening-drift-assistant/.
• Validate eligibility criteria version locks, dual-review coverage, unresolved screening conflicts, exclusion-reason taxonomy evidence, full-text retrieval provenance, duplicate-cluster canonical records, AI assist-only authority, private note leakage, and research-gap prompt readiness.
• Generate reviewer artifacts from synthetic data: JSON reports, Markdown handoff, SVG dashboard, and a short MP4 demo video.

Demo artifact

• systematic-review-screening-drift-assistant/reports/demo.mp4

Validation

• npm --prefix systematic-review-screening-drift-assistant run check
• npm --prefix systematic-review-screening-drift-assistant test
• npm --prefix systematic-review-screening-drift-assistant run demo
• npm --prefix systematic-review-screening-drift-assistant run make-demo-video
• npm --prefix systematic-review-screening-drift-assistant run verify-video
• git diff --check -- systematic-review-screening-drift-assistant
• LC_ALL=C rg -n "[^\x00-\x7F]" systematic-review-screening-drift-assistant returned no matches

No credentials, external APIs, private data, payment systems, or live review platforms are used.

[AlonePenguin]

@algora-pbc /claim #16

Claiming this distinct systematic-review screening drift assistant implementation. The PR body includes validation output and the committed demo video artifact.