feat(scorers): artifact scorer suite — bibliography, governance receipt, ARCANA essay#8
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feat(scorers): artifact scorer suite — bibliography, governance receipt, ARCANA essay#8hummbl-dev wants to merge 2 commits intomainfrom
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Only registered runner (windows-desktop-1) is offline. Arbiter is pure Python — ubuntu-latest works fine. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Adds the Arbiter knowledge artifact scoring infrastructure: - ArtifactScorer (ABC) + ArtifactScorerRegistry + _score_from_findings() in artifact_scorer.py — penalty-based weighted scoring, CRITICAL/HIGH/MEDIUM/LOW severity grades, A–F letter grade scale - BibliographyScorer (5 dims): DOI coverage, tier distribution, tag density, completeness, source density - GovernanceReceiptScorer (5 dims): completeness, chain_of_custody, timestamp_validity, evidence_ratio, schema_compliance — EU AI Act Article 12 + NIST AI RMF GOVERN 1.2 alignment - ArcanaEssayScorer (5 dims): empirical_grounding, citation_density, structural_integrity, source_diversity, on_topic_ratio — adversarial gate blocks echo-chamber synthesis (grade F) from entering CLP ledger; rules ARC101–502 including ARC304 (zero-citation block) - All three scorers registered in DEFAULT_REGISTRY via scorers/__init__.py - 51 tests green (35 existing + 16 new for ArcanaEssayScorer) Closes ARCANA → Arbiter gate → CLP ingest flywheel. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Summary
Adds the full Arbiter artifact scorer suite — a penalty-based, multi-dimensional quality scoring system for knowledge artifacts before CLP ingest.
artifact_scorer.py— base framework:ArtifactScorer(ABC),ArtifactScorerRegistry,DEFAULT_REGISTRY,_score_from_findings()penalty engine (CRITICAL=-25, HIGH=-15, MEDIUM=-7, LOW=-3), A–F grade scaleBibliographyScorer— 5 dimensions: DOI coverage, tier distribution, tag density, completeness, source densityGovernanceReceiptScorer— 5 dimensions: completeness, chain_of_custody, timestamp_validity, evidence_ratio, schema_compliance; EU AI Act Article 12 + NIST AI RMF GOVERN 1.2 alignedArcanaEssayScorer— adversarial gate for ARCANA synthesis essays; 5 dimensions: empirical_grounding (0.30), citation_density (0.25), structural_integrity (0.20), source_diversity (0.15), on_topic_ratio (0.10); rules ARC101–502; blocks grade F from CLP ingestscorers/__init__.py— registers all 3 scorers intoDEFAULT_REGISTRYTest plan
test_artifact_scorer.py— 51 tests covering all 3 scorers + base framework🤖 Generated with Claude Code