Class Code Focus Sample Factors
Alignment 1.x Query and intent relevance query_token_match, intent_match, locality_signal
Substance 2.x Facts, entities, and propositions named_entities, numeric_quantification, comparative_proposition
Architecture 3.x Structure, position, and layout lead_positioning, list_format, delimiter_density
Style 4.x Tone, register, and voice register_tier, stance_strength, voice_perspective
Framing 5.x Content angle and narrative mode comparative_frame, how_to_frame, listicle_frame
Proof 6.x Authority, credentials, and evidence expert_endorsement, institutional_citation, statistical_backing
Other 7 Uncategorized edge cases Top-level escape when no class fits

The system indexes these mechanisms using positional RFID codes, allowing the Custodian engine to mint property-scoped factors that remain pending approval until human review.