id	name	claim	current_support	failure_test
H1	Relational Legibility Hypothesis	Person/relationship states are made explicitly decodable	medium	Needs cross-cultural explicitness/granularity comparison
H2	Relational Node Repair Hypothesis	Disrupted relationship networks can be repaired through carrier/edge replacement	medium-high	Strong Japanese institutional evidence; not unique to Japan
H3	Taboo-Agency Amplification	Constraint can increase narrative salience of voluntary choice	low-medium	Must not be inferred from consanguineous marriage rates
H4	Situation Parsing Hypothesis	Implicit social states are parsed before action selection	medium	Kuuki research supports components; cross-cultural uniqueness unproven
H5	Social Legibility and Repair Ecology	Character, role, situation, and repair form a coupled ecology	exploratory	Requires evidence of cross-domain coupling, not just parallel phenomena