{"L1_core": {"type": "friendship", "domain": "personal_development", "category": "vision", "subcategory": "relational"}, "L2_attributes": {"skills": ["active_listening", "emotional_support", "conflict_resolution", "celebration"], "traits": ["loyal", "reliable", "empathetic", "honest"], "qualities": ["trustworthy", "consistent", "generous", "authentic"]}, "L3_milestones": {"early": ["connection_skills", "vulnerability_practice", "boundary_setting"], "growth": ["deep_friendships", "crisis_support", "long_term_bonds"], "mature": ["trusted_confidant", "friendship_legacy", "community_of_friends"]}}