{"L1_core": {"type": "physical_wellness", "domain": "personal_development", "category": "vision", "subcategory": "health"}, "L2_attributes": {"areas": ["nutrition", "exercise", "rest", "prevention"], "habits": ["balanced_diet", "regular_workout", "quality_sleep", "stress_management"], "traits": ["disciplined", "consistent", "mindful"]}, "L3_milestones": {"early": ["establish_routine", "eliminate_bad_habits", "basic_fitness"], "growth": ["optimal_weight", "sustained_energy", "preventive_care"], "mature": ["peak_performance", "active_longevity", "holistic_wellness"]}}