{"L1_core": {"domain": "construction", "category": "architecture", "entity_type": "discipline"}, "L5_metadata": {"updated": "2026-01-02", "version": "2.0"}, "L2_construction": {"standards": {"energy": ["CTE DB-HE", "LEED", "BREEAM", "Passivhaus"], "building": ["CTE", "Eurocodes", "IBC"], "accessibility": ["CTE DB-SUA", "ADA"]}, "documentation": ["reports", "drawings", "measurements", "specifications", "budget"], "project_phases": ["program", "preliminary", "basic", "execution", "supervision"]}}