D02 context list (Cycle 5)
context_id | distinguishing_features | expected_difficulty | dataset_slice
D02_CTX_01 | formal pilot diagrams | low | datasets/cycle3_inputs/d02_formal_a
D02_CTX_02 | empirical structured diagrams | medium | datasets/cycle3_inputs/d02_empirical_b
D02_CTX_03 | stress diagrams with perturbation | high | datasets/cycle3_inputs/d02_stress_c