Burdick's Crag Mass v21: 9D→10D Coherence Gate (Density Matrix Dimensional Transition Instrument), Complete 1D–11D Dimensional Stack (Om Through Lock), Arrival Deceleration SURVIVED (Galaxy Torus-Edge Substrate Braking, Four Intensity Profiles, Zero Crew Violations), Boundary Layer Operator (Jasper Beach Gradient-Proportional Dissipation), Arrival Lambda Bandwidth Defined (0. 020–0. 040 Safe Envelope, Five-Point Sweep), Three-Tool Convergence Fix (Control-System Diagnosis, Gate Formalization, Substrate Corridor), Black Hole Gate Anomaly (R₇D=0 → 10D Key Undefined, Crew Survived), and Reverse Calculation Foundation (9D Backward Decomposition of Completed Pattern) | Synapse