Burdick's Crag Mass v12: Lambda Drive Framework, Substrate Drift Test (v∝∇λ), Three-Layer Harmonic Flight Architecture, 2032 Saturn Mission Navigator, and Eight-Test Validation Chain Across 175 Galaxies, 8 Planets, 13 Stars, 5 Binary Systems, 1 Binary Black Hole Merger, and 1 Lambda-Driven Transit | Synapse