nx_print_sim_spaghetti_test.nx

nx_print_sim_spaghetti_test.nx -- verify the simulator predicts spaghetti / halfway-failure progenitors with real physics: ENVELOPE_VIOLATION move past machine build volume BED_CRASH Z below 0 (nozzle into bed) TIPOVER_RISK tall-narrow geometry vs machine accel Operator directive 2026-05-20: "i want especially spaghetti or where it prints halfway and fails etc to be predicted and to get the loop really really hammered out" Each predictor: NO heuristic threshold; the substrate's existing machine + material fields supply the physical limit. expect_exit: 0 license_tier: ORIGINAL