- DoD met: S1/S2 determinism (const/compare/threeblock-collect), PRIMARY hv1 inline no-fallback, S3 (llvmlite+kernel) reps green - Harness: v1→llvmlite direct, EXE links to libnyash_kernel.a - Python LLVM builder fixes: cmp normalization, ret PHI synthesis, mir_call flat shape - Using/alias polish (prod): modules-first; missing aliases added; duplicate using cleaned - Docs: phase-21.0 COMPLETE; CurrentTask closed; release notes added