- tools/selfhost/selfhost_build.sh: support --exe <out>, using LLVM harness (ny-llvmc) - Add selfhost EXE canary (opt-in): selfhost_build_exe_return.sh - Keep Stage‑B JSON emit for verification; EXE path currently parses original Hako source (80/20)
- tools/selfhost/selfhost_build.sh: support --exe <out>, using LLVM harness (ny-llvmc) - Add selfhost EXE canary (opt-in): selfhost_build_exe_return.sh - Keep Stage‑B JSON emit for verification; EXE path currently parses original Hako source (80/20)