§426 — main's switch functions were never a codegen wall: one .rodata carve had been
missing since Phase 7, so a drafted switch double-emitted its jump table (+28/+52/+76/+84
image growth, 238 symbols shifted, first mover jtbl_80072A4C every time). Includes the
derived name-address overlay that names a layout shift with no reference build, the span
table, and why spans B-D need src/800.c split at the original TU boundaries the spans reveal.
§427 — a hash is a correctness oracle with zero diagnostic content; preserve the red
artifact before anything rebuilds over it, attribute per byte, and negative-control the
localizer in both directions.
playbook 1c — which main jtbl functions are drawable (R45), and the gate note: main is not
in the parallel lane, read the BODY/PLUMBING/MIXED verdict before recording a main reject.
Drew T
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