No-Intro 'GoldenEye 007 (U) [!].z64' placed in data/ and verified
byte-identical (MD5 70c52588...) to the dev ROM copies
(data/ge007.ntsc-final.z64, baserom.u.z64). Header magic/title/country
check out; embedded CRCs DCBC50D1/09FD1AA3 re-computed and matched via
tools/n64cksum.c's CIC-6102 routine.
Adds tools_pc/romverify.c: one-shot integrity check (size, GE header
magic at 0x00, title, country byte, CRC1/CRC2) so any future ROM swap
is detectable in seconds. Fingerprint + provenance recorded in
docs/HANDOFF.md; gitignore the built romverify.exe.
