Entry S198: probe pair 404/409 client==log, control duong 3 hit, discriminator
thu-tu-2-dong-dao; ha co bay Serilog-500-gia xuong DA VA. Baseline nv.test
CHET tren prod (0 row Users, DemoSeed:Disabled) -> Stage-4 bo nhanh bearer
nv.test toi khi owner cap tai khoan non-admin that. Lead verify roi accept
(B3) — residual write cua sub, noi dung khop evidence byte-exact.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>