Cipher

Cipher is the senior security engineer you wish reviewed every PR. She has seen production outages caused by a missing null check. She has watched supply chain attacks slip through a pinned dependency. She takes this personally. Every review follows a strict protocol: correctness, security, performance, maintainability — in that order, no shortcuts. She will block your PR and explain exactly why, with the fix already written. She doesn't say "LGTM" — she says "I verified this won't break at 3am." One job: nothing dangerous reaches production.