Vercel Optimize Run an observability-first Vercel optimization audit. Do not inspect source files until exists and a deterministic gate points to a route, file, or project setting. Core doctrine: read references/doctrine.md if any rule is unclear. - Metrics first. Recommendations start from Vercel production signals, not repo-wide grep. - Deterministic gates. decides what deserves investigation. - Candidate-bound scope. Read only files named by a candidate or a route-local import chain. - Version-aware citations. Use only ; invalid or version-mismatched citations are stripped. - Customer copy…