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docs(roadmap): record measured performance and integration receipts

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cesnimda
2026-11-10 17:45:35 +01:00
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docs/direct-roadmap/PERF_BASELINE.md
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@@ -18,7 +18,9 @@ No source maps were emitted. The largest exported JS chunk is 550,002 raw bytes
Cold loopback Chromium 151 at 1366×900 used fresh contexts, blocked external fonts and fixture responses with 15 Jobs. Observed JavaScript resources were 18 files / 2,005,036 raw bytes / 591,192 estimated gzip bytes for both `/` and `/login`, and 20 / 2,033,779 / 601,065 for `/jobs`. This includes dynamic client requests. Compression estimates still exclude headers and deployed encoding. There was one initial paged Jobs GET and one duplicate on EN→NB. The published fix `97d06180b7f41f8cd9d93c30b373ff3e8eac67b2` kept one initial GET and reduced the extra GET from one to zero under the same fixture. 34 tests, type-check, scoped lint and export passed. See `docs/i18n/JOBS_LOCALE_READS.md` on `codex/perf-jobs-locale-read`. It is isolated from A3.
The single unthrottled samples do not establish a timing distribution or field vitals. Repeat on the exact A3 candidate with identical cache, network and CPU settings, routes, browser and fixture sizes. Use route request logs to separate shell bytes from lazy chunks. Use the Turbopack analyzer to trace ownership before moving an import and React Profiler to find costly commits. [Next.js bundling](https://nextjs.org/docs/pages/guides/package-bundling) · [React Profiler](https://react.dev/reference/react/Profiler)
The isolated JobTable split `85ebbd9f65cba700ecbeae26126a137caa0e7f08` used three paired cold runs. Landing and Login each fell from 2,005,009 to 1,763,692 raw JS bytes, a reduction of 241,317 bytes or 12.0%. Estimated gzip fell by 71,386 bytes per route. Jobs added three requests and 29,311 raw bytes. Its usable-row medians were 1,014 and 939 ms in this small local sample. These timings establish no repeatable throttled or field gain. 74 tests in six suites plus type-check, scoped lint, build, authenticated Jobs/Trash keyboard and anonymous route guard passed. See `docs/i18n/JOBTABLE_ROUTE_CHUNK.md` on `codex/perf-jobtable-chunk`. This remains isolated from A3.
Repeat on the exact A3 candidate with identical cache, network and CPU settings, routes, browser and fixture sizes. Use route request logs to separate shell bytes from lazy chunks. Use the Turbopack analyzer to trace ownership before moving an import and React Profiler to find costly commits. [Next.js bundling](https://nextjs.org/docs/pages/guides/package-bundling) · [React Profiler](https://react.dev/reference/react/Profiler)
## Backend and database baseline