fix(user-metrics): paginate response to prevent OOM - #431
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…ses (#416) Add bounded pagination for /api/user-metrics with a default and maximum page size of 500 rows. Historical DB reads now page distinct users before aggregating per-day records, while preserving array responses for existing callers and exposing pagination metadata headers. Validation: npm test; npm run build. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Copilot-Session: bbf27d66-9aca-451b-85ee-3a32e0775d52
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Copilot-Session: bbf27d66-9aca-451b-85ee-3a32e0775d52
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Fixes #416
Summary
/api/user-metrics(page,pageSize/per_page/limit) with a default and hard max of 500 rows.Validation
npm testnpm run buildnpm run lint -- --max-warnings=0attempted; blocked by existing dependency resolution error:brace-expansiondoes not provide exportexpand.