fix: align performance monitor bundle measurement with CI script (#1050)

[sw-factory-automations]

Closes #1050

What

The Performance Monitor automation was measuring bundle sizes by eyeballing pnpm build console output, which uses raw/uncompressed sizes. The CI bundle check (scripts/check-bundle.mjs) reads route-bundle-stats.json and gzips each chunk individually — a different methodology that produces lower, accurate numbers. This caused the weekly report to flag all 12 pages as over-budget while CI passed on the same commit.

How

Updated .ona/automations/performance-monitor.yaml to:

1. Instruct the agent to run pnpm test:bundle after pnpm build instead of parsing build console output
2. Parse the structured table from pnpm test:bundle stdout (same script CI uses)
3. Explicitly warn against estimating sizes from build console output
4. Updated the report template to match the script's output format (Route, First Load JS (gzip), Budget, Status)

Testing

• pnpm lint — 0 errors
• pnpm typecheck — clean
• pnpm test — 139 files, 1877 tests passed
• No code changes (YAML-only), so no E2E tests needed
• W21 report will use the aligned methodology; sizes will match CI output within 1kB tolerance

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Project	Deployment	Actions	Updated (UTC)
memo	Ready	Preview, Comment	May 12, 2026 0:07am

[sw-factory-automations]

✅ UI verification skipped — no UI files changed (only .ona/automations/performance-monitor.yaml).

[sw-factory-automations]

✅ Post-merge verification passed.

E2E tests (live site):

• public-routes.spec.ts — 18/18 passed (landing page, sign-in/sign-up validation, auth redirects, SEO routes, health API)
• auth.spec.ts — 8/8 passed (sign-in, sign-up, sign-out, auth callback, redirects)
• not-found.spec.ts — 4/4 passed (public and authenticated 404 handling)
• workspace-home.spec.ts — 6/6 passed (new page, filter, sort, navigation, recently visited)

Ad-hoc smoke tests:

• ✅ Landing page — loaded, has title, no errors
• ✅ Sign-in page — email input present
• ✅ Health endpoint — 200, not reporting down
• ✅ Authenticated flow — login succeeded, workspace loaded
• Skipped: /dashboard (not yet built), editor page navigation (no page buttons in test workspace)

No interaction smoke test needed (this is a fix: PR with YAML-only changes).