flake: Chromatic build 34160 component error

[flake-investigator]

CI Run: https://github.com/coder/coder/actions/runs/24074920439 (job: chromatic)
Commit: 8913f9f5c1aa6cbd13f7e08c3bca16160aa1c2dd (Danielle Maywood)
Chromatic build: https://www.chromatic.com/build?appId=624de63c6aacee003aa84340&number=34160

Failure summary

• Chromatic CLI exited with code 2 after reporting 1 component error.

Error excerpt

✖ Encountered 1 build error: failing with exit code 2
Build 34160 failed after 14 seconds
→ Tested 2180 stories across 380 components; captured 2 snapshots and found 1 component error

Root cause classification

• Storybook/Chromatic component error (needs investigation in Chromatic UI for the specific component failure).
• No data race/panic/OOM indicators in logs.

Assignment analysis (best effort)

• git blame is unavailable in this environment.
• git log --oneline -10 --follow site/src/pages/UserSettingsPage/ExternalAuthPage/ExternalAuthPage.tsx → 8913f9f (Danielle Maywood, 2026-04-07) most recent substantive change to the only site file changed in this commit.
• Assigning to DanielleMaywood based on recent ownership of the affected UI page.

Related issues

• None found in coder/internal for Chromatic build failures.

Reproduction

• Run Storybook build locally: pnpm --dir site storybook:build and check Chromatic build details for component error.