fix(ci): initialize cloud e2e command errors

[saltbo]

Summary

• initialize the cloud E2E command error type before top-level runner execution
• preserve strict Quick Tunnel-only retry classification
• add regression coverage for the imported error type

Verification

• pnpm exec vitest run --project unit scripts/cloud-e2e-resilience.test.mjs
• node --check for all three runner modules
• pnpm typecheck
• pnpm lint
• pre-commit quality gates

[cloudflare-workers-and-pages]

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Status	Name	Latest Commit	Preview URL	Updated (UTC)
✅ Deployment successful! View logs	zpan	21305cc	Commit Preview URL Branch Preview URL	Jul 31 2026, 03:29 PM

[saltbo]

Preview verification (4a9588e5):

• Exact version: d25b0eda-a0ab-46ef-9f04-e180c13b438e
• Exact URL: https://d25b0eda-zpan.saltbo.workers.dev
• /api/health: 200
• Runtime application diff: none (CI runner modules only)
• Focused regression: 5/5 passed

Verdict: PASS.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 93.49%. Comparing base (1f3e9b4) to head (21305cc).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #546   +/-   ##
=======================================
  Coverage   93.49%   93.49%           
=======================================
  Files         282      282           
  Lines       15747    15755    +8     
  Branches     4528     4529    +1     
=======================================
+ Hits        14722    14730    +8     
  Misses       1025     1025           

Flag	Coverage Δ
integration	84.98% <ø> (ø)
unit	53.06% <100.00%> (+0.02%)	⬆️

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[saltbo]

Latest-head preview follow-up (21305cc6):

• Exact version: b50d8d43-208e-4af0-9967-36d57f59a229
• Exact URL: https://b50d8d43-zpan.saltbo.workers.dev
• /api/health: 200
• Runtime application diff: none (CI/E2E routing only)
• Local verification: 7/7 resilience tests, 5350/5350 full tests, typecheck/lint/Playwright discovery all pass

Verdict: PASS.