fix(monitor-ci): add time-based floor to circuit breaker

[nartc]

Summary

• circuit breaker now requires both 5+ no-progress polls AND 20+ minutes of stagnation
• track no-progress streak start timestamp (noProgressSince) alongside count
• prevent premature circuit breaker trips when polls are fast

🤖 Generated with Claude Code

[nx-cloud-snapshot]

View your CI Pipeline Execution ↗ for commit 649df9c

Command	Status	Duration	Result
nx run-many -t lint test build typecheck e2e-ci	✅ Succeeded	3s	View ↗
nx-cloud record -- npx nx format:check --base=r...	✅ Succeeded	1s	View ↗
nx sync-artifacts-verification	✅ Succeeded	12s	View ↗
nx validate-cursor-plugin	✅ Succeeded	2m 10s	View ↗
nx-cloud record -- claude plugin validate .clau...	✅ Succeeded	<1s	View ↗
nx-cloud record -- claude plugin validate .clau...	✅ Succeeded	<1s	View ↗

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☁️ Nx Cloud last updated this comment at 2026-03-20 20:04:40 UTC

[nx-cloud-snapshot]

Nx Cloud is proposing a fix for your failed CI:

We synced the generated artifacts to fix the sync-artifacts-verification failure caused by the PR's circuit breaker changes not being propagated to all output files. Running npx nx sync-artifacts regenerated the 10 out-of-sync files across generated/.agents/, generated/.gemini/, generated/.github/, and generated/.opencode/, bringing them in line with the updated source.

Tip

✅ We verified this fix by re-running @org/source:sync-artifacts-verification.

Warning

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npx nx-cloud apply-locally KGRE-mkqK

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