Integrate K8s Smoke Test into CI (M8.3.x)

[Copilot]

Automates the existing K8s smoke test script in CI to catch deployment issues early without running on every PR.

Changes

New Workflow: .github/workflows/k8s-smoke-test.yml

• Triggers: main pushes (K8s/Docker changes only), nightly at 3:00 AM UTC, manual dispatch
• Creates Kind cluster, builds/loads image, deploys via Kustomize, runs scripts/k8s_smoke_test.sh
• Optional inputs: run_load_test, debug_on_failure
• Captures pod logs/events on failure for debugging
• 20min job timeout, 180s rollout timeout

Documentation: docs/gengine/Deploy_GEngine_To_Kubernetes.md

• Added "CI Smoke Tests" section covering:
  • Trigger conditions and manual invocation
  • Local reproduction with Kind (matching CI settings)
  • Script options and exit codes
  • Troubleshooting failed runs

Example: Manual Trigger

# Via GitHub CLI
gh workflow run k8s-smoke-test.yml \
  -f run_load_test=true \
  -f debug_on_failure=true

Original prompt

"Issue 51 - Integrate K8s Smoke Test into CI (M8.3.x)" to Devops agent

Created from Copilot CLI via the copilot delegate command.

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