Per user directive: pushes to main must not trigger any Argo compute
(not even the CPU-heavy test-gate). Changed the sensor's body.ref
filter value from "refs/heads/main" to a never-matching sentinel.
The eventsource still receives GitLab push webhooks; the sensor
evaluates them and rejects every one.
To re-enable: restore the value to "refs/heads/main" and
`kubectl apply -f infra/k8s/argo/events/ci-pipeline-sensor.yaml`.
Manual trigger paths (unchanged):
- ci-pipeline: argo submit --from=wftmpl/ci-pipeline -p commit-sha=<SHA>
- compile-and-deploy: curl -X POST http://workflow-trigger-eventsource-svc.foxhunt:12001/compile-deploy \
-H 'Content-Type: application/json' -d '{"commit_sha": "<SHA>"}'
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