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## Why Allow operators to install wrapper binaries and override the relay entrypoint without maintaining a duplicated Deployment outside the OSS chart. `extraManifests` can create independent resources but cannot extend the chart-managed relay Pod. ## What - Add opt-in init-container, volume, volume-mount, command, and args extension points - Preserve image defaults when extensions are empty and compose generic init containers with the MinIO readiness gate - Document the distinction from `extraManifests`, add schema coverage, and release chart 0.1.7 ## Risk Assessment Low — all new values are opt-in, and default rendered manifests are unchanged apart from version-derived metadata. Merge publishes a new chart version without modifying existing installations. ## References - [OpenTelemetry Collector Pod extensions](https://github.com/open-telemetry/opentelemetry-helm-charts/blob/main/charts/opentelemetry-collector/templates/_pod.tpl) alongside [extraManifests](https://github.com/open-telemetry/opentelemetry-helm-charts/blob/main/charts/opentelemetry-collector/templates/extraManifests.yaml) - [Argo CD extraObjects](https://github.com/argoproj/argo-helm/blob/main/charts/argo-cd/templates/extra-manifests.yaml) alongside component-scoped Pod extension hooks - `helm unittest` 0.8.2: 43/43 tests passed - Helm lint, schema validation, fixture renders, and chart packaging passed - Oracle review found no functional issues; its literal no-`tpl` regression test recommendation is included Generated with Amp --------- Signed-off-by: David Grochowski <dgrochowski@squareup.com> Co-authored-by: Amp <amp@ampcode.com>