## What this PR does
Adds Harbor v2.14.2 as a managed tenant-level container registry service
in the PaaS bundle.
**Architecture:**
- Wrapper chart (`apps/harbor`) — HelmRelease, Ingress,
WorkloadMonitors, BucketClaim, dashboard RBAC
- Vendored upstream chart (`system/harbor`) from helm.goharbor.io
v1.18.2
- System chart (`system/harbor`) provisions PostgreSQL via CloudNativePG
and Redis via redis-operator
- ApplicationDefinition (`system/harbor-rd`) for dynamic `Harbor` CRD
registration
- PackageSource and paas.yaml bundle entry for platform integration
**Key design decisions:**
- Database and Redis provisioned via CPNG and redis-operator (not
internal Helm-based instances) for reliable day-2 operations
- Registry image storage uses S3 via COSI BucketClaim/BucketAccess from
namespace SeaweedFS
- Trivy vulnerability scanner cache uses PVC (S3 not supported by
vendored chart)
- Token CA key/cert persisted across upgrades via Secret lookup
- Per-component resource configuration (core, registry, jobservice,
trivy)
- Ingress with TLS via cert-manager, cloudflare issuer type handling,
proxy timeouts for large image pushes
- Auto-generated admin credentials persisted across upgrades
**E2E test:** Creates Harbor instance, verifies HelmRelease readiness,
deployment availability, credentials secret, service port, then cleans
up.
### Release note
```release-note
[harbor] Add managed Harbor container registry as a tenant-level service
```
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **New Features**
* Added Harbor container registry deployment with integrated Kubernetes
support, including database and cache layers.
* Enabled metrics monitoring via Prometheus integration.
* Configured dashboard management interface for Harbor administration.
* **Tests**
* Added end-to-end testing for Harbor deployment and verification.
* **Chores**
* Integrated Harbor into the platform's application package bundle.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
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