feat(homelab): self-host Plane issue tracker

Author: shepherdjerred

packages/docs/plans/2026-08-07_plane-commercial-issue-tracker.md

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+---
+id: plane-commercial-issue-tracker
+type: plan
+status: in-progress
+board: false
+verification: operator
+disposition: active
+---
+
+# Self-host Plane Commercial as a private issue tracker
+
+## Summary
+
+Deploy the free Plane Commercial tier with the official `plane-enterprise`
+Helm chart, pinned to chart `3.1.0` and app `v3.0.1`. Use Plane for private
+issue tracking only; leave wiki/pages available but unused. Access is through
+the Tailscale Kubernetes ingress at `plane.tailnet-1a49.ts.net`, with no public
+Funnel exposure.
+
+## Implementation
+
+- Pin the vendor chart and app versions and generate the typed Helm values.
+- Add the Plane CDK8s chart with the private ingress and a 1Password-backed
+  `plane-secrets` Kubernetes Secret.
+- Add layered Argo CD applications: one for the local infrastructure chart and
+  one sourcing `plane-enterprise` from `https://helm.plane.so/`.
+- Disable the vendor ingress, AI/PI, runner, local MinIO, and local OpenSearch.
+- Use local Postgres, Redis, and RabbitMQ on `zfs-ssd`.
+- Store attachments in the SeaweedFS S3 bucket `plane-attachments` through the
+  in-cluster S3 endpoint and Plane storage proxy.
+- Add the stateful Plane PVCs to the explicit Velero backup inventory.
+
+## Verification completed
+
+- [x] Generate the vendor Helm types.
+- [x] Synthesize the CDK8s output.
+- [x] Render the vendor chart with the synthesized values.
+- [x] Create the dedicated 1Password item without storing credentials in Git.
+- [x] Validate the 1Password item references against the vault snapshot.
+- [x] Add focused synthesis assertions for the Argo values and private routes.
+
+## Remaining
+
+- [ ] Publish the local `plane` chart and let Argo CD reconcile both
+      applications.
+- [ ] Confirm Argo CD reports Plane synced and healthy.
+- [ ] Exercise native login, workspace/project/issue/cycle/comment workflows,
+      attachment persistence, and tailnet-only access.
+- [ ] Confirm Velero discovers the Plane Postgres, Redis, RabbitMQ, and monitor
+      PVCs.
+
+SMTP, OAuth, and SSO remain deferred until the issue-tracking deployment is
+validated.