docs: reconcile docs/comments with post-upgrade cluster state

Text-only cleanup after the upgrade campaign. Updates stale version
strings, prose, and comments to the verified current facts; no
Kubernetes behavior or version pins changed except the kubectl
toolchain bump (below).

Verified facts applied: k3s v1.36.4+k3s1, Debian 13 trixie,
Cilium 1.20.1 / Gateway API v1.6.1, Longhorn 1.12.1, node RAM 24 GiB,
dedicated virtio2 SSD etcd disk per node, Velero chart 12.x / v1.18,
Grafana 13.2.0.

- Version strings across infra/ and platform/ READMEs + comments
- kubectl toolchain 1.31.4 -> 1.36.4 (devcontainer/ci/conformance
  versions.env; 1.31 vs a 1.36 cluster exceeded the +-1 skew)
- Retired-single-apps-Kustomization refs -> apps-wave-0/1/2 + apps-vms
  with per-wave SOPS decryption (flux/clusters docs + bootstrap.sh)
- COMPLETED/historical banners on the three executed plan docs
- Resolved TODO(WS-SEC) markers -> Renovate-maintained ranges
- Appended dated DECISIONS-LOG entry (2026-08-30) superseding the
  2026-08-26 LIVE STATE line

Left as revalidation items (not blind-edited): external-snapshotter
v8.2.0 vs 1.36, Cilium ext_authz/forward-auth relevance under 1.20.1,
conformance ImageVolume feature-gate assertions under 1.36.

Co-Authored-By: Claude Opus 4.8 <[email protected]>
This commit is contained in:
jakman85andClaude Opus 4.8 committed 2026-08-30 15:13:12 -05:00
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@@ -20,7 +20,7 @@ Proxmox LAN and are reached across a pfSense NAT:
| | |
|---|---|
| Nodes | `k3s-dev-1/2/3` at `192.168.1.50/.51/.52` — 6 vCPU, 16 GiB, Debian 12, k3s v1.31.5 |
| Nodes | `k3s-dev-1/2/3` at `192.168.1.50/.51/.52` — 6 vCPU, 24 GiB, Debian 13, k3s v1.36.4 |
| kube-API | kube-vip VIP `192.168.1.49:6443`, reached from the workstation via NAT `192.168.2.50:6443` |
| Node SSH | pfSense NAT `192.168.2.102:2250/2251/2252` → node `:22` (Ansible only) |
| Ingress VIP | `192.168.1.53` (Cilium L2, shared Gateway); `.53–.60` reserved for LB VIPs |