Add code-server package manifests

AGENTS.md

@@ -11,6 +11,7 @@ This file is the execution guide for `ocdp-workload-manifests`.
   CRs created through `ocdp-server`.
 - Keep reusable Kubernetes resources under `apps/*/base`.
 - Keep optional Kustomize components under `apps/*/components`.
+- Keep Helm post-render presets under `packages/*/presets/*`.
 - Keep per-deployment runtime values out of this repository. They belong in
   temporary source files or runtime specs generated by `ocdp-server`.
 - Use `tests/kustomize/*` only for generic validation overlays, never for real
@@ -21,10 +22,10 @@ This file is the execution guide for `ocdp-workload-manifests`.
 ## Runtime Rules
 
 - Do not add a global catalog index unless the server explicitly needs one later.
-- `ocdp-server` WorkloadTemplate records should reference apps with
-  `repositoryUrl`, `ref`, and `path`.
-- Runtime source generation may create Secret, ConfigMap, and patch files, then
-  run Kustomize.
+- `ocdp-server` WorkloadTemplate records may reference Helm charts plus
+  `source.preset.repositoryUrl/ref/path`.
+- Runtime source generation may render Helm, create Secret, ConfigMap, and patch
+  files, then run Kustomize.
 - Bases should stay template-free YAML.
 - App bases should keep Services internally reachable; expose apps from
   WorkloadClaim top-level intent such as `exposure=internal` or