feat: add namespace manifests for automatic sync (#3)

* feat(core): add namespace manifests for chat-api and open-webui

Add explicit Namespace resources with sync-wave: -1 to ensure
namespaces are created before dependent resources.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <[email protected]>

* feat(clusters): include namespaces in dev cluster kustomization

Reference core namespaces as first resource to ensure they exist
before any dependent resources are applied.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <[email protected]>

---------

Co-authored-by: Claude <[email protected]>

Author: justgithubaccount

clusters/dev/kustomization.yaml

@@ -4,6 +4,8 @@ kind: Kustomization
 # So let's prefix the app names with the cluster name (dev- | demo-worker1-)
 # namePrefix: dev-
 resources:
+  # Core - namespaces must be created first
+  - ../../platform/core/namespaces
   # Security
   - ../../platform/infrastructure/security/sealed-secrets/base
   - ../../platform/infrastructure/security/reflector/base

platform/core/namespaces/chat-api.yaml

@@ -0,0 +1,6 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: chat-api
+  annotations:
+    argocd.argoproj.io/sync-wave: "-1"

platform/core/namespaces/kustomization.yaml

@@ -0,0 +1,5 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+  - chat-api.yaml
+  - open-webui.yaml

platform/core/namespaces/open-webui.yaml

@@ -0,0 +1,6 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: open-webui
+  annotations:
+    argocd.argoproj.io/sync-wave: "-1"