feat(couchdb): deploy CouchDB for Obsidian sync (communicore)

cluster/applications/couchdb/application.yaml

@@ -0,0 +1,45 @@
+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: couchdb
+  namespace: argocd
+  labels:
+    app.kubernetes.io/name: couchdb
+    app.kubernetes.io/part-of: mk-labs
+  annotations:
+    argocd.argoproj.io/sync-wave: "20"  # Wave 20 — applications tier
+spec:
+  project: default
+  sources:
+    # Helm chart from official Apache CouchDB repository
+    - repoURL: https://apache.github.io/couchdb-helm
+      chart: couchdb
+      targetRevision: 4.6.3
+      helm:
+        valueFiles:
+          - $values/cluster/applications/couchdb/values.yaml
+    # Values and manifests from homelab repo
+    - repoURL: https://gitea.mk-labs.cloud/rblundon/homelab.git
+      targetRevision: HEAD
+      ref: values
+    # Additional manifests (namespace, externalsecret)
+    - repoURL: https://gitea.mk-labs.cloud/rblundon/homelab.git
+      targetRevision: HEAD
+      path: cluster/applications/couchdb
+      directory:
+        recurse: false
+        include: '{namespace.yaml,externalsecret.yaml}'
+  destination:
+    server: https://kubernetes.default.svc
+    namespace: couchdb
+  syncPolicy:
+    automated:
+      prune: true
+      selfHeal: true
+    syncOptions:
+      - CreateNamespace=true
+      - ApplyOutOfSyncOnly=true
+    syncWaves:
+      - order: 0  # Namespace first
+      - order: 1  # ExternalSecret second
+      - order: 2  # Helm chart last