refactor(argocd): replace wave/layer/phase schemes with two-phase bootstrap + app-of-apps and document both CD scopes — fixes self-hosted-git chicken-egg and stale paths

k8s/argocd/root/homelab-root.yaml

@@ -0,0 +1,28 @@
+# Phase 1 entry point — the app-of-apps root.
+# Apply once (kubectl apply -k k8s/argocd/root) then sync it; it renders every
+# Application manifest under k8s/argocd/apps/ and those deploy the whole cluster
+# in sync-wave order. Requires Forgejo to be serving the repo (Phase 0 first).
+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: homelab-root
+  namespace: argocd
+  annotations:
+    argocd.argoproj.io/sync-wave: "0"
+spec:
+  project: homelab
+  source:
+    repoURL: http://forgejo.riotpiao.com:3000/riotpiao.com/homelab.git
+    targetRevision: main
+    path: k8s/argocd/apps
+    directory:
+      recurse: false
+  destination:
+    server: https://kubernetes.default.svc
+    namespace: argocd
+  syncPolicy:
+    automated:
+      prune: true
+      selfHeal: true
+    syncOptions:
+      - CreateNamespace=true