feat: POC — gitea-pages report publish + commit status

- ci-engine.yml: 2 dummy test stepiä + agnostinen publish-stage
  (skannaa .meta-tiedostot, PATCH raportit, postaa status + linkki)
- publish-git-pages.sh: palauta BASE URL (ilman index.html)
- .meta-formaatti: lisää context, description, state kentät

git-pages/templates/deployment.yaml

@@ -57,6 +57,46 @@ spec:
             periodSeconds: 20
           resources:
             {{- toYaml .Values.resources | nindent 12 }}
+        {{- if and .Values.persistence.enabled .Values.retention.enabled (eq .Values.retention.mode "sidecar") }}
+        - name: retention
+          image: "{{ .Values.retention.image.repository }}:{{ .Values.retention.image.tag }}"
+          imagePullPolicy: {{ .Values.retention.image.pullPolicy }}
+          securityContext:
+            runAsUser: 0
+          command:
+            - bash
+            - -c
+            - |
+              set -euo pipefail
+              echo "Retention sidecar: installing deps..."
+              apt-get update -qq
+              apt-get install -y --no-install-recommends curl jq python3 >/dev/null
+              echo "Retention sidecar: ready"
+              while true; do
+                /scripts/retention-cleanup.sh
+                echo "Retention sidecar: next run in 24h"
+                sleep 86400
+              done
+          env:
+            - name: PAGES_URL
+              value: http://localhost:3000
+            - name: PAGES_HOST
+              value: {{ .Values.ingress.host | quote }}
+            - name: RETENTION_CONFIG
+              value: /etc/retention/retention.json
+            - name: GITEA_API_URL
+              value: {{ .Values.retention.giteaApiUrl | quote }}
+            - name: GITEA_TOKEN
+              valueFrom:
+                secretKeyRef:
+                  name: git-pages-retention-gitea
+                  key: token
+          volumeMounts:
+            - name: retention-scripts
+              mountPath: /scripts
+            - name: retention-config
+              mountPath: /etc/retention
+        {{- end }}
       volumes:
         - name: config
           configMap:
@@ -66,3 +106,15 @@ spec:
           persistentVolumeClaim:
             claimName: {{ include "git-pages.fullname" . }}-data
         {{- end }}
+        {{- if and .Values.persistence.enabled .Values.retention.enabled (eq .Values.retention.mode "sidecar") }}
+        - name: retention-scripts
+          configMap:
+            name: git-pages-retention
+            defaultMode: 0755
+        - name: retention-config
+          configMap:
+            name: git-pages-retention
+            items:
+              - key: retention.json
+                path: retention.json
+        {{- end }}