checkpoint: stalwart deploy, beam-design, migration scripts, config tweaks

Stalwart + Bulwark mail server deployment with OIDC, TLS cert, vault
secrets. Beam design service. Pingora config cleanup. SeaweedFS
replication fix. Kratos values tweak. Migration scripts for mbox/messages
/calendars from La Suite to Stalwart.

base/stalwart/bulwark-deployment.yaml

@@ -0,0 +1,70 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: bulwark
+  namespace: stalwart
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: bulwark
+  template:
+    metadata:
+      labels:
+        app: bulwark
+    spec:
+      containers:
+        - name: bulwark
+          image: src.DOMAIN_SUFFIX/studio/bulwark:latest
+          ports:
+            - name: http
+              containerPort: 3000
+          env:
+            - name: JMAP_SERVER_URL
+              value: https://mail.DOMAIN_SUFFIX
+            - name: OAUTH_ENABLED
+              value: "true"
+            - name: OAUTH_ONLY
+              value: "true"
+            - name: LOG_LEVEL
+              value: "debug"
+            - name: OAUTH_SCOPES
+              value: "openid email profile offline_access"
+            - name: COOKIE_SECURE
+              value: "false"
+            - name: OAUTH_CLIENT_ID
+              valueFrom:
+                secretKeyRef:
+                  name: oidc-bulwark
+                  key: CLIENT_ID
+            - name: OAUTH_CLIENT_SECRET
+              valueFrom:
+                secretKeyRef:
+                  name: oidc-bulwark
+                  key: CLIENT_SECRET
+            - name: OAUTH_ISSUER_URL
+              value: https://auth.DOMAIN_SUFFIX
+            - name: SESSION_SECRET
+              valueFrom:
+                secretKeyRef:
+                  name: stalwart-app-secrets
+                  key: admin-password
+          livenessProbe:
+            httpGet:
+              path: /
+              port: 3000
+            initialDelaySeconds: 10
+            periodSeconds: 30
+          readinessProbe:
+            httpGet:
+              path: /
+              port: 3000
+            initialDelaySeconds: 5
+            periodSeconds: 10
+          resources:
+            requests:
+              memory: 128Mi
+              cpu: 50m
+            limits:
+              memory: 512Mi
+              cpu: 500m