fix: harden SeaweedFS storage and fix Drive presigned uploads

- SeaweedFS filer: Recreate strategy (prevents LevelDB lock contention),
  60s termination grace period, memory 256Mi→2Gi limit
- SeaweedFS volume: 60s termination grace period, memory 256Mi→1Gi limit
- Drive: add AWS_S3_DOMAIN_REPLACE so presigned upload URLs use
  s3.sunbeam.pt instead of internal cluster DNS
- Drive: relax liveness/readiness probes (failureThreshold 1→3,
  period 1s→10s, timeout 1s→5s) to prevent crash loops under load

base/lasuite/drive-values.yaml

@@ -13,6 +13,16 @@
 fullnameOverride: drive
 
 backend:
+  livenessProbe:
+    initialDelaySeconds: 15
+    periodSeconds: 10
+    timeoutSeconds: 5
+    failureThreshold: 3
+  readinessProbe:
+    initialDelaySeconds: 15
+    periodSeconds: 10
+    timeoutSeconds: 5
+    failureThreshold: 3
   createsuperuser:
     # No superuser — users authenticate via OIDC.
     # The chart always renders this Job; override command so it exits 0.
@@ -71,6 +81,8 @@ backend:
       secretKeyRef:
         name: seaweedfs-s3-credentials
         key: S3_SECRET_KEY
+    # Public S3 endpoint for browser-side presigned upload URLs.
+    AWS_S3_DOMAIN_REPLACE: https://s3.DOMAIN_SUFFIX
     # Base URL for media file references so nginx auth proxy receives full paths.
     MEDIA_BASE_URL: https://drive.DOMAIN_SUFFIX