Handle GrizzlyFlix signup mail and Seerr sync failures

config/config-base.yaml

@@ -1436,6 +1436,15 @@ sections:
     description: Jellyseerr requires email addresses to be unique. If this is not
       the case, you may see errors in jfa-go's logs. You can require unique addresses
       in Settings > Email.
+  - setting: ignore_csrf_email_update_errors
+    name: Ignore CSRF email update errors
+    advanced: true
+    type: bool
+    value: true
+    depends_true: enabled
+    description: Some Seerr builds allow API-key reads/imports but reject email or
+      notification writes with CSRF protection. If enabled, jfa-go logs those write
+      rejections at debug level while still importing/linking users.
 - section: backups
   meta:
     name: Backups
@@ -1514,6 +1523,14 @@ sections:
     requires_restart: true
     type: bool
     value: false
+  - setting: allow_account_creation_on_send_failure
+    name: Continue if confirmation email fails
+    advanced: true
+    type: bool
+    value: false
+    description: If enabled, account creation continues when the confirmation email
+      cannot be sent. Use this only when signups should keep working during temporary
+      mail relay failures.
   - setting: subject
     name: Email subject
     type: text