Per-member key auto-load: seed keys via sync-keys.js (portal feed); restore customUserVars for image billing

librechat.yaml

@@ -178,3 +178,8 @@ mcpServers:
     # Per-user credentials aren't available at boot; each member initializes
     # their own connection after saving their key in the MCP panel.
     startup: false
+    customUserVars:
+      IC_API_KEY:
+        title: "Inference Co-op API key"
+        description: "Auto-loaded from your membership — no action needed."
+        sensitive: true