fix: update FreeCAD MCP URL and ports for consistency and add new backend configurations in Titania

ansible/inventory/host_vars/titania.incus.yml

@@ -166,6 +166,16 @@ haproxy_backends:
     backend_port: 22781
     health_path: "/ready/"
 
+  - subdomain: "nike"
+    backend_host: "puck.incus"
+    backend_port: 20681
+    health_path: "/ready/"
+
+  - subdomain: "periplus"
+    backend_host: "puck.incus"
+    backend_port: 20581
+    health_path: "/ready/"
+
   - subdomain: "spelunker"
     backend_host: "puck.incus"
     backend_port: 22881
@@ -188,6 +198,12 @@ haproxy_backends:
     health_path: "/api/"
     timeout_server: 300s  # WebSocket support for HA frontend
 
+  - subdomain: "freecad-mcp"
+    backend_host: "caliban.incus"
+    backend_port: 22032
+    health_path: "/mcp"
+    timeout_server: 300s  # SSE streaming support for MCP
+
   - subdomain: "rommie"
     backend_host: "caliban.incus"
     backend_port: 22031