[model-gateway] HA - Lightweight State Layer + gRPC Mesh (#14108)

Signed-off-by: Kun(llfl) <i@imux.top>
Signed-off-by: Tony Lu <tonylu@linux.alibaba.com>
Co-authored-by: Kun(llfl) <i@imux.top>

sgl-model-gateway/bindings/python/src/lib.rs

@@ -506,6 +506,8 @@ impl Router {
                 prefill_selector: self.prefill_selector.clone(),
                 decode_selector: self.decode_selector.clone(),
                 bootstrap_port_annotation: self.bootstrap_port_annotation.clone(),
+                router_selector: HashMap::new(),
+                router_mesh_port_annotation: "sglang.ai/mesh-port".to_string(),
             })
         } else {
             None
@@ -929,6 +931,8 @@ impl Router {
                 prefill_selector: self.prefill_selector.clone(),
                 decode_selector: self.decode_selector.clone(),
                 bootstrap_port_annotation: self.bootstrap_port_annotation.clone(),
+                router_selector: HashMap::new(),
+                router_mesh_port_annotation: "sglang.ai/mesh-port".to_string(),
             })
         } else {
             None
@@ -963,6 +967,7 @@ impl Router {
                     .control_plane_auth
                     .as_ref()
                     .map(|c| c.to_auth_control_plane_config()),
+                mesh_server_config: None,
             })
             .await
             .map_err(|e| pyo3::exceptions::PyRuntimeError::new_err(e.to_string()))