[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/tests/wasm_test.rs

@@ -179,6 +179,8 @@ async fn create_test_app_with_wasm() -> (axum::Router, Arc<AppContext>, TempDir)
         context: app_context.clone(),
         concurrency_queue_tx: None,
         router_manager: None,
+        mesh_handler: None,
+        mesh_sync_manager: None,
     });
 
     let request_id_headers = vec!["x-request-id".to_string(), "x-correlation-id".to_string()];