first commit of refactor

frontend/src/api/status.jsx

@@ -0,0 +1,18 @@
+// API client for system status
+
+const API_BASE = '/api';
+
+/**
+ * Get system status including latest processed block and health
+ * @returns {Promise<Object>} System status
+ */
+export async function getSystemStatus() {
+  const response = await fetch(`${API_BASE}/status`);
+  
+  if (!response.ok) {
+    const error = await response.json();
+    throw new Error(error.message || 'Failed to fetch system status');
+  }
+  
+  return response.json();
+}