fmt: apply prettier to frontend JS/TS/CSS/JSON files

Initial prettier pass with tabWidth=4.

frontend/src/api/alertEvents.jsx

@@ -1,35 +1,37 @@
 // API client for alert event history
 
-import { getAuthHeadersSimple } from './authHeaders';
-import { API_BASE } from './config';
+import { getAuthHeadersSimple } from "./authHeaders";
+import { API_BASE } from "./config";
 
 /**
  * Get all alert events (history)
  * @returns {Promise<Array>} List of alert events, sorted by most recent first
  */
 export async function getAlertEvents() {
-  try {
-  const headers = await getAuthHeadersSimple();
-  const response = await fetch(`${API_BASE}/alert-events`, {
-    headers: headers
-  });
-  
-  if (!response.ok) {
-      let errorMessage = 'Failed to fetch alert events';
-      try {
-    const error = await response.json();
-        errorMessage = error.message || errorMessage;
-      } catch {
-        errorMessage = `Server error: ${response.status} ${response.statusText}`;
-      }
-      throw new Error(errorMessage);
-  }
-  
-  return response.json();
-  } catch (error) {
-    if (error.message.includes('fetch')) {
-      throw new Error('Cannot connect to server. Is the backend running?');
+    try {
+        const headers = await getAuthHeadersSimple();
+        const response = await fetch(`${API_BASE}/alert-events`, {
+            headers: headers,
+        });
+
+        if (!response.ok) {
+            let errorMessage = "Failed to fetch alert events";
+            try {
+                const error = await response.json();
+                errorMessage = error.message || errorMessage;
+            } catch {
+                errorMessage = `Server error: ${response.status} ${response.statusText}`;
+            }
+            throw new Error(errorMessage);
+        }
+
+        return response.json();
+    } catch (error) {
+        if (error.message.includes("fetch")) {
+            throw new Error(
+                "Cannot connect to server. Is the backend running?",
+            );
+        }
+        throw error;
     }
-    throw error;
-  }
 }