first commit of refactor

frontend/src/api/authHeaders.js

@@ -0,0 +1,47 @@
+/**
+ * Auth Headers Helper
+ * 
+ * Provides authentication headers for API calls
+ * Includes Firebase ID token in Authorization header
+ */
+
+import { auth } from '../firebase/config';
+
+/**
+ * Get headers with authentication token
+ * @returns {Promise<Object>} Headers object with Authorization
+ */
+export async function getAuthHeaders() {
+  const currentUser = auth.currentUser;
+  
+  if (!currentUser) {
+    throw new Error('No authenticated user');
+  }
+
+  // Get Firebase ID token
+  const token = await currentUser.getIdToken();
+
+  return {
+    'Content-Type': 'application/json',
+    'Authorization': `Bearer ${token}`
+  };
+}
+
+/**
+ * Get headers for non-JSON requests (e.g., DELETE with no body)
+ * @returns {Promise<Object>} Headers object with Authorization
+ */
+export async function getAuthHeadersSimple() {
+  const currentUser = auth.currentUser;
+  
+  if (!currentUser) {
+    throw new Error('No authenticated user');
+  }
+
+  const token = await currentUser.getIdToken();
+
+  return {
+    'Authorization': `Bearer ${token}`
+  };
+}
+