diff --git a/frontend/src/context/AuthContext.tsx b/frontend/src/context/AuthContext.tsx
index 2604c718..e09a0227 100644
--- a/frontend/src/context/AuthContext.tsx
+++ b/frontend/src/context/AuthContext.tsx
@@ -136,7 +136,9 @@ export const AuthProvider: FC<{ children: ReactNode }> = ({ children }) => {
         : typeof error === 'object' && error !== null && 'response' in error
           ? (error as { response?: { data?: { error?: string } } }).response?.data?.error || 'Password change failed'
           : 'Password change failed';
-      throw new Error(message);
+      throw new Error(message, {
+        cause: error,
+      });
     }
   };
 
diff --git a/frontend/src/hooks/useDocker.ts b/frontend/src/hooks/useDocker.ts
index 24e11e0e..06a9a006 100644
--- a/frontend/src/hooks/useDocker.ts
+++ b/frontend/src/hooks/useDocker.ts
@@ -18,7 +18,9 @@ export function useDocker(host?: string | null, serverId?: string | null) {
         if (error.response?.status === 503) {
           const details = error.response?.data?.details
           const message = details || 'Docker service unavailable. Check that Docker is running.'
-          throw new Error(message)
+          throw new Error(message, {
+            cause: err,
+          })
         }
         throw err
       }
diff --git a/frontend/src/pages/AuditLogs.tsx b/frontend/src/pages/AuditLogs.tsx
index abc94753..255737cf 100644
--- a/frontend/src/pages/AuditLogs.tsx
+++ b/frontend/src/pages/AuditLogs.tsx
@@ -42,12 +42,13 @@ function AuditLogDetailModal({
 }) {
   if (!log) return null
 
-  let parsedDetails: Record<string, unknown> = {}
-  try {
-    parsedDetails = JSON.parse(log.details)
-  } catch {
-    parsedDetails = { raw: log.details }
-  }
+  const parsedDetails: Record<string, unknown> = (() => {
+    try {
+      return JSON.parse(log.details)
+    } catch {
+      return { raw: log.details }
+    }
+  })()
 
   return (
     <Dialog open={isOpen} onOpenChange={onClose}>