fix(auth): handles expired tokens correctly

frontend/src/internal_time_ago.js

@@ -66,3 +66,24 @@ function internal_time_ago(time) {
         }
     return time;
 }
+
+
+// Function to format time duration similar to C#'s TimeSpan
+export function formatDuration(milliseconds) {
+    // Ensure we're working with a positive number
+    const ms = Math.abs(milliseconds);
+
+    const days = Math.floor(ms / (24 * 60 * 60 * 1000));
+    const hours = Math.floor((ms % (24 * 60 * 60 * 1000)) / (60 * 60 * 1000));
+    const minutes = Math.floor((ms % (60 * 60 * 1000)) / (60 * 1000));
+    const seconds = Math.floor((ms % (60 * 1000)) / 1000);
+
+    // Format the duration like "1d 2h 3m 4s" or just the relevant parts
+    const parts = [];
+    if (days > 0) parts.push(`${days}d`);
+    if (hours > 0 || days > 0) parts.push(`${hours}h`);
+    if (minutes > 0 || hours > 0 || days > 0) parts.push(`${minutes}m`);
+    parts.push(`${seconds}s`);
+
+    return parts.join(' ');
+}