fix: correct last-sync date and logout redirect issues

- Fix admin users last-sync showing 1970 instead of actual sync date
  - Changed from MAX(qsos.createdAt) to MAX(syncJobs.completedAt)
  - Added timestamp conversion (seconds to milliseconds) for proper Date serialization
- Fix logout redirect not working from admin dashboard
  - Changed from goto() to window.location.href for hard redirect
  - Ensures proper navigation after auth state changes

Co-Authored-By: Claude <noreply@anthropic.com>

src/backend/services/admin.service.js

@@ -127,7 +127,12 @@ export async function getUserStats() {
       lotwConfirmed: sql`CAST(SUM(CASE WHEN ${qsos.lotwQslRstatus} = 'Y' THEN 1 ELSE 0 END) AS INTEGER)`,
       dclConfirmed: sql`CAST(SUM(CASE WHEN ${qsos.dclQslRstatus} = 'Y' THEN 1 ELSE 0 END) AS INTEGER)`,
       totalConfirmed: sql`CAST(SUM(CASE WHEN ${qsos.lotwQslRstatus} = 'Y' OR ${qsos.dclQslRstatus} = 'Y' THEN 1 ELSE 0 END) AS INTEGER)`,
-      lastSync: sql`MAX(${qsos.createdAt})`,
+      lastSync: sql`(
+        SELECT MAX(${syncJobs.completedAt})
+        FROM ${syncJobs}
+        WHERE ${syncJobs.userId} = ${users.id}
+        AND ${syncJobs.status} = 'completed'
+      )`.mapWith(Number),
       createdAt: users.createdAt,
     })
     .from(users)
@@ -135,7 +140,11 @@ export async function getUserStats() {
     .groupBy(users.id)
     .orderBy(sql`COUNT(${qsos.id}) DESC`);
 
-  return stats;
+  // Convert lastSync timestamps (seconds) to Date objects for JSON serialization
+  return stats.map(stat => ({
+    ...stat,
+    lastSync: stat.lastSync ? new Date(stat.lastSync * 1000) : null,
+  }));
 }
 
 /**

src/frontend/src/routes/+layout.svelte

@@ -5,7 +5,11 @@
 
   function handleLogout() {
     auth.logout();
-    goto('/auth/login');
+    // Use hard redirect to ensure proper navigation after logout
+    // goto() may not work properly due to SvelteKit client-side routing
+    if (browser) {
+      window.location.href = '/auth/login';
+    }
   }
 </script>
 

src/frontend/src/routes/settings/+page.svelte

@@ -1,5 +1,6 @@
 <script>
   import { onMount } from 'svelte';
+  import { browser } from '$app/environment';
   import { authAPI } from '$lib/api.js';
   import { auth } from '$lib/stores.js';
   import { goto } from '$app/navigation';
@@ -93,7 +94,10 @@
 
   function handleLogout() {
     auth.logout();
-    goto('/auth/login');
+    // Use hard redirect to ensure proper navigation after logout
+    if (browser) {
+      window.location.href = '/auth/login';
+    }
   }
 </script>