Update versions to 0.1.17 and fix backup panel visibility

- Update all Cargo.toml versions to 0.1.17
- Fix backup panel to only show when meaningful data exists
- Hide backup panel when no backup configured

dashboard/src/ui/widgets/backup.rs

@@ -259,7 +259,12 @@ impl Widget for BackupWidget {
         services.sort_by(|a, b| a.name.cmp(&b.name));
         self.service_metrics = services;
 
-        self.has_data = !metrics.is_empty();
+        // Only show backup panel if we have meaningful backup data
+        self.has_data = !metrics.is_empty() && (
+            self.last_run_timestamp.is_some() ||
+            self.total_repo_size_gb.is_some() ||
+            !self.service_metrics.is_empty()
+        );
 
         debug!(
             "Backup widget updated: status={:?}, services={}, total_size={:?}GB",