fix(admin): release notification claim on dispatch failure so retries aren't blocked

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

app/Livewire/Admin/Maintenance.php

@@ -204,11 +204,23 @@ class Maintenance extends Component
             return;
         }
 
+        // Claim the row, then dispatch. If dispatch fails, release the claim
+        // immediately (delete if we created it, else restore the prior attempt
+        // time) so a resend can retry right away instead of waiting out the TTL.
+        $wasNew = $delivery->wasRecentlyCreated;
+        $priorUpdatedAt = $delivery->updated_at;
         $delivery->forceFill(['updated_at' => now()])->save();
         $mail->notificationId = $delivery->id;
-        Mail::to($customer->email)
-            ->locale($customer->locale ?: config('app.locale'))
-            ->queue($mail);
+
+        try {
+            Mail::to($customer->email)
+                ->locale($customer->locale ?: config('app.locale'))
+                ->queue($mail);
+        } catch (\Throwable $e) {
+            $wasNew ? $delivery->delete() : $delivery->forceFill(['updated_at' => $priorUpdatedAt])->save();
+
+            throw $e;
+        }
     }
 
     public function render()