Answer the inbox from the panel, with templates

A reply starts from a template filled in the language the person wrote in,
is sent by the application when it has a mailer that delivers or handed to
the replier's mail program otherwise, and is recorded on the submission.
The same is available through the API.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

app/Providers/AuthServiceProvider.php

@@ -14,6 +14,7 @@ use App\Models\MissingUrl;
 use App\Models\Page;
 use App\Models\Project;
 use App\Models\Redirect;
+use App\Models\ReplyTemplate;
 use App\Models\Repository;
 use App\Models\Service;
 use App\Models\Talk;
@@ -31,6 +32,7 @@ use App\Policies\MissingUrlPolicy;
 use App\Policies\PagePolicy;
 use App\Policies\ProjectPolicy;
 use App\Policies\RedirectPolicy;
+use App\Policies\ReplyTemplatePolicy;
 use App\Policies\RepositoryPolicy;
 use App\Policies\RolePolicy;
 use App\Policies\ServicePolicy;
@@ -66,6 +68,7 @@ class AuthServiceProvider extends ServiceProvider
         Gate::policy(User::class, UserPolicy::class);
         Gate::policy(Role::class, RolePolicy::class);
         Gate::policy(Webhook::class, WebhookPolicy::class);
+        Gate::policy(ReplyTemplate::class, ReplyTemplatePolicy::class);
 
         // The one place a permission is granted — spatie's own gate check is
         // switched off (config/permission.php) so nothing answers before this.