Package and individual mail sender, new report, and other changes

Co-authored-by: Copilot <copilot@github.com>

app/Http/Requests/UpdateEmailTemplateRequest.php

@@ -25,6 +25,9 @@ public function rules(): array
             'entity_types.*' => ['string', 'in:client,client_case,contract,person'],
             'allow_attachments' => ['sometimes', 'boolean'],
             'active' => ['boolean'],
+            'client' => ['sometimes', 'boolean'],
+            'action_id' => ['nullable', 'integer', 'exists:actions,id'],
+            'decision_id' => ['nullable', 'integer', 'exists:decisions,id'],
         ];
     }
 }