use openai response_format

Author: QuentinGab

config/translator.php

@@ -14,10 +14,7 @@
             ],
             'openai' => [
                 'model' => 'gpt-4o',
-                'prompt' => "
-                            Translate the following json to the locale '{targetLocale}' while preserving the keys.
-                            Your answer must always be a valid and parsable json string.
-                            ",
+                'prompt' => "Translate the following json to the locale '{targetLocale}' while preserving the keys.",
             ],
         ],
     ],

src/Services/Grammar/OpenAiService.php

@@ -22,6 +22,7 @@ public function fixAll(array $texts): array
             ->flatMap(function (Collection $chunk) {
                 $response = OpenAI::chat()->create([
                     'model' => $this->model,
+                    'response_format' => ['type' => 'json_object'],
                     'messages' => [
                         [
                             'role' => 'system',

src/Services/Translate/OpenAiService.php

@@ -22,6 +22,7 @@ public function translateAll(array $texts, string $targetLocale): array
             ->flatMap(function (Collection $chunk) use ($targetLocale) {
                 $response = OpenAI::chat()->create([
                     'model' => $this->model,
+                    'response_format' => ['type' => 'json_object'],
                     'messages' => [
                         [
                             'role' => 'system',