feat(Translation): enhance product dialogs and update translation model

- Added new translation files for product dialogs to support additional languages.
- Refactored various components to utilize translation functions for error messages, labels, and placeholders, enhancing localization support.

translate-i18n.js

@@ -17,6 +17,7 @@ const TRANSLATION_FILES = [
   'auth.js',
   'cart.js',
   'product.js',
+  'productDialogs.js',
   'search.js',
   'sorting.js',
   'chat.js',
@@ -52,7 +53,7 @@ const LEGAL_FILES = [
 ];
 
 // Model configuration
-const GERMAN_TO_ENGLISH_MODEL = 'gpt-4.1'; // High-quality model for German -> English (critical step)
+const GERMAN_TO_ENGLISH_MODEL = 'gpt-5.1'; // High-quality model for German -> English (critical step)
 const ENGLISH_TO_OTHER_MODEL = 'gpt-4.1-mini'; // Faster/cheaper model for English -> Other languages
 
 // Supported languages for translation
@@ -354,7 +355,7 @@ function writeTranslationFile(filePath, translationString) {
 }
 
 // Function to translate content using OpenAI (for German to English)
-async function translateContent(content, systemPrompt, targetLanguage = null, model = 'gpt-4') {
+async function translateContent(content, systemPrompt, targetLanguage = null, model = 'gpt-5.1') {
   try {
     const prompt = targetLanguage 
       ? systemPrompt.replace(/{{targetLanguage}}/g, targetLanguage)
@@ -366,8 +367,7 @@ async function translateContent(content, systemPrompt, targetLanguage = null, mo
         { role: 'system', content: prompt },
         { role: 'user', content: `Please translate this translation file content:\n\n${content}` }
       ],
-      temperature: 0.1,
-      max_tokens: 4000
+      reasoning_effort: "none",
     });
 
     return response.choices[0].message.content;
@@ -649,7 +649,7 @@ async function main() {
   // Check if OpenAI API key is set (only if we're doing actual translation)
   if (!skipEnglish && !OPENAI_API_KEY) {
     console.error('❌ OPENAI_API_KEY environment variable is not set');
-    console.log('Please set your OpenAI API key: export OPENAI_API_KEY="your-api-key-here"');
+    console.log('Hint: export `cat ../shopApi/.env |grep OPENAI` ; node translate-i18n.js');
     process.exit(1);
   }