diff --git a/eveai_chat_client/static/assets/js/composables/useTranslation.js b/eveai_chat_client/static/assets/js/composables/useTranslation.js
index e458e5a..058c9bc 100644
--- a/eveai_chat_client/static/assets/js/composables/useTranslation.js
+++ b/eveai_chat_client/static/assets/js/composables/useTranslation.js
@@ -167,6 +167,94 @@ export function useTranslation() {
     };
 }
 
+// Global cache for constants - shared across all component instances
+const CONSTANTS_CACHE = {
+    currentLanguage: null,
+    translations: {}
+};
+
+/**
+ * Composable for translating application constants with global caching
+ * This ensures all component instances share the same cached translations
+ */
+export function useConstantsTranslation() {
+    const { translateSafe } = useTranslation();
+
+    /**
+     * Translate constants with global caching
+     * @param {Object} constants - Object with key-value pairs of constants to translate
+     * @param {string} targetLang - Target language code
+     * @param {Object} options - Translation options
+     * @returns {Promise<Object>} Object with translated constants
+     */
+    const translateConstants = async (constants, targetLang, options = {}) => {
+        console.log('useConstantsTranslation: translateConstants called', { targetLang, currentCached: CONSTANTS_CACHE.currentLanguage });
+        
+        // Check if we already have translations for this language
+        if (CONSTANTS_CACHE.currentLanguage === targetLang && CONSTANTS_CACHE.translations) {
+            console.log('useConstantsTranslation: Using cached translations for', targetLang);
+            return { ...CONSTANTS_CACHE.translations };
+        }
+
+        console.log('useConstantsTranslation: Translating constants to', targetLang);
+
+        try {
+            const translated = {};
+            
+            // Translate each constant
+            for (const [key, originalText] of Object.entries(constants)) {
+                translated[key] = await translateSafe(originalText, targetLang, {
+                    context: 'constants',
+                    fallbackText: originalText,
+                    ...options
+                });
+            }
+
+            // Update global cache
+            CONSTANTS_CACHE.currentLanguage = targetLang;
+            CONSTANTS_CACHE.translations = translated;
+
+            console.log('useConstantsTranslation: Successfully translated and cached constants');
+            return translated;
+        } catch (error) {
+            console.error('useConstantsTranslation: Error translating constants:', error);
+            // Return original constants as fallback
+            return { ...constants };
+        }
+    };
+
+    /**
+     * Get cached translations for current language
+     * @returns {Object|null} Cached translations or null if not available
+     */
+    const getCachedTranslations = () => {
+        return CONSTANTS_CACHE.currentLanguage ? { ...CONSTANTS_CACHE.translations } : null;
+    };
+
+    /**
+     * Clear the constants cache (useful for testing or language reset)
+     */
+    const clearCache = () => {
+        CONSTANTS_CACHE.currentLanguage = null;
+        CONSTANTS_CACHE.translations = {};
+        console.log('useConstantsTranslation: Cache cleared');
+    };
+
+    /**
+     * Get current cached language
+     */
+    const getCachedLanguage = () => {
+        return CONSTANTS_CACHE.currentLanguage;
+    };
+
+    return {
+        translateConstants,
+        getCachedTranslations,
+        clearCache,
+        getCachedLanguage
+    };
+}
+
 /**
  * Simplified composable for basic translation needs
  * Use this when you only need simple text translation
diff --git a/eveai_chat_client/static/assets/vue-components/ChatMessage.vue b/eveai_chat_client/static/assets/vue-components/ChatMessage.vue
index 33f19db..35938c9 100644
--- a/eveai_chat_client/static/assets/vue-components/ChatMessage.vue
+++ b/eveai_chat_client/static/assets/vue-components/ChatMessage.vue
@@ -243,6 +243,7 @@ export default {
             if (eventData.answer) {
                 console.log('Updating message content with answer:', eventData.answer);
                 this.message.content = eventData.answer;
+                this.message.originalContent = eventData.answer;
             } else {
                 console.error('No answer in specialist-complete event data');
             }
diff --git a/eveai_chat_client/static/assets/vue-components/MessageHistory.vue b/eveai_chat_client/static/assets/vue-components/MessageHistory.vue
index 8146462..ee570b8 100644
--- a/eveai_chat_client/static/assets/vue-components/MessageHistory.vue
+++ b/eveai_chat_client/static/assets/vue-components/MessageHistory.vue
@@ -145,7 +145,15 @@ export default {
                 const firstMessage = this.messages[0];
                 
                 // Controleer of we een originele inhoud hebben om te vertalen
-                if (firstMessage.originalContent) {
+                if (firstMessage.content) {
+
+                    if (!firstMessage.originalContent) {
+                        firstMessage.originalContent = firstMessage.content;
+                    }
+
+                    console.log('Originele inhoud van eerste AI bericht:', firstMessage.originalContent);
+                    console.log('Content eerste AI bericht:', firstMessage.content);
+
                     console.log('Vertaling van eerste AI bericht naar:', event.detail.language);
                     
                     try {
diff --git a/eveai_chat_client/static/assets/vue-components/ProgressTracker.vue b/eveai_chat_client/static/assets/vue-components/ProgressTracker.vue
index 352cc39..c208e1e 100644
--- a/eveai_chat_client/static/assets/vue-components/ProgressTracker.vue
+++ b/eveai_chat_client/static/assets/vue-components/ProgressTracker.vue
@@ -22,9 +22,9 @@
                 <span v-else-if="isCompleted" class="status-icon completed progress-icon">✓</span>
                 
                 <!-- Status tekst -->
-                <span v-if="error">Fout bij verwerking</span>
-                <span v-else-if="isCompleted">Verwerking voltooid</span>
-                <span v-else>Bezig met redeneren...</span>
+                <span v-if="error">{{ errorText }}</span>
+                <span v-else-if="isCompleted">{{ completedText }}</span>
+                <span v-else>{{ processingText }}</span>
             </div>
             <div class="progress-toggle">
                 {{ isExpanded ? '▼' : '◄' }}
@@ -53,6 +53,8 @@
 </template>
 
 <script>
+import { useTranslationClient, useConstantsTranslation } from '../js/composables/useTranslation.js';
+
 export default {
     name: 'ProgressTracker',
     props: {
@@ -74,21 +76,102 @@ export default {
             connecting: true,
             error: null,
             progressLines: [],
-            eventSource: null
+            eventSource: null,
+            // Vertaalde status teksten
+            translatedStatusTexts: {
+                error: 'Error while processing',
+                completed: 'Processing completed',
+                processing: 'Processing...'
+            },
+            currentLanguage: 'nl'
         };
     },
     computed: {
         isProcessing() {
             return !this.isCompleted && !this.hasError && !this.connecting;
+        },
+        // Computed properties voor vertaalde status teksten
+        errorText() {
+            return this.translatedStatusTexts.error;
+        },
+        completedText() {
+            return this.translatedStatusTexts.completed;
+        },
+        processingText() {
+            return this.translatedStatusTexts.processing;
         }
     },
     mounted() {
         this.connectToProgressStream();
+        
+        // Setup translation composables
+        const { translateSafe } = useTranslationClient();
+        const { translateConstants, getCachedTranslations, getCachedLanguage } = useConstantsTranslation();
+        this.translateSafe = translateSafe;
+        this.translateConstants = translateConstants;
+        this.getCachedTranslations = getCachedTranslations;
+        this.getCachedLanguage = getCachedLanguage;
+        
+        // Check if we already have cached translations and apply them
+        const cachedTranslations = this.getCachedTranslations();
+        if (cachedTranslations) {
+            console.log('ProgressTracker: Applying cached translations on mount');
+            this.translatedStatusTexts = { ...cachedTranslations };
+            this.currentLanguage = this.getCachedLanguage();
+        }
+        
+        // Luister naar taalwijzigingen
+        this.languageChangeHandler = (event) => {
+            if (event.detail && event.detail.language) {
+                this.handleLanguageChange(event.detail.language);
+            }
+        };
+        document.addEventListener('language-changed', this.languageChangeHandler);
     },
     beforeUnmount() {
         this.disconnectEventSource();
+        
+        // Cleanup language change listener
+        if (this.languageChangeHandler) {
+            document.removeEventListener('language-changed', this.languageChangeHandler);
+        }
     },
     methods: {
+        async handleLanguageChange(newLanguage) {
+            console.log('ProgressTracker: Language change to', newLanguage);
+            
+            // Skip if same language
+            if (this.currentLanguage === newLanguage) {
+                return;
+            }
+            
+            this.currentLanguage = newLanguage;
+            
+            // Define the original Dutch constants
+            const originalTexts = {
+                error: 'Fout bij verwerking',
+                completed: 'Verwerking voltooid',
+                processing: 'Bezig met redeneren...'
+            };
+            
+            try {
+                // Use global constants translation with caching
+                const translatedTexts = await this.translateConstants(originalTexts, newLanguage, {
+                    context: 'progress_tracker',
+                    apiPrefix: this.apiPrefix
+                });
+                
+                // Update component state with translated texts
+                this.translatedStatusTexts = translatedTexts;
+                
+                console.log('ProgressTracker: Successfully updated status texts for', newLanguage);
+            } catch (error) {
+                console.error('ProgressTracker: Error translating status texts:', error);
+                // Fallback to original Dutch texts
+                this.translatedStatusTexts = originalTexts;
+            }
+        },
+
         connectToProgressStream() {
             if (!this.taskId) {
                 console.error('Geen task ID beschikbaar voor progress tracking');
diff --git a/eveai_chat_workers/specialists/traicie/TRAICIE_SELECTION_SPECIALIST/1_4.py b/eveai_chat_workers/specialists/traicie/TRAICIE_SELECTION_SPECIALIST/1_4.py
index 88a56d5..cf33c90 100644
--- a/eveai_chat_workers/specialists/traicie/TRAICIE_SELECTION_SPECIALIST/1_4.py
+++ b/eveai_chat_workers/specialists/traicie/TRAICIE_SELECTION_SPECIALIST/1_4.py
@@ -188,6 +188,7 @@ class SpecialistExecutor(CrewAIBaseSpecialistExecutor):
             "icon": "verified",
             "fields": fields,
         }
+        ko_form = TranslationServices.translate_config(self.tenant_id, ko_form, "fields", arguments.language)
 
         rag_answer = self._check_and_execute_rag(arguments, formatted_context, citations)
         if rag_answer:
diff --git a/test_translation_implementation.py b/test_translation_implementation.py
new file mode 100644
index 0000000..eb2d526
--- /dev/null
+++ b/test_translation_implementation.py
@@ -0,0 +1,193 @@
+#!/usr/bin/env python3
+"""
+Test script to verify the translation implementation in eveai_chat_client.
+
+This script checks:
+1. ProgressTracker.vue has proper translation setup
+2. MessageHistory.vue has correct historical message exclusion logic
+3. Translation composable is properly imported
+4. Caching mechanism is implemented
+"""
+
+import os
+import re
+import sys
+
+def check_file_exists(filepath):
+    """Check if file exists and return True/False"""
+    return os.path.exists(filepath)
+
+def read_file_content(filepath):
+    """Read file content safely"""
+    try:
+        with open(filepath, 'r', encoding='utf-8') as f:
+            return f.read()
+    except Exception as e:
+        print(f"Error reading {filepath}: {e}")
+        return None
+
+def test_progress_tracker_implementation():
+    """Test ProgressTracker.vue implementation"""
+    print("🔍 Testing ProgressTracker.vue implementation...")
+    
+    filepath = "/Volumes/OWC4M2_1/Development/Josako/EveAI/TBD/eveai_chat_client/static/assets/vue-components/ProgressTracker.vue"
+    
+    if not check_file_exists(filepath):
+        print("❌ ProgressTracker.vue not found")
+        return False
+    
+    content = read_file_content(filepath)
+    if not content:
+        return False
+    
+    checks = [
+        ("Translation composable import", r"import.*useTranslationClient.*from.*useTranslation"),
+        ("Cache object", r"const statusTextCache = \{\}"),
+        ("Translated status texts data", r"translatedStatusTexts:\s*\{"),
+        ("Error text computed property", r"errorText\(\)\s*\{"),
+        ("Completed text computed property", r"completedText\(\)\s*\{"),
+        ("Processing text computed property", r"processingText\(\)\s*\{"),
+        ("Template uses computed properties", r"\{\{\s*errorText\s*\}\}"),
+        ("Language change handler", r"handleLanguageChange\(newLanguage\)"),
+        ("Cache check logic", r"if \(statusTextCache\[newLanguage\]\)"),
+        ("Backend translation calls", r"await this\.translateSafe"),
+        ("Event listener setup", r"document\.addEventListener\('language-changed'"),
+        ("Event listener cleanup", r"document\.removeEventListener\('language-changed'")
+    ]
+    
+    passed = 0
+    for check_name, pattern in checks:
+        if re.search(pattern, content, re.MULTILINE | re.DOTALL):
+            print(f"  ✅ {check_name}")
+            passed += 1
+        else:
+            print(f"  ❌ {check_name}")
+    
+    print(f"ProgressTracker.vue: {passed}/{len(checks)} checks passed")
+    return passed == len(checks)
+
+def test_message_history_implementation():
+    """Test MessageHistory.vue implementation"""
+    print("\n🔍 Testing MessageHistory.vue implementation...")
+    
+    filepath = "/Volumes/OWC4M2_1/Development/Josako/EveAI/TBD/eveai_chat_client/static/assets/vue-components/MessageHistory.vue"
+    
+    if not check_file_exists(filepath):
+        print("❌ MessageHistory.vue not found")
+        return False
+    
+    content = read_file_content(filepath)
+    if not content:
+        return False
+    
+    checks = [
+        ("Translation composable import", r"import.*useTranslationClient.*from.*useTranslation"),
+        ("Setup function with translateSafe", r"setup\(\)\s*\{.*translateSafe.*\}"),
+        ("Historical message exclusion", r"if \(this\.messages\.length === 1.*sender === 'ai'\)"),
+        ("Original content check", r"if \(firstMessage\.originalContent\)"),
+        ("Translation with fallback", r"fallbackText:\s*firstMessage\.originalContent"),
+        ("Event listener setup", r"document\.addEventListener\('language-changed'"),
+        ("Event listener cleanup", r"document\.removeEventListener\('language-changed'")
+    ]
+    
+    passed = 0
+    for check_name, pattern in checks:
+        if re.search(pattern, content, re.MULTILINE | re.DOTALL):
+            print(f"  ✅ {check_name}")
+            passed += 1
+        else:
+            print(f"  ❌ {check_name}")
+    
+    print(f"MessageHistory.vue: {passed}/{len(checks)} checks passed")
+    return passed == len(checks)
+
+def test_chat_message_original_content():
+    """Test ChatMessage.vue original content storage"""
+    print("\n🔍 Testing ChatMessage.vue original content storage...")
+    
+    filepath = "/Volumes/OWC4M2_1/Development/Josako/EveAI/TBD/eveai_chat_client/static/assets/vue-components/ChatMessage.vue"
+    
+    if not check_file_exists(filepath):
+        print("❌ ChatMessage.vue not found")
+        return False
+    
+    content = read_file_content(filepath)
+    if not content:
+        return False
+    
+    checks = [
+        ("Original content storage", r"this\.message\.originalContent = this\.message\.content"),
+        ("AI message check", r"this\.message\.sender === 'ai'"),
+        ("Original content condition", r"!this\.message\.originalContent")
+    ]
+    
+    passed = 0
+    for check_name, pattern in checks:
+        if re.search(pattern, content, re.MULTILINE):
+            print(f"  ✅ {check_name}")
+            passed += 1
+        else:
+            print(f"  ❌ {check_name}")
+    
+    print(f"ChatMessage.vue: {passed}/{len(checks)} checks passed")
+    return passed == len(checks)
+
+def test_translation_composable():
+    """Test translation composable exists"""
+    print("\n🔍 Testing translation composable...")
+    
+    filepath = "/Volumes/OWC4M2_1/Development/Josako/EveAI/TBD/eveai_chat_client/static/assets/js/composables/useTranslation.js"
+    
+    if not check_file_exists(filepath):
+        print("❌ useTranslation.js not found")
+        return False
+    
+    content = read_file_content(filepath)
+    if not content:
+        return False
+    
+    checks = [
+        ("useTranslationClient export", r"export function useTranslationClient"),
+        ("translateSafe function", r"const translateSafe = async"),
+        ("Backend API call", r"await translate\("),
+        ("Fallback handling", r"fallbackText")
+    ]
+    
+    passed = 0
+    for check_name, pattern in checks:
+        if re.search(pattern, content, re.MULTILINE):
+            print(f"  ✅ {check_name}")
+            passed += 1
+        else:
+            print(f"  ❌ {check_name}")
+    
+    print(f"useTranslation.js: {passed}/{len(checks)} checks passed")
+    return passed == len(checks)
+
+def main():
+    """Run all tests"""
+    print("🚀 Starting translation implementation tests...\n")
+    
+    tests = [
+        test_progress_tracker_implementation,
+        test_message_history_implementation,
+        test_chat_message_original_content,
+        test_translation_composable
+    ]
+    
+    results = []
+    for test in tests:
+        results.append(test())
+    
+    print(f"\n📊 Test Results:")
+    print(f"Passed: {sum(results)}/{len(results)} tests")
+    
+    if all(results):
+        print("🎉 All tests passed! Translation implementation is complete.")
+        return 0
+    else:
+        print("❌ Some tests failed. Please review the implementation.")
+        return 1
+
+if __name__ == "__main__":
+    sys.exit(main())
\ No newline at end of file