Initial commit: KidsAI Explorer with complete functionality

- Complete KidsAI Explorer application
- Multi-language support (English/German)
- AI-powered educational guidance using OpenAI
- Interactive chat interface for children
- Proper placeholder translation fixes
- Mobile-responsive design
- Educational framework for critical thinking

fix-placeholder.js

@@ -0,0 +1,26 @@
+// Force update placeholder for KidsAI
+console.log('🔧 Force updating placeholder...');
+
+// Check if kidsAI is available
+if (typeof window.kidsAI !== 'undefined') {
+    console.log('✅ KidsAI instance found');
+    window.kidsAI.debugTranslatePlaceholder();
+} else {
+    console.log('❌ KidsAI instance not found, trying manual approach...');
+    
+    // Manual approach
+    const input = document.getElementById('question-input');
+    if (input && typeof translations !== 'undefined') {
+        const currentLang = localStorage.getItem('kidsai-language') || 'en';
+        console.log('Current language:', currentLang);
+        
+        if (translations[currentLang] && translations[currentLang]['question-placeholder']) {
+            input.placeholder = translations[currentLang]['question-placeholder'];
+            console.log('✅ Manually updated placeholder to:', translations[currentLang]['question-placeholder']);
+        } else {
+            console.log('❌ Translation not found');
+        }
+    } else {
+        console.log('❌ Input element or translations not found');
+    }
+}