feat: adiciona seletor de modelos de imagem da OpenAI (DALL-E 3 vs DALL-E 2) e do Gemini (Imagen 3)

manager/components/Exams.tsx

@@ -38,7 +38,9 @@ const Exams: React.FC<ExamsProps> = ({ data, updateData }) => {
     openaiModel: data.aiConfig?.openaiModel || 'gpt-4o-mini',
     claudeModel: data.aiConfig?.claudeModel || 'claude-3-5-sonnet-20241022',
     openrouterModel: data.aiConfig?.openrouterModel || 'google/gemini-2.5-flash',
-    activeImageProvider: data.aiConfig?.activeImageProvider || 'gemini'
+    activeImageProvider: data.aiConfig?.activeImageProvider || 'gemini',
+    openaiImageModel: data.aiConfig?.openaiImageModel || 'dall-e-3',
+    geminiImageModel: data.aiConfig?.geminiImageModel || 'imagen-3.0-generate-002'
   });
 
   const [dynamicModels, setDynamicModels] = useState<{
@@ -89,7 +91,9 @@ const Exams: React.FC<ExamsProps> = ({ data, updateData }) => {
       openaiModel: data.aiConfig?.openaiModel || 'gpt-4o-mini',
       claudeModel: data.aiConfig?.claudeModel || 'claude-3-5-sonnet-20241022',
       openrouterModel: data.aiConfig?.openrouterModel || 'google/gemini-2.5-flash',
-      activeImageProvider: data.aiConfig?.activeImageProvider || 'gemini'
+      activeImageProvider: data.aiConfig?.activeImageProvider || 'gemini',
+      openaiImageModel: data.aiConfig?.openaiImageModel || 'dall-e-3',
+      geminiImageModel: data.aiConfig?.geminiImageModel || 'imagen-3.0-generate-002'
     });
     setShowAIConfigModal(true);
   };
@@ -160,7 +164,9 @@ const Exams: React.FC<ExamsProps> = ({ data, updateData }) => {
       openaiModel: aiForm.openaiModel,
       claudeModel: aiForm.claudeModel,
       openrouterModel: aiForm.openrouterModel,
-      activeImageProvider: aiForm.activeImageProvider
+      activeImageProvider: aiForm.activeImageProvider,
+      openaiImageModel: aiForm.openaiImageModel,
+      geminiImageModel: aiForm.geminiImageModel
     };
 
     try {
@@ -1438,6 +1444,35 @@ const Exams: React.FC<ExamsProps> = ({ data, updateData }) => {
                 </div>
               </div>
 
+              {/* Modelo da IA de Imagem */}
+              <div className="border-t border-slate-100 pt-4">
+                {aiForm.activeImageProvider === 'openai' && (
+                  <div>
+                    <label className="block text-sm font-bold text-slate-700 mb-2">Modelo de Imagem OpenAI</label>
+                    <select
+                      value={aiForm.openaiImageModel}
+                      onChange={e => setAiForm({ ...aiForm, openaiImageModel: e.target.value })}
+                      className="w-full px-4 py-3 bg-slate-50 border border-slate-200 rounded-xl focus:ring-2 focus:ring-indigo-500 focus:outline-none transition-all font-bold text-slate-700 text-sm"
+                    >
+                      <option value="dall-e-3">DALL-E 3 (Alta Qualidade)</option>
+                      <option value="dall-e-2">DALL-E 2 (Mais Econômico)</option>
+                    </select>
+                  </div>
+                )}
+                {aiForm.activeImageProvider === 'gemini' && (
+                  <div>
+                    <label className="block text-sm font-bold text-slate-700 mb-2">Modelo de Imagem Gemini</label>
+                    <select
+                      value={aiForm.geminiImageModel}
+                      onChange={e => setAiForm({ ...aiForm, geminiImageModel: e.target.value })}
+                      className="w-full px-4 py-3 bg-slate-50 border border-slate-200 rounded-xl focus:ring-2 focus:ring-indigo-500 focus:outline-none transition-all font-bold text-slate-700 text-sm"
+                    >
+                      <option value="imagen-3.0-generate-002">Imagen 3.0 Generate 002 (Padrão)</option>
+                    </select>
+                  </div>
+                )}
+              </div>
+
               {aiForm.activeProvider === 'gemini' && (
                 <div className="border-t border-slate-100 pt-4">
                   <h4 className="text-xs font-black text-slate-400 uppercase tracking-widest mb-3">Google Gemini</h4>

manager/server.selfhosted.js

@@ -1615,8 +1615,7 @@ app.post('/api/ai/generate-image', async (req, res) => {
     let imageUrl = '';
 
     if (provider === 'openai') {
-      const modelName = aiConfig.openaiModel || 'gpt-4o-mini';
+      const imageModel = aiConfig.openaiImageModel || 'dall-e-3';
-      const imageModel = modelName.includes('gpt-4') ? 'dall-e-3' : 'dall-e-2';
 
       const response = await fetch('https://api.openai.com/v1/images/generations', {
         method: 'POST',
@@ -1663,7 +1662,8 @@ app.post('/api/ai/generate-image', async (req, res) => {
       }
     } else {
       // Usar Google Gemini Imagen 3
-      const imagenUrl = `https://generativelanguage.googleapis.com/v1beta/models/imagen-3.0-generate-002:predict?key=${apiKey}`;
+      const geminiImageModel = aiConfig.geminiImageModel || 'imagen-3.0-generate-002';
+      const imagenUrl = `https://generativelanguage.googleapis.com/v1beta/models/${geminiImageModel}:predict?key=${apiKey}`;
       const payload = {
         instances: [
           {

manager/types.ts

@@ -308,6 +308,8 @@ export interface AIConfig {
   claudeModel?: string;
   openrouterModel?: string;
   activeImageProvider?: 'gemini' | 'openai';
+  openaiImageModel?: string;
+  geminiImageModel?: string;
 }
 
 export interface SchoolData {