feat: add commands to list and set image models in AI service

src/commands/messages/AI/aimodels.ts

@@ -0,0 +1,43 @@
+import { CommandMessage } from "../../../core/types/commands";
+import { aiService } from "../../../core/services/AIService";
+import logger from "../../../core/lib/logger";
+
+export const command: CommandMessage = {
+    name: 'aimodels',
+    type: 'message',
+    aliases: ['listmodels'],
+    cooldown: 10,
+    description: 'Lista modelos de imagen disponibles y muestra el actual.',
+    category: 'IA',
+    usage: 'aimodels',
+    run: async (message, args) => {
+        try {
+            const models = await aiService.listImageModels();
+            const current = (aiService as any).imageModelName || 'No detectado';
+            
+            if (models.length === 0) {
+                await message.reply({
+                    content: `**Modelos de imagen disponibles:** Ninguno detectado
+**Modelo actual:** ${current}
+
+Para usar un modelo específico:
+\`GENAI_IMAGE_MODEL=imagen-3.0-fast\``
+                });
+                return;
+            }
+
+            const modelList = models.map(m => `• ${m}`).join('\n');
+            await message.reply({
+                content: `**Modelos de imagen disponibles:**
+${modelList}
+
+**Modelo actual:** ${current}
+
+Para cambiar: \`GENAI_IMAGE_MODEL=nombre_del_modelo\``
+            });
+        } catch (error: any) {
+            logger.error(error, 'Error listando modelos');
+            await message.reply({ content: `❌ Error: ${error?.message || 'Error desconocido'}` });
+        }
+    }
+};

src/commands/messages/AI/setimagemodel.ts

@@ -0,0 +1,33 @@
+import { CommandMessage } from "../../../core/types/commands";
+import { aiService } from "../../../core/services/AIService";
+import logger from "../../../core/lib/logger";
+
+export const command: CommandMessage = {
+    name: 'setimagemodel',
+    type: 'message',
+    aliases: ['setmodel'],
+    cooldown: 5,
+    description: 'Establece el modelo de imágenes manualmente.',
+    category: 'IA',
+    usage: 'setimagemodel <modelo>',
+    run: async (message, args) => {
+        try {
+            if (!args || args.length === 0) {
+                await message.reply({
+                    content: 'Uso: setimagemodel <modelo>\nEjemplo: setimagemodel imagen-3.0-fast'
+                });
+                return;
+            }
+
+            const model = args.join(' ').trim();
+            (aiService as any).setImageModel(model);
+            
+            await message.reply({
+                content: `✅ Modelo de imágenes establecido: \`${model}\`\nPrueba con: \`aiimg un gato astronauta\``
+            });
+        } catch (error: any) {
+            logger.error(error, 'Error estableciendo modelo');
+            await message.reply({ content: `❌ Error: ${error?.message || 'Error desconocido'}` });
+        }
+    }
+};