diff --git a/frontend/package.json b/frontend/package.json
index 788682b..f684c10 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -1,7 +1,7 @@
 {
   "name": "checklist-frontend",
   "private": true,
-  "version": "1.0.89",
+  "version": "1.0.90",
   "type": "module",
   "scripts": {
     "dev": "vite",
diff --git a/frontend/public/service-worker.js b/frontend/public/service-worker.js
index 8886a97..778ea53 100644
--- a/frontend/public/service-worker.js
+++ b/frontend/public/service-worker.js
@@ -1,6 +1,6 @@
 // Service Worker para PWA con detección de actualizaciones
 // IMPORTANTE: Actualizar esta versión cada vez que se despliegue una nueva versión
-const CACHE_NAME = 'ayutec-v1.0.89';
+const CACHE_NAME = 'ayutec-v1.0.90';
 const urlsToCache = [
   '/',
   '/index.html'
diff --git a/frontend/src/App.jsx b/frontend/src/App.jsx
index 3ccc4b9..2aa95c1 100644
--- a/frontend/src/App.jsx
+++ b/frontend/src/App.jsx
@@ -4921,8 +4921,8 @@ function InspectionModal({ checklist, existingInspection, user, onClose, onCompl
               </div>
 
               <div className="space-y-3 sm:space-y-4">
-                {/* Answer input based on type - NO mostrar para photo_only */}
-                {currentQuestion.options?.type !== 'photo_only' && (
+                {/* Answer input based on type - NO mostrar para photo_only ni ai_assistant */}
+                {currentQuestion.options?.type !== 'photo_only' && currentQuestion.options?.type !== 'ai_assistant' && (
                   <div>
                     <label className="block text-sm font-medium text-gray-700 mb-2">
                       Respuesta *
@@ -4942,8 +4942,47 @@ function InspectionModal({ checklist, existingInspection, user, onClose, onCompl
                   </div>
                 )}
 
-                {/* Observations - NO mostrar para photo_only */}
-                {currentQuestion.options?.type !== 'photo_only' && (
+                {/* Botón de Chat IA - Mostrar SIEMPRE si es tipo ai_assistant */}
+                {currentQuestion.options?.type === 'ai_assistant' && (
+                  <div>
+                    <QuestionAnswerInput
+                      question={currentQuestion}
+                      value={answers[currentQuestion.id]?.value}
+                      onChange={(newValue) => {
+                        setAnswers(prev => ({
+                          ...prev,
+                          [currentQuestion.id]: { ...prev[currentQuestion.id], value: newValue }
+                        }))
+                      }}
+                      onSave={() => setTimeout(() => saveAnswer(currentQuestion.id), 500)}
+                    />
+                    
+                    <button
+                      type="button"
+                      onClick={() => {
+                        setShowAIChat(true)
+                        // Cargar historial si existe
+                        if (answers[currentQuestion.id]?.chatHistory) {
+                          setAiChatMessages(answers[currentQuestion.id].chatHistory)
+                        }
+                      }}
+                      className="w-full mt-3 px-4 py-3 bg-gradient-to-r from-purple-600 to-blue-600 text-white rounded-lg hover:from-purple-700 hover:to-blue-700 transition flex items-center justify-center gap-2 font-semibold shadow-lg"
+                    >
+                      <span>💬</span>
+                      <span>Consultar Asistente IA</span>
+                      {answers[currentQuestion.id]?.chatHistory?.length > 0 && (
+                        <span className="ml-1 px-2 py-0.5 bg-white/20 rounded-full text-xs">
+                          {answers[currentQuestion.id].chatHistory.length} mensajes
+                        </span>
+                      )}
+                    </button>
+                  </div>
+                )}
+
+                {/* Observations - Mostrar solo si show_observations !== false */}
+                {currentQuestion.options?.type !== 'photo_only' && 
+                 currentQuestion.options?.type !== 'ai_assistant' &&
+                 currentQuestion.options?.show_observations !== false && (
                   <div>
                     <label className="block text-sm font-medium text-gray-700 mb-2">
                       Observaciones (opcional)
@@ -5024,8 +5063,9 @@ function InspectionModal({ checklist, existingInspection, user, onClose, onCompl
                           ))}
                         </div>
                         
-                        {/* Analyze Button */}
-                        {(checklist.ai_mode === 'assisted' || checklist.ai_mode === 'full') && (
+                        {/* Analyze Button - Solo para ai_mode assisted/full y NO para ai_assistant */}
+                        {(checklist.ai_mode === 'assisted' || checklist.ai_mode === 'full') && 
+                         currentQuestion.options?.type !== 'ai_assistant' && (
                           <button
                             type="button"
                             onClick={() => handleAnalyzePhotos(currentQuestion.id)}
@@ -5045,29 +5085,6 @@ function InspectionModal({ checklist, existingInspection, user, onClose, onCompl
                             )}
                           </button>
                         )}
-
-                        {/* Botón para abrir chat IA (si es tipo ai_assistant) */}
-                        {currentQuestion.options?.type === 'ai_assistant' && (
-                          <button
-                            type="button"
-                            onClick={() => {
-                              setShowAIChat(true)
-                              // Cargar historial si existe
-                              if (answers[currentQuestion.id]?.chatHistory) {
-                                setAiChatMessages(answers[currentQuestion.id].chatHistory)
-                              }
-                            }}
-                            className="w-full mt-3 px-4 py-3 bg-gradient-to-r from-purple-600 to-blue-600 text-white rounded-lg hover:from-purple-700 hover:to-blue-700 transition flex items-center justify-center gap-2 font-semibold shadow-lg"
-                          >
-                            <span>💬</span>
-                            <span>Consultar Asistente IA</span>
-                            {answers[currentQuestion.id]?.chatHistory?.length > 0 && (
-                              <span className="ml-1 px-2 py-0.5 bg-white/20 rounded-full text-xs">
-                                {answers[currentQuestion.id].chatHistory.length} mensajes
-                              </span>
-                            )}
-                          </button>
-                        )}
                       </div>
                     )}
                     
diff --git a/frontend/src/QuestionTypeEditor.jsx b/frontend/src/QuestionTypeEditor.jsx
index a4370ad..6f8dbb1 100644
--- a/frontend/src/QuestionTypeEditor.jsx
+++ b/frontend/src/QuestionTypeEditor.jsx
@@ -197,6 +197,28 @@ export function QuestionTypeEditor({ value, onChange, maxPoints = 1 }) {
         </div>
       </div>
 
+      {/* Opciones Globales */}
+      <div className="bg-blue-50 border border-blue-200 rounded-lg p-4">
+        <h4 className="font-semibold text-blue-900 mb-3 text-sm">⚙️ Opciones Generales</h4>
+        <div className="space-y-2">
+          {/* Checkbox para campo de observaciones */}
+          <label className="flex items-center gap-2 cursor-pointer">
+            <input
+              type="checkbox"
+              checked={config.show_observations !== false}
+              onChange={(e) => updateConfig({ show_observations: e.target.checked })}
+              className="rounded border-gray-300 text-blue-600 focus:ring-blue-500"
+            />
+            <span className="text-sm text-gray-700">
+              📝 Mostrar campo de observaciones al mecánico
+            </span>
+          </label>
+          <p className="text-xs text-gray-500 ml-6">
+            Si está marcado, el mecánico podrá agregar notas adicionales en esta pregunta
+          </p>
+        </div>
+      </div>
+
       {/* Configuración específica según tipo */}
       <div className="bg-gray-50 border border-gray-200 rounded-lg p-4">
         {/* BOOLEAN */}