fix: load trail courses from course manager

pages/TrailDetail.tsx

@@ -1,12 +1,12 @@
 import React, { useEffect, useMemo, useRef, useState } from 'react';
 import { ArrowDown, ArrowLeft, ArrowUp, BookOpen, ExternalLink, Loader2, Pencil, Plus, Save, Trash2, Upload, X } from 'lucide-react';
 import { useNavigate, useParams } from 'react-router-dom';
-import { adminApi, instructorApi, LearningPath, LearningPathInput, TrailCourseOption } from '../services/api';
-import { deleteCourse } from '../services/db';
+import { adminApi, instructorApi, LearningPath, LearningPathInput } from '../services/api';
+import { deleteCourse, getManagedCourses } from '../services/db';
 import { CourseCoverImage } from '../components/CourseCoverImage';
 import { useToast } from '../context/ToastContext';
 
-type CourseOption = TrailCourseOption;
+type CourseOption = { id: string; title: string; status: string; category: string; coverImageUrl: string | null };
 const emptyInput = (): LearningPathInput => ({ title: '', description: '', coverImageUrl: null, coverImageZoom: 1, coverImagePositionX: 50, coverImagePositionY: 50, status: 'draft', courseIds: [] });
 const toInput = (trail: LearningPath): LearningPathInput => ({ title: trail.title, description: trail.description, coverImageUrl: trail.coverImageUrl, coverImageZoom: trail.coverImageZoom, coverImagePositionX: trail.coverImagePositionX, coverImagePositionY: trail.coverImagePositionY, status: trail.status === 'published' ? 'published' : 'draft', courseIds: trail.courses.map((course) => course.id) });
 
@@ -26,8 +26,14 @@ export const TrailDetail: React.FC = () => {
   const load = async () => {
     setIsLoading(true);
     try {
-      const [pathsResponse, coursesResponse] = await Promise.all([adminApi.listPaths(), adminApi.listPathCourses()]);
-      setCourses(coursesResponse.data);
+      const [pathsResponse, managedCourses] = await Promise.all([adminApi.listPaths(), getManagedCourses()]);
+      setCourses(managedCourses.map((course) => ({
+        id: course.id,
+        title: course.title,
+        status: course.status || 'draft',
+        category: course.category,
+        coverImageUrl: course.thumbnail || null,
+      })));
       if (!isNew) {
         const found = pathsResponse.data.find((item) => item.id === trailId);
         if (!found) { showToast('Trilha não encontrada.', 'error'); navigate('/admin'); return; }

server/src/app.ts

@@ -43,7 +43,10 @@ export function buildApp() {
 
   app.setErrorHandler((error, _request, reply) => {
     if (error instanceof ZodError) {
-      return reply.code(400).send({ error: 'Dados inválidos.', details: error.flatten() });
+      return reply.code(400).send({
+        error: error.issues[0]?.message || 'Dados inválidos.',
+        details: error.flatten(),
+      });
     }
 
     app.log.error(error);