feat: 문의사항 상세에서 글(본문) 수정 기능

- 의견 내용 패널에 '수정' 토글 → 본문 편집·저장(계정 스코프·2000자 제한)

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

app/Config/Routes.php

@@ -258,6 +258,7 @@ $routes->group('admin', ['filter' => 'adminAuth'], static function ($routes): vo
     $routes->get('feedback/file/(:num)', 'Admin\Feedback::file/$1');
     $routes->get('feedback/(:num)', 'Admin\Feedback::show/$1');
     $routes->post('feedback/(:num)/status', 'Admin\Feedback::updateStatus/$1');
+    $routes->post('feedback/(:num)/content', 'Admin\Feedback::updateContent/$1');
     $routes->get('/', 'Admin\Dashboard::index');
     $routes->get('users', 'Admin\User::index');
     $routes->get('users/create', 'Admin\User::create');

app/Controllers/Admin/Feedback.php

@@ -142,6 +142,30 @@ class Feedback extends BaseController
         return redirect()->to(site_url('admin/feedback/' . $id))->with('success', '처리 상태를 저장했습니다.');
     }
 
+    /** 문의 글(본문) 수정 */
+    public function updateContent(int $id): ResponseInterface
+    {
+        $model = model(FeedbackModel::class);
+        $row   = $model->find($id);
+        $scope = $this->scopeLgIdx();
+        if ($row === null || ($scope !== null && (int) $row->fb_lg_idx !== $scope)) {
+            return redirect()->to(site_url('admin/feedback'))->with('error', '의견을 찾을 수 없습니다.');
+        }
+
+        $content = trim((string) $this->request->getPost('fb_content'));
+        if ($content === '') {
+            return redirect()->to(site_url('admin/feedback/' . $id))->with('error', '내용을 입력해 주세요.');
+        }
+        $model->update($id, ['fb_content' => mb_substr($content, 0, 2000)]);
+
+        $returnTo = (string) $this->request->getPost('return_to');
+        if ($returnTo === 'all') {
+            return redirect()->to(site_url('admin/feedback/all') . '#fb-' . $id)->with('success', '문의 내용을 수정했습니다.');
+        }
+
+        return redirect()->to(site_url('admin/feedback/' . $id))->with('success', '문의 내용을 수정했습니다.');
+    }
+
     /** 스크린샷 이미지 서빙 (관리자만, writable 보호 유지) */
     public function image(int $id): ResponseInterface
     {

app/Views/admin/feedback/show.php

@@ -20,9 +20,24 @@ use App\Models\FeedbackModel;
 
 <div class="grid grid-cols-1 lg:grid-cols-2 gap-3 mt-2">
   <section class="border border-gray-300 rounded-lg overflow-hidden">
-    <div class="px-3 py-2 border-b bg-gray-50 text-sm font-semibold text-gray-700">의견 내용</div>
+    <div class="px-3 py-2 border-b bg-gray-50 text-sm font-semibold text-gray-700 flex items-center justify-between">
+      <span>의견 내용</span>
+      <button type="button" id="fb-content-edit-btn" class="text-xs font-medium text-blue-600 hover:underline">수정</button>
+    </div>
     <div class="p-3 space-y-2 text-sm">
+      <!-- 보기 모드 -->
+      <div id="fb-content-view">
         <p class="whitespace-pre-wrap text-gray-800"><?= esc((string) $row->fb_content) ?></p>
+      </div>
+      <!-- 수정 모드 -->
+      <form id="fb-content-edit" action="<?= site_url('admin/feedback/' . (int) $row->fb_idx . '/content') ?>" method="post" class="hidden">
+        <?= csrf_field() ?>
+        <textarea name="fb_content" rows="6" maxlength="2000" class="w-full border border-gray-300 rounded px-2 py-1.5 text-sm"><?= esc((string) $row->fb_content) ?></textarea>
+        <div class="flex gap-2 mt-2">
+          <button type="submit" class="bg-btn-search text-white px-4 py-1.5 rounded-sm text-sm">수정 저장</button>
+          <button type="button" id="fb-content-cancel" class="bg-gray-200 text-gray-700 px-4 py-1.5 rounded-sm text-sm hover:bg-gray-300">취소</button>
+        </div>
+      </form>
       <hr class="my-2"/>
       <?php
         // 화면 URL — embed 파라미터를 떼고 전체 화면 절대 URL로 변환(클릭 시 해당 화면으로 바로 이동).
@@ -91,3 +106,21 @@ use App\Models\FeedbackModel;
 </section>
 <?php endif; ?>
 </div><!-- /.fb-selectable -->
+
+<script>
+(function () {
+  var btn = document.getElementById('fb-content-edit-btn');
+  var view = document.getElementById('fb-content-view');
+  var edit = document.getElementById('fb-content-edit');
+  var cancel = document.getElementById('fb-content-cancel');
+  if (!btn || !view || !edit) return;
+  var show = function (editing) {
+    view.classList.toggle('hidden', editing);
+    edit.classList.toggle('hidden', !editing);
+    btn.classList.toggle('hidden', editing);
+    if (editing) { var ta = edit.querySelector('textarea'); if (ta) ta.focus(); }
+  };
+  btn.addEventListener('click', function () { show(true); });
+  if (cancel) cancel.addEventListener('click', function () { show(false); });
+})();
+</script>