feat(web-admin): mount instance comment panel on OA detail views

Co-authored-by: Cursor <cursoragent@cursor.com>

web-admin/src/components/oa-approval/OaInstanceDetailDialog.vue

@@ -33,6 +33,15 @@
           <pre v-else-if="!loading" class="oa-detail-dlg__json">{{ prettyForm }}</pre>
         </div>
       </section>
+      <section class="oa-detail-dlg__section">
+        <OaCommentPanel
+          v-if="detail?.id"
+          :instance-id="detail.id"
+          :instance-status="detail.status || ''"
+          :comments="detail.comments || []"
+          @refresh="load"
+        />
+      </section>
       <section class="oa-detail-dlg__section oa-detail-dlg__section--progress">
         <OaProgressChain :items="timelineItems" />
       </section>
@@ -51,6 +60,7 @@
   import { Close } from '@element-plus/icons-vue'
   import { ElMessage } from 'element-plus'
   import { fetchOaInstanceDetail } from '@/api/oaApproval'
+  import OaCommentPanel from '@/components/oa-approval/OaCommentPanel.vue'
   import OaProgressChain from '@/components/oa-approval/OaProgressChain.vue'
   import {
     OA_FC_DEFAULT_GUTTER,