feat: refine subject visits and project workflows

Add early termination visit workflow with ordering, non-applicable visit handling, visit window display, and medication adherence support.

Extend monitoring visit issue template fields, site scoping, setup draft project info handling, login security UI, attachment behavior, and related tests/migrations.

frontend/src/components/FaqCategoryForm.vue

@@ -101,9 +101,6 @@ const onSubmit = async () => {
       sort_order: form.sort_order,
       is_active: form.is_active,
     };
-    console.log('[FaqCategoryForm] payload:', payload);
-    console.log('[FaqCategoryForm] isEdit:', isEdit.value);
-    console.log('[FaqCategoryForm] study.currentStudy:', study.currentStudy);
     if (isEdit.value && props.category) {
       await updateFaqCategory(props.category.id, payload);
     } else {

frontend/src/components/attachments/AttachmentList.vue

@@ -45,7 +45,7 @@
     </el-table>
   </div>
 
-  <el-dialog append-to=".layout-main .content-wrapper" v-model="previewVisible" :title="previewTitle" width="720px" :close-on-click-modal="false">
+  <el-dialog v-if="previewVisible" append-to-body v-model="previewVisible" :title="previewTitle" width="720px" :close-on-click-modal="false">
     <div v-if="previewError" class="preview-error">
       {{ previewError }}
     </div>