fix(sign): 补齐模板查询院区参数

clinical-web/src/components/signing/NewSigningTaskDialog.vue

@@ -70,6 +70,7 @@ const {
   visits,
 } = useSigningTaskForm({
   campus: computed(() => appStore.selectedCampus),
+  campusId: computed(() => appStore.selectedCampusId),
   initialTemplate,
 })
 
@@ -165,6 +166,14 @@ watch(
       return
     }
 
+    await appStore.loadCampuses()
+    if (!appStore.selectedCampusId) {
+      ElMessage.error(
+        appStore.campusLoadFailed ? '院区加载失败，无法加载文书模板' : '当前没有可用院区',
+      )
+      return
+    }
+
     resetForm()
     await loadTemplates()
     await nextTick()