完善合同气瓶绑定引导

frontend/platform_admin/src/views/resource/ResourceFieldForm.vue

@@ -1,6 +1,6 @@
 <!--
   功能：渲染标准资源的新建、编辑和业务动作字段控件。
-  版本：v1.3.0
+  版本：v1.4.0
 -->
 <template>
   <div class="field-grid">
@@ -114,7 +114,17 @@
             }}
           </a-option>
           <template #empty>
-            <div class="relation-empty">{{ relationEmptyText(field) }}</div>
+            <div class="relation-empty">
+              <span>{{ relationEmptyText(field) }}</span>
+              <a-button
+                v-if="field.relationEmptyAction && !relationRequiresParent(field)"
+                type="text"
+                size="mini"
+                @click.stop="navigateRelationEmptyAction(field)"
+              >
+                {{ field.relationEmptyAction.label }}
+              </a-button>
+            </div>
           </template>
         </a-select>
         <div
@@ -137,6 +147,7 @@
 
 <script setup lang="ts">
 import { computed } from 'vue';
+import { useRouter } from 'vue-router';
 import { relationOptionLabel } from '@/api/resource-display';
 import { dynamicRelationResource, type ResourceField } from '@/api/resources';
 import type { ResourceRow } from '@/api/resource-page-rules';
@@ -181,6 +192,7 @@ const emit = defineEmits<{
   'preview-attachment': [];
 }>();
 const model = defineModel<Record<string, any>>({ required: true });
+const router = useRouter();
 const disabledSet = computed(() => new Set(props.disabledKeys));
 
 function isWide(field: ResourceField) {
@@ -267,6 +279,12 @@ function relationEmptyText(field: ResourceField) {
   return field.relationEmptyText ?? '暂无数据';
 }
 
+/** 从空候选引导直接进入对应管理页面，避免管理员只能猜测前置操作。 */
+function navigateRelationEmptyAction(field: ResourceField) {
+  if (!field.relationEmptyAction) return;
+  void router.push({ name: field.relationEmptyAction.routeName });
+}
+
 /** 为历史未知编码补充只读选项，避免下拉框退回显示原始值。 */
 function selectOptions(field: ResourceField) {
   const options = [...(field.options ?? [])];
@@ -309,6 +327,15 @@ function selectOptions(field: ResourceField) {
   display: grid;
   gap: 6px;
 }
+.relation-empty {
+  display: grid;
+  justify-items: center;
+  gap: 4px;
+  padding: 8px 12px;
+  color: var(--color-text-3);
+  text-align: center;
+  white-space: normal;
+}
 .relation-identity {
   display: flex;
   gap: 8px;