统一智能气阀空归属展示

库房、气站、配送点和用户归属为空时统一显示未填写，保留归属互斥与接口规则，并补充专项检查、中文操作日志及项目文档。

frontend/platform_admin/scripts/check-product-ownership-display.mjs

@@ -0,0 +1,23 @@
+/**
+ * 功能：检查智能气阀四类可选归属的空值文案保持一致。
+ * 版本：v1.0.0
+ */
+import { readFile } from 'node:fs/promises';
+import { fileURLToPath } from 'node:url';
+
+const resourcesUrl = new URL('../src/api/resources.ts', import.meta.url);
+const source = await readFile(fileURLToPath(resourcesUrl), 'utf8');
+const ownershipRelations = [
+  "relation('warehouse_identity', '/product_warehouse', false, { emptyText: '未填写' })",
+  "relation('gas_basic_identity', '/gas_basic', false, { emptyText: '未填写' })",
+  "relation('delivery_basic_identity', '/delivery_basic', false, { emptyText: '未填写' })",
+  "relation('user_account_identity', '/user_account', false, { emptyText: '未填写' })",
+];
+
+for (const relation of ownershipRelations) {
+  if (!source.includes(relation)) {
+    throw new Error(`智能气阀归属空值文案配置缺失：${relation}`);
+  }
+}
+
+console.log('智能气阀归属展示检查通过：四类空归属统一显示“未填写”。');