修复智能气阀归属互斥选择

选择任一新归属时自动清空其他归属，保留提交防御校验和审计接口，并补充专项检查、中文操作日志及项目文档。

frontend/platform_admin/package.json

@@ -22,6 +22,7 @@
     "staff-organization:check": "node scripts/check-staff-organization-linkage.mjs",
     "staff-relations:check": "node scripts/check-staff-relation-policy.mjs",
     "user-address-display:check": "node scripts/check-user-address-relation-display.mjs",
+    "product-ownership:check": "node scripts/check-product-ownership-action.mjs",
     "resource-search:check": "node scripts/check-resource-search.mjs",
     "audit:platform": "node scripts/check-backend-contract.mjs",
     "lint": "biome lint .",