修复工作人员资质关联与角色过滤

按安装、配送、运维菜单显式过滤工作人员，锁定资质所有者并使用姓名和角色回显。

扩展工作人员状态与多角色查询，补充权限校验、回归测试、操作日志和项目文档。

frontend/platform_admin/src/views/resource/use-resource-relation-linkage.ts

@@ -57,10 +57,11 @@ export function useResourceRelationLinkage(
   }
 
   async function reloadChildOptions() {
-    const resource = active?.childField.relation;
+    const childField = active?.childField;
+    const resource = childField?.relation;
     if (!resource) return;
     relations.cancelSearch(resource);
-    await relations.load(resource, '', childRequest());
+    await relations.loadField(childField, '', childRequest());
   }
 
   /** 预加载普通关联项，并单独按父级条件加载启用联动的子选项。 */
@@ -69,6 +70,7 @@ export function useResourceRelationLinkage(
     configure(fields);
     if (!active?.childField.relationLinkage || !active.childField.relation) {
       await relations.preload(fields);
+      await relations.ensureValues(fields, form);
       initialized = true;
       return;
     }
@@ -108,11 +110,7 @@ export function useResourceRelationLinkage(
         return;
       }
       if (
-        shouldClearLinkedOption(
-          parentIdentity,
-          option,
-          linkage.optionParentKey,
-        )
+        shouldClearLinkedOption(parentIdentity, option, linkage.optionParentKey)
       ) {
         form[active.childField.key] = '';
         Message.info('所属气站已变更，请重新选择配送点');
@@ -169,10 +167,10 @@ export function useResourceRelationLinkage(
   function search(field: ResourceField, keyword: string) {
     if (!field.relation) return;
     if (field.key === active?.childField.key) {
-      relations.search(field.relation, keyword, childRequest());
+      relations.searchField(field, keyword, childRequest());
       return;
     }
-    relations.search(field.relation, keyword);
+    relations.searchField(field, keyword);
   }
 
   /** 返回保存前的父子关系错误，空字符串代表当前组合可提交。 */