完善后台管理与测试支撑

1、为后台用户列表增加关键词和状态筛选，后端同步支持过滤与总数统计。

2、创建用户时要求填写初始密码，并补充前端校验和自动填充隔离。

3、优化项目管理列表角色展示、项目详情抽屉脏数据保护和审计详情抽屉关闭体验。

4、清理旧费用附件关联、统一测试模型注册，并更新迁移端点和注册筛选测试。

frontend/src/views/admin/Projects.vue

@@ -63,8 +63,8 @@
 
       <!-- 项目表格 -->
       <div class="unified-section project-table-section">
-        <el-table :data="projects" v-loading="loading" class="project-table" table-layout="fixed">
-          <el-table-column :label="TEXT.common.fields.projectName" min-width="220">
+        <el-table :data="projects" v-loading="loading" class="project-table" style="width: 100%" table-layout="fixed">
+          <el-table-column :label="TEXT.common.fields.projectName">
             <template #default="scope">
               <div class="project-cell">
                 <div class="project-icon" :class="'icon--' + (scope.row.status || 'draft').toLowerCase()">
@@ -86,7 +86,12 @@
               <span class="text-muted">{{ scope.row.protocol_no || '-' }}</span>
             </template>
           </el-table-column>
-          <el-table-column :label="TEXT.common.fields.status" width="110" align="center">
+          <el-table-column v-if="!isAdmin" label="我的角色" align="center">
+            <template #default="scope">
+              <span class="role-badge">{{ roleLabel(scope.row.role_in_study) || '-' }}</span>
+            </template>
+          </el-table-column>
+          <el-table-column :label="TEXT.common.fields.status" align="center">
             <template #default="scope">
               <span class="status-badge" :class="'badge--' + (scope.row.status || 'draft').toLowerCase()">
                 <span class="badge-dot"></span>
@@ -94,7 +99,7 @@
               </span>
             </template>
           </el-table-column>
-          <el-table-column label="锁定状态" width="100" align="center">
+          <el-table-column label="锁定状态" align="center">
             <template #default="scope">
               <span v-if="scope.row.is_locked" class="lock-indicator locked">
                 <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" width="13" height="13">
@@ -112,7 +117,7 @@
               </span>
             </template>
           </el-table-column>
-          <el-table-column :label="TEXT.common.labels.actions" width="200" align="center" fixed="right">
+          <el-table-column :label="TEXT.common.labels.actions" align="center">
             <template #default="scope">
               <div class="action-row">
                 <el-tooltip v-if="canProject(scope.row, 'project_members', 'read')" :content="TEXT.modules.adminProjects.members" placement="top">
@@ -159,6 +164,7 @@ import { useStudyStore } from "../../store/study";
 import { useAuthStore } from "../../store/auth";
 import { isSystemAdmin } from "../../utils/roles";
 import { isApiPermissionAllowed } from "../../utils/apiPermissionValue";
+import { useRoleTemplateMeta } from "../../composables/useRoleTemplateMeta";
 import { TEXT } from "../../locales";
 
 const projects = ref<Study[]>([]);
@@ -170,11 +176,11 @@ const studyStore = useStudyStore();
 const auth = useAuthStore();
 const isAdmin = computed(() => isSystemAdmin(auth.user));
 const permissionsByProject = ref<Record<string, ApiEndpointPermissionsResponse>>({});
+const { roleLabel, loadRoleTemplates } = useRoleTemplateMeta();
 
 const activeProjectCount = computed(() => projects.value.filter(p => p.status === 'ACTIVE').length);
 const draftProjectCount = computed(() => projects.value.filter(p => p.status === 'DRAFT').length);
 const lockedProjectCount = computed(() => projects.value.filter(p => p.is_locked).length);
-
 const loadProjects = async () => {
   loading.value = true;
   try {
@@ -208,7 +214,7 @@ const openCreate = () => {
 };
 
 const MODULE_TO_OPERATION: Record<string, Record<string, string>> = {
-  project_members: { read: "project_members:list", write: "project_members:update" },
+  project_members: { read: "project_members:read", write: "project_members:update" },
   sites: { read: "sites:read", write: "sites:update" },
   audit_export: { read: "audit_logs:read", write: "audit_logs:export" },
   setup_config: { read: "setup_config:read", write: "setup_config:update" },
@@ -346,6 +352,7 @@ const statusLabel = (status: string) =>
   TEXT.enums.projectStatus[status as keyof typeof TEXT.enums.projectStatus] || status;
 
 onMounted(() => {
+  loadRoleTemplates().catch(() => {});
   loadProjects();
 });
 </script>
@@ -471,6 +478,25 @@ onMounted(() => {
   font-size: 13px;
 }
 
+.role-badge {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  min-width: 64px;
+  max-width: 104px;
+  min-height: 28px;
+  padding: 4px 10px;
+  border-radius: 6px;
+  background: var(--ctms-neutral-100);
+  color: var(--ctms-text-primary);
+  font-size: 12px;
+  font-weight: 600;
+  line-height: 1.2;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
 /* 状态徽章 */
 .status-badge {
   display: inline-flex;