UX-2（操作级权限控制）

frontend/src/components/FaqCategoryPanel.vue

@@ -3,7 +3,9 @@
     <div class="header">
       <span>分类</span>
       <div v-if="canMaintain">
-        <el-button type="primary" size="small" @click="openForm()">新建</el-button>
+        <PermissionAction action="faq.edit">
+          <el-button type="primary" size="small" @click="openForm()">新建</el-button>
+        </PermissionAction>
       </div>
     </div>
     <el-menu :default-active="activeCategory" @select="onSelect">
@@ -12,15 +14,16 @@
         <span>{{ c.name }}</span>
         <el-tag v-if="c.study_id" size="small" type="success" class="ml-4">项目</el-tag>
         <el-tag v-else size="small" class="ml-4">全局</el-tag>
-        <el-button
-          v-if="canEdit(c)"
-          type="text"
-          size="small"
-          style="margin-left: auto"
-          @click.stop="openForm(c)"
-        >
-          编辑
-        </el-button>
+        <PermissionAction v-if="canEdit(c)" action="faq.edit">
+          <el-button
+            type="text"
+            size="small"
+            style="margin-left: auto"
+            @click.stop="openForm(c)"
+          >
+            编辑
+          </el-button>
+        </PermissionAction>
       </el-menu-item>
     </el-menu>
     <FaqCategoryForm v-model="showForm" :category="editing" :is-admin="isAdmin" @success="emit('refresh')" />
@@ -33,6 +36,8 @@ import FaqCategoryForm from "./FaqCategoryForm.vue";
 import type { FaqCategory } from "../api/faqs";
 import { useAuthStore } from "../store/auth";
 import { useStudyStore } from "../store/study";
+import PermissionAction from "./PermissionAction.vue";
+import { usePermission } from "../utils/permission";
 
 const props = defineProps<{
   categories: FaqCategory[];
@@ -46,8 +51,9 @@ const study = useStudyStore();
 const showForm = ref(false);
 const editing = ref<FaqCategory | null>(null);
 
+const { can } = usePermission();
 const isAdmin = computed(() => auth.user?.role === "ADMIN");
-const canMaintain = computed(() => isAdmin.value || auth.user?.role === "PM");
+const canMaintain = computed(() => can("faq.edit"));
 
 const sortedCategories = computed(() =>
   [...props.categories].sort((a, b) => (a.sort_order ?? 0) - (b.sort_order ?? 0))
@@ -56,8 +62,9 @@ const sortedCategories = computed(() =>
 const activeCategory = computed(() => props.modelValue || "");
 
 const canEdit = (c: FaqCategory) => {
+  if (!canMaintain.value) return false;
   if (isAdmin.value) return true;
-  return auth.user?.role === "PM" && c.study_id === study.currentStudy?.id;
+  return c.study_id === study.currentStudy?.id;
 };
 
 const onSelect = (id: string) => {

frontend/src/components/FaqList.vue

@@ -16,16 +16,19 @@
     <el-table-column label="操作" width="180">
       <template #default="scope">
         <el-button type="text" size="small" @click="view(scope.row)">查看</el-button>
-        <el-button v-if="canEdit" type="text" size="small" @click="edit(scope.row)">编辑</el-button>
-        <el-button
-          v-if="canEdit"
-          type="text"
-          size="small"
-          @click="toggle(scope.row)"
-          :style="{ color: scope.row.is_active ? '#f56c6c' : '#67c23a' }"
-        >
-          {{ scope.row.is_active ? "停用" : "启用" }}
-        </el-button>
+        <PermissionAction v-if="canEdit" action="faq.edit">
+          <el-button type="text" size="small" @click="edit(scope.row)">编辑</el-button>
+        </PermissionAction>
+        <PermissionAction v-if="canEdit" action="faq.edit">
+          <el-button
+            type="text"
+            size="small"
+            @click="toggle(scope.row)"
+            :style="{ color: scope.row.is_active ? '#f56c6c' : '#67c23a' }"
+          >
+            {{ scope.row.is_active ? "停用" : "启用" }}
+          </el-button>
+        </PermissionAction>
       </template>
     </el-table-column>
   </el-table>
@@ -37,6 +40,7 @@ import { computed } from "vue";
 import { useRouter } from "vue-router";
 import { updateFaqItem } from "../api/faqs";
 import type { FaqItem, FaqCategory } from "../api/faqs";
+import PermissionAction from "./PermissionAction.vue";
 
 const props = defineProps<{
   items: FaqItem[];

frontend/src/components/FinanceStatusActions.vue

@@ -1,63 +1,65 @@
 <template>
   <div class="actions">
-    <el-button
-      v-if="item.status === 'DRAFT' && canSubmit"
-      type="primary"
-      size="small"
-      :loading="loading"
-      @click="change('SUBMITTED')"
-    >
-      提交
-    </el-button>
-    <el-button
-      v-if="item.status === 'SUBMITTED' && canApprove"
-      type="success"
-      size="small"
-      :loading="loading"
-      @click="change('APPROVED')"
-    >
-      审批通过
-    </el-button>
-    <el-button
-      v-if="item.status === 'SUBMITTED' && canApprove"
-      type="danger"
-      size="small"
-      :loading="loading"
-      @click="reject"
-    >
-      驳回
-    </el-button>
-    <el-button
-      v-if="item.status === 'APPROVED' && canPay"
-      type="warning"
-      size="small"
-      :loading="loading"
-      @click="change('PAID')"
-    >
-      确认支付
-    </el-button>
+    <PermissionAction action="finance.create">
+      <el-button
+        v-if="item.status === 'DRAFT'"
+        type="primary"
+        size="small"
+        :loading="loading"
+        @click="change('SUBMITTED')"
+      >
+        提交
+      </el-button>
+    </PermissionAction>
+    <PermissionAction action="finance.approve">
+      <el-button
+        v-if="item.status === 'SUBMITTED'"
+        type="success"
+        size="small"
+        :loading="loading"
+        @click="change('APPROVED')"
+      >
+        审批通过
+      </el-button>
+    </PermissionAction>
+    <PermissionAction action="finance.approve">
+      <el-button
+        v-if="item.status === 'SUBMITTED'"
+        type="danger"
+        size="small"
+        :loading="loading"
+        @click="reject"
+      >
+        驳回
+      </el-button>
+    </PermissionAction>
+    <PermissionAction action="finance.pay">
+      <el-button
+        v-if="item.status === 'APPROVED'"
+        type="warning"
+        size="small"
+        :loading="loading"
+        @click="change('PAID')"
+      >
+        确认支付
+      </el-button>
+    </PermissionAction>
   </div>
 </template>
 
 <script setup lang="ts">
 import { ElMessage, ElMessageBox } from "element-plus";
-import { computed, ref } from "vue";
+import { ref } from "vue";
 import { changeFinanceStatus } from "../api/finance";
 import { useStudyStore } from "../store/study";
-import { useAuthStore } from "../store/auth";
+import PermissionAction from "./PermissionAction.vue";
 
 const props = defineProps<{ item: any }>();
 const emit = defineEmits(["success"]);
 
 const study = useStudyStore();
-const auth = useAuthStore();
 const loading = ref(false);
 
-const role = computed(() => auth.user?.role);
-const canSubmit = computed(() => role.value === "ADMIN" || role.value === "PM" || role.value === "CRA");
-const canApprove = computed(() => role.value === "ADMIN" || role.value === "PM");
-const canPay = canApprove;
-
 const change = async (status: string, reject_reason?: string) => {
   if (!study.currentStudy) return;
   loading.value = true;

frontend/src/components/PermissionAction.vue

@@ -0,0 +1,37 @@
+<template>
+  <el-tooltip v-if="!allowed && tooltip" :content="reason" placement="top">
+    <span class="perm-wrapper perm-disabled">
+      <slot />
+    </span>
+  </el-tooltip>
+  <span v-else-if="!allowed" class="perm-wrapper perm-disabled">
+    <slot />
+  </span>
+  <span v-else class="perm-wrapper">
+    <slot />
+  </span>
+</template>
+
+<script setup lang="ts">
+import { computed } from "vue";
+import { usePermission } from "../utils/permission";
+
+const props = defineProps<{
+  action: string;
+  tooltip?: boolean;
+}>();
+
+const { can, reason: reasonFn } = usePermission();
+const allowed = computed(() => can(props.action));
+const reason = computed(() => reasonFn(props.action));
+</script>
+
+<style scoped>
+.perm-wrapper {
+  display: inline-block;
+}
+.perm-disabled {
+  opacity: 0.55;
+  pointer-events: none;
+}
+</style>

frontend/src/store/study.ts

@@ -3,13 +3,20 @@ import { ref } from "vue";
 import type { Study } from "../types/api";
 
 const STUDY_KEY = "ctms_current_study";
+const STUDY_ROLE_KEY = "ctms_current_study_role";
 
 export const useStudyStore = defineStore("study", () => {
   const currentStudy = ref<Study | null>(null);
+  const currentStudyRole = ref<string | null>(null);
 
   const setCurrentStudy = (study: Study) => {
     currentStudy.value = study;
+    const role = (study as any).role_in_study || (study as any).role || null;
+    currentStudyRole.value = role;
     localStorage.setItem(STUDY_KEY, JSON.stringify(study));
+    if (role) {
+      localStorage.setItem(STUDY_ROLE_KEY, role);
+    }
   };
 
   const loadCurrentStudy = () => {
@@ -21,16 +28,31 @@ export const useStudyStore = defineStore("study", () => {
         currentStudy.value = null;
       }
     }
+    const savedRole = localStorage.getItem(STUDY_ROLE_KEY);
+    currentStudyRole.value = savedRole || null;
   };
 
   const clearCurrentStudy = () => {
     currentStudy.value = null;
+    currentStudyRole.value = null;
     localStorage.removeItem(STUDY_KEY);
+    localStorage.removeItem(STUDY_ROLE_KEY);
+  };
+
+  const setCurrentStudyRole = (role: string | null) => {
+    currentStudyRole.value = role;
+    if (role) {
+      localStorage.setItem(STUDY_ROLE_KEY, role);
+    } else {
+      localStorage.removeItem(STUDY_ROLE_KEY);
+    }
   };
 
   return {
     currentStudy,
+    currentStudyRole,
     setCurrentStudy,
+    setCurrentStudyRole,
     loadCurrentStudy,
     clearCurrentStudy,
   };

frontend/src/utils/permission.ts

@@ -1,6 +1,62 @@
-// 预留权限工具，可在后续基于 role 与项目内角色实现细粒度控制
-export const hasPermission = (requiredRoles: string[], userRole?: string): boolean => {
-  if (!requiredRoles.length) return true;
-  if (!userRole) return false;
-  return requiredRoles.includes(userRole);
+import { computed } from "vue";
+import { useAuthStore } from "../store/auth";
+import { useStudyStore } from "../store/study";
+
+const PERMISSIONS: Record<string, string[]> = {
+  "task.create": ["ADMIN", "PM"],
+  "task.edit": ["ADMIN", "PM"],
+  "milestone.create": ["ADMIN", "PM"],
+  "subject.create": ["ADMIN", "PM", "CRA"],
+  "subject.enroll": ["ADMIN", "PM", "CRA"],
+  "subject.complete": ["ADMIN", "PM", "CRA"],
+  "subject.drop": ["ADMIN", "PM", "CRA"],
+  "ae.create": ["ADMIN", "PM", "CRA", "PV"],
+  "ae.close": ["ADMIN", "PM", "PV", "CRA"],
+  "issue.create": ["ADMIN", "PM", "PV"],
+  "issue.close": ["ADMIN", "PM", "PV"],
+  "finance.create": ["ADMIN", "PM", "CRA"],
+  "finance.approve": ["ADMIN", "PM"],
+  "finance.pay": ["ADMIN", "PM"],
+  "imp.transaction": ["ADMIN", "PM", "IMP"],
+  "faq.edit": ["ADMIN", "PM"],
+};
+
+const REASONS: Record<string, string> = {
+  "task.create": "仅项目负责人可以创建任务",
+  "task.edit": "仅项目负责人可以编辑任务",
+  "milestone.create": "仅项目负责人可以维护里程碑",
+  "subject.enroll": "仅 PM/CRA 可更新受试者状态",
+  "subject.complete": "仅 PM/CRA 可更新受试者状态",
+  "subject.drop": "仅 PM/CRA 可更新受试者状态",
+  "ae.close": "仅 PM/PV/ADMIN 可关闭 AE",
+  "finance.approve": "审批需要 PM/ADMIN 权限",
+  "finance.pay": "支付确认需要 PM/ADMIN 权限",
+  "imp.transaction": "仅 IMP/PM/ADMIN 可操作台账",
+  "faq.edit": "仅 PM/ADMIN 可维护 FAQ",
+};
+
+export const usePermission = () => {
+  const auth = useAuthStore();
+  const study = useStudyStore();
+
+  const userRole = computed(() => auth.user?.role || null);
+  const projectRole = computed(() => study.currentStudyRole || (study.currentStudy as any)?.role_in_study || null);
+
+  const can = (action: string): boolean => {
+    if (userRole.value === "ADMIN") return true;
+    const allowList = PERMISSIONS[action];
+    if (!allowList) return false;
+    if (!projectRole.value) return false;
+    return allowList.includes(projectRole.value);
+  };
+
+  const reason = (action: string): string => {
+    if (userRole.value === "ADMIN") return "";
+    return REASONS[action] || "当前角色无权执行该操作";
+  };
+
+  return {
+    can,
+    reason,
+  };
 };

frontend/src/views/AeDetail.vue

@@ -6,9 +6,11 @@
           <h3>AE 详情</h3>
           <p>{{ ae.term }}</p>
         </div>
-        <el-button v-if="canClose" :type="ae.status === 'CLOSED' ? 'primary' : 'danger'" size="small" @click="toggleClose">
-          {{ ae.status === "CLOSED" ? "重新打开" : "关闭" }}
-        </el-button>
+        <PermissionAction action="ae.close">
+          <el-button :type="ae.status === 'CLOSED' ? 'primary' : 'danger'" size="small" @click="toggleClose">
+            {{ ae.status === "CLOSED" ? "重新打开" : "关闭" }}
+          </el-button>
+        </PermissionAction>
       </div>
       <el-descriptions :column="2" border>
         <el-descriptions-item label="受试者ID">{{ ae.subject_id }}</el-descriptions-item>
@@ -43,6 +45,8 @@ import { useStudyStore } from "../store/study";
 import { useAuthStore } from "../store/auth";
 import CommentList from "../components/CommentList.vue";
 import AttachmentList from "../components/AttachmentList.vue";
+import PermissionAction from "../components/PermissionAction.vue";
+import { usePermission } from "../utils/permission";
 
 const route = useRoute();
 const study = useStudyStore();
@@ -51,10 +55,8 @@ const auth = useAuthStore();
 const ae = ref<any | null>(null);
 const studyId = computed(() => study.currentStudy?.id || "");
 
-const canClose = computed(() => {
-  // CRA 也显示按钮，后端会校验权限
-  return true;
-});
+const { can } = usePermission();
+const canClose = computed(() => can("ae.close"));
 
 const enrichOverdue = (item: any) => {
   if (!item) return item;

frontend/src/views/Faq.vue

@@ -25,7 +25,9 @@
             </el-select>
             <el-switch v-model="onlyActive" active-text="仅启用" @change="loadFaqs" />
             <div class="spacer" />
-            <el-button type="primary" v-if="canEdit" @click="openForm()">新建 FAQ</el-button>
+            <PermissionAction action="faq.edit">
+              <el-button type="primary" @click="openForm()">新建 FAQ</el-button>
+            </PermissionAction>
           </div>
         </el-card>
 
@@ -61,6 +63,8 @@ import FaqList from "../components/FaqList.vue";
 import FaqItemForm from "../components/FaqItemForm.vue";
 import { useAuthStore } from "../store/auth";
 import { useStudyStore } from "../store/study";
+import PermissionAction from "../components/PermissionAction.vue";
+import { usePermission } from "../utils/permission";
 
 const auth = useAuthStore();
 const study = useStudyStore();
@@ -78,10 +82,8 @@ const activeCategory = ref("");
 const showForm = ref(false);
 const editing = ref<any | null>(null);
 
-const canEdit = computed(() => {
-  const role = auth.user?.role;
-  return role === "ADMIN" || role === "PM";
-});
+const { can } = usePermission();
+const canEdit = computed(() => can("faq.edit"));
 
 const loadCategories = async () => {
   try {

frontend/src/views/Finance.vue

@@ -25,7 +25,9 @@
           @change="loadList"
         />
         <div class="spacer" />
-        <el-button type="primary" v-if="canCreate" @click="showForm = true">新建费用</el-button>
+        <PermissionAction action="finance.create">
+          <el-button type="primary" @click="showForm = true">新建费用</el-button>
+        </PermissionAction>
       </div>
     </el-card>
 
@@ -71,6 +73,8 @@ import FinanceForm from "../components/FinanceForm.vue";
 import { fetchFinanceItems, fetchFinanceSummary } from "../api/finance";
 import { useStudyStore } from "../store/study";
 import { useAuthStore } from "../store/auth";
+import PermissionAction from "../components/PermissionAction.vue";
+import { usePermission } from "../utils/permission";
 
 const study = useStudyStore();
 const auth = useAuthStore();
@@ -95,10 +99,8 @@ const categories = ["SITE_FEE", "SUBJECT_STIPEND", "TRAVEL", "OTHER"];
 
 const showForm = ref(false);
 
-const canCreate = computed(() => {
-  const role = auth.user?.role;
-  return role === "ADMIN" || role === "PM" || role === "CRA";
-});
+const { can } = usePermission();
+const canCreate = computed(() => can("finance.create"));
 
 const formatAmount = (num?: number | string) => {
   const n = Number(num);

frontend/src/views/FinanceDetail.vue

@@ -7,7 +7,9 @@
           <el-tag :type="statusTag(item?.status)">{{ item?.status }}</el-tag>
         </div>
         <div class="header-actions" v-if="item">
-          <el-button v-if="canEditDraft" size="small" @click="showEdit = true">编辑</el-button>
+          <PermissionAction action="finance.create">
+            <el-button v-if="canEditDraft" size="small" @click="showEdit = true">编辑</el-button>
+          </PermissionAction>
           <FinanceStatusActions :item="item" @success="loadItem" />
         </div>
       </div>
@@ -36,9 +38,11 @@ import { useRoute } from "vue-router";
 import { ElMessage } from "element-plus";
 import FinanceStatusActions from "../components/FinanceStatusActions.vue";
 import FinanceForm from "../components/FinanceForm.vue";
+import PermissionAction from "../components/PermissionAction.vue";
 import { fetchFinanceItem } from "../api/finance";
 import { useStudyStore } from "../store/study";
 import { useAuthStore } from "../store/auth";
+import { usePermission } from "../utils/permission";
 
 const study = useStudyStore();
 const auth = useAuthStore();
@@ -47,10 +51,8 @@ const route = useRoute();
 const item = ref<any>(null);
 const loading = ref(false);
 const showEdit = ref(false);
-const canEditDraft = computed(() => {
-  const role = auth.user?.role;
-  return item.value?.status === "DRAFT" && (role === "ADMIN" || role === "PM" || role === "CRA");
-});
+const { can } = usePermission();
+const canEditDraft = computed(() => item.value?.status === "DRAFT" && can("finance.create"));
 
 const loadItem = async () => {
   if (!study.currentStudy) return;

frontend/src/views/ImpTransactions.vue

@@ -22,7 +22,9 @@
           @change="load"
         />
         <div class="spacer" />
-        <el-button type="primary" v-if="canEdit" @click="showForm = true">新增交易</el-button>
+        <PermissionAction action="imp.transaction">
+          <el-button type="primary" @click="showForm = true">新增交易</el-button>
+        </PermissionAction>
       </div>
     </el-card>
     <el-card>
@@ -55,6 +57,8 @@ import { fetchImpTransactions } from "../api/impTransactions";
 import { fetchImpBatches } from "../api/impBatches";
 import { useStudyStore } from "../store/study";
 import { useAuthStore } from "../store/auth";
+import PermissionAction from "../components/PermissionAction.vue";
+import { usePermission } from "../utils/permission";
 import ImpTransactionForm from "../components/ImpTransactionForm.vue";
 
 const study = useStudyStore();
@@ -70,10 +74,8 @@ const loading = ref(false);
 const showForm = ref(false);
 const batches = ref<any[]>([]);
 
-const canEdit = computed(() => {
-  const role = auth.user?.role;
-  return role === "ADMIN" || role === "PM" || role === "IMP";
-});
+const { can } = usePermission();
+const canEdit = computed(() => can("imp.transaction"));
 
 const loadBatches = async () => {
   if (!study.currentStudy) return;

frontend/src/views/IssueDetail.vue

@@ -6,7 +6,9 @@
           <h3>Issue 详情</h3>
           <p>{{ issue.title }}</p>
         </div>
-        <el-button v-if="canEdit" type="danger" size="small" @click="closeIssue">关闭</el-button>
+        <PermissionAction action="issue.close">
+          <el-button type="danger" size="small" @click="closeIssue">关闭</el-button>
+        </PermissionAction>
       </div>
       <el-descriptions :column="2" border>
         <el-descriptions-item label="类别">{{ issue.category }}</el-descriptions-item>
@@ -38,20 +40,18 @@ import { ElMessage, ElMessageBox } from "element-plus";
 import { fetchIssues, updateIssue } from "../api/issues";
 import { useStudyStore } from "../store/study";
 import { useAuthStore } from "../store/auth";
+import PermissionAction from "../components/PermissionAction.vue";
+import { usePermission } from "../utils/permission";
 import CommentList from "../components/CommentList.vue";
 import AttachmentList from "../components/AttachmentList.vue";
 
 const route = useRoute();
 const study = useStudyStore();
 const auth = useAuthStore();
-
 const issue = ref<any | null>(null);
 const studyId = computed(() => study.currentStudy?.id || "");
-
-const canEdit = computed(() => {
-  const role = auth.user?.role;
-  return role === "ADMIN" || role === "PM" || role === "PV";
-});
+const { can } = usePermission();
+const canEdit = computed(() => can("issue.close"));
 
 const load = async () => {
   if (!study.currentStudy) return;

frontend/src/views/Milestones.vue

@@ -3,7 +3,9 @@
     <el-card class="mb-12">
       <div class="actions">
         <h3>里程碑</h3>
-        <el-button type="primary" v-if="canEdit" @click="openCreate">新增里程碑</el-button>
+        <PermissionAction action="milestone.create">
+          <el-button type="primary" @click="openCreate">新增里程碑</el-button>
+        </PermissionAction>
       </div>
     </el-card>
 
@@ -15,9 +17,11 @@
         <el-table-column prop="actual_date" label="实际日期" width="140" />
         <el-table-column prop="status" label="状态" width="140" />
         <el-table-column prop="owner_id" label="负责人" width="160" />
-        <el-table-column label="操作" width="120" v-if="canEdit">
+        <el-table-column label="操作" width="120">
           <template #default="scope">
-            <el-button type="primary" link size="small" @click="openEdit(scope.row)">编辑</el-button>
+            <PermissionAction action="milestone.create">
+              <el-button type="primary" link size="small" @click="openEdit(scope.row)">编辑</el-button>
+            </PermissionAction>
           </template>
         </el-table-column>
       </el-table>
@@ -28,23 +32,22 @@
 </template>
 
 <script setup lang="ts">
-import { onMounted, ref, computed } from "vue";
+import { onMounted, ref } from "vue";
 import { ElMessage } from "element-plus";
 import { fetchMilestones } from "../api/milestones";
 import { useStudyStore } from "../store/study";
-import { useAuthStore } from "../store/auth";
+import PermissionAction from "../components/PermissionAction.vue";
+import { usePermission } from "../utils/permission";
 import MilestoneForm from "../components/MilestoneForm.vue";
 
 const study = useStudyStore();
-const auth = useAuthStore();
+const { can } = usePermission();
 
 const milestones = ref<any[]>([]);
 const loading = ref(false);
 const showForm = ref(false);
 const editingMilestone = ref<any | null>(null);
 
-const canEdit = computed(() => auth.user?.role === "ADMIN" || auth.user?.role === "PM");
-
 const loadMilestones = async () => {
   if (!study.currentStudy) return;
   loading.value = true;

frontend/src/views/SubjectDetail.vue

@@ -4,14 +4,20 @@
       <h3>受试者 {{ subject.subject_no }}</h3>
       <p>中心：{{ subject.site_id }}</p>
       <p>状态：{{ subject.status }}</p>
-      <div v-if="canEdit" class="actions">
-        <el-button size="small" type="primary" @click="setStatus('ENROLLED')">标记入组</el-button>
-        <el-button size="small" type="success" @click="setStatus('COMPLETED')">标记完成</el-button>
-        <el-button size="small" type="danger" @click="setStatus('DROPPED')">标记脱落</el-button>
+      <div class="actions">
+        <PermissionAction action="subject.enroll">
+          <el-button size="small" type="primary" @click="setStatus('ENROLLED')">标记入组</el-button>
+        </PermissionAction>
+        <PermissionAction action="subject.complete">
+          <el-button size="small" type="success" @click="setStatus('COMPLETED')">标记完成</el-button>
+        </PermissionAction>
+        <PermissionAction action="subject.drop">
+          <el-button size="small" type="danger" @click="setStatus('DROPPED')">标记脱落</el-button>
+        </PermissionAction>
       </div>
     </el-card>
 
-    <VisitTable :visits="visits" :subject-id="subject.id" :can-edit="canEdit" :on-refresh="loadVisits" />
+    <VisitTable :visits="visits" :subject-id="subject.id" :can-edit="canVisitEdit" :on-refresh="loadVisits" />
   </div>
   <div v-else class="page">
     <el-skeleton rows="3" animated />
@@ -26,6 +32,8 @@ import { fetchSubjects, updateSubject } from "../api/subjects";
 import { fetchVisits } from "../api/visits";
 import { useStudyStore } from "../store/study";
 import { useAuthStore } from "../store/auth";
+import PermissionAction from "../components/PermissionAction.vue";
+import { usePermission } from "../utils/permission";
 import VisitTable from "../components/VisitTable.vue";
 
 const route = useRoute();
@@ -35,10 +43,8 @@ const auth = useAuthStore();
 const subject = ref<any | null>(null);
 const visits = ref<any[]>([]);
 
-const canEdit = computed(() => {
-  const role = auth.user?.role;
-  return role === "ADMIN" || role === "PM" || role === "CRA";
-});
+const { can } = usePermission();
+const canVisitEdit = computed(() => can("subject.enroll"));
 
 const loadSubject = async () => {
   if (!study.currentStudy) return;

frontend/src/views/Tasks.vue

@@ -10,7 +10,9 @@
         </el-select>
         <el-input v-model="filters.assignee_id" placeholder="负责人ID" style="width: 180px" @change="loadTasks" />
         <div class="spacer" />
-        <el-button type="primary" v-if="canEdit" @click="openCreate">新增任务</el-button>
+        <PermissionAction action="task.create">
+          <el-button type="primary" @click="openCreate">新增任务</el-button>
+        </PermissionAction>
       </div>
     </el-card>
 
@@ -22,9 +24,11 @@
         <el-table-column prop="priority" label="优先级" width="100" />
         <el-table-column prop="status" label="状态" width="120" />
         <el-table-column prop="due_date" label="截止日期" width="140" />
-        <el-table-column label="操作" width="120" v-if="canEdit">
+        <el-table-column label="操作" width="120">
           <template #default="scope">
-            <el-button type="primary" link size="small" @click="openEdit(scope.row)">编辑</el-button>
+            <PermissionAction action="task.edit">
+              <el-button type="primary" link size="small" @click="openEdit(scope.row)">编辑</el-button>
+            </PermissionAction>
           </template>
         </el-table-column>
       </el-table>
@@ -43,12 +47,14 @@
 </template>
 
 <script setup lang="ts">
-import { onMounted, ref, computed } from "vue";
+import { onMounted, ref } from "vue";
 import { ElMessage } from "element-plus";
 import { fetchTasks } from "../api/tasks";
 import { fetchMilestones } from "../api/milestones";
 import { useStudyStore } from "../store/study";
 import { useAuthStore } from "../store/auth";
+import PermissionAction from "../components/PermissionAction.vue";
+import { usePermission } from "../utils/permission";
 import TaskForm from "../components/TaskForm.vue";
 
 const study = useStudyStore();
@@ -72,11 +78,7 @@ const filters = ref({
 const showForm = ref(false);
 const editingTask = ref<any | null>(null);
 
-const canEdit = computed(() => {
-  const role = auth.user?.role;
-  // 简化：ADMIN/PM 可编辑
-  return role === "ADMIN" || role === "PM";
-});
+const { can } = usePermission();
 
 const loadMilestones = async () => {
   if (!study.currentStudy) return;