培养方案下放学院维护，学院账号被后端限制在本学院范围；新增按年级、学院、专业联动筛选及维护范围提示。

课程库实行分级维护：学院只能维护本学院的专业必修、专业选修和实践课程；通识课程可查看、引用但不可修改。校级账号保留全校统筹权限。
“排课与课表”已从“教学建设”迁移到“教学运行”，原路由保持不变。
权限规则同时落实在前端和 API，并新增专项测试。

web/src/views/CurriculumView.vue

@@ -10,7 +10,9 @@ const detailLoading = ref(false)
 const plans = ref<any[]>([])
 const total = ref(0)
 const selected = ref<any | null>(null)
+const colleges = ref<any[]>([])
 const majors = ref<any[]>([])
+const grades = ref<number[]>([])
 const courses = ref<any[]>([])
 const planDialog = ref(false)
 const moduleDialog = ref(false)
@@ -24,6 +26,7 @@ const query = reactive({
   page: 1,
   pageSize: 20,
   keyword: '',
+  collegeId: undefined as string | undefined,
   majorId: undefined as string | undefined,
   effectiveGrade: undefined as number | undefined,
   status: undefined as string | undefined,
@@ -42,11 +45,24 @@ const courseTypeLabels: Record<string, string> = {
   Required: '必修',
   Elective: '选修',
 }
-const availableMajors = computed(() =>
-  auth.user?.roles.includes('CollegeAdmin') && auth.user.collegeId
-    ? majors.value.filter((item) => item.collegeId === auth.user!.collegeId)
+const isCollegeAdmin = computed(() => auth.user?.roles.includes('CollegeAdmin') ?? false)
+const availableMajors = computed(() => majors.value)
+const filteredMajors = computed(() =>
+  query.collegeId
+    ? majors.value.filter((item) => item.collegeId === query.collegeId)
     : majors.value,
 )
+const availableGrades = computed(() =>
+  [...new Set([
+    ...grades.value,
+    ...plans.value.map((item) => Number(item.effectiveGrade)),
+  ])].sort((first, second) => second - first),
+)
+const maintenanceScope = computed(() =>
+  isCollegeAdmin.value
+    ? colleges.value[0]?.name ?? '所属学院'
+    : '全校各学院',
+)
 const isDraft = computed(() => selected.value?.status === 'Draft')
 const configuredCredits = computed(() =>
   selected.value?.modules.reduce(
@@ -96,6 +112,7 @@ function resetFilters() {
   Object.assign(query, {
     page: 1,
     keyword: '',
+    collegeId: isCollegeAdmin.value ? auth.user?.collegeId : undefined,
     majorId: undefined,
     effectiveGrade: undefined,
     status: undefined,
@@ -103,6 +120,13 @@ function resetFilters() {
   loadPlans(false)
 }
 
+function changeCollege() {
+  if (query.majorId &&
+      !filteredMajors.value.some((item) => item.id === query.majorId)) {
+    query.majorId = undefined
+  }
+}
+
 function openPlan(row?: any) {
   editingPlanId.value = row?.id ?? ''
   Object.keys(planForm).forEach((key) => delete planForm[key])
@@ -268,12 +292,17 @@ async function deleteCourse(moduleId: string, item: any) {
 }
 
 onMounted(async () => {
-  const [majorRes, courseRes] = await Promise.all([
-    http.get('/base-data/majors'),
+  const [optionRes, courseRes] = await Promise.all([
+    http.get('/curriculum-plans/filter-options'),
     http.get('/courses', { params: { page: 1, pageSize: 100, isEnabled: true } }),
   ])
-  majors.value = majorRes.data
+  colleges.value = optionRes.data.colleges
+  majors.value = optionRes.data.majors
+  grades.value = optionRes.data.grades
   courses.value = courseRes.data.items
+  if (isCollegeAdmin.value && auth.user?.collegeId) {
+    query.collegeId = auth.user.collegeId
+  }
   await loadPlans(false)
 })
 </script>
@@ -284,17 +313,48 @@ onMounted(async () => {
       <div>
         <span class="section-kicker">PROGRAMME OF STUDY</span>
         <h2>培养方案</h2>
-        <p>按专业和入学年级管理版本化课程结构，发布后锁定，避免影响历史年级。</p>
+        <p>由学院按专业和入学年级维护课程结构，发布后锁定，避免影响历史年级。</p>
       </div>
       <el-button type="primary" :icon="Plus" @click="openPlan()">新建方案</el-button>
     </section>
 
+    <section class="maintenance-scope" aria-label="培养方案维护范围">
+      <div>
+        <span>维护主体</span>
+        <b>{{ isCollegeAdmin ? '学院教务' : '校级统筹' }}</b>
+      </div>
+      <div>
+        <span>当前范围</span>
+        <b>{{ maintenanceScope }}</b>
+      </div>
+      <p>
+        {{ isCollegeAdmin
+          ? '可新建、编制并发布本学院各专业培养方案'
+          : '可跨学院查看、维护并统筹培养方案版本' }}
+      </p>
+    </section>
+
     <section class="curriculum-filter">
       <el-input v-model="query.keyword" :prefix-icon="Search" clearable placeholder="搜索方案、版本或专业" @keyup.enter="query.page = 1; loadPlans(false)" />
-      <el-select v-model="query.majorId" clearable filterable placeholder="全部专业">
-        <el-option v-for="item in availableMajors" :key="item.id" :label="item.name" :value="item.id" />
+      <el-select
+        v-model="query.effectiveGrade"
+        clearable
+        placeholder="全部年级"
+      >
+        <el-option v-for="grade in availableGrades" :key="grade" :label="`${grade} 级`" :value="grade" />
+      </el-select>
+      <el-select
+        v-model="query.collegeId"
+        clearable
+        :disabled="isCollegeAdmin"
+        placeholder="全部学院"
+        @change="changeCollege"
+      >
+        <el-option v-for="item in colleges" :key="item.id" :label="item.name" :value="item.id" />
+      </el-select>
+      <el-select v-model="query.majorId" clearable filterable placeholder="全部专业">
+        <el-option v-for="item in filteredMajors" :key="item.id" :label="item.name" :value="item.id" />
       </el-select>
-      <el-input-number v-model="query.effectiveGrade" :min="2000" :max="2200" placeholder="适用年级" />
       <el-select v-model="query.status" clearable placeholder="全部状态">
         <el-option v-for="(label, value) in statusLabels" :key="value" :label="label" :value="value" />
       </el-select>