评阅页不显示项目资源类；编译、往返时间只给老师看

- 评阅页的代码标签不再列出平台生成的 Properties/Resources.Designer.cs（和实验页一致）
- 自由练习里编译、启动、往返时间只给老师显示，学生看不到这些开发用的数字

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

web/src/pages/ReviewPage.vue

@@ -9,6 +9,7 @@ import { NButton, NEmpty, NInput, NInputNumber, NSpin, NTab, NTabs, NTag, useDia
 import type { AiReview, Assignment, Review, Screenshot, SourceFile, Submission } from '@iot/shared'
 import { api } from '../api'
 import { currentUser, logout } from '../auth'
+import { RESOURCES_FILE } from '../designer/resources'
 import CodeEditor from '../editor/CodeEditor.vue'
 import RunArea from '../run/RunArea.vue'
 import { createRunSession } from '../run/session'
@@ -84,7 +85,8 @@ const saving = ref(false)
 
 const autoTotal = computed(() => assignment.value?.scoring.auto.reduce((a, b) => a + b, 0) ?? 0)
 const manualTotal = computed(() => assignment.value?.scoring.manual.reduce((a, m) => a + m.points, 0) ?? 0)
-const codeFiles = computed(() => detail.value?.files?.filter((f) => f.path.endsWith('.cs')) ?? [])
+// 项目资源类是平台生成的，和实验页一样不显示
+const codeFiles = computed(() => detail.value?.files?.filter((f) => f.path.endsWith('.cs') && f.path !== RESOURCES_FILE) ?? [])
 const hints = computed(() => (detail.value?.files ? conventionHints(detail.value.files) : []))
 /** 正在打的老师评分之和（未保存） */
 const draftManual = computed(() => scores.value.reduce<number>((a, s) => a + (s ?? 0), 0))

web/src/pages/WorkbenchPage.vue

@@ -507,7 +507,7 @@ function run() {
       </NPopconfirm>
       <span v-if="!viewing" class="save-state" :class="saveState">{{ SAVE_TEXT[saveState] }}</span>
       <NTag :type="statusType">{{ STATUS_TEXT[state.status] }}</NTag>
-      <span v-if="!assignmentId && !viewing" class="metrics">
+      <span v-if="!assignmentId && !viewing && currentUser?.role === 'teacher'" class="metrics">
         编译 {{ state.metrics.compileMs }} ms · 启动 {{ state.metrics.startMs }} ms · 最近一次操作往返
         {{ state.metrics.lastRoundTripMs }} ms
       </span>
@@ -649,7 +649,7 @@ function run() {
   font-size: 12px;
 }
 
-/* 编译、往返时间是给开发看的，屏幕窄时（机房常见 1366 宽）不显示，免得工具栏挤成两行 */
+/* 编译、往返时间只给老师看，屏幕窄时（机房常见 1366 宽）也不显示，免得工具栏挤成两行 */
 @media (max-width: 1599px) {
   .metrics {
     display: none;