feat: 编辑器增加版本状态（预览版/正式版）和未保存提示

web/src/views/SitePages.vue

@@ -43,10 +43,19 @@
   <!-- 编辑模式：全屏双栏 -->
   <div v-else style="display:flex;flex-direction:column;height:calc(100vh - 80px)">
     <div style="display:flex;justify-content:space-between;align-items:center;margin-bottom:8px">
-      <h2 style="margin:0">编辑: {{ editSiteId }}</h2>
+      <div style="display:flex;align-items:center;gap:10px">
+        <h2 style="margin:0">编辑: {{ editSiteId }}</h2>
+        <!-- 快照状态（仅对非默认模板显示） -->
+        <el-tag v-if="!isDefaultEditor && snapshotStatus" size="small" :type="snapshotStatus.hasPendingPublish ? 'warning' : snapshotStatus.draft.exists ? 'info' : 'success'">
+          {{ snapshotStatus.hasPendingPublish ? '预览版 v' + snapshotStatus.draft.version : snapshotStatus.draft.exists ? '预览版 v' + snapshotStatus.draft.version : snapshotStatus.published.exists ? '正式版 v' + snapshotStatus.published.version : '未发布' }}
+        </el-tag>
+        <el-tag v-if="hasUnsavedChanges" size="small" type="danger" effect="dark">未保存</el-tag>
+      </div>
       <div style="display:flex;gap:8px">
         <el-button size="small" type="primary" @click="savePages" :loading="saving">保存</el-button>
         <el-button size="small" @click="uploadPages" :loading="uploading">上传</el-button>
+        <el-button v-if="!isDefaultEditor && snapshotStatus" size="small" @click="savePreview" :loading="savingPreview">保存预览版</el-button>
+        <el-button v-if="!isDefaultEditor && snapshotStatus?.draft.exists" size="small" type="success" @click="publishSnapshot" :loading="publishing">发布正式版</el-button>
         <el-button size="small" type="danger" @click="deletePages" :loading="deleting">删除</el-button>
         <el-button size="small" @click="editSiteId=''">返回列表</el-button>
       </div>
@@ -113,8 +122,10 @@
 <script setup>
 import api from '../api'; import { Refresh } from '@element-plus/icons-vue'
 
-const loading = ref(false), saving = ref(false), uploading = ref(false), deleting = ref(false), sites = ref([]), pagesMap = ref({}), sitesList = ref([])
-const editSiteId = ref(''), editorJson = ref('{}')
+const loading = ref(false), saving = ref(false), uploading = ref(false), deleting = ref(false), savingPreview = ref(false), publishing = ref(false)
+const sites = ref([]), pagesMap = ref({}), sitesList = ref([])
+const editSiteId = ref(''), editorJson = ref('{}'), originalJson = ref('')
+const snapshotStatus = ref(null)
 const authType = ref('NONE')
 const defaultTypes = ['nexusphp','mtorrent','gazelle','unit3d']
 const isDefaultEditor = computed(() => editSiteId.value.startsWith('default:'))
@@ -122,6 +133,12 @@ const pageKeys = ref([])
 const verifying = ref({})
 const verifyResults = ref({})
 
+const hasUnsavedChanges = computed(() => {
+  if (!editSiteId.value) return false
+  try { return JSON.stringify(JSON.parse(editorJson.value)) !== JSON.stringify(JSON.parse(originalJson.value || '{}')) }
+  catch { return false }
+})
+
 const loadPageKeys = async () => {
   try { const r = await api.raw.get('/admin/page-keys'); pageKeys.value = r?.data || r || [] }
   catch {}
@@ -207,6 +224,27 @@ const editPage = async (row) => {
     authType.value = data?.authType || 'NONE'
     editorJson.value = JSON.stringify({ authType: authType.value, entries: data?.entries || [] }, null, 2)
   } catch { editorJson.value = JSON.stringify({ authType:'NONE', entries:[] }, null, 2) }
+  originalJson.value = editorJson.value
+  if (!row.siteId.startsWith('default:')) fetchSnapshotStatus()
+}
+
+const fetchSnapshotStatus = async () => {
+  try { snapshotStatus.value = (await api.raw.get('/admin/sites/' + editSiteId.value + '/snapshot-status')).data || null }
+  catch { snapshotStatus.value = null }
+}
+
+const savePreview = async () => {
+  savingPreview.value = true
+  try { await api.raw.post('/admin/sites/' + editSiteId.value + '/save-preview'); ElMessage.success('预览版已保存'); fetchSnapshotStatus() }
+  catch { ElMessage.error('保存预览版失败') }
+  finally { savingPreview.value = false }
+}
+
+const publishSnapshot = async () => {
+  publishing.value = true
+  try { await api.raw.post('/admin/sites/' + editSiteId.value + '/publish'); ElMessage.success('已发布为正式版'); fetchSnapshotStatus() }
+  catch { ElMessage.error('发布失败') }
+  finally { publishing.value = false }
 }
 
 const remove = (idx) => { parsed.value.splice(idx,1); syncToJson() }
@@ -240,6 +278,7 @@ const savePages = async () => {
       ? '/admin/default-pages/' + editSiteId.value.replace('default:','')
       : '/sites/' + editSiteId.value + '/pages'
     await api.raw.put(url, { entries: parsed.value, authType: authType.value })
+    originalJson.value = editorJson.value
     ElMessage.success('已保存'); editSiteId.value=''; fetchAll()
   } catch { ElMessage.error('保存失败') }
   finally { saving.value = false }