feat: 多端同步服务端与引擎 + Capacitor 安卓工程（v1.13）

intern-log/src/views/SettingsView.vue

@@ -13,6 +13,7 @@ import { downloadCsv } from '../lib/csv'
 import { hhmm, parseDateStr, todayStr } from '../lib/date'
 import { computeDay } from '../domain/attendance'
 import { changeLoginPassword, deleteCurrentUser, getSession } from '../db/auth'
+import { getSyncLastTime, isSyncConfigured, registerCloudAccount, runSync, type SyncResult } from '../sync/engine'
 import { showToast } from '../lib/toast'
 
 const rule = ref<WorkRule>({ work_start: '09:00', work_end: '18:00', grace_minutes: 10, lunch_minutes: 60, remind_weekly: 'friday' })
@@ -34,6 +35,54 @@ const newLoginPwd1 = ref('')
 const newLoginPwd2 = ref('')
 const accError = ref('')
 const deleteAccConfirm = ref(false)
+const syncBase = ref('')
+const syncUser = ref('')
+const syncPwd = ref('')
+const syncStatus = ref('')
+const syncError = ref('')
+const syncing = ref(false)
+const lastSync = ref('')
+
+async function loadSyncInfo() {
+  syncBase.value = await getSetting('sync_base_url', '')
+  syncUser.value = await getSetting('sync_username', '')
+  syncPwd.value = await getSetting('sync_password', '')
+  lastSync.value = await getSyncLastTime()
+}
+
+async function saveSyncConfig() {
+  await setSetting('sync_base_url', syncBase.value.trim())
+  await setSetting('sync_username', syncUser.value.trim())
+  await setSetting('sync_password', syncPwd.value)
+  showToast('同步配置已保存')
+}
+
+async function registerCloud() {
+  syncError.value = ''
+  try {
+    await registerCloudAccount(syncBase.value, syncUser.value, syncPwd.value)
+    await saveSyncConfig()
+    showToast('云端账号已注册，可直接同步')
+  } catch (e) {
+    syncError.value = e instanceof Error ? e.message : '注册失败'
+  }
+}
+
+async function doSyncNow() {
+  if (syncing.value) return
+  syncError.value = ''
+  syncing.value = true
+  try {
+    await saveSyncConfig()
+    const result: SyncResult = await runSync({ baseUrl: syncBase.value, username: syncUser.value, password: syncPwd.value })
+    lastSync.value = result.at
+    syncStatus.value = '推送 ' + result.pushed + ' 条 · 拉取 ' + result.pulled + ' 条 · 删除 ' + result.removed + ' 条'
+    showToast('同步完成')
+  } catch (e) {
+    syncError.value = e instanceof Error ? e.message : '同步失败'
+  }
+  syncing.value = false
+}
 
 async function doChangeLoginPwd() {
   accError.value = ''
@@ -64,6 +113,7 @@ async function load() {
   aiBase.value = await getSetting('ai_base_url', '')
   aiKey.value = await getSetting('ai_api_key', '')
   aiModel.value = await getSetting('ai_model', '')
+  await loadSyncInfo()
 }
 
 async function saveAi() {
@@ -291,6 +341,31 @@ async function doImport() {
       </div>
     </div>
 
+    <div class="card section">
+      <div class="section-title">多端数据同步</div>
+      <div class="muted acc-line">在自建同步服务端注册云端账号后，手机（PWA）、桌面与网页端登录同一账号即可互通数据；密码库以密文同步，主密码永不出本机</div>
+      <div class="ai-grid">
+        <div class="rule-item">
+          <label>同步服务地址</label>
+          <input class="input" v-model="syncBase" placeholder="如 http://124.221.192.176:3780" />
+        </div>
+        <div class="rule-item">
+          <label>云端用户名</label>
+          <input class="input" v-model="syncUser" placeholder="云端账号用户名" />
+        </div>
+        <div class="rule-item">
+          <label>云端密码（至少 6 位）</label>
+          <input type="password" class="input" v-model="syncPwd" placeholder="云端账号密码" />
+        </div>
+      </div>
+      <div class="rule-save">
+        <button class="btn btn-sm" @click="registerCloud">注册云端账号</button>
+        <button class="btn btn-primary btn-sm" :disabled="syncing" @click="doSyncNow">{{ syncing ? '同步中' : '立即同步' }}</button>
+      </div>
+      <div v-if="syncStatus" class="muted acc-line">上次同步：{{ lastSync || '--' }} · {{ syncStatus }}</div>
+      <div v-if="syncError" class="form-error">{{ syncError }}</div>
+    </div>
+
     <div class="card section">
       <div class="section-title">AI 润色配置（可选）</div>
       <div class="ai-grid">