fix: 打卡后即时推送 + 设置页展示自动同步失败原因

intern-log/src/sync/engine.ts

@@ -1,5 +1,6 @@
 // 多端同步引擎：全量差异对比 + 记录级新者胜 + 自然键去重 + 外键重映射 + 软删除墓碑
 // 实时性：本地变更 3 秒内推送；服务端变更通过 SSE 秒级通知其他端；60 秒轮询兜底
+import { ref } from 'vue'
 import Dexie, { liveQuery } from 'dexie'
 import { db } from '../db/schema'
 import { getSetting, setSetting } from '../db/repo'
@@ -7,6 +8,9 @@ import { getCloudCreds } from '../db/auth'
 import { nowLocalISO } from '../lib/date'
 import { notifyAttendanceChanged } from '../lib/bus'
 
+// 最近一次自动同步的错误（设置页展示用）
+export const syncLastError = ref('')
+
 const TABLES = ['project', 'work_log', 'log_item', 'attendance', 'weekly_note', 'setting', 'memo', 'credential', 'transaction']
 
 // 本地敏感或临时性的设置不参与同步
@@ -150,7 +154,10 @@ export async function autoSyncNow(): Promise<void> {
   try {
     if (!(await isSyncConfigured())) return
     await runSync(await loadSyncConfig())
-  } catch { /* 自动同步静默失败，等待下次触发 */ }
+    syncLastError.value = ''
+  } catch (e) {
+    syncLastError.value = e instanceof Error ? e.message : String(e)
+  }
 }
 
 // 实时触发：本地任何数据变更 3 秒后自动推送（Dexie 4 核心 liveQuery，跨全部业务表）

intern-log/src/views/SettingsView.vue

@@ -13,7 +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 { ensureCloudBinding, getSyncBase, getSyncLastTime, syncWithStoredConfig, type SyncResult } from '../sync/engine'
+import { ensureCloudBinding, getSyncBase, getSyncLastTime, syncWithStoredConfig, syncLastError, enableRealtimeSync, stopRealtime, type SyncResult } from '../sync/engine'
 import { getCloudCreds } from '../db/auth'
 import { showToast } from '../lib/toast'
 
@@ -41,6 +41,7 @@ const syncBase = ref('')
 const cloudUser = ref('')
 const syncStatus = ref('')
 const syncError = ref('')
+const autoSyncErr = ref('')
 const syncing = ref(false)
 const lastSync = ref('')
 
@@ -48,8 +49,12 @@ async function loadSyncInfo() {
   syncBase.value = await getSyncBase()
   cloudUser.value = getCloudCreds()?.username || ''
   lastSync.value = await getSyncLastTime()
+  loadError.value = syncLastError.value
+  const conf = await isSyncConfigured()
+  autoOn.value = conf
 }
 
+
 async function saveSyncConfig() {
   await setSetting('sync_base_url', syncBase.value.trim())
   showToast('同步地址已保存')
@@ -68,12 +73,14 @@ async function rebindCloud() {
 async function doSyncNow() {
   if (syncing.value) return
   syncError.value = ''
+  autoSyncErr.value = syncLastError.value
   syncing.value = true
   try {
     await saveSyncConfig()
     const result: SyncResult = await syncWithStoredConfig()
     lastSync.value = result.at
     syncStatus.value = '推送 ' + result.pushed + ' 条 · 拉取 ' + result.pulled + ' 条 · 删除 ' + result.removed + ' 条'
+    autoSyncErr.value = ''
     showToast('同步完成')
   } catch (e) {
     syncError.value = e instanceof Error ? e.message : '同步失败'
@@ -357,6 +364,8 @@ async function doImport() {
       </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 v-if="autoSyncErr" class="form-error">最近自动同步失败：{{ autoSyncErr }}</div>
+      <div v-if="autoSyncErr" class="form-error">最近自动同步失败：{{ autoSyncErr }}（可点「立即同步」重试）</div>
     </div>
 
     <div class="card section">