Make biz compare async and cutover-friendly for large tables.

Run compares in the background with progress, persist fails first, and store success as sampled key+row_id hydrated from source so million-row sheets no longer block the API.

Co-authored-by: Cursor <cursoragent@cursor.com>

web/src/i18n/zh.ts

@@ -493,6 +493,22 @@ const zh = {
     needBeforeBatch: "请选择操作前任务与批次",
     needAfterBatch: "请选择操作后批次",
     runNow: "立即比对",
+    runStarted: "比对已在后台启动，可关闭本页；进度见历史记录",
+    runFailed: "比对失败",
+    runStatusRunning: "比对中",
+    runStatusFailed: "失败",
+    runStatusDoneSec: "完成 {{s}}s",
+    runProgress: "{{phase}} · 表 {{i}}/{{n}} · {{sheet}} · 已用 {{s}}s",
+    ranWithDuration: "比对完成（耗时 {{s}} 秒）",
+    unchangedNotStored: "成功行仅统计数量未落库。可在任务配置将「成功行保存」改为抽样后重新比对（抽查用）。",
+    unchangedSampleHint: "成功共 {{total}} 条，明细抽样 {{listed}} 条（从原表补全显示，割接抽查用）。通过率按全部 {{total}} 计。",
+    storeUnchanged: "成功行保存",
+    storeUnchangedAuto: "自动（小表全量 / 大表抽样 5000+原表补全）",
+    storeUnchangedSample: "仅抽样（最多 5000，身份键+原表补全）",
+    storeUnchangedKeys: "全量身份键（可翻完全部成功，大表写入仍较久）",
+    storeUnchangedAlways: "始终全量 JSON（大表很慢，慎用）",
+    storeUnchangedNever: "不保存（只计数量）",
+    storeUnchangedHint: "割接优先看失败与通过率；成功默认抽样抽查。通过率始终按全部成功计数。",
     saveJob: "保存配置",
     jobSaved: "任务配置已保存",
     jobDeleted: "比对任务已删除",