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/en.ts

@@ -494,6 +494,22 @@ const en = {
     needBeforeBatch: "Select before task and batch",
     needAfterBatch: "Select after batch",
     runNow: "Run now",
+    runStarted: "Compare started in background — you can close this page; check run history for progress",
+    runFailed: "Compare failed",
+    runStatusRunning: "Running",
+    runStatusFailed: "Failed",
+    runStatusDoneSec: "Done {{s}}s",
+    runProgress: "{{phase}} · sheet {{i}}/{{n}} · {{sheet}} · {{s}}s elapsed",
+    ranWithDuration: "Compare finished ({{s}}s)",
+    unchangedNotStored: "Success rows were counted but not stored. Set “Store success rows” to sample and re-run for spot-check.",
+    unchangedSampleHint: "{{total}} success rows total; browsing a sample of {{listed}} (hydrated from source tables for cutover spot-check). Pass rate uses all {{total}}.",
+    storeUnchanged: "Store success rows",
+    storeUnchangedAuto: "Auto (full if small / sample 5k + hydrate if large)",
+    storeUnchangedSample: "Sample only (up to 5k keys + hydrate)",
+    storeUnchangedKeys: "All success keys (full browse; large write still slow)",
+    storeUnchangedAlways: "Always full JSON (slow on huge sheets)",
+    storeUnchangedNever: "Never (counts only)",
+    storeUnchangedHint: "Cutover focuses on fails and pass rate; success defaults to a sample. Pass rate always uses the full success count.",
     saveJob: "Save config",
     jobSaved: "Job config saved",
     jobDeleted: "Compare job deleted",

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",