Add cutover migration monitor and day-based batch retention.

Protect baselines and compare/migration-referenced batches from purge or delete, and let operators mark baselines and clean high-freq data manually.

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

web/src/i18n/en.ts

@@ -158,6 +158,7 @@ const en = {
       portTrafficWall: "Traffic wall",
       bizState: "Business state",
       bizCompare: "Business compare",
+      bizMigration: "Cutover monitor",
     },
     collapseNav: "Collapse sidebar",
     expandNav: "Expand sidebar",
@@ -199,7 +200,25 @@ const en = {
     intervalUnitDays: "days",
     intervalUnitHours: "hours",
     intervalUnitSeconds: "seconds",
-    retention: "Keep batches",
+    retention: "Retention days",
+    retentionHint: "Batches older than this are purged; baselines and compare/cutover refs are kept.",
+    dailyKeepEnabled: "Daily keep policy",
+    dailyKeepCount: "Keep per day",
+    dailyKeepHint: "When on: keep only the newest N batches per past day; extras purge next day (off by default).",
+    markBaseline: "Mark baseline",
+    unmarkBaseline: "Unmark baseline",
+    baseline: "Baseline",
+    protected: "Protected",
+    deleteBatch: "Delete",
+    bulkDelete: "Bulk delete",
+    confirmDeleteBatch: "Delete this batch? Protected batches cannot be deleted.",
+    confirmBulkDelete: "Delete {{count}} selected batches? Protected ones are skipped.",
+    batchDeleted: "Batch deleted",
+    bulkDeleted: "Deleted {{deleted}}, skipped {{skipped}}",
+    purgeNow: "Purge now",
+    purgeOk: "Purge done: dropped {{dropped}}",
+    selectAll: "Select deletable",
+    colProtect: "Protect",
     saveSchedule: "Save schedule",
     scheduleSaved: "Schedule saved",
     colInterval: "Interval",
@@ -428,6 +447,89 @@ const en = {
     colKey: "Identity",
     colChange: "Changes",
   },
+  bizMigration: {
+    title: "Cutover monitor",
+    hint: "Separate from business compare: baseline drift, expect set, dual-device verdict. Reuses collect tasks and port mappings.",
+    hintPort:
+      "Metric focus: port status (interface_brief / admin·phy·prot). Baseline → pick ports → evaluate board.",
+    createProject: "New cutover project",
+    projectName: "Project name",
+    oldTask: "Old-device collect task",
+    newTask: "New-device collect task",
+    portMapping: "Port mapping",
+    oldBaseline: "Old baseline batch",
+    newBaseline: "New baseline batch (optional)",
+    needProjectFields: "Enter a name and pick old/new collect tasks",
+    needExpectPorts: "Select at least one expected port for this batch",
+    needBaselineFirst: "Save an old baseline batch first to list ports",
+    projectCreated: "Project created",
+    projects: "Projects",
+    emptyProjects: "No cutover projects yet",
+    saveBaseline: "Save baseline / mapping",
+    baselineSaved: "Baseline saved",
+    pickExpectPorts: "Expected ports (from old baseline)",
+    portFilterPh: "Filter interface / description",
+    emptyBaselinePorts: "No interface_brief rows in baseline (enable that profile on the task)",
+    batchLabel: "Batch label",
+    defaultBatchLabel: "Night N",
+    expectPorts: "Expected ports (old side)",
+    expectPortsPh: "Comma or newline separated",
+    createBatch: "New batch",
+    batchCreated: "Batch created",
+    batches: "Batches",
+    startBatch: "Start batch",
+    finishBatch: "Finish batch",
+    evaluate: "Evaluate now",
+    evaluated: "Evaluation done",
+    statusUpdated: "Status updated",
+    board: "Progress board",
+    metricPort: "Port status",
+    progress: "Progress",
+    anomaly: "Anomaly",
+    onlyExpect: "Expected ports only",
+    colMetric: "Metric",
+    colKey: "Object",
+    colPort: "Old port",
+    colMapped: "Mapped new",
+    colDesc: "Description",
+    colOldPort: "Old port",
+    colNewPort: "New port",
+    colOldStatus: "Old admin/phy/prot",
+    colNewStatus: "New admin/phy/prot",
+    colOld: "Old",
+    colNew: "New",
+    colVerdict: "Verdict",
+    emptyDiffs: "No rows yet — run Evaluate",
+    verdictMigrated: "Migrated",
+    verdictMigrating: "Migrating",
+    verdictLost: "Lost",
+    verdictAnomaly: "Anomaly",
+    verdictNotInvolved: "Not involved",
+    verdictUnexpected: "Unexpected new",
+    verdictOk: "OK",
+    enableHighfreq: "Enable high-freq port collect",
+    highfreqHint:
+      "Creates/reuses biz-state tasks with interface_brief only on old/new NEs. Add BGP etc. later on the same tasks in Business state.",
+    highfreqReady: "High-freq port collect tasks ready and bound to this project",
+    collectNow: "Collect old+new now",
+    collectTriggered: "Collect triggered",
+    openBizState: "Open business state",
+    boundTasks: "Bound collect tasks",
+    acceptTitle: "Batch acceptance summary",
+    acceptPassed: "Batch acceptance passed",
+    acceptFailed: "Batch acceptance failed ({{n}} red tickets; you may continue)",
+    acceptPassedShort: "Passed",
+    acceptFailedShort: "Failed",
+    acceptCarryHint: "Failure does not block the next batch; red tickets stay until resolved.",
+    openRedHint: "{{n}} open red ticket(s) on this project (carry allowed)",
+    redTitle: "Red tickets",
+    redOpen: "open",
+    resolveRed: "Resolve",
+    redResolved: "Red ticket resolved",
+    batchCreatedWithRed: "Batch created ({{n}} open red tickets; carry allowed)",
+    colStatus: "Status",
+    verdictUnfinished: "Unfinished",
+  },
   portTraffic: {
     title: "Port traffic",
     create: "Monitor device",