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>

netx_api/biz_migration/__init__.py

@@ -0,0 +1 @@
+"""biz_migration package — cutover monitor (separate from CompareJob)."""

netx_api/biz_migration/evaluate.py

@@ -0,0 +1,343 @@
+"""Cutover monitor: relative-to-baseline drift + dual-device migration verdict."""
+
+from __future__ import annotations
+
+from typing import Any
+
+from ..biz_state.compare_engine import apply_port_map, compare_rows
+
+PORT_METRIC_ID = "interface_brief"
+PORT_STATUS_FIELDS = ("admin", "phy", "prot")
+
+
+def _key_str(key: tuple[str, ...] | list[str]) -> str:
+    return "|".join(str(x) for x in key)
+
+
+def port_status_label(row: dict[str, Any] | None) -> str:
+    """Compact admin/phy/prot for board (e.g. up/up/up)."""
+    if not row:
+        return "—"
+    parts = [str(row.get(f) or "-").lower() for f in PORT_STATUS_FIELDS]
+    if all(p == "-" for p in parts):
+        return "—"
+    return "/".join(parts)
+
+
+def parse_expect_set(raw: dict[str, Any] | None) -> dict[str, set[str]]:
+    """Return metric_id → set of key strings (old-side / before-map identity).
+
+    Supports:
+      {"ports": ["gei-0/1/0/1", ...]}  → interface_brief
+      {"items": [{"metric_id": "...", "key": "a|b"}, {"metric_id":"...", "keys":["a","b"]}]}
+    """
+    out: dict[str, set[str]] = {}
+    data = raw or {}
+    ports = data.get("ports") or []
+    if isinstance(ports, list):
+        for p in ports:
+            s = str(p or "").strip()
+            if s:
+                out.setdefault(PORT_METRIC_ID, set()).add(s)
+                out.setdefault("_ports", set()).add(s)
+    items = data.get("items") or []
+    if isinstance(items, list):
+        for it in items:
+            if not isinstance(it, dict):
+                continue
+            mid = str(it.get("metric_id") or "").strip()
+            if not mid:
+                continue
+            bucket = out.setdefault(mid, set())
+            if it.get("key") is not None:
+                bucket.add(str(it.get("key") or "").strip())
+            keys = it.get("keys")
+            if isinstance(keys, list):
+                if all(not isinstance(x, (list, tuple, dict)) for x in keys):
+                    bucket.add("|".join(str(x).strip() for x in keys))
+                else:
+                    for x in keys:
+                        bucket.add(str(x).strip())
+    return {k: {x for x in v if x} for k, v in out.items() if v}
+
+
+def side_verdict(
+    *,
+    kind: str,
+    in_expect: bool,
+    window_active: bool,
+) -> tuple[str, str]:
+    """Map compare kind → (verdict, color) for one device vs its baseline."""
+    k = str(kind or "")
+    if k == "unchanged":
+        return "ok", "green"
+    if k == "removed":
+        if in_expect:
+            return "expected_gone", "yellow"
+        return "anomaly_gone", "red"
+    if k == "added":
+        if in_expect:
+            return "expected_new", "green"
+        return "unexpected_new", "yellow" if window_active else "yellow"
+    if k == "changed":
+        if in_expect:
+            return "expected_change", "yellow"
+        return "anomaly_change", "red"
+    return "ok", "gray"
+
+
+def dual_verdict(
+    *,
+    old_kind: str,
+    new_kind: str,
+    in_expect: bool,
+    window_active: bool,
+    acceptance: bool = False,
+) -> tuple[str, str]:
+    """Synthesize old+new into migration board verdict.
+
+    ``acceptance=True`` (本批完成终验): unfinished expect items become red
+    (``unfinished`` / ``lost``), not yellow migrating.
+    """
+    if not in_expect:
+        if old_kind in ("removed", "changed") or new_kind in ("removed", "changed"):
+            if old_kind == "removed" and new_kind in ("", "removed"):
+                return "lost", "red"
+            if old_kind in ("removed", "changed") or new_kind in ("changed",):
+                return "anomaly", "red"
+        if old_kind == "added" or new_kind == "added":
+            return "unexpected_new", "yellow"
+        return "not_involved", "gray"
+
+    if old_kind in ("removed", "changed") and new_kind in ("added", "unchanged", "changed"):
+        return "migrated", "green"
+    if old_kind == "removed" and new_kind in ("", "removed"):
+        return "lost", "red"
+    if old_kind in ("unchanged", "") and new_kind in ("unchanged", "added", "changed"):
+        if acceptance:
+            return "unfinished", "red"
+        return "migrating", "yellow"
+    if old_kind == "unchanged" and new_kind in ("", "removed"):
+        if acceptance:
+            return "unfinished", "red"
+        return "migrating", "yellow"
+    ov, oc = side_verdict(kind=old_kind or "unchanged", in_expect=True, window_active=window_active)
+    if oc == "red" or (new_kind in ("removed",) and old_kind != "removed"):
+        return "anomaly", "red"
+    if acceptance:
+        return "unfinished", "red"
+    if window_active or ov.startswith("expected"):
+        return "migrating", "yellow"
+    return "migrating", "yellow"
+
+
+def build_diff_index_from_compare(result: dict[str, Any]) -> dict[str, dict[str, Any]]:
+    """Normalize compare_rows result diffs → key_str → {kind, before, after, key}."""
+    out: dict[str, dict[str, Any]] = {}
+    for d in result.get("diffs") or []:
+        key = d.get("key")
+        if isinstance(key, dict):
+            key_list = [str(v) for v in key.values()]
+            ks = _key_str(key_list)
+        elif isinstance(key, (list, tuple)):
+            key_list = [str(x) for x in key]
+            ks = _key_str(key_list)
+        else:
+            ks = str(key or "")
+            key_list = [ks] if ks else []
+        before = dict(d.get("before") or {}) if d.get("before") else {}
+        after = dict(d.get("after") or {}) if d.get("after") else {}
+        out[ks] = {
+            "kind": str(d.get("kind") or ""),
+            "key": key_list,
+            "before": before,
+            "after": after,
+            "mapped_before": dict(d.get("mapped_before") or {}) if d.get("mapped_before") else {},
+        }
+    return out
+
+
+def expect_keys_for_metric(
+    expect: dict[str, set[str]],
+    *,
+    metric_id: str,
+    iface_fields: list[str],
+) -> set[str]:
+    keys = set(expect.get(metric_id) or ())
+    if iface_fields and expect.get("_ports"):
+        keys |= set(expect["_ports"])
+    return keys
+
+
+def _current_row(diff: dict[str, Any] | None) -> dict[str, Any]:
+    """Current-side snapshot from a compare diff (empty if removed / missing)."""
+    if not diff:
+        return {}
+    kind = str(diff.get("kind") or "")
+    if kind == "removed":
+        return {}
+    return dict(diff.get("after") or {})
+
+
+def evaluate_metric_dual(
+    *,
+    metric_id: str,
+    key_fields: list[str],
+    iface_fields: list[str],
+    compare_fields: list[str],
+    old_baseline_rows: list[dict[str, Any]],
+    old_current_rows: list[dict[str, Any]],
+    new_baseline_rows: list[dict[str, Any]] | None,
+    new_current_rows: list[dict[str, Any]],
+    port_map: dict[str, str],
+    expect: dict[str, set[str]],
+    window_active: bool,
+    acceptance: bool = False,
+) -> dict[str, Any]:
+    """Run old vs old-baseline, new vs new-baseline (or mapped old baseline), dual merge."""
+    expect_keys = expect_keys_for_metric(expect, metric_id=metric_id, iface_fields=iface_fields)
+
+    old_cmp = compare_rows(
+        before_rows=old_baseline_rows,
+        after_rows=old_current_rows,
+        key_fields=key_fields,
+        iface_fields=[],
+        compare_fields=compare_fields,
+        port_map=None,
+    )
+    old_idx = build_diff_index_from_compare(old_cmp)
+
+    if new_baseline_rows is not None:
+        new_before = new_baseline_rows
+    elif port_map and iface_fields:
+        new_before = [
+            apply_port_map(r, iface_fields=iface_fields, port_map=port_map)
+            for r in old_baseline_rows
+        ]
+    else:
+        new_before = []
+
+    new_cmp = compare_rows(
+        before_rows=new_before,
+        after_rows=new_current_rows,
+        key_fields=key_fields,
+        iface_fields=[],
+        compare_fields=compare_fields,
+        port_map=None,
+    )
+    new_idx = build_diff_index_from_compare(new_cmp)
+
+    rev_map = {v: k for k, v in port_map.items()}
+
+    canon_keys: list[str] = []
+    seen: set[str] = set()
+
+    def _add(canon: str) -> None:
+        if canon and canon not in seen:
+            seen.add(canon)
+            canon_keys.append(canon)
+
+    for ok in sorted(expect_keys):
+        _add(ok)
+    for ks in sorted(old_idx):
+        _add(ks)
+    for ks in sorted(new_idx):
+        _add(rev_map.get(ks, ks))
+
+    rows_out: list[dict[str, Any]] = []
+    progress_ok = 0
+    progress_total = 0
+    anomaly = 0
+
+    for old_ks in canon_keys:
+        new_ks = port_map.get(old_ks, old_ks)
+        in_exp = old_ks in expect_keys
+        if in_exp:
+            progress_total += 1
+
+        od = old_idx.get(old_ks)
+        nd = new_idx.get(new_ks) or new_idx.get(old_ks)
+
+        old_kind = str((od or {}).get("kind") or "")
+        new_kind = str((nd or {}).get("kind") or "")
+        if od is None and nd is None and not in_exp:
+            continue
+        if od is None:
+            old_kind = ""
+        if nd is None:
+            new_kind = ""
+
+        verdict, color = dual_verdict(
+            old_kind=old_kind or "",
+            new_kind=new_kind or "",
+            in_expect=in_exp,
+            window_active=window_active,
+            acceptance=acceptance,
+        )
+        if in_exp and verdict == "migrated" and color == "green":
+            progress_ok += 1
+        if color == "red":
+            anomaly += 1
+
+        old_cur = _current_row(od)
+        new_cur = _current_row(nd)
+
+        rows_out.append(
+            {
+                "metric_id": metric_id,
+                "key": (od or nd or {}).get("key") or [old_ks],
+                "key_str": old_ks,
+                "new_key_str": new_ks,
+                "verdict": verdict,
+                "color": color,
+                "in_expect": in_exp,
+                "old_kind": old_kind,
+                "new_kind": new_kind,
+                "old": old_cur,
+                "new": new_cur,
+                "old_baseline": dict((od or {}).get("before") or {}),
+                "new_baseline": dict((nd or {}).get("before") or {}),
+                "old_status": port_status_label(old_cur)
+                if old_cur
+                else ("gone" if old_kind == "removed" else "—"),
+                "new_status": port_status_label(new_cur)
+                if new_cur
+                else ("gone" if new_kind == "removed" else "—"),
+                "old_side": side_verdict(
+                    kind=old_kind or "unchanged",
+                    in_expect=in_exp,
+                    window_active=window_active,
+                )
+                if old_kind
+                else ("", "gray"),
+                "new_side": side_verdict(
+                    kind=new_kind or "unchanged",
+                    in_expect=in_exp,
+                    window_active=window_active,
+                )
+                if new_kind
+                else ("", "gray"),
+            }
+        )
+
+    return {
+        "metric_id": metric_id,
+        "old_summary": old_cmp.get("summary") or {},
+        "new_summary": new_cmp.get("summary") or {},
+        "progress_ok": progress_ok,
+        "progress_total": progress_total if progress_total else len(expect_keys),
+        "anomaly": anomaly,
+        "rows": rows_out,
+    }
+
+
+def port_sheet_def() -> dict[str, Any]:
+    """Default sheet for port-status cutover monitor (interface_brief only)."""
+    return {
+        "metric_id": PORT_METRIC_ID,
+        "key_fields": ["interface"],
+        "iface_fields": ["interface"],
+        "compare_fields": ["admin", "phy", "prot"],
+        "row_filters": [],
+        "field_rules": [],
+    }

netx_api/biz_migration/service.py

@@ -0,0 +1,973 @@
+"""CRUD + evaluate for cutover migration monitor."""
+
+from __future__ import annotations
+
+from typing import Any
+from uuid import uuid4
+
+from fastapi import HTTPException
+from sqlalchemy.orm import Session
+
+from ..biz_state.compare_rules import apply_row_filters
+from ..biz_state.compare_service import _load_metric_rows, _port_map_dict
+from ..models import (
+    BizMigrationBatch,
+    BizMigrationDiff,
+    BizMigrationProject,
+    BizMigrationRedTicket,
+    BizMigrationRun,
+    BizPortMapping,
+    BizStateBatch,
+    BizStateTask,
+)
+from ..timeutil import utcnow_naive
+from .evaluate import PORT_METRIC_ID, evaluate_metric_dual, parse_expect_set, port_sheet_def
+
+
+def _task_brief(db: Session, task_id: str) -> dict[str, Any]:
+    t = db.get(BizStateTask, task_id) if task_id else None
+    if not t:
+        return {"id": task_id or "", "ne_name": "", "ne_ip": "", "vendor": ""}
+    return {
+        "id": t.id,
+        "ne_name": t.ne_name,
+        "ne_ip": t.ne_ip,
+        "vendor": t.vendor,
+        "status": t.status,
+        "note": t.note,
+        "interval_sec": t.interval_sec,
+        "collect_running": bool(t.collect_running),
+    }
+
+
+def _batch_brief(db: Session, batch_id: str) -> dict[str, Any]:
+    b = db.get(BizStateBatch, batch_id) if batch_id else None
+    if not b:
+        return {"id": batch_id or "", "status": "", "started_at": None}
+    return {
+        "id": b.id,
+        "status": b.status,
+        "started_at": b.started_at.isoformat() if b.started_at else None,
+        "row_count": b.row_count,
+    }
+
+
+def project_to_dict(db: Session, p: BizMigrationProject) -> dict[str, Any]:
+    return {
+        "id": p.id,
+        "name": p.name,
+        "old_task_id": p.old_task_id,
+        "new_task_id": p.new_task_id,
+        "old_baseline_batch_id": p.old_baseline_batch_id,
+        "new_baseline_batch_id": p.new_baseline_batch_id,
+        "mapping_id": p.mapping_id,
+        "status": p.status,
+        "note": p.note,
+        "old_task": _task_brief(db, p.old_task_id),
+        "new_task": _task_brief(db, p.new_task_id),
+        "old_baseline": _batch_brief(db, p.old_baseline_batch_id),
+        "new_baseline": _batch_brief(db, p.new_baseline_batch_id),
+        "created_at": p.created_at.isoformat() if p.created_at else None,
+        "updated_at": p.updated_at.isoformat() if p.updated_at else None,
+    }
+
+
+def batch_to_dict(b: BizMigrationBatch) -> dict[str, Any]:
+    return {
+        "id": b.id,
+        "project_id": b.project_id,
+        "batch_label": b.batch_label,
+        "status": b.status,
+        "expect_set": dict(b.expect_set_json or {}),
+        "started_at": b.started_at.isoformat() if b.started_at else None,
+        "ended_at": b.ended_at.isoformat() if b.ended_at else None,
+        "accept_status": getattr(b, "accept_status", None) or "none",
+        "accept_run_id": getattr(b, "accept_run_id", None) or "",
+        "accept_summary": dict(getattr(b, "accept_summary_json", None) or {}),
+        "note": b.note,
+        "created_at": b.created_at.isoformat() if b.created_at else None,
+        "updated_at": b.updated_at.isoformat() if b.updated_at else None,
+    }
+
+
+def list_projects(db: Session) -> list[dict[str, Any]]:
+    rows = db.query(BizMigrationProject).order_by(BizMigrationProject.created_at.desc()).all()
+    return [project_to_dict(db, p) for p in rows]
+
+
+def create_project(db: Session, body: dict[str, Any]) -> dict[str, Any]:
+    name = str(body.get("name") or "").strip()
+    if not name:
+        raise HTTPException(status_code=400, detail="name_required")
+    old_task_id = str(body.get("old_task_id") or "").strip()
+    new_task_id = str(body.get("new_task_id") or "").strip()
+    if not old_task_id or not new_task_id:
+        raise HTTPException(status_code=400, detail="old_new_task_required")
+    if not db.get(BizStateTask, old_task_id) or not db.get(BizStateTask, new_task_id):
+        raise HTTPException(status_code=404, detail="task_not_found")
+    mapping_id = str(body.get("mapping_id") or "").strip()
+    if mapping_id and not db.get(BizPortMapping, mapping_id):
+        raise HTTPException(status_code=404, detail="mapping_not_found")
+    p = BizMigrationProject(
+        id=uuid4().hex,
+        name=name,
+        old_task_id=old_task_id,
+        new_task_id=new_task_id,
+        old_baseline_batch_id=str(body.get("old_baseline_batch_id") or "").strip(),
+        new_baseline_batch_id=str(body.get("new_baseline_batch_id") or "").strip(),
+        mapping_id=mapping_id,
+        status=str(body.get("status") or "draft").strip() or "draft",
+        note=str(body.get("note") or "")[:500],
+    )
+    db.add(p)
+    db.commit()
+    db.refresh(p)
+    return project_to_dict(db, p)
+
+
+def get_project(db: Session, project_id: str) -> dict[str, Any]:
+    p = db.get(BizMigrationProject, project_id)
+    if not p:
+        raise HTTPException(status_code=404, detail="project_not_found")
+    return project_to_dict(db, p)
+
+
+def patch_project(db: Session, project_id: str, body: dict[str, Any]) -> dict[str, Any]:
+    p = db.get(BizMigrationProject, project_id)
+    if not p:
+        raise HTTPException(status_code=404, detail="project_not_found")
+    if "name" in body and body["name"] is not None:
+        p.name = str(body["name"]).strip() or p.name
+    if "note" in body and body["note"] is not None:
+        p.note = str(body["note"])[:500]
+    if "status" in body and body["status"] is not None:
+        p.status = str(body["status"]).strip() or p.status
+    if "mapping_id" in body and body["mapping_id"] is not None:
+        mid = str(body["mapping_id"] or "").strip()
+        if mid and not db.get(BizPortMapping, mid):
+            raise HTTPException(status_code=404, detail="mapping_not_found")
+        p.mapping_id = mid
+    if "old_baseline_batch_id" in body and body["old_baseline_batch_id"] is not None:
+        bid = str(body["old_baseline_batch_id"] or "").strip()
+        if bid and not db.get(BizStateBatch, bid):
+            raise HTTPException(status_code=404, detail="batch_not_found")
+        p.old_baseline_batch_id = bid
+    if "new_baseline_batch_id" in body and body["new_baseline_batch_id"] is not None:
+        bid = str(body["new_baseline_batch_id"] or "").strip()
+        if bid and not db.get(BizStateBatch, bid):
+            raise HTTPException(status_code=404, detail="batch_not_found")
+        p.new_baseline_batch_id = bid
+    p.updated_at = utcnow_naive()
+    db.commit()
+    db.refresh(p)
+    return project_to_dict(db, p)
+
+
+def delete_project(db: Session, project_id: str) -> dict[str, Any]:
+    p = db.get(BizMigrationProject, project_id)
+    if not p:
+        raise HTTPException(status_code=404, detail="project_not_found")
+    batches = db.query(BizMigrationBatch).filter(BizMigrationBatch.project_id == project_id).all()
+    for b in batches:
+        runs = db.query(BizMigrationRun).filter(BizMigrationRun.batch_id == b.id).all()
+        for r in runs:
+            db.query(BizMigrationDiff).filter(BizMigrationDiff.run_id == r.id).delete()
+            db.delete(r)
+        db.delete(b)
+    db.delete(p)
+    db.commit()
+    return {"ok": True}
+
+
+def list_batches(db: Session, project_id: str) -> list[dict[str, Any]]:
+    if not db.get(BizMigrationProject, project_id):
+        raise HTTPException(status_code=404, detail="project_not_found")
+    rows = (
+        db.query(BizMigrationBatch)
+        .filter(BizMigrationBatch.project_id == project_id)
+        .order_by(BizMigrationBatch.created_at.desc())
+        .all()
+    )
+    return [batch_to_dict(b) for b in rows]
+
+
+def create_batch(db: Session, project_id: str, body: dict[str, Any]) -> dict[str, Any]:
+    if not db.get(BizMigrationProject, project_id):
+        raise HTTPException(status_code=404, detail="project_not_found")
+    label = str(body.get("batch_label") or "").strip() or "batch"
+    expect = body.get("expect_set") if isinstance(body.get("expect_set"), dict) else {}
+    b = BizMigrationBatch(
+        id=uuid4().hex,
+        project_id=project_id,
+        batch_label=label,
+        status=str(body.get("status") or "pending").strip() or "pending",
+        expect_set_json=dict(expect or {}),
+        note=str(body.get("note") or "")[:500],
+    )
+    db.add(b)
+    db.commit()
+    db.refresh(b)
+    out = batch_to_dict(b)
+    out["open_red_count"] = count_open_red_tickets(db, project_id)
+    return out
+
+
+def _latest_success_batch(db: Session, task_id: str) -> BizStateBatch | None:
+    return (
+        db.query(BizStateBatch)
+        .filter(
+            BizStateBatch.task_id == task_id,
+            BizStateBatch.status.in_(("success", "partial")),
+        )
+        .order_by(BizStateBatch.started_at.desc())
+        .first()
+    )
+
+
+def pinned_baseline_batch_ids(db: Session) -> set[str]:
+    """Batch IDs that must survive retention purge."""
+    ids: set[str] = set()
+    for p in db.query(BizMigrationProject).all():
+        if p.old_baseline_batch_id:
+            ids.add(p.old_baseline_batch_id)
+        if p.new_baseline_batch_id:
+            ids.add(p.new_baseline_batch_id)
+    return ids
+
+
+def run_evaluate(
+    db: Session,
+    *,
+    batch_id: str,
+    old_batch_id: str = "",
+    new_batch_id: str = "",
+    acceptance: bool = False,
+    purpose: str = "manual",
+) -> dict[str, Any]:
+    mb = db.get(BizMigrationBatch, batch_id)
+    if not mb:
+        raise HTTPException(status_code=404, detail="batch_not_found")
+    proj = db.get(BizMigrationProject, mb.project_id)
+    if not proj:
+        raise HTTPException(status_code=404, detail="project_not_found")
+    if not proj.old_baseline_batch_id:
+        raise HTTPException(status_code=400, detail="old_baseline_required")
+
+    old_batch = db.get(BizStateBatch, old_batch_id.strip()) if old_batch_id.strip() else None
+    if not old_batch:
+        old_batch = _latest_success_batch(db, proj.old_task_id)
+    new_batch = db.get(BizStateBatch, new_batch_id.strip()) if new_batch_id.strip() else None
+    if not new_batch:
+        new_batch = _latest_success_batch(db, proj.new_task_id)
+    if not old_batch:
+        raise HTTPException(status_code=400, detail="old_current_batch_required")
+    if not new_batch:
+        raise HTTPException(status_code=400, detail="new_current_batch_required")
+    old_cur = old_batch.id
+    new_cur = new_batch.id
+
+    port_map = _port_map_dict(db, proj.mapping_id)
+    expect = parse_expect_set(mb.expect_set_json if isinstance(mb.expect_set_json, dict) else {})
+    # Final acceptance: window closed → unfinished expect = red
+    window_active = (mb.status == "active") and (not acceptance)
+    sheets = [port_sheet_def()]
+
+    sheet_cards: list[dict[str, Any]] = []
+    all_rows: list[dict[str, Any]] = []
+    seq = 0
+    verdict_counts: dict[str, int] = {}
+
+    for sheet in sheets:
+        mid = sheet["metric_id"]
+        key_fields = list(sheet.get("key_fields") or [])
+        if not key_fields:
+            continue
+        iface_fields = list(sheet.get("iface_fields") or [])
+        compare_fields = list(sheet.get("compare_fields") or [])
+        row_filters = list(sheet.get("row_filters") or [])
+
+        old_base = apply_row_filters(
+            _load_metric_rows(db, batch_id=proj.old_baseline_batch_id, metric_id=mid),
+            row_filters,
+        )
+        old_now = apply_row_filters(
+            _load_metric_rows(db, batch_id=old_cur, metric_id=mid),
+            row_filters,
+        )
+        new_base_rows = None
+        if proj.new_baseline_batch_id:
+            new_base_rows = apply_row_filters(
+                _load_metric_rows(db, batch_id=proj.new_baseline_batch_id, metric_id=mid),
+                row_filters,
+            )
+        new_now = apply_row_filters(
+            _load_metric_rows(db, batch_id=new_cur, metric_id=mid),
+            row_filters,
+        )
+
+        one = evaluate_metric_dual(
+            metric_id=mid,
+            key_fields=key_fields,
+            iface_fields=iface_fields,
+            compare_fields=compare_fields,
+            old_baseline_rows=old_base,
+            old_current_rows=old_now,
+            new_baseline_rows=new_base_rows,
+            new_current_rows=new_now,
+            port_map=port_map,
+            expect=expect,
+            window_active=window_active,
+            acceptance=acceptance,
+        )
+        sheet_cards.append(
+            {
+                "metric_id": mid,
+                "title": "端口状态",
+                "progress_ok": one["progress_ok"],
+                "progress_total": one["progress_total"],
+                "anomaly": one["anomaly"],
+                "old_summary": one["old_summary"],
+                "new_summary": one["new_summary"],
+            }
+        )
+        for r in one["rows"]:
+            r["seq"] = seq
+            seq += 1
+            all_rows.append(r)
+            v = str(r.get("verdict") or "")
+            if v:
+                verdict_counts[v] = verdict_counts.get(v, 0) + 1
+
+    run = BizMigrationRun(
+        id=uuid4().hex,
+        project_id=proj.id,
+        batch_id=mb.id,
+        old_batch_id=old_cur,
+        new_batch_id=new_cur,
+        purpose=str(purpose or ("acceptance" if acceptance else "manual"))[:32],
+        status="success",
+        summary_json={
+            "metric_focus": PORT_METRIC_ID,
+            "acceptance": acceptance,
+            "sheet_cards": sheet_cards,
+            "progress": {
+                "ok": sum(c["progress_ok"] for c in sheet_cards),
+                "total": sum(c["progress_total"] for c in sheet_cards),
+            },
+            "anomaly": sum(c["anomaly"] for c in sheet_cards),
+            "verdict_counts": verdict_counts,
+            "window_active": window_active,
+            "expect_ports": sorted(expect.get("_ports") or ()),
+        },
+        message="",
+    )
+    db.add(run)
+    db.flush()
+    for r in all_rows:
+        key_list = r.get("key") or []
+        search = " ".join(
+            [
+                str(r.get("key_str") or ""),
+                str(r.get("new_key_str") or ""),
+                str(r.get("verdict") or ""),
+                str(r.get("old_status") or ""),
+                str(r.get("new_status") or ""),
+                str(r.get("metric_id") or ""),
+            ]
+        )
+        db.add(
+            BizMigrationDiff(
+                id=uuid4().hex,
+                run_id=run.id,
+                metric_id=str(r.get("metric_id") or ""),
+                seq=int(r.get("seq") or 0),
+                verdict=str(r.get("verdict") or ""),
+                color=str(r.get("color") or ""),
+                key_json={
+                    "key": key_list,
+                    "key_str": r.get("key_str"),
+                    "new_key_str": r.get("new_key_str"),
+                    "old_status": r.get("old_status"),
+                    "new_status": r.get("new_status"),
+                },
+                old_kind=str(r.get("old_kind") or ""),
+                new_kind=str(r.get("new_kind") or ""),
+                old_json=dict(r.get("old") or {}),
+                new_json=dict(r.get("new") or {}),
+                in_expect=bool(r.get("in_expect")),
+                search_text=search[:2000],
+            )
+        )
+    db.commit()
+    db.refresh(run)
+    return run_to_dict(db, run)
+
+
+def run_to_dict(db: Session, run: BizMigrationRun, *, include_diffs: bool = False) -> dict[str, Any]:
+    out: dict[str, Any] = {
+        "id": run.id,
+        "project_id": run.project_id,
+        "batch_id": run.batch_id,
+        "old_batch_id": run.old_batch_id,
+        "new_batch_id": run.new_batch_id,
+        "purpose": getattr(run, "purpose", None) or "manual",
+        "status": run.status,
+        "summary": dict(run.summary_json or {}),
+        "message": run.message,
+        "created_at": run.created_at.isoformat() if run.created_at else None,
+        "old_batch": _batch_brief(db, run.old_batch_id),
+        "new_batch": _batch_brief(db, run.new_batch_id),
+    }
+    if include_diffs:
+        diffs = (
+            db.query(BizMigrationDiff)
+            .filter(BizMigrationDiff.run_id == run.id)
+            .order_by(BizMigrationDiff.seq.asc())
+            .limit(5000)
+            .all()
+        )
+        out["diffs"] = [diff_to_dict(d) for d in diffs]
+    return out
+
+
+def diff_to_dict(d: BizMigrationDiff) -> dict[str, Any]:
+    kj = d.key_json if isinstance(d.key_json, dict) else {}
+    return {
+        "id": d.id,
+        "metric_id": d.metric_id,
+        "seq": d.seq,
+        "verdict": d.verdict,
+        "color": d.color,
+        "key": kj,
+        "key_str": kj.get("key_str") or "",
+        "new_key_str": kj.get("new_key_str") or "",
+        "old_status": kj.get("old_status") or "",
+        "new_status": kj.get("new_status") or "",
+        "old_kind": d.old_kind,
+        "new_kind": d.new_kind,
+        "old": d.old_json,
+        "new": d.new_json,
+        "in_expect": d.in_expect,
+    }
+
+
+def list_baseline_ports(db: Session, project_id: str) -> dict[str, Any]:
+    """List interface names from project old baseline for expect-set picking."""
+    p = db.get(BizMigrationProject, project_id)
+    if not p:
+        raise HTTPException(status_code=404, detail="project_not_found")
+    if not p.old_baseline_batch_id:
+        return {"batch_id": "", "ports": [], "mapped": {}}
+    rows = _load_metric_rows(
+        db, batch_id=p.old_baseline_batch_id, metric_id=PORT_METRIC_ID
+    )
+    port_map = _port_map_dict(db, p.mapping_id)
+    ports: list[dict[str, Any]] = []
+    for r in rows:
+        name = str(r.get("interface") or "").strip()
+        if not name:
+            continue
+        ports.append(
+            {
+                "interface": name,
+                "admin": r.get("admin") or "",
+                "phy": r.get("phy") or "",
+                "prot": r.get("prot") or "",
+                "description": r.get("description") or "",
+                "mapped_to": port_map.get(name) or "",
+            }
+        )
+    ports.sort(key=lambda x: str(x["interface"]))
+    return {
+        "batch_id": p.old_baseline_batch_id,
+        "metric_id": PORT_METRIC_ID,
+        "ports": ports,
+        "mapped": port_map,
+    }
+
+
+def _iface_brief_item(*, vendor: str, device_type: str) -> dict[str, Any]:
+    from ..biz_state.profiles import profiles_for_vendor
+    from ..lldp_shared import resolve_vendor_key
+
+    vkey = resolve_vendor_key(vendor, device_type)
+    for p in profiles_for_vendor(vkey):
+        if p.metric_id == PORT_METRIC_ID and p.kind == "collect":
+            return {
+                "source_profile_id": p.profile_id,
+                "kind": "catalog",
+                "enabled": True,
+                "title": p.title or "interface brief",
+            }
+    raise HTTPException(
+        status_code=400,
+        detail=f"no_interface_brief_profile_for_vendor:{vkey or vendor or 'unknown'}",
+    )
+
+
+def _enabled_metric_ids(db: Session, task_id: str) -> set[str]:
+    from ..biz_state.profiles import get_profile
+    from ..models import BizStateTaskItem
+
+    out: set[str] = set()
+    items = (
+        db.query(BizStateTaskItem)
+        .filter(BizStateTaskItem.task_id == task_id, BizStateTaskItem.enabled.is_(True))
+        .all()
+    )
+    for it in items:
+        if it.kind == "custom_raw":
+            out.add("__custom__")
+            continue
+        p = get_profile(str(it.source_profile_id or ""))
+        if p and p.metric_id:
+            out.add(p.metric_id)
+    return out
+
+
+def _is_port_highfreq_task(db: Session, task: BizStateTask) -> bool:
+    """True when task is interface_brief-only with short interval (cutover HF)."""
+    metrics = _enabled_metric_ids(db, task.id)
+    return metrics == {PORT_METRIC_ID} and int(task.interval_sec or 0) <= 300
+
+
+def _ensure_side_highfreq(
+    db: Session,
+    *,
+    template: BizStateTask,
+    project_name: str,
+    interval_sec: int,
+    retention_days: int,
+) -> tuple[BizStateTask, bool]:
+    """Return (task, created). Reuse if already HF port-only; else create sibling."""
+    from ..biz_state import service as biz_svc
+
+    if _is_port_highfreq_task(db, template):
+        if template.status != "running":
+            biz_svc.update_task(db, template.id, {"status": "running"})
+            refreshed = db.get(BizStateTask, template.id)
+            return refreshed or template, False
+        return template, False
+
+    item = _iface_brief_item(vendor=template.vendor, device_type=template.device_type)
+    note = f"割接高频-端口/{project_name}"[:256]
+    created = biz_svc.create_task(
+        db,
+        {
+            "source": template.source,
+            "ne_id": template.ne_id,
+            "ne_name": template.ne_name,
+            "ne_ip": template.ne_ip,
+            "vendor": template.vendor,
+            "device_type": template.device_type,
+            "note": note,
+            "status": "running",
+            "interval_sec": interval_sec,
+            "retention_days": retention_days,
+            "items": [item],
+        },
+    )
+    task = db.get(BizStateTask, str(created.get("id") or ""))
+    if not task:
+        raise HTTPException(status_code=500, detail="highfreq_task_create_failed")
+    return task, True
+
+
+def ensure_port_highfreq(
+    db: Session,
+    project_id: str,
+    *,
+    interval_sec: int = 60,
+    retention_days: int = 7,
+    collect_now: bool = True,
+) -> dict[str, Any]:
+    """Create/bind interface_brief-only high-freq biz_state tasks for old/new NEs.
+
+    Collection stays in biz_state — migration only points at the tasks.
+    Later metrics can be added on the same tasks via the biz-state UI.
+    """
+    from ..biz_state.collect_runner import dispatch_collect
+
+    proj = db.get(BizMigrationProject, project_id)
+    if not proj:
+        raise HTTPException(status_code=404, detail="project_not_found")
+    old_tpl = db.get(BizStateTask, proj.old_task_id) if proj.old_task_id else None
+    new_tpl = db.get(BizStateTask, proj.new_task_id) if proj.new_task_id else None
+    if not old_tpl or not new_tpl:
+        raise HTTPException(status_code=400, detail="old_new_task_required")
+
+    iv = max(60, int(interval_sec or 60))
+    ret = max(1, int(retention_days or 7))
+    old_task, old_created = _ensure_side_highfreq(
+        db,
+        template=old_tpl,
+        project_name=proj.name,
+        interval_sec=iv,
+        retention_days=ret,
+    )
+    # re-load templates after possible commits inside ensure
+    new_tpl = db.get(BizStateTask, proj.new_task_id)
+    if not new_tpl:
+        raise HTTPException(status_code=400, detail="new_task_required")
+    new_task, new_created = _ensure_side_highfreq(
+        db,
+        template=new_tpl,
+        project_name=proj.name,
+        interval_sec=iv,
+        retention_days=ret,
+    )
+
+    proj = db.get(BizMigrationProject, project_id)
+    if not proj:
+        raise HTTPException(status_code=404, detail="project_not_found")
+    proj.old_task_id = old_task.id
+    proj.new_task_id = new_task.id
+    proj.updated_at = utcnow_naive()
+    db.commit()
+
+    collect: dict[str, Any] = {"old": None, "new": None}
+    if collect_now:
+        for side, tid in (("old", old_task.id), ("new", new_task.id)):
+            try:
+                dispatch_collect(tid)
+                collect[side] = {"ok": True, "task_id": tid}
+            except Exception as exc:  # noqa: BLE001
+                collect[side] = {"ok": False, "task_id": tid, "error": str(exc)[:200]}
+
+    return {
+        "project": project_to_dict(db, proj),
+        "old_task": _task_brief(db, old_task.id),
+        "new_task": _task_brief(db, new_task.id),
+        "old_created": old_created,
+        "new_created": new_created,
+        "interval_sec": iv,
+        "collect": collect,
+    }
+
+
+def collect_project_now(db: Session, project_id: str) -> dict[str, Any]:
+    """Trigger immediate collect on project's old/new biz_state tasks."""
+    from ..biz_state.collect_runner import dispatch_collect
+
+    proj = db.get(BizMigrationProject, project_id)
+    if not proj:
+        raise HTTPException(status_code=404, detail="project_not_found")
+    out: dict[str, Any] = {"old": None, "new": None}
+    for side, tid in (("old", proj.old_task_id), ("new", proj.new_task_id)):
+        if not tid:
+            out[side] = {"ok": False, "error": "task_missing"}
+            continue
+        task = db.get(BizStateTask, tid)
+        if not task:
+            out[side] = {"ok": False, "error": "task_not_found"}
+            continue
+        if bool(task.collect_running):
+            out[side] = {"ok": False, "error": "collect_already_running", "task_id": tid}
+            continue
+        try:
+            dispatch_collect(tid)
+            out[side] = {"ok": True, "task_id": tid}
+        except Exception as exc:  # noqa: BLE001
+            out[side] = {"ok": False, "task_id": tid, "error": str(exc)[:200]}
+    return out
+
+
+def _red_ticket_to_dict(t: BizMigrationRedTicket) -> dict[str, Any]:
+    return {
+        "id": t.id,
+        "project_id": t.project_id,
+        "batch_id": t.batch_id,
+        "run_id": t.run_id,
+        "metric_id": t.metric_id,
+        "key_str": t.key_str,
+        "new_key_str": t.new_key_str,
+        "verdict": t.verdict,
+        "color": t.color,
+        "old_status": t.old_status,
+        "new_status": t.new_status,
+        "detail": dict(t.detail_json or {}),
+        "status": t.status,
+        "carried_to_batch_id": t.carried_to_batch_id,
+        "note": t.note,
+        "created_at": t.created_at.isoformat() if t.created_at else None,
+        "resolved_at": t.resolved_at.isoformat() if t.resolved_at else None,
+    }
+
+
+def count_open_red_tickets(db: Session, project_id: str) -> int:
+    return (
+        db.query(BizMigrationRedTicket)
+        .filter(
+            BizMigrationRedTicket.project_id == project_id,
+            BizMigrationRedTicket.status.in_(("open", "carried")),
+        )
+        .count()
+    )
+
+
+def list_red_tickets(
+    db: Session,
+    project_id: str,
+    *,
+    status: str = "",
+    limit: int = 200,
+) -> dict[str, Any]:
+    if not db.get(BizMigrationProject, project_id):
+        raise HTTPException(status_code=404, detail="project_not_found")
+    q = db.query(BizMigrationRedTicket).filter(BizMigrationRedTicket.project_id == project_id)
+    if status.strip():
+        q = q.filter(BizMigrationRedTicket.status == status.strip())
+    rows = (
+        q.order_by(BizMigrationRedTicket.created_at.desc())
+        .limit(min(500, max(1, limit)))
+        .all()
+    )
+    return {
+        "open_count": count_open_red_tickets(db, project_id),
+        "items": [_red_ticket_to_dict(t) for t in rows],
+    }
+
+
+def resolve_red_ticket(db: Session, ticket_id: str, *, note: str = "") -> dict[str, Any]:
+    t = db.get(BizMigrationRedTicket, ticket_id)
+    if not t:
+        raise HTTPException(status_code=404, detail="red_ticket_not_found")
+    t.status = "resolved"
+    t.resolved_at = utcnow_naive()
+    if note:
+        t.note = str(note)[:500]
+    db.commit()
+    db.refresh(t)
+    return _red_ticket_to_dict(t)
+
+
+def _persist_red_tickets_from_run(
+    db: Session,
+    *,
+    project_id: str,
+    batch_id: str,
+    run_id: str,
+) -> list[BizMigrationRedTicket]:
+    """Create open red tickets from acceptance run red diffs (expect + anomaly)."""
+    diffs = (
+        db.query(BizMigrationDiff)
+        .filter(BizMigrationDiff.run_id == run_id, BizMigrationDiff.color == "red")
+        .order_by(BizMigrationDiff.seq.asc())
+        .all()
+    )
+    created: list[BizMigrationRedTicket] = []
+    for d in diffs:
+        kj = d.key_json if isinstance(d.key_json, dict) else {}
+        t = BizMigrationRedTicket(
+            id=uuid4().hex,
+            project_id=project_id,
+            batch_id=batch_id,
+            run_id=run_id,
+            metric_id=d.metric_id,
+            key_str=str(kj.get("key_str") or "")[:256],
+            new_key_str=str(kj.get("new_key_str") or "")[:256],
+            verdict=d.verdict,
+            color=d.color or "red",
+            old_status=str(kj.get("old_status") or "")[:64],
+            new_status=str(kj.get("new_status") or "")[:64],
+            detail_json={
+                "old_kind": d.old_kind,
+                "new_kind": d.new_kind,
+                "in_expect": d.in_expect,
+                "old": d.old_json,
+                "new": d.new_json,
+            },
+            status="open",
+        )
+        db.add(t)
+        created.append(t)
+    return created
+
+
+def finish_batch(
+    db: Session,
+    batch_id: str,
+    *,
+    mark_done: bool = False,
+) -> dict[str, Any]:
+    """本批完成：关窗 → 终验 → 验收小结 → 红单留痕（不硬卡下一批）."""
+    mb = db.get(BizMigrationBatch, batch_id)
+    if not mb:
+        raise HTTPException(status_code=404, detail="batch_not_found")
+    if mb.status not in ("active", "review"):
+        raise HTTPException(
+            status_code=400,
+            detail=f"batch_not_finishable:{mb.status}",
+        )
+
+    # Close window first so acceptance uses non-active rules
+    if mb.status == "active":
+        mb.ended_at = utcnow_naive()
+    mb.status = "done" if mark_done else "review"
+    mb.updated_at = utcnow_naive()
+    db.commit()
+
+    run = run_evaluate(db, batch_id=batch_id, acceptance=True, purpose="acceptance")
+    summary = dict(run.get("summary") or {})
+    progress = dict(summary.get("progress") or {})
+    anomaly = int(summary.get("anomaly") or 0)
+    ok = int(progress.get("ok") or 0)
+    total = int(progress.get("total") or 0)
+    passed = anomaly == 0 and (total == 0 or ok >= total)
+
+    accept_summary = {
+        "passed": passed,
+        "progress_ok": ok,
+        "progress_total": total,
+        "anomaly": anomaly,
+        "verdict_counts": dict(summary.get("verdict_counts") or {}),
+        "expect_ports": list(summary.get("expect_ports") or []),
+        "run_id": run.get("id"),
+        "old_batch_id": run.get("old_batch_id"),
+        "new_batch_id": run.get("new_batch_id"),
+        "finished_at": utcnow_naive().isoformat(),
+    }
+
+    mb = db.get(BizMigrationBatch, batch_id)
+    if not mb:
+        raise HTTPException(status_code=404, detail="batch_not_found")
+    mb.accept_run_id = str(run.get("id") or "")
+    mb.accept_status = "passed" if passed else "failed"
+    mb.accept_summary_json = accept_summary
+    mb.updated_at = utcnow_naive()
+
+    # Replace prior open tickets from this batch's previous acceptance (re-finish)
+    db.query(BizMigrationRedTicket).filter(
+        BizMigrationRedTicket.batch_id == batch_id,
+        BizMigrationRedTicket.status == "open",
+    ).delete()
+    reds = _persist_red_tickets_from_run(
+        db,
+        project_id=mb.project_id,
+        batch_id=batch_id,
+        run_id=str(run.get("id") or ""),
+    )
+    db.commit()
+    db.refresh(mb)
+
+    return {
+        "batch": batch_to_dict(mb),
+        "run": run,
+        "accept_summary": accept_summary,
+        "red_tickets": [_red_ticket_to_dict(t) for t in reds],
+        "open_red_count": count_open_red_tickets(db, mb.project_id),
+        "can_continue": True,  # 带红继续：永不硬卡
+    }
+
+
+def patch_batch(db: Session, batch_id: str, body: dict[str, Any]) -> dict[str, Any]:
+    b = db.get(BizMigrationBatch, batch_id)
+    if not b:
+        raise HTTPException(status_code=404, detail="batch_not_found")
+    if "batch_label" in body and body["batch_label"] is not None:
+        b.batch_label = str(body["batch_label"]).strip() or b.batch_label
+    if "note" in body and body["note"] is not None:
+        b.note = str(body["note"])[:500]
+    if "expect_set" in body and isinstance(body["expect_set"], dict):
+        b.expect_set_json = dict(body["expect_set"])
+    if "status" in body and body["status"] is not None:
+        st = str(body["status"]).strip()
+        # Prefer finish_batch for review/done from active (auto acceptance)
+        if st in ("review", "done") and b.status == "active":
+            return finish_batch(db, batch_id, mark_done=(st == "done"))["batch"]
+        prev = b.status
+        b.status = st or b.status
+        if st == "active" and prev != "active":
+            b.started_at = utcnow_naive()
+            # 带红：标记既有 open 红单为 carried（不关闭）
+            open_reds = (
+                db.query(BizMigrationRedTicket)
+                .filter(
+                    BizMigrationRedTicket.project_id == b.project_id,
+                    BizMigrationRedTicket.status == "open",
+                )
+                .all()
+            )
+            for t in open_reds:
+                t.status = "carried"
+                t.carried_to_batch_id = b.id
+    b.updated_at = utcnow_naive()
+    db.commit()
+    db.refresh(b)
+    return batch_to_dict(b)
+
+
+def get_run(db: Session, run_id: str) -> dict[str, Any]:
+    run = db.get(BizMigrationRun, run_id)
+    if not run:
+        raise HTTPException(status_code=404, detail="run_not_found")
+    return run_to_dict(db, run, include_diffs=False)
+
+
+def list_run_diffs(
+    db: Session,
+    run_id: str,
+    *,
+    metric_id: str = "",
+    verdict: str = "",
+    color: str = "",
+    kw: str = "",
+    offset: int = 0,
+    limit: int = 100,
+) -> dict[str, Any]:
+    if not db.get(BizMigrationRun, run_id):
+        raise HTTPException(status_code=404, detail="run_not_found")
+    q = db.query(BizMigrationDiff).filter(BizMigrationDiff.run_id == run_id)
+    if metric_id:
+        q = q.filter(BizMigrationDiff.metric_id == metric_id)
+    if verdict:
+        q = q.filter(BizMigrationDiff.verdict == verdict)
+    if color:
+        q = q.filter(BizMigrationDiff.color == color)
+    if kw.strip():
+        like = f"%{kw.strip()}%"
+        q = q.filter(BizMigrationDiff.search_text.ilike(like))
+    total = q.count()
+    rows = q.order_by(BizMigrationDiff.seq.asc()).offset(max(0, offset)).limit(min(500, max(1, limit))).all()
+    return {
+        "total": total,
+        "offset": offset,
+        "limit": limit,
+        "items": [diff_to_dict(d) for d in rows],
+    }
+
+
+def list_runs(db: Session, batch_id: str, limit: int = 20) -> list[dict[str, Any]]:
+    rows = (
+        db.query(BizMigrationRun)
+        .filter(BizMigrationRun.batch_id == batch_id)
+        .order_by(BizMigrationRun.created_at.desc())
+        .limit(min(100, max(1, limit)))
+        .all()
+    )
+    return [run_to_dict(db, r) for r in rows]
+
+
+def board(db: Session, batch_id: str, run_id: str = "") -> dict[str, Any]:
+    """Progress / anomaly board for a migration batch (latest or given run)."""
+    mb = db.get(BizMigrationBatch, batch_id)
+    if not mb:
+        raise HTTPException(status_code=404, detail="batch_not_found")
+    proj = get_project(db, mb.project_id)
+    run = None
+    if run_id:
+        run = db.get(BizMigrationRun, run_id)
+        if not run or run.batch_id != batch_id:
+            raise HTTPException(status_code=404, detail="run_not_found")
+    else:
+        run = (
+            db.query(BizMigrationRun)
+            .filter(BizMigrationRun.batch_id == batch_id)
+            .order_by(BizMigrationRun.created_at.desc())
+            .first()
+        )
+    return {
+        "project": proj,
+        "batch": batch_to_dict(mb),
+        "run": run_to_dict(db, run) if run else None,
+    }

netx_api/biz_migration_router.py

@@ -0,0 +1,211 @@
+"""HTTP API for cutover migration monitor (/v1/biz-migration)."""
+
+from __future__ import annotations
+
+from typing import Any
+
+from fastapi import APIRouter, Depends
+from pydantic import BaseModel, Field
+from sqlalchemy.orm import Session
+
+from .biz_migration import service as svc
+from .db import get_db
+
+router = APIRouter(prefix="/v1/biz-migration", tags=["biz-migration"])
+
+
+class ProjectIn(BaseModel):
+    name: str
+    old_task_id: str
+    new_task_id: str
+    old_baseline_batch_id: str = ""
+    new_baseline_batch_id: str = ""
+    mapping_id: str = ""
+    status: str = "draft"
+    note: str = ""
+
+
+class ProjectPatchIn(BaseModel):
+    name: str | None = None
+    old_baseline_batch_id: str | None = None
+    new_baseline_batch_id: str | None = None
+    mapping_id: str | None = None
+    status: str | None = None
+    note: str | None = None
+
+
+class BatchIn(BaseModel):
+    batch_label: str = "batch"
+    expect_set: dict[str, Any] = Field(default_factory=dict)
+    status: str = "pending"
+    note: str = ""
+
+
+class BatchPatchIn(BaseModel):
+    batch_label: str | None = None
+    expect_set: dict[str, Any] | None = None
+    status: str | None = None
+    note: str | None = None
+
+
+class EvaluateIn(BaseModel):
+    old_batch_id: str = ""
+    new_batch_id: str = ""
+
+
+@router.get("/projects")
+def api_list_projects(db: Session = Depends(get_db)):
+    return {"items": svc.list_projects(db)}
+
+
+@router.post("/projects")
+def api_create_project(body: ProjectIn, db: Session = Depends(get_db)):
+    return svc.create_project(db, body.model_dump())
+
+
+@router.get("/projects/{project_id}")
+def api_get_project(project_id: str, db: Session = Depends(get_db)):
+    return svc.get_project(db, project_id)
+
+
+@router.patch("/projects/{project_id}")
+def api_patch_project(project_id: str, body: ProjectPatchIn, db: Session = Depends(get_db)):
+    return svc.patch_project(db, project_id, body.model_dump(exclude_unset=True))
+
+
+@router.delete("/projects/{project_id}")
+def api_delete_project(project_id: str, db: Session = Depends(get_db)):
+    return svc.delete_project(db, project_id)
+
+
+@router.get("/projects/{project_id}/baseline-ports")
+def api_baseline_ports(project_id: str, db: Session = Depends(get_db)):
+    """List old-baseline interface_brief ports for expect-set selection."""
+    return svc.list_baseline_ports(db, project_id)
+
+
+class EnsureHighfreqIn(BaseModel):
+    interval_sec: int = 60
+    retention_days: int = 7
+    collect_now: bool = True
+
+
+@router.post("/projects/{project_id}/ensure-port-highfreq")
+def api_ensure_port_highfreq(
+    project_id: str,
+    body: EnsureHighfreqIn | None = None,
+    db: Session = Depends(get_db),
+):
+    """Create/bind biz_state high-freq interface_brief tasks for old/new NEs."""
+    payload = body.model_dump() if body else {}
+    return svc.ensure_port_highfreq(
+        db,
+        project_id,
+        interval_sec=int(payload.get("interval_sec") or 60),
+        retention_days=int(payload.get("retention_days") or 7),
+        collect_now=bool(payload.get("collect_now", True)),
+    )
+
+
+@router.post("/projects/{project_id}/collect-now")
+def api_collect_now(project_id: str, db: Session = Depends(get_db)):
+    """Trigger immediate collect on project's bound biz_state tasks."""
+    return svc.collect_project_now(db, project_id)
+
+
+@router.get("/projects/{project_id}/batches")
+def api_list_batches(project_id: str, db: Session = Depends(get_db)):
+    return {"items": svc.list_batches(db, project_id)}
+
+
+@router.post("/projects/{project_id}/batches")
+def api_create_batch(project_id: str, body: BatchIn, db: Session = Depends(get_db)):
+    return svc.create_batch(db, project_id, body.model_dump())
+
+
+@router.post("/batches/{batch_id}/finish")
+def api_finish_batch(
+    batch_id: str,
+    mark_done: bool = False,
+    db: Session = Depends(get_db),
+):
+    """本批完成：终验 + 小结 + 红单（允许带红继续）."""
+    return svc.finish_batch(db, batch_id, mark_done=mark_done)
+
+
+@router.get("/projects/{project_id}/red-tickets")
+def api_list_red_tickets(
+    project_id: str,
+    status: str = "",
+    limit: int = 200,
+    db: Session = Depends(get_db),
+):
+    return svc.list_red_tickets(db, project_id, status=status, limit=limit)
+
+
+class RedTicketPatchIn(BaseModel):
+    note: str = ""
+
+
+@router.post("/red-tickets/{ticket_id}/resolve")
+def api_resolve_red_ticket(
+    ticket_id: str,
+    body: RedTicketPatchIn | None = None,
+    db: Session = Depends(get_db),
+):
+    note = body.note if body else ""
+    return svc.resolve_red_ticket(db, ticket_id, note=note)
+
+
+@router.patch("/batches/{batch_id}")
+def api_patch_batch(batch_id: str, body: BatchPatchIn, db: Session = Depends(get_db)):
+    return svc.patch_batch(db, batch_id, body.model_dump(exclude_unset=True))
+
+
+@router.post("/batches/{batch_id}/evaluate")
+def api_evaluate(batch_id: str, body: EvaluateIn | None = None, db: Session = Depends(get_db)):
+    payload = body.model_dump() if body else {}
+    return svc.run_evaluate(
+        db,
+        batch_id=batch_id,
+        old_batch_id=str(payload.get("old_batch_id") or ""),
+        new_batch_id=str(payload.get("new_batch_id") or ""),
+    )
+
+
+@router.get("/batches/{batch_id}/runs")
+def api_list_runs(batch_id: str, limit: int = 20, db: Session = Depends(get_db)):
+    return {"items": svc.list_runs(db, batch_id, limit=limit)}
+
+
+@router.get("/batches/{batch_id}/board")
+def api_board(batch_id: str, run_id: str = "", db: Session = Depends(get_db)):
+    return svc.board(db, batch_id, run_id=run_id)
+
+
+@router.get("/runs/{run_id}")
+def api_get_run(run_id: str, db: Session = Depends(get_db)):
+    return svc.get_run(db, run_id)
+
+
+@router.get("/runs/{run_id}/diffs")
+def api_list_diffs(
+    run_id: str,
+    metric_id: str = "",
+    verdict: str = "",
+    color: str = "",
+    kw: str = "",
+    offset: int = 0,
+    limit: int = 100,
+    db: Session = Depends(get_db),
+):
+    return svc.list_run_diffs(
+        db,
+        run_id,
+        metric_id=metric_id,
+        verdict=verdict,
+        color=color,
+        kw=kw,
+        offset=offset,
+        limit=limit,
+    )

netx_api/biz_state/collect_runner.py

@@ -272,7 +272,6 @@ def dispatch_collect(task_id: str) -> None:
         device_type = str(task.device_type or "")
         source = str(task.source or "managed").strip().lower()
         ne_id = str(task.ne_id or "").strip()
-        retention = int(task.retention_batches or 30)
     finally:
         db.close()
 
@@ -288,7 +287,6 @@ def dispatch_collect(task_id: str) -> None:
             ne_id=ne_id,
             vendor=vendor,
             device_type=device_type,
-            retention=retention,
         )
     except Exception as exc:
         _log.exception("biz_state collect failed task=%s", task_id)
@@ -315,7 +313,6 @@ def _run_collect_session(
     ne_id: str,
     vendor: str,
     device_type: str,
-    retention: int,
 ) -> None:
     per_cmd = int(settings.ne_collect_read_timeout_sec or 120)
     cap = int(settings.ne_collect_run_timeout_cap_sec or 600)
@@ -678,29 +675,29 @@ def _run_collect_session(
                 except Exception:
                     _log.exception("biz_state auto compare hook failed task=%s", task_id)
 
-        _purge_old_batches(db, task_id=task_id, keep=retention)
+        _purge_task_retention(db, task_id=task_id)
     finally:
         db.close()
 
 
-def _purge_old_batches(db, *, task_id: str, keep: int) -> None:
-    keep_n = max(1, int(keep or 30))
-    rows = (
-        db.query(BizStateBatch)
-        .filter(BizStateBatch.task_id == task_id)
-        .order_by(BizStateBatch.started_at.desc())
-        .all()
-    )
-    drop = rows[keep_n:]
-    for b in drop:
-        bid = b.id
-        db.query(BizStateLldpNeighbor).filter(BizStateLldpNeighbor.batch_id == bid).delete()
-        db.query(BizStateVrfRouteSummary).filter(BizStateVrfRouteSummary.batch_id == bid).delete()
-        db.query(BizStateMetricRow).filter(BizStateMetricRow.batch_id == bid).delete()
-        db.query(BizStateBatchCommand).filter(BizStateBatchCommand.batch_id == bid).delete()
-        db.delete(b)
-    if drop:
-        db.commit()
+def _purge_task_retention(db, *, task_id: str) -> None:
+    from .retention import purge_task_batches
+
+    task = db.get(BizStateTask, task_id)
+    if not task:
+        return
+    try:
+        info = purge_task_batches(db, task)
+        if info.get("dropped"):
+            _log.info(
+                "biz_state retention purged task=%s dropped=%s days=%s daily=%s",
+                task_id,
+                info.get("dropped"),
+                info.get("retention_days"),
+                info.get("daily_keep_enabled"),
+            )
+    except Exception:
+        _log.exception("biz_state retention purge failed task=%s", task_id)
 
 
 def trigger_collect_now(task_id: str) -> dict[str, Any]:

netx_api/biz_state/retention.py

@@ -0,0 +1,168 @@
+"""Biz-state batch retention: age/day policies + reference protection."""
+
+from __future__ import annotations
+
+from collections import defaultdict
+from datetime import datetime, timedelta
+from typing import Any
+
+from sqlalchemy.orm import Session
+
+from ..models import (
+    BizCompareJob,
+    BizCompareRun,
+    BizMigrationProject,
+    BizMigrationRun,
+    BizStateBatch,
+    BizStateBatchCommand,
+    BizStateLldpNeighbor,
+    BizStateMetricRow,
+    BizStateTask,
+    BizStateVrfRouteSummary,
+)
+
+
+def _utcnow() -> datetime:
+    return datetime.utcnow()
+
+
+def protected_batch_map(db: Session, *, task_id: str = "") -> dict[str, list[str]]:
+    """batch_id → reason codes. Empty task_id = all tasks."""
+    out: dict[str, list[str]] = defaultdict(list)
+
+    def add(bid: str, reason: str) -> None:
+        b = str(bid or "").strip()
+        if not b:
+            return
+        if reason not in out[b]:
+            out[b].append(reason)
+
+    q = db.query(BizStateBatch)
+    if task_id:
+        q = q.filter(BizStateBatch.task_id == task_id)
+    for b in q.filter(BizStateBatch.is_baseline.is_(True)).all():
+        add(b.id, "manual_baseline")
+
+    for j in db.query(BizCompareJob).all():
+        add(j.before_batch_id, "compare_job_before")
+        add(j.after_batch_id, "compare_job_after")
+
+    for r in db.query(BizCompareRun).all():
+        add(r.before_batch_id, "compare_run_before")
+        add(r.after_batch_id, "compare_run_after")
+
+    for p in db.query(BizMigrationProject).all():
+        add(p.old_baseline_batch_id, "migration_old_baseline")
+        add(p.new_baseline_batch_id, "migration_new_baseline")
+
+    for r in db.query(BizMigrationRun).all():
+        add(r.old_batch_id, "migration_run_old")
+        add(r.new_batch_id, "migration_run_new")
+
+    return dict(out)
+
+
+def protected_batch_ids(db: Session, *, task_id: str = "") -> set[str]:
+    return set(protected_batch_map(db, task_id=task_id).keys())
+
+
+def batch_protect_info(db: Session, batch_id: str) -> dict[str, Any]:
+    reasons = protected_batch_map(db).get(batch_id, [])
+    b = db.get(BizStateBatch, batch_id)
+    if b and bool(getattr(b, "is_baseline", False)) and "manual_baseline" not in reasons:
+        reasons = ["manual_baseline", *reasons]
+    return {
+        "protected": bool(reasons),
+        "reasons": reasons,
+        "is_baseline": bool(b and getattr(b, "is_baseline", False)),
+    }
+
+
+def delete_batch_data(db: Session, batch_id: str) -> None:
+    """Hard-delete one batch and child rows (caller must check protection)."""
+    bid = str(batch_id or "").strip()
+    if not bid:
+        return
+    db.query(BizStateLldpNeighbor).filter(BizStateLldpNeighbor.batch_id == bid).delete()
+    db.query(BizStateVrfRouteSummary).filter(BizStateVrfRouteSummary.batch_id == bid).delete()
+    db.query(BizStateMetricRow).filter(BizStateMetricRow.batch_id == bid).delete()
+    db.query(BizStateBatchCommand).filter(BizStateBatchCommand.batch_id == bid).delete()
+    b = db.get(BizStateBatch, bid)
+    if b:
+        db.delete(b)
+
+
+def purge_task_batches(db: Session, task: BizStateTask) -> dict[str, Any]:
+    """Apply retention_days + optional daily_keep policy. Never deletes protected batches.
+
+    Returns counts for logging/UI.
+    """
+    task_id = str(task.id)
+    retention_days = max(1, int(getattr(task, "retention_days", None) or 30))
+    daily_on = bool(getattr(task, "daily_keep_enabled", False))
+    daily_n = max(1, int(getattr(task, "daily_keep_count", None) or 10))
+
+    protected = protected_batch_ids(db, task_id=task_id)
+    rows = (
+        db.query(BizStateBatch)
+        .filter(BizStateBatch.task_id == task_id)
+        .order_by(BizStateBatch.started_at.desc())
+        .all()
+    )
+    now = _utcnow()
+    cutoff = now - timedelta(days=retention_days)
+    today = now.date()
+
+    to_drop: set[str] = set()
+
+    # 1) Age: older than retention_days
+    for b in rows:
+        if b.id in protected:
+            continue
+        started = b.started_at or now
+        if started < cutoff:
+            to_drop.add(b.id)
+
+    # 2) Daily keep (default off): for each past calendar day, keep N newest
+    if daily_on:
+        by_day: dict[Any, list[BizStateBatch]] = defaultdict(list)
+        for b in rows:
+            started = b.started_at or now
+            d = started.date()
+            if d >= today:
+                continue  # 当天的多余留到第二天再清
+            by_day[d].append(b)
+        for _day, day_rows in by_day.items():
+            # already ordered desc globally; re-sort
+            day_rows.sort(key=lambda x: x.started_at or now, reverse=True)
+            for b in day_rows[daily_n:]:
+                if b.id not in protected:
+                    to_drop.add(b.id)
+
+    dropped = 0
+    for bid in to_drop:
+        delete_batch_data(db, bid)
+        dropped += 1
+    if dropped:
+        db.commit()
+    return {
+        "task_id": task_id,
+        "dropped": dropped,
+        "protected": len(protected),
+        "retention_days": retention_days,
+        "daily_keep_enabled": daily_on,
+        "daily_keep_count": daily_n,
+    }
+
+
+def purge_all_tasks(db: Session) -> dict[str, Any]:
+    """Periodic sweep for all tasks (HF idle tasks included)."""
+    tasks = db.query(BizStateTask).all()
+    total = 0
+    details: list[dict[str, Any]] = []
+    for t in tasks:
+        info = purge_task_batches(db, t)
+        total += int(info.get("dropped") or 0)
+        if info.get("dropped"):
+            details.append(info)
+    return {"dropped": total, "tasks": details}

netx_api/biz_state/schema_ensure.py

@@ -29,6 +29,25 @@ def apply_biz_state_schema(conn: Connection) -> None:
         "CREATE INDEX IF NOT EXISTS ix_biz_compare_diff_run_id ON biz_compare_diff (run_id)",
         "CREATE INDEX IF NOT EXISTS ix_biz_compare_diff_run_metric_kind ON biz_compare_diff (run_id, metric_id, kind)",
         "CREATE INDEX IF NOT EXISTS ix_biz_compare_diff_run_metric_seq ON biz_compare_diff (run_id, metric_id, seq)",
+        "CREATE INDEX IF NOT EXISTS ix_biz_migration_project_status ON biz_migration_project (status)",
+        "CREATE INDEX IF NOT EXISTS ix_biz_migration_batch_project_id ON biz_migration_batch (project_id)",
+        "CREATE INDEX IF NOT EXISTS ix_biz_migration_run_batch_id ON biz_migration_run (batch_id)",
+        "CREATE INDEX IF NOT EXISTS ix_biz_migration_diff_run_id ON biz_migration_diff (run_id)",
+        # Allow multiple biz_state tasks per NE (cutover high-freq + full)
+        "ALTER TABLE biz_state_task DROP CONSTRAINT IF EXISTS uq_biz_state_task_ne",
+        "DROP INDEX IF EXISTS uq_biz_state_task_ne",
+        "CREATE INDEX IF NOT EXISTS ix_biz_state_task_source_ne ON biz_state_task (source, ne_id)",
+        "ALTER TABLE biz_state_task ADD COLUMN IF NOT EXISTS retention_days INTEGER DEFAULT 30",
+        "ALTER TABLE biz_state_task ADD COLUMN IF NOT EXISTS daily_keep_enabled BOOLEAN DEFAULT FALSE",
+        "ALTER TABLE biz_state_task ADD COLUMN IF NOT EXISTS daily_keep_count INTEGER DEFAULT 10",
+        "ALTER TABLE biz_state_batch ADD COLUMN IF NOT EXISTS is_baseline BOOLEAN DEFAULT FALSE",
+        "ALTER TABLE biz_state_batch ADD COLUMN IF NOT EXISTS baseline_marked_at TIMESTAMP",
+        "CREATE INDEX IF NOT EXISTS ix_biz_state_batch_is_baseline ON biz_state_batch (is_baseline)",
+        "ALTER TABLE biz_migration_batch ADD COLUMN IF NOT EXISTS accept_status VARCHAR(32) DEFAULT 'none'",
+        "ALTER TABLE biz_migration_batch ADD COLUMN IF NOT EXISTS accept_run_id VARCHAR(64) DEFAULT ''",
+        "ALTER TABLE biz_migration_batch ADD COLUMN IF NOT EXISTS accept_summary_json JSON DEFAULT '{}'",
+        "ALTER TABLE biz_migration_run ADD COLUMN IF NOT EXISTS purpose VARCHAR(32) DEFAULT 'manual'",
+        "CREATE INDEX IF NOT EXISTS ix_biz_migration_red_project_status ON biz_migration_red_ticket (project_id, status)",
     ):
         try:
             _run_sql(conn, sql)

netx_api/biz_state/service.py

@@ -28,6 +28,12 @@ from ..models import (
 from ..timeutil import utcnow_naive
 from .command_match import preview_task_item
 from .profiles import all_profiles, get_profile, profile_to_public_dict, profiles_for_vendor
+from .retention import (
+    batch_protect_info,
+    delete_batch_data,
+    protected_batch_map,
+    purge_task_batches,
+)
 
 
 def _utcnow() -> datetime:
@@ -134,17 +140,13 @@ def create_task(db: Session, body: dict[str, Any]) -> dict[str, Any]:
     ne_id = str(body.get("ne_id") or "").strip()
     if not ne_id:
         raise HTTPException(status_code=400, detail="ne_id_required")
-    existing = (
-        db.query(BizStateTask)
-        .filter(BizStateTask.source == source, BizStateTask.ne_id == ne_id)
-        .one_or_none()
-    )
-    if existing:
-        raise HTTPException(status_code=409, detail="task_already_exists_for_ne")
 
     meta = _ne_meta(db, source=source, ne_id=ne_id)
     vendor = str(body.get("vendor") or meta["vendor"] or "")
     device_type = str(body.get("device_type") or meta["device_type"] or "")
+    status = str(body.get("status") or "draft").strip() or "draft"
+    if status not in ("draft", "running", "paused", "stopped"):
+        status = "draft"
     task = BizStateTask(
         id=uuid4().hex,
         source=source,
@@ -154,9 +156,13 @@ def create_task(db: Session, body: dict[str, Any]) -> dict[str, Any]:
         vendor=vendor,
         device_type=device_type,
         note=str(body.get("note") or "")[:256],
-        status="draft",
+        status=status,
         interval_sec=max(60, int(body.get("interval_sec") or 3600)),
-        retention_batches=max(1, int(body.get("retention_batches") or 30)),
+        retention_days=max(1, min(3650, int(body.get("retention_days") or 30))),
+        daily_keep_enabled=bool(body.get("daily_keep_enabled") or False),
+        daily_keep_count=max(1, min(1000, int(body.get("daily_keep_count") or 10))),
+        # keep legacy column in sync for brownfield readers
+        retention_batches=max(1, int(body.get("retention_days") or body.get("retention_batches") or 30)),
         created_at=_utcnow(),
         updated_at=_utcnow(),
     )
@@ -230,8 +236,17 @@ def update_task(db: Session, task_id: str, body: dict[str, Any]) -> dict[str, An
         task.note = str(body.get("note") or "")[:256]
     if "interval_sec" in body:
         task.interval_sec = max(60, int(body.get("interval_sec") or 3600))
-    if "retention_batches" in body:
-        task.retention_batches = max(1, int(body.get("retention_batches") or 30))
+    if "retention_days" in body:
+        task.retention_days = max(1, min(3650, int(body.get("retention_days") or 30)))
+        task.retention_batches = task.retention_days  # legacy mirror
+    elif "retention_batches" in body:
+        # backward compat: treat as days if old clients still send it
+        task.retention_days = max(1, min(3650, int(body.get("retention_batches") or 30)))
+        task.retention_batches = task.retention_days
+    if "daily_keep_enabled" in body:
+        task.daily_keep_enabled = bool(body.get("daily_keep_enabled"))
+    if "daily_keep_count" in body:
+        task.daily_keep_count = max(1, min(1000, int(body.get("daily_keep_count") or 10)))
     if "items" in body:
         _replace_items(db, task.id, list(body.get("items") or []))
     if "status" in body:
@@ -337,7 +352,9 @@ def get_task(db: Session, task_id: str) -> dict[str, Any]:
         "note": task.note,
         "status": task.status,
         "interval_sec": task.interval_sec,
-        "retention_batches": task.retention_batches,
+        "retention_days": int(getattr(task, "retention_days", None) or 30),
+        "daily_keep_enabled": bool(getattr(task, "daily_keep_enabled", False)),
+        "daily_keep_count": int(getattr(task, "daily_keep_count", None) or 10),
         "collect_running": bool(task.collect_running),
         "last_collect_started_at": task.last_collect_started_at.isoformat() + "Z"
         if task.last_collect_started_at
@@ -360,6 +377,7 @@ def list_tasks(db: Session) -> list[dict[str, Any]]:
             "ne_name": t.ne_name,
             "ne_ip": t.ne_ip,
             "vendor": t.vendor,
+            "note": t.note,
             "status": t.status,
             "interval_sec": t.interval_sec,
             "collect_running": bool(t.collect_running),
@@ -377,11 +395,20 @@ def delete_task(db: Session, task_id: str) -> None:
     if not task:
         raise HTTPException(status_code=404, detail="task_not_found")
     batches = db.query(BizStateBatch).filter(BizStateBatch.task_id == task_id).all()
+    # Refuse if any batch is still referenced by compare/migration (manual baseline is OK to drop with task)
+    pmap = protected_batch_map(db, task_id=task_id)
+    blocked: list[dict[str, Any]] = []
     for b in batches:
-        db.query(BizStateLldpNeighbor).filter(BizStateLldpNeighbor.batch_id == b.id).delete()
-        db.query(BizStateVrfRouteSummary).filter(BizStateVrfRouteSummary.batch_id == b.id).delete()
-        db.query(BizStateBatchCommand).filter(BizStateBatchCommand.batch_id == b.id).delete()
-        db.delete(b)
+        reasons = [r for r in pmap.get(b.id, []) if r != "manual_baseline"]
+        if reasons:
+            blocked.append({"batch_id": b.id, "reasons": reasons})
+    if blocked:
+        raise HTTPException(
+            status_code=409,
+            detail={"error": "batches_referenced", "items": blocked[:20]},
+        )
+    for b in batches:
+        delete_batch_data(db, b.id)
     items = db.query(BizStateTaskItem).filter(BizStateTaskItem.task_id == task_id).all()
     for it in items:
         db.query(BizStateTaskItemBinding).filter(BizStateTaskItemBinding.item_id == it.id).delete()
@@ -391,28 +418,101 @@ def delete_task(db: Session, task_id: str) -> None:
     db.commit()
 
 
+def _batch_list_item(b: BizStateBatch, protect: dict[str, Any]) -> dict[str, Any]:
+    return {
+        "id": b.id,
+        "status": b.status,
+        "command_count": b.command_count,
+        "row_count": b.row_count,
+        "message": b.message,
+        "ne_name": b.ne_name or "",
+        "ne_id": b.ne_id or "",
+        "started_at": b.started_at.isoformat() + "Z" if b.started_at else None,
+        "ended_at": b.ended_at.isoformat() + "Z" if b.ended_at else None,
+        "is_baseline": bool(getattr(b, "is_baseline", False)),
+        "baseline_marked_at": b.baseline_marked_at.isoformat() + "Z"
+        if getattr(b, "baseline_marked_at", None)
+        else None,
+        "protected": bool(protect.get("protected")),
+        "protect_reasons": list(protect.get("reasons") or []),
+    }
+
+
 def list_batches(db: Session, task_id: str, *, limit: int = 50) -> list[dict[str, Any]]:
     rows = (
         db.query(BizStateBatch)
         .filter(BizStateBatch.task_id == task_id)
         .order_by(BizStateBatch.started_at.desc())
-        .limit(max(1, min(200, int(limit))))
+        .limit(max(1, min(500, int(limit))))
         .all()
     )
-    return [
-        {
-            "id": b.id,
-            "status": b.status,
-            "command_count": b.command_count,
-            "row_count": b.row_count,
-            "message": b.message,
-            "ne_name": b.ne_name or "",
-            "ne_id": b.ne_id or "",
-            "started_at": b.started_at.isoformat() + "Z" if b.started_at else None,
-            "ended_at": b.ended_at.isoformat() + "Z" if b.ended_at else None,
-        }
-        for b in rows
-    ]
+    pmap = protected_batch_map(db, task_id=task_id)
+    out: list[dict[str, Any]] = []
+    for b in rows:
+        reasons = list(pmap.get(b.id, []))
+        if bool(getattr(b, "is_baseline", False)) and "manual_baseline" not in reasons:
+            reasons = ["manual_baseline", *reasons]
+        out.append(
+            _batch_list_item(
+                b,
+                {"protected": bool(reasons), "reasons": reasons},
+            )
+        )
+    return out
+
+
+def set_batch_baseline(db: Session, batch_id: str, *, marked: bool) -> dict[str, Any]:
+    b = db.get(BizStateBatch, batch_id)
+    if not b:
+        raise HTTPException(status_code=404, detail="batch_not_found")
+    b.is_baseline = bool(marked)
+    b.baseline_marked_at = _utcnow() if marked else None
+    db.commit()
+    return _batch_list_item(b, batch_protect_info(db, batch_id))
+
+
+def delete_batch(db: Session, batch_id: str) -> dict[str, Any]:
+    b = db.get(BizStateBatch, batch_id)
+    if not b:
+        raise HTTPException(status_code=404, detail="batch_not_found")
+    info = batch_protect_info(db, batch_id)
+    if info.get("protected"):
+        raise HTTPException(
+            status_code=409,
+            detail={"error": "batch_protected", "reasons": info.get("reasons") or []},
+        )
+    delete_batch_data(db, batch_id)
+    db.commit()
+    return {"ok": True, "batch_id": batch_id}
+
+
+def delete_batches_bulk(db: Session, batch_ids: list[str]) -> dict[str, Any]:
+    deleted: list[str] = []
+    skipped: list[dict[str, Any]] = []
+    for raw in batch_ids:
+        bid = str(raw or "").strip()
+        if not bid:
+            continue
+        b = db.get(BizStateBatch, bid)
+        if not b:
+            skipped.append({"batch_id": bid, "reasons": ["not_found"]})
+            continue
+        info = batch_protect_info(db, bid)
+        if info.get("protected"):
+            skipped.append({"batch_id": bid, "reasons": info.get("reasons") or []})
+            continue
+        delete_batch_data(db, bid)
+        deleted.append(bid)
+    if deleted:
+        db.commit()
+    return {"ok": True, "deleted": deleted, "skipped": skipped, "deleted_count": len(deleted)}
+
+
+def run_purge_for_task(db: Session, task_id: str) -> dict[str, Any]:
+    task = db.get(BizStateTask, task_id)
+    if not task:
+        raise HTTPException(status_code=404, detail="task_not_found")
+    return purge_task_batches(db, task)
 
 
 def get_batch(db: Session, batch_id: str) -> dict[str, Any]:
@@ -454,6 +554,7 @@ def get_batch(db: Session, batch_id: str) -> dict[str, Any]:
     for r in metric_rows:
         mid = str(r.metric_id or "")
         metrics_by_id.setdefault(mid, []).append(dict(r.data_json or {}))
+    protect = batch_protect_info(db, batch_id)
     return {
         "id": b.id,
         "task_id": b.task_id,
@@ -463,6 +564,12 @@ def get_batch(db: Session, batch_id: str) -> dict[str, Any]:
         "message": b.message,
         "started_at": b.started_at.isoformat() + "Z" if b.started_at else None,
         "ended_at": b.ended_at.isoformat() + "Z" if b.ended_at else None,
+        "is_baseline": bool(getattr(b, "is_baseline", False)),
+        "baseline_marked_at": b.baseline_marked_at.isoformat() + "Z"
+        if getattr(b, "baseline_marked_at", None)
+        else None,
+        "protected": bool(protect.get("protected")),
+        "protect_reasons": list(protect.get("reasons") or []),
         "commands": [
             {
                 "id": c.id,

netx_api/biz_state_router.py

@@ -44,19 +44,32 @@ class TaskCreateIn(BaseModel):
     vendor: str = ""
     device_type: str = ""
     note: str = ""
+    status: str = "draft"
     interval_sec: int = 3600
-    retention_batches: int = 30
+    retention_days: int = 30
+    daily_keep_enabled: bool = False
+    daily_keep_count: int = 10
     items: list[TaskItemIn] = Field(default_factory=list)
 
 
 class TaskPatchIn(BaseModel):
     note: str | None = None
     interval_sec: int | None = None
-    retention_batches: int | None = None
+    retention_days: int | None = None
+    daily_keep_enabled: bool | None = None
+    daily_keep_count: int | None = None
     status: str | None = None
     items: list[TaskItemIn] | None = None
 
 
+class BatchBaselineIn(BaseModel):
+    marked: bool = True
+
+
+class BatchBulkDeleteIn(BaseModel):
+    batch_ids: list[str] = Field(default_factory=list)
+
+
 class PreviewIn(BaseModel):
     vendor: str = ""
     device_type: str = ""
@@ -192,6 +205,31 @@ def api_list_batches(
     return {"items": svc.list_batches(db, task_id, limit=limit)}
 
 
+@router.post("/tasks/{task_id}/purge")
+def api_purge_task(task_id: str, db: Session = Depends(get_db)) -> dict[str, Any]:
+    """Apply retention policy now (age + optional daily keep). Protected batches skipped."""
+    return svc.run_purge_for_task(db, task_id)
+
+
+@router.post("/batches/bulk-delete")
+def api_bulk_delete_batches(
+    body: BatchBulkDeleteIn, db: Session = Depends(get_db)
+) -> dict[str, Any]:
+    return svc.delete_batches_bulk(db, list(body.batch_ids or []))
+
+
+@router.post("/batches/{batch_id}/baseline")
+def api_set_batch_baseline(
+    batch_id: str, body: BatchBaselineIn, db: Session = Depends(get_db)
+) -> dict[str, Any]:
+    return svc.set_batch_baseline(db, batch_id, marked=bool(body.marked))
+
+
+@router.delete("/batches/{batch_id}")
+def api_delete_batch(batch_id: str, db: Session = Depends(get_db)) -> dict[str, Any]:
+    return svc.delete_batch(db, batch_id)
+
+
 @router.get("/batches/{batch_id}")
 def api_get_batch(batch_id: str, db: Session = Depends(get_db)) -> dict[str, Any]:
     return svc.get_batch(db, batch_id)

netx_api/biz_state_scheduler.py

@@ -19,12 +19,40 @@ _thread: threading.Thread | None = None
 _dispatch_pool: ThreadPoolExecutor | None = None
 _pool_lock = threading.Lock()
 _last_tick_mono: float = 0.0
+_last_purge_mono: float = 0.0
+_PURGE_INTERVAL_SEC = 3600.0
 
 
 def _utcnow() -> datetime:
     return datetime.utcnow()
 
 
+def _maybe_purge_retention() -> None:
+    """Hourly sweep so paused/HF tasks still get retention cleanup."""
+    import time as _time
+
+    global _last_purge_mono
+    now = _time.monotonic()
+    if _last_purge_mono and (now - _last_purge_mono) < _PURGE_INTERVAL_SEC:
+        return
+    _last_purge_mono = now
+    db = SessionLocal()
+    try:
+        from .biz_state.retention import purge_all_tasks
+
+        info = purge_all_tasks(db)
+        if info.get("dropped"):
+            _log.info(
+                "biz_state periodic retention dropped=%s tasks=%s",
+                info.get("dropped"),
+                len(info.get("tasks") or []),
+            )
+    except Exception:
+        _log.exception("biz_state periodic retention failed")
+    finally:
+        db.close()
+
+
 def _dispatch_pool_get() -> ThreadPoolExecutor:
     global _dispatch_pool
     with _pool_lock:
@@ -98,6 +126,10 @@ def _loop() -> None:
             try_dispatch_due_tasks()
         except Exception:
             _log.exception("biz_state scheduler tick failed")
+        try:
+            _maybe_purge_retention()
+        except Exception:
+            _log.exception("biz_state retention tick failed")
 
 
 def start_biz_state_scheduler() -> None:

netx_api/main.py

@@ -24,6 +24,7 @@ from .ops_router import router as ops_router
 from .parser_config import load_parser_config
 from .port_traffic_router import router as port_traffic_router
 from .biz_state_router import router as biz_state_router
+from .biz_migration_router import router as biz_migration_router
 from .sql_router import router as sql_router
 from .sql_router import sql_query, sql_ume_query  # noqa: F401 — tests import from main
 from .topology_router import router as topology_router
@@ -76,6 +77,7 @@ app.include_router(collection_router)
 app.include_router(config_sync_router)
 app.include_router(port_traffic_router)
 app.include_router(biz_state_router)
+app.include_router(biz_migration_router)
 app.include_router(webcrt_router)
 app.include_router(topology_router)
 app.include_router(lldp_collect_router)

netx_api/models/__init__.py

@@ -42,6 +42,13 @@ from .biz_state import (
     BizStateTaskItem,
     BizStateTaskItemBinding,
 )
+from .biz_migration import (
+    BizMigrationBatch,
+    BizMigrationDiff,
+    BizMigrationProject,
+    BizMigrationRedTicket,
+    BizMigrationRun,
+)
 from .port_traffic import (
     PortTrafficBoard,
     PortTrafficDevice,
@@ -146,4 +153,9 @@ __all__ = [
     "BizCompareJob",
     "BizCompareRun",
     "BizCompareDiff",
+    "BizMigrationProject",
+    "BizMigrationBatch",
+    "BizMigrationRun",
+    "BizMigrationDiff",
+    "BizMigrationRedTicket",
 ]

netx_api/models/biz_migration.py

@@ -0,0 +1,129 @@
+"""Cutover / migration monitor ORM (separate from biz_state CompareJob)."""
+
+from __future__ import annotations
+
+from datetime import datetime
+from uuid import uuid4
+
+from sqlalchemy import Boolean, DateTime, Index, Integer, String, Text
+from sqlalchemy.orm import Mapped, mapped_column
+
+from ..db import Base
+from ..timeutil import utcnow_naive
+from ._types import JsonType as _JsonType
+
+
+class BizMigrationProject(Base):
+    """Cutover project linking old/new collect tasks + baselines."""
+
+    __tablename__ = "biz_migration_project"
+
+    id: Mapped[str] = mapped_column(String(64), primary_key=True, default=lambda: uuid4().hex)
+    name: Mapped[str] = mapped_column(String(256), default="", index=True)
+    old_task_id: Mapped[str] = mapped_column(String(64), default="", index=True)
+    new_task_id: Mapped[str] = mapped_column(String(64), default="", index=True)
+    old_baseline_batch_id: Mapped[str] = mapped_column(String(64), default="", index=True)
+    new_baseline_batch_id: Mapped[str] = mapped_column(String(64), default="", index=True)
+    # Reuse biz_port_mapping (before_if=old, after_if=new)
+    mapping_id: Mapped[str] = mapped_column(String(64), default="", index=True)
+    status: Mapped[str] = mapped_column(String(32), default="draft", index=True)  # draft|active|done
+    note: Mapped[str] = mapped_column(String(512), default="")
+    created_at: Mapped[datetime] = mapped_column(DateTime, default=utcnow_naive, index=True)
+    updated_at: Mapped[datetime] = mapped_column(DateTime, default=utcnow_naive)
+
+
+class BizMigrationBatch(Base):
+    """One cutover night / wave with an expect set."""
+
+    __tablename__ = "biz_migration_batch"
+
+    id: Mapped[str] = mapped_column(String(64), primary_key=True, default=lambda: uuid4().hex)
+    project_id: Mapped[str] = mapped_column(String(64), default="", index=True)
+    batch_label: Mapped[str] = mapped_column(String(128), default="")
+    # pending | active | review | done
+    status: Mapped[str] = mapped_column(String(32), default="pending", index=True)
+    # {"ports": ["gei-..."], "items": [{"metric_id":"bgp_peer","key":"..."}]}
+    expect_set_json: Mapped[dict] = mapped_column(_JsonType, default=dict)
+    started_at: Mapped[datetime | None] = mapped_column(DateTime, nullable=True)
+    ended_at: Mapped[datetime | None] = mapped_column(DateTime, nullable=True)
+    # Acceptance (set by finish_batch): none | passed | failed
+    accept_status: Mapped[str] = mapped_column(String(32), default="none", index=True)
+    accept_run_id: Mapped[str] = mapped_column(String(64), default="", index=True)
+    accept_summary_json: Mapped[dict] = mapped_column(_JsonType, default=dict)
+    note: Mapped[str] = mapped_column(String(512), default="")
+    created_at: Mapped[datetime] = mapped_column(DateTime, default=utcnow_naive)
+    updated_at: Mapped[datetime] = mapped_column(DateTime, default=utcnow_naive)
+
+
+class BizMigrationRun(Base):
+    """One user-triggered evaluation against baselines + current batches."""
+
+    __tablename__ = "biz_migration_run"
+    __table_args__ = (Index("ix_biz_migration_run_batch_created", "batch_id", "created_at"),)
+
+    id: Mapped[str] = mapped_column(String(64), primary_key=True, default=lambda: uuid4().hex)
+    project_id: Mapped[str] = mapped_column(String(64), default="", index=True)
+    batch_id: Mapped[str] = mapped_column(String(64), default="", index=True)
+    old_batch_id: Mapped[str] = mapped_column(String(64), default="", index=True)
+    new_batch_id: Mapped[str] = mapped_column(String(64), default="", index=True)
+    # manual | acceptance
+    purpose: Mapped[str] = mapped_column(String(32), default="manual", index=True)
+    status: Mapped[str] = mapped_column(String(32), default="success", index=True)
+    summary_json: Mapped[dict] = mapped_column(_JsonType, default=dict)
+    message: Mapped[str] = mapped_column(String(1024), default="")
+    created_at: Mapped[datetime] = mapped_column(DateTime, default=utcnow_naive, index=True)
+
+
+class BizMigrationDiff(Base):
+    """Per-row / dual verdict row for a migration run (paged board detail)."""
+
+    __tablename__ = "biz_migration_diff"
+    __table_args__ = (
+        Index("ix_biz_migration_diff_run_metric", "run_id", "metric_id"),
+        Index("ix_biz_migration_diff_run_verdict", "run_id", "verdict"),
+    )
+
+    id: Mapped[str] = mapped_column(String(64), primary_key=True, default=lambda: uuid4().hex)
+    run_id: Mapped[str] = mapped_column(String(64), default="", index=True)
+    metric_id: Mapped[str] = mapped_column(String(64), default="", index=True)
+    seq: Mapped[int] = mapped_column(Integer, default=0)
+    # ok | expected | anomaly | migrating | migrated | lost | not_involved | unfinished
+    verdict: Mapped[str] = mapped_column(String(32), default="", index=True)
+    # green | yellow | red | gray
+    color: Mapped[str] = mapped_column(String(16), default="")
+    key_json: Mapped[dict] = mapped_column(_JsonType, default=dict)
+    old_kind: Mapped[str] = mapped_column(String(16), default="")
+    new_kind: Mapped[str] = mapped_column(String(16), default="")
+    old_json: Mapped[dict] = mapped_column(_JsonType, default=dict)
+    new_json: Mapped[dict] = mapped_column(_JsonType, default=dict)
+    in_expect: Mapped[bool] = mapped_column(Boolean, default=False)
+    search_text: Mapped[str] = mapped_column(Text, default="")
+
+
+class BizMigrationRedTicket(Base):
+    """Persisted anomaly / unfinished expect items — survive across batches (带红继续)."""
+
+    __tablename__ = "biz_migration_red_ticket"
+    __table_args__ = (
+        Index("ix_biz_migration_red_project_status", "project_id", "status"),
+        Index("ix_biz_migration_red_batch", "batch_id"),
+    )
+
+    id: Mapped[str] = mapped_column(String(64), primary_key=True, default=lambda: uuid4().hex)
+    project_id: Mapped[str] = mapped_column(String(64), default="", index=True)
+    batch_id: Mapped[str] = mapped_column(String(64), default="", index=True)
+    run_id: Mapped[str] = mapped_column(String(64), default="", index=True)
+    metric_id: Mapped[str] = mapped_column(String(64), default="", index=True)
+    key_str: Mapped[str] = mapped_column(String(256), default="")
+    new_key_str: Mapped[str] = mapped_column(String(256), default="")
+    verdict: Mapped[str] = mapped_column(String(32), default="")
+    color: Mapped[str] = mapped_column(String(16), default="red")
+    old_status: Mapped[str] = mapped_column(String(64), default="")
+    new_status: Mapped[str] = mapped_column(String(64), default="")
+    detail_json: Mapped[dict] = mapped_column(_JsonType, default=dict)
+    # open | carried | resolved
+    status: Mapped[str] = mapped_column(String(32), default="open", index=True)
+    carried_to_batch_id: Mapped[str] = mapped_column(String(64), default="")
+    note: Mapped[str] = mapped_column(String(512), default="")
+    created_at: Mapped[datetime] = mapped_column(DateTime, default=utcnow_naive, index=True)
+    resolved_at: Mapped[datetime | None] = mapped_column(DateTime, nullable=True)

netx_api/models/biz_state.py

@@ -14,10 +14,13 @@ from ._types import JsonType as _JsonType
 
 
 class BizStateTask(Base):
-    """Per-NE business state monitoring config."""
+    """Per-NE business state monitoring config.
+
+    Multiple tasks per ``(source, ne_id)`` are allowed (e.g. hourly full +
+    cutover high-freq port-only).
+    """
 
     __tablename__ = "biz_state_task"
-    __table_args__ = (UniqueConstraint("source", "ne_id", name="uq_biz_state_task_ne"),)
 
     id: Mapped[str] = mapped_column(String(64), primary_key=True, default=lambda: uuid4().hex)
     source: Mapped[str] = mapped_column(String(32), default="managed", index=True)
@@ -29,6 +32,12 @@ class BizStateTask(Base):
     note: Mapped[str] = mapped_column(String(256), default="")
     status: Mapped[str] = mapped_column(String(32), default="draft", index=True)  # draft|running|paused|stopped
     interval_sec: Mapped[int] = mapped_column(Integer, default=300)
+    # Keep snapshots for N calendar days (protected baselines/refs never auto-deleted)
+    retention_days: Mapped[int] = mapped_column(Integer, default=30)
+    # Optional: keep only N batches per past calendar day (purge extras next day). Default off.
+    daily_keep_enabled: Mapped[bool] = mapped_column(Boolean, default=False)
+    daily_keep_count: Mapped[int] = mapped_column(Integer, default=10)
+    # Legacy column kept for brownfield reads; unused by new purge path
     retention_batches: Mapped[int] = mapped_column(Integer, default=30)
     collect_running: Mapped[bool] = mapped_column(Boolean, default=False)
     last_collect_started_at: Mapped[datetime | None] = mapped_column(DateTime, nullable=True)
@@ -83,6 +92,9 @@ class BizStateBatch(Base):
     message: Mapped[str] = mapped_column(String(1024), default="")
     started_at: Mapped[datetime] = mapped_column(DateTime, default=utcnow_naive, index=True)
     ended_at: Mapped[datetime | None] = mapped_column(DateTime, nullable=True)
+    # Manual pin: excluded from auto-purge until revoked
+    is_baseline: Mapped[bool] = mapped_column(Boolean, default=False, index=True)
+    baseline_marked_at: Mapped[datetime | None] = mapped_column(DateTime, nullable=True)
 
 
 class BizStateBatchCommand(Base):

tests/test_biz_migration_evaluate.py

@@ -0,0 +1,136 @@
+"""Unit tests for cutover migration evaluate helpers (port status focus)."""
+
+from __future__ import annotations
+
+import unittest
+
+from netx_api.biz_migration.evaluate import (
+    dual_verdict,
+    evaluate_metric_dual,
+    parse_expect_set,
+    port_sheet_def,
+    port_status_label,
+    side_verdict,
+)
+
+
+class ParseExpectSetTests(unittest.TestCase):
+    def test_ports_go_to_interface_brief(self):
+        got = parse_expect_set({"ports": ["gei-1", "gei-2", ""]})
+        self.assertEqual(got["interface_brief"], {"gei-1", "gei-2"})
+        self.assertEqual(got["_ports"], {"gei-1", "gei-2"})
+
+
+class PortSheetTests(unittest.TestCase):
+    def test_port_sheet_fields(self):
+        s = port_sheet_def()
+        self.assertEqual(s["metric_id"], "interface_brief")
+        self.assertEqual(s["key_fields"], ["interface"])
+        self.assertEqual(s["compare_fields"], ["admin", "phy", "prot"])
+
+    def test_status_label(self):
+        self.assertEqual(
+            port_status_label({"admin": "up", "phy": "up", "prot": "up"}),
+            "up/up/up",
+        )
+        self.assertEqual(port_status_label({}), "—")
+
+
+class VerdictTests(unittest.TestCase):
+    def test_side_anomaly_gone(self):
+        self.assertEqual(
+            side_verdict(kind="removed", in_expect=False, window_active=True),
+            ("anomaly_gone", "red"),
+        )
+        self.assertEqual(
+            side_verdict(kind="removed", in_expect=True, window_active=True),
+            ("expected_gone", "yellow"),
+        )
+
+    def test_dual_migrated(self):
+        self.assertEqual(
+            dual_verdict(old_kind="removed", new_kind="added", in_expect=True, window_active=True),
+            ("migrated", "green"),
+        )
+
+    def test_dual_lost(self):
+        self.assertEqual(
+            dual_verdict(old_kind="removed", new_kind="", in_expect=True, window_active=False),
+            ("lost", "red"),
+        )
+
+    def test_acceptance_unfinished_is_red(self):
+        self.assertEqual(
+            dual_verdict(
+                old_kind="unchanged",
+                new_kind="",
+                in_expect=True,
+                window_active=False,
+                acceptance=True,
+            ),
+            ("unfinished", "red"),
+        )
+        # window mode still yellow
+        self.assertEqual(
+            dual_verdict(
+                old_kind="unchanged",
+                new_kind="",
+                in_expect=True,
+                window_active=True,
+                acceptance=False,
+            ),
+            ("migrating", "yellow"),
+        )
+
+
+class EvaluateMetricDualTests(unittest.TestCase):
+    def test_port_migration_happy_path(self):
+        old_base = [{"interface": "gei-old", "admin": "up", "phy": "up", "prot": "up"}]
+        old_cur: list[dict] = []
+        new_cur = [{"interface": "gei-new", "admin": "up", "phy": "up", "prot": "up"}]
+        expect = parse_expect_set({"ports": ["gei-old"]})
+        out = evaluate_metric_dual(
+            metric_id="interface_brief",
+            key_fields=["interface"],
+            iface_fields=["interface"],
+            compare_fields=["admin", "phy", "prot"],
+            old_baseline_rows=old_base,
+            old_current_rows=old_cur,
+            new_baseline_rows=None,
+            new_current_rows=new_cur,
+            port_map={"gei-old": "gei-new"},
+            expect=expect,
+            window_active=True,
+        )
+        self.assertEqual(out["progress_total"], 1)
+        migrated = [r for r in out["rows"] if r["verdict"] == "migrated"]
+        self.assertTrue(migrated, out["rows"])
+        self.assertEqual(migrated[0]["color"], "green")
+        self.assertEqual(migrated[0]["old_status"], "gone")
+        self.assertEqual(migrated[0]["new_status"], "up/up/up")
+        self.assertEqual(out["progress_ok"], 1)
+
+    def test_unexpected_loss_is_anomaly(self):
+        old_base = [{"interface": "gei-keep", "admin": "up", "phy": "up", "prot": "up"}]
+        old_cur: list[dict] = []
+        new_cur = [{"interface": "gei-keep", "admin": "up", "phy": "up", "prot": "up"}]
+        expect = parse_expect_set({"ports": []})
+        out = evaluate_metric_dual(
+            metric_id="interface_brief",
+            key_fields=["interface"],
+            iface_fields=["interface"],
+            compare_fields=["admin", "phy", "prot"],
+            old_baseline_rows=old_base,
+            old_current_rows=old_cur,
+            new_baseline_rows=None,
+            new_current_rows=new_cur,
+            port_map={},
+            expect=expect,
+            window_active=False,
+        )
+        reds = [r for r in out["rows"] if r["color"] == "red"]
+        self.assertTrue(reds, out["rows"])
+
+
+if __name__ == "__main__":
+    unittest.main()

tests/test_biz_state_retention.py

@@ -0,0 +1,97 @@
+"""Retention purge: age days + daily keep + baseline protection."""
+
+from __future__ import annotations
+
+import unittest
+from datetime import datetime, timedelta
+
+from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker
+
+from netx_api.db import Base
+from netx_api.models import BizStateBatch, BizStateTask
+from netx_api.biz_state.retention import purge_task_batches, protected_batch_ids
+
+
+class RetentionPurgeTests(unittest.TestCase):
+    def setUp(self) -> None:
+        engine = create_engine("sqlite+pysqlite:///:memory:", future=True)
+        TestingSession = sessionmaker(
+            bind=engine, autoflush=False, autocommit=False, expire_on_commit=False
+        )
+        Base.metadata.create_all(bind=engine)
+        self.db = TestingSession()
+        self.task = BizStateTask(
+            id="t1",
+            source="managed",
+            ne_id="ne1",
+            status="running",
+            interval_sec=60,
+            retention_days=7,
+            daily_keep_enabled=False,
+            daily_keep_count=10,
+        )
+        self.db.add(self.task)
+        self.db.commit()
+
+    def tearDown(self) -> None:
+        self.db.close()
+
+    def _add_batch(self, bid: str, *, days_ago: float, baseline: bool = False) -> BizStateBatch:
+        started = datetime.utcnow() - timedelta(days=days_ago)
+        b = BizStateBatch(
+            id=bid,
+            task_id=self.task.id,
+            status="success",
+            started_at=started,
+            ended_at=started,
+            is_baseline=baseline,
+            baseline_marked_at=started if baseline else None,
+        )
+        self.db.add(b)
+        self.db.commit()
+        return b
+
+    def test_age_purge_keeps_baseline(self) -> None:
+        self._add_batch("old", days_ago=10)
+        self._add_batch("pin", days_ago=20, baseline=True)
+        self._add_batch("fresh", days_ago=1)
+        info = purge_task_batches(self.db, self.task)
+        self.assertEqual(info["dropped"], 1)
+        ids = {b.id for b in self.db.query(BizStateBatch).all()}
+        self.assertEqual(ids, {"pin", "fresh"})
+        self.assertIn("pin", protected_batch_ids(self.db, task_id=self.task.id))
+
+    def test_daily_keep_skips_today(self) -> None:
+        self.task.daily_keep_enabled = True
+        self.task.daily_keep_count = 1
+        self.db.commit()
+        # same past calendar day: 3 batches → keep 1 newest
+        yesterday_noon = datetime.utcnow().replace(hour=12, minute=0, second=0, microsecond=0) - timedelta(
+            days=1
+        )
+        for i, bid in enumerate(("y1", "y2", "y3")):
+            b = BizStateBatch(
+                id=bid,
+                task_id=self.task.id,
+                status="success",
+                started_at=yesterday_noon - timedelta(hours=i),
+                ended_at=yesterday_noon - timedelta(hours=i),
+            )
+            self.db.add(b)
+        # today: keep all even if > N
+        self._add_batch("tod1", days_ago=0.01)
+        self._add_batch("tod2", days_ago=0.02)
+        self.db.commit()
+        info = purge_task_batches(self.db, self.task)
+        self.assertEqual(info["dropped"], 2)
+        ids = {b.id for b in self.db.query(BizStateBatch).all()}
+        self.assertIn("y1", ids)  # newest yesterday
+        self.assertIn("tod1", ids)
+        self.assertIn("tod2", ids)
+        self.assertNotIn("y2", ids)
+        self.assertNotIn("y3", ids)
+
+
+if __name__ == "__main__":
+    unittest.main()

web/src/App.tsx

@@ -49,6 +49,9 @@ const BizStatePage = lazy(() =>
 const BizComparePage = lazy(() =>
   import("./pages/network/BizComparePage").then((m) => ({ default: m.BizComparePage })),
 );
+const BizMigrationPage = lazy(() =>
+  import("./pages/network/BizMigrationPage").then((m) => ({ default: m.BizMigrationPage })),
+);
 const UsersPage = lazy(() => import("./pages/UsersPage").then((m) => ({ default: m.UsersPage })));
 const AuditLayout = lazy(() =>
   import("./pages/audit/AuditLayout").then((m) => ({ default: m.AuditLayout })),
@@ -128,6 +131,7 @@ function ProtectedApp() {
             <Route path="tasks/port-traffic" element={<PortTrafficPage />} />
             <Route path="tasks/biz-state" element={<BizStatePage />} />
             <Route path="tasks/biz-compare" element={<BizComparePage />} />
+            <Route path="tasks/biz-migration" element={<BizMigrationPage />} />
           </Route>
           <Route path="/collect" element={<Navigate to="/network/tasks/collect" replace />} />
           <Route path="/users" element={<UsersPage />} />

web/src/config/networkNav.ts

@@ -86,6 +86,12 @@ export const NETWORK_NAV: readonly NetworkNavGroup[] = [
         labelKey: "network.nav.bizCompare",
         group: "tasks",
       },
+      {
+        id: "biz-migration",
+        path: "/network/tasks/biz-migration",
+        labelKey: "network.nav.bizMigration",
+        group: "tasks",
+      },
     ],
   },
 ] as const;

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",

web/src/i18n/zh.ts

@@ -158,6 +158,7 @@ const zh = {
       portTrafficWall: "流量大屏",
       bizState: "业务状态监控",
       bizCompare: "业务状态比对",
+      bizMigration: "割接监控",
     },
     collapseNav: "折叠侧栏",
     expandNav: "展开侧栏",
@@ -199,7 +200,25 @@ const zh = {
     intervalUnitDays: "天",
     intervalUnitHours: "小时",
     intervalUnitSeconds: "秒",
-    retention: "保留批次数",
+    retention: "保留天数",
+    retentionHint: "超过天数的批次会自动清理；基线与比对/割接引用的批次不会删除。",
+    dailyKeepEnabled: "每日保留策略",
+    dailyKeepCount: "每天保留次数",
+    dailyKeepHint: "开启后：过去每一天只保留最近 N 次，多余在次日清理（默认关闭）。",
+    markBaseline: "标为基线",
+    unmarkBaseline: "撤销基线",
+    baseline: "基线",
+    protected: "已保护",
+    deleteBatch: "删除",
+    bulkDelete: "批量删除",
+    confirmDeleteBatch: "删除该采集批次？受保护的批次无法删除。",
+    confirmBulkDelete: "删除选中的 {{count}} 个批次？受保护的会自动跳过。",
+    batchDeleted: "已删除批次",
+    bulkDeleted: "已删除 {{deleted}} 个，跳过 {{skipped}} 个",
+    purgeNow: "立即清理",
+    purgeOk: "清理完成：删除 {{dropped}} 个批次",
+    selectAll: "全选可删",
+    colProtect: "保护",
     saveSchedule: "保存周期",
     scheduleSaved: "周期配置已保存",
     colInterval: "周期",
@@ -426,6 +445,88 @@ const zh = {
     colKey: "身份",
     colChange: "变更",
   },
+  bizMigration: {
+    title: "割接监控",
+    hint: "与业务状态比对独立：相对基线漂移 + 本批预期 + 老/新双端判定。复用采集任务与端口映射。",
+    hintPort: "当前监控项：端口状态（interface_brief / admin·phy·prot）。选基线 → 勾选本批端口 → 判定看板。",
+    createProject: "新建割接项目",
+    projectName: "项目名称",
+    oldTask: "老设备采集任务",
+    newTask: "新设备采集任务",
+    portMapping: "端口映射",
+    oldBaseline: "老设备基线批次",
+    newBaseline: "新设备基线批次（可选）",
+    needProjectFields: "请填写项目名并选择老/新采集任务",
+    needExpectPorts: "请先勾选本批预期迁移的端口",
+    needBaselineFirst: "请先保存老设备基线批次，才能列出端口",
+    projectCreated: "项目已创建",
+    projects: "项目",
+    emptyProjects: "暂无割接项目",
+    saveBaseline: "保存基线/映射",
+    baselineSaved: "基线已保存",
+    pickExpectPorts: "本批预期端口（来自老基线）",
+    portFilterPh: "筛选接口名 / 描述",
+    emptyBaselinePorts: "基线中无端口状态数据（确认任务已采 interface_brief）",
+    batchLabel: "批次标签",
+    defaultBatchLabel: "第N晚",
+    expectPorts: "本批预期端口（老侧）",
+    expectPortsPh: "逗号或换行分隔",
+    createBatch: "新建批次",
+    batchCreated: "批次已创建",
+    batches: "批次",
+    startBatch: "本批开始",
+    finishBatch: "本批完成",
+    evaluate: "立即判定",
+    evaluated: "判定完成",
+    statusUpdated: "状态已更新",
+    board: "进度看板",
+    metricPort: "端口状态",
+    progress: "进度",
+    anomaly: "异常",
+    onlyExpect: "仅看预期端口",
+    colMetric: "监控项",
+    colKey: "对象",
+    colPort: "老侧端口",
+    colMapped: "映射新口",
+    colDesc: "描述",
+    colOldPort: "老端口",
+    colNewPort: "新端口",
+    colOldStatus: "老状态 admin/phy/prot",
+    colNewStatus: "新状态 admin/phy/prot",
+    colOld: "老侧",
+    colNew: "新侧",
+    colVerdict: "判定",
+    emptyDiffs: "暂无明细，请先「立即判定」",
+    verdictMigrated: "已迁移",
+    verdictMigrating: "迁移中",
+    verdictLost: "丢失",
+    verdictAnomaly: "异常",
+    verdictNotInvolved: "未涉及",
+    verdictUnexpected: "意外新增",
+    verdictOk: "正常",
+    enableHighfreq: "开启高频端口采集",
+    highfreqHint:
+      "在业务监控下为老/新设备各建（或复用）仅含 interface_brief 的任务并周期采集；后续要加 BGP 等直接去业务监控勾选即可。",
+    highfreqReady: "高频端口采集任务已就绪（已绑定到本项目）",
+    collectNow: "立即采集老+新",
+    collectTriggered: "已触发采集",
+    openBizState: "打开业务监控",
+    boundTasks: "当前绑定采集任务",
+    acceptTitle: "本批验收小结",
+    acceptPassed: "本批验收通过",
+    acceptFailed: "本批验收未通过（红单 {{n}}，可带红开下一批）",
+    acceptPassedShort: "通过",
+    acceptFailedShort: "未通过",
+    acceptCarryHint: "验收不过不拦截：可新建下一批继续；红单保留留痕，可手动关闭。",
+    openRedHint: "项目仍有 {{n}} 条未关闭红单（带红继续）",
+    redTitle: "红单留痕",
+    redOpen: "未关闭",
+    resolveRed: "关闭",
+    redResolved: "红单已关闭",
+    batchCreatedWithRed: "批次已创建（当前有 {{n}} 条未关闭红单，允许带红继续）",
+    colStatus: "状态",
+    verdictUnfinished: "未完成",
+  },
   portTraffic: {
     title: "端口流量监控",
     create: "添加设备监控",

web/src/pages/network/BizMigrationPage.tsx

@@ -0,0 +1,938 @@
+import { Button, Input } from "@heroui/react";
+import { useCallback, useEffect, useMemo, useState } from "react";
+import { FieldSelect } from "../../components/ui/FieldSelect";
+import { useToast } from "../../hooks/useToast";
+import { useI18n } from "../../i18n";
+import {
+  bizCompareListMappings,
+  bizMigrationCollectNow,
+  bizMigrationCreateBatch,
+  bizMigrationCreateProject,
+  bizMigrationEnsurePortHighfreq,
+  bizMigrationEvaluate,
+  bizMigrationFinishBatch,
+  bizMigrationGetBoard,
+  bizMigrationListBaselinePorts,
+  bizMigrationListBatches,
+  bizMigrationListDiffs,
+  bizMigrationListProjects,
+  bizMigrationListRedTickets,
+  bizMigrationPatchBatch,
+  bizMigrationPatchProject,
+  bizMigrationResolveRedTicket,
+  bizStateListBatches,
+  bizStateListTasks,
+  formatErr,
+} from "../../services/api";
+import { Link } from "react-router-dom";
+
+type TaskOpt = { id: string; ne_name: string; ne_ip: string; note?: string; interval_sec?: number };
+type Project = {
+  id: string;
+  name: string;
+  old_task_id: string;
+  new_task_id: string;
+  old_baseline_batch_id: string;
+  new_baseline_batch_id: string;
+  mapping_id: string;
+  status: string;
+  old_task?: TaskOpt;
+  new_task?: TaskOpt;
+};
+type MigBatch = {
+  id: string;
+  batch_label: string;
+  status: string;
+  expect_set?: { ports?: string[] };
+  accept_status?: string;
+  accept_run_id?: string;
+  accept_summary?: {
+    passed?: boolean;
+    progress_ok?: number;
+    progress_total?: number;
+    anomaly?: number;
+    verdict_counts?: Record<string, number>;
+  };
+};
+type RedTicket = {
+  id: string;
+  batch_id: string;
+  key_str: string;
+  new_key_str?: string;
+  verdict: string;
+  old_status?: string;
+  new_status?: string;
+  status: string;
+};
+type SheetCard = {
+  metric_id: string;
+  title?: string;
+  progress_ok: number;
+  progress_total: number;
+  anomaly: number;
+};
+type DiffRow = {
+  id: string;
+  metric_id: string;
+  verdict: string;
+  color: string;
+  old_kind: string;
+  new_kind: string;
+  in_expect: boolean;
+  key_str?: string;
+  new_key_str?: string;
+  old_status?: string;
+  new_status?: string;
+};
+type BaselinePort = {
+  interface: string;
+  admin?: string;
+  phy?: string;
+  prot?: string;
+  description?: string;
+  mapped_to?: string;
+};
+
+const COLOR: Record<string, string> = {
+  green: "#16a34a",
+  yellow: "#ca8a04",
+  red: "#dc2626",
+  gray: "#6b7280",
+};
+
+  const VERDICT_I18N: Record<string, string> = {
+  migrated: "bizMigration.verdictMigrated",
+  migrating: "bizMigration.verdictMigrating",
+  lost: "bizMigration.verdictLost",
+  anomaly: "bizMigration.verdictAnomaly",
+  not_involved: "bizMigration.verdictNotInvolved",
+  unexpected_new: "bizMigration.verdictUnexpected",
+  unfinished: "bizMigration.verdictUnfinished",
+  ok: "bizMigration.verdictOk",
+};
+
+export function BizMigrationPage() {
+  const { t } = useI18n();
+  const { showOk, showError } = useToast();
+
+  const [projects, setProjects] = useState<Project[]>([]);
+  const [tasks, setTasks] = useState<TaskOpt[]>([]);
+  const [mappings, setMappings] = useState<{ id: string; name: string }[]>([]);
+  const [projectId, setProjectId] = useState("");
+  const [batches, setBatches] = useState<MigBatch[]>([]);
+  const [batchId, setBatchId] = useState("");
+  const [board, setBoard] = useState<{
+    run?: {
+      id: string;
+      summary?: {
+        sheet_cards?: SheetCard[];
+        progress?: { ok: number; total: number };
+        anomaly?: number;
+        expect_ports?: string[];
+      };
+    } | null;
+  } | null>(null);
+  const [diffs, setDiffs] = useState<DiffRow[]>([]);
+  const [busy, setBusy] = useState(false);
+  const [onlyExpect, setOnlyExpect] = useState(true);
+
+  const [newName, setNewName] = useState("");
+  const [oldTaskId, setOldTaskId] = useState("");
+  const [newTaskId, setNewTaskId] = useState("");
+  const [mappingId, setMappingId] = useState("");
+  const [oldBaselineId, setOldBaselineId] = useState("");
+  const [newBaselineId, setNewBaselineId] = useState("");
+  const [oldBatches, setOldBatches] = useState<{ id: string; started_at?: string | null }[]>([]);
+  const [newBatches, setNewBatches] = useState<{ id: string; started_at?: string | null }[]>([]);
+  const [batchLabel, setBatchLabel] = useState("");
+  const [baselinePorts, setBaselinePorts] = useState<BaselinePort[]>([]);
+  const [selectedPorts, setSelectedPorts] = useState<Set<string>>(new Set());
+  const [portFilter, setPortFilter] = useState("");
+  const [redTickets, setRedTickets] = useState<RedTicket[]>([]);
+  const [openRedCount, setOpenRedCount] = useState(0);
+  const [acceptInfo, setAcceptInfo] = useState<MigBatch["accept_summary"] | null>(null);
+
+  const project = useMemo(
+    () => projects.find((p) => p.id === projectId) || null,
+    [projects, projectId],
+  );
+  const batch = useMemo(() => batches.find((b) => b.id === batchId) || null, [batches, batchId]);
+  const sheetCards = board?.run?.summary?.sheet_cards || [];
+  const visibleDiffs = useMemo(
+    () => (onlyExpect ? diffs.filter((d) => d.in_expect) : diffs),
+    [diffs, onlyExpect],
+  );
+
+  useEffect(() => {
+    if (batch?.accept_summary && Object.keys(batch.accept_summary).length) {
+      setAcceptInfo(batch.accept_summary);
+    } else if (batch && batch.accept_status === "none") {
+      setAcceptInfo(null);
+    }
+  }, [batch]);
+
+  const filteredBaselinePorts = useMemo(() => {
+    const kw = portFilter.trim().toLowerCase();
+    if (!kw) return baselinePorts;
+    return baselinePorts.filter(
+      (p) =>
+        p.interface.toLowerCase().includes(kw) ||
+        String(p.description || "")
+          .toLowerCase()
+          .includes(kw),
+    );
+  }, [baselinePorts, portFilter]);
+
+  const reloadProjects = useCallback(async () => {
+    const res = await bizMigrationListProjects();
+    setProjects((res.items || []) as Project[]);
+  }, []);
+
+  const loadBaselinePorts = useCallback(async (pid: string) => {
+    if (!pid) {
+      setBaselinePorts([]);
+      return;
+    }
+    try {
+      const res = await bizMigrationListBaselinePorts(pid);
+      setBaselinePorts(res.ports || []);
+    } catch {
+      setBaselinePorts([]);
+    }
+  }, []);
+
+  const loadRedTickets = useCallback(async (pid: string) => {
+    if (!pid) {
+      setRedTickets([]);
+      setOpenRedCount(0);
+      return;
+    }
+    try {
+      const res = await bizMigrationListRedTickets(pid);
+      setRedTickets((res.items || []) as RedTicket[]);
+      setOpenRedCount(Number(res.open_count || 0));
+    } catch {
+      setRedTickets([]);
+      setOpenRedCount(0);
+    }
+  }, []);
+
+  useEffect(() => {
+    void (async () => {
+      try {
+        const [pr, tk, mp] = await Promise.all([
+          bizMigrationListProjects(),
+          bizStateListTasks(),
+          bizCompareListMappings(),
+        ]);
+        setProjects((pr.items || []) as Project[]);
+        setTasks(
+          ((tk.items || []) as Record<string, unknown>[]).map((x) => ({
+            id: String(x.id || ""),
+            ne_name: String(x.ne_name || ""),
+            ne_ip: String(x.ne_ip || ""),
+            note: String(x.note || ""),
+            interval_sec: Number(x.interval_sec || 0) || undefined,
+          })),
+        );
+        setMappings(
+          ((mp.items || []) as Record<string, unknown>[]).map((x) => ({
+            id: String(x.id || ""),
+            name: String(x.name || x.id || ""),
+          })),
+        );
+      } catch (e) {
+        showError(formatErr(e));
+      }
+    })();
+  }, [showError]);
+
+  useEffect(() => {
+    if (!projectId) {
+      setBatches([]);
+      setBatchId("");
+      setBaselinePorts([]);
+      return;
+    }
+    void (async () => {
+      try {
+        const res = await bizMigrationListBatches(projectId);
+        const items = (res.items || []) as MigBatch[];
+        setBatches(items);
+        if (!items.find((b) => b.id === batchId)) {
+          setBatchId(items[0]?.id || "");
+        }
+        await loadBaselinePorts(projectId);
+        await loadRedTickets(projectId);
+      } catch (e) {
+        showError(formatErr(e));
+      }
+    })();
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [projectId, showError, loadBaselinePorts, loadRedTickets]);
+
+  useEffect(() => {
+    if (!batchId) {
+      setBoard(null);
+      setDiffs([]);
+      return;
+    }
+    void loadBoard(batchId);
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [batchId]);
+
+  useEffect(() => {
+    if (!oldTaskId) {
+      setOldBatches([]);
+      return;
+    }
+    void bizStateListBatches(oldTaskId, 30).then((r) => {
+      setOldBatches(
+        ((r.items || []) as Record<string, unknown>[]).map((x) => ({
+          id: String(x.id || ""),
+          started_at: (x.started_at as string) || null,
+        })),
+      );
+    });
+  }, [oldTaskId]);
+
+  useEffect(() => {
+    if (!newTaskId) {
+      setNewBatches([]);
+      return;
+    }
+    void bizStateListBatches(newTaskId, 30).then((r) => {
+      setNewBatches(
+        ((r.items || []) as Record<string, unknown>[]).map((x) => ({
+          id: String(x.id || ""),
+          started_at: (x.started_at as string) || null,
+        })),
+      );
+    });
+  }, [newTaskId]);
+
+  async function loadBoard(bid: string, runId = "") {
+    try {
+      const b = await bizMigrationGetBoard(bid, runId);
+      setBoard(b as typeof board);
+      const rid = String((b as { run?: { id?: string } })?.run?.id || "");
+      if (rid) {
+        const d = await bizMigrationListDiffs({ runId: rid, limit: 500 });
+        setDiffs((d.items || []) as DiffRow[]);
+      } else {
+        setDiffs([]);
+      }
+    } catch (e) {
+      showError(formatErr(e));
+    }
+  }
+
+  async function onCreateProject() {
+    if (!newName.trim() || !oldTaskId || !newTaskId) {
+      showError(t("bizMigration.needProjectFields"));
+      return;
+    }
+    setBusy(true);
+    try {
+      const p = (await bizMigrationCreateProject({
+        name: newName.trim(),
+        old_task_id: oldTaskId,
+        new_task_id: newTaskId,
+        mapping_id: mappingId || "",
+        old_baseline_batch_id: oldBaselineId || "",
+        new_baseline_batch_id: newBaselineId || "",
+        status: "active",
+      })) as Project;
+      await reloadProjects();
+      setProjectId(p.id);
+      setNewName("");
+      showOk(t("bizMigration.projectCreated"));
+    } catch (e) {
+      showError(formatErr(e));
+    } finally {
+      setBusy(false);
+    }
+  }
+
+  async function onSaveBaseline() {
+    if (!projectId) return;
+    setBusy(true);
+    try {
+      await bizMigrationPatchProject(projectId, {
+        old_baseline_batch_id: oldBaselineId || project?.old_baseline_batch_id || "",
+        new_baseline_batch_id: newBaselineId || project?.new_baseline_batch_id || "",
+        mapping_id: mappingId || project?.mapping_id || "",
+      });
+      await reloadProjects();
+      await loadBaselinePorts(projectId);
+      showOk(t("bizMigration.baselineSaved"));
+    } catch (e) {
+      showError(formatErr(e));
+    } finally {
+      setBusy(false);
+    }
+  }
+
+  async function onCreateBatch() {
+    if (!projectId) return;
+    const ports = [...selectedPorts];
+    if (!ports.length) {
+      showError(t("bizMigration.needExpectPorts"));
+      return;
+    }
+    setBusy(true);
+    try {
+      const b = (await bizMigrationCreateBatch(projectId, {
+        batch_label: batchLabel.trim() || t("bizMigration.defaultBatchLabel"),
+        expect_set: { ports },
+        status: "pending",
+      })) as MigBatch;
+      const res = await bizMigrationListBatches(projectId);
+      setBatches((res.items || []) as MigBatch[]);
+      setBatchId(b.id);
+      setBatchLabel("");
+      setSelectedPorts(new Set());
+      if (Number((b as { open_red_count?: number }).open_red_count || 0) > 0) {
+        showOk(t("bizMigration.batchCreatedWithRed", { n: String((b as { open_red_count?: number }).open_red_count) }));
+      } else {
+        showOk(t("bizMigration.batchCreated"));
+      }
+      await loadRedTickets(projectId);
+    } catch (e) {
+      showError(formatErr(e));
+    } finally {
+      setBusy(false);
+    }
+  }
+
+  async function setBatchStatus(status: string) {
+    if (!batchId) return;
+    setBusy(true);
+    try {
+      if (status === "review" || status === "done") {
+        const res = (await bizMigrationFinishBatch(batchId, status === "done")) as {
+          batch?: MigBatch;
+          accept_summary?: MigBatch["accept_summary"];
+          open_red_count?: number;
+        };
+        const list = await bizMigrationListBatches(projectId);
+        setBatches((list.items || []) as MigBatch[]);
+        setAcceptInfo(res.accept_summary || res.batch?.accept_summary || null);
+        await loadRedTickets(projectId);
+        if (res.accept_summary?.passed) {
+          showOk(t("bizMigration.acceptPassed"));
+        } else {
+          showOk(t("bizMigration.acceptFailed", { n: String(res.open_red_count ?? openRedCount) }));
+        }
+        if (res.batch?.accept_run_id) {
+          await loadBoard(batchId, res.batch.accept_run_id);
+        }
+      } else {
+        await bizMigrationPatchBatch(batchId, { status });
+        const res = await bizMigrationListBatches(projectId);
+        setBatches((res.items || []) as MigBatch[]);
+        showOk(t("bizMigration.statusUpdated"));
+        if (status === "active") await loadRedTickets(projectId);
+      }
+    } catch (e) {
+      showError(formatErr(e));
+    } finally {
+      setBusy(false);
+    }
+  }
+
+  async function onResolveTicket(id: string) {
+    try {
+      await bizMigrationResolveRedTicket(id);
+      await loadRedTickets(projectId);
+      showOk(t("bizMigration.redResolved"));
+    } catch (e) {
+      showError(formatErr(e));
+    }
+  }
+
+  async function onEvaluate() {
+    if (!batchId) return;
+    setBusy(true);
+    try {
+      const run = await bizMigrationEvaluate(batchId, {});
+      await loadBoard(batchId, String((run as { id?: string }).id || ""));
+      showOk(t("bizMigration.evaluated"));
+    } catch (e) {
+      showError(formatErr(e));
+    } finally {
+      setBusy(false);
+    }
+  }
+
+  async function onEnsureHighfreq() {
+    if (!projectId) return;
+    setBusy(true);
+    try {
+      const res = await bizMigrationEnsurePortHighfreq(projectId, {
+        interval_sec: 60,
+        collect_now: true,
+      });
+      await reloadProjects();
+      const pr = await bizMigrationListProjects();
+      setProjects((pr.items || []) as Project[]);
+      showOk(t("bizMigration.highfreqReady"));
+    } catch (e) {
+      showError(formatErr(e));
+    } finally {
+      setBusy(false);
+    }
+  }
+
+  async function onCollectNow() {
+    if (!projectId) return;
+    setBusy(true);
+    try {
+      await bizMigrationCollectNow(projectId);
+      showOk(t("bizMigration.collectTriggered"));
+    } catch (e) {
+      showError(formatErr(e));
+    } finally {
+      setBusy(false);
+    }
+  }
+
+  useEffect(() => {
+    if (project) {
+      setOldTaskId(project.old_task_id);
+      setNewTaskId(project.new_task_id);
+      setMappingId(project.mapping_id || "");
+      setOldBaselineId(project.old_baseline_batch_id || "");
+      setNewBaselineId(project.new_baseline_batch_id || "");
+    }
+  }, [project]);
+
+  function togglePort(name: string) {
+    setSelectedPorts((prev) => {
+      const next = new Set(prev);
+      if (next.has(name)) next.delete(name);
+      else next.add(name);
+      return next;
+    });
+  }
+
+  function verdictLabel(v: string) {
+    const key = VERDICT_I18N[v];
+    return key ? t(key) : v;
+  }
+
+  return (
+    <div className="nm-page" style={{ display: "grid", gap: 16 }}>
+      <div>
+        <h1 style={{ margin: 0, fontSize: "1.25rem" }}>{t("bizMigration.title")}</h1>
+        <p style={{ margin: "4px 0 0", opacity: 0.75, fontSize: 13 }}>{t("bizMigration.hintPort")}</p>
+      </div>
+
+      <section className="nm-card" style={{ display: "grid", gap: 10, padding: 12 }}>
+        <strong>{t("bizMigration.createProject")}</strong>
+        <div style={{ display: "grid", gridTemplateColumns: "1fr 1fr 1fr", gap: 8 }}>
+          <Input
+            label={t("bizMigration.projectName")}
+            value={newName}
+            onValueChange={setNewName}
+            size="sm"
+          />
+          <FieldSelect
+            label={t("bizMigration.oldTask")}
+            value={oldTaskId}
+            onChange={(e) => setOldTaskId(e.target.value)}
+            fullWidth
+          >
+            <option value="">—</option>
+            {tasks.map((x) => (
+              <option key={x.id} value={x.id}>
+                {x.ne_name || x.id} ({x.ne_ip || "-"})
+                {x.note ? ` · ${x.note}` : ""}
+                {x.interval_sec ? ` · ${x.interval_sec}s` : ""}
+              </option>
+            ))}
+          </FieldSelect>
+          <FieldSelect
+            label={t("bizMigration.newTask")}
+            value={newTaskId}
+            onChange={(e) => setNewTaskId(e.target.value)}
+            fullWidth
+          >
+            <option value="">—</option>
+            {tasks.map((x) => (
+              <option key={x.id} value={x.id}>
+                {x.ne_name || x.id} ({x.ne_ip || "-"})
+                {x.note ? ` · ${x.note}` : ""}
+                {x.interval_sec ? ` · ${x.interval_sec}s` : ""}
+              </option>
+            ))}
+          </FieldSelect>
+          <FieldSelect
+            label={t("bizMigration.portMapping")}
+            value={mappingId}
+            onChange={(e) => setMappingId(e.target.value)}
+            fullWidth
+          >
+            <option value="">—</option>
+            {mappings.map((m) => (
+              <option key={m.id} value={m.id}>
+                {m.name}
+              </option>
+            ))}
+          </FieldSelect>
+          <FieldSelect
+            label={t("bizMigration.oldBaseline")}
+            value={oldBaselineId}
+            onChange={(e) => setOldBaselineId(e.target.value)}
+            fullWidth
+          >
+            <option value="">—</option>
+            {oldBatches.map((x) => (
+              <option key={x.id} value={x.id}>
+                {String(x.started_at || x.id).slice(0, 32)}
+              </option>
+            ))}
+          </FieldSelect>
+          <FieldSelect
+            label={t("bizMigration.newBaseline")}
+            value={newBaselineId}
+            onChange={(e) => setNewBaselineId(e.target.value)}
+            fullWidth
+          >
+            <option value="">—</option>
+            {newBatches.map((x) => (
+              <option key={x.id} value={x.id}>
+                {String(x.started_at || x.id).slice(0, 32)}
+              </option>
+            ))}
+          </FieldSelect>
+        </div>
+        <Button size="sm" variant="primary" isDisabled={busy} onPress={() => void onCreateProject()}>
+          {t("bizMigration.createProject")}
+        </Button>
+      </section>
+
+      <section
+        style={{ display: "grid", gridTemplateColumns: "220px 1fr", gap: 12, alignItems: "start" }}
+      >
+        <div className="nm-card" style={{ padding: 10, display: "grid", gap: 6 }}>
+          <strong>{t("bizMigration.projects")}</strong>
+          {projects.length === 0 && (
+            <span style={{ fontSize: 12, opacity: 0.7 }}>{t("bizMigration.emptyProjects")}</span>
+          )}
+          {projects.map((p) => (
+            <button
+              key={p.id}
+              type="button"
+              onClick={() => setProjectId(p.id)}
+              style={{
+                textAlign: "left",
+                padding: "6px 8px",
+                borderRadius: 6,
+                border: projectId === p.id ? "1px solid #2563eb" : "1px solid transparent",
+                background: projectId === p.id ? "rgba(37,99,235,.08)" : "transparent",
+                cursor: "pointer",
+              }}
+            >
+              <div style={{ fontWeight: 600, fontSize: 13 }}>{p.name}</div>
+              <div style={{ fontSize: 11, opacity: 0.7 }}>
+                {p.old_task?.ne_name || p.old_task_id.slice(0, 6)} →{" "}
+                {p.new_task?.ne_name || p.new_task_id.slice(0, 6)}
+              </div>
+            </button>
+          ))}
+        </div>
+
+        <div style={{ display: "grid", gap: 12 }}>
+          {project && (
+            <div className="nm-card" style={{ padding: 12, display: "grid", gap: 10 }}>
+              <div style={{ display: "flex", justifyContent: "space-between", gap: 8, flexWrap: "wrap" }}>
+                <strong>{project.name}</strong>
+                <div style={{ display: "flex", gap: 8, flexWrap: "wrap" }}>
+                  <Button
+                    size="sm"
+                    variant="primary"
+                    isDisabled={busy}
+                    onPress={() => void onEnsureHighfreq()}
+                  >
+                    {t("bizMigration.enableHighfreq")}
+                  </Button>
+                  <Button size="sm" variant="secondary" isDisabled={busy} onPress={() => void onCollectNow()}>
+                    {t("bizMigration.collectNow")}
+                  </Button>
+                  <Button size="sm" variant="secondary" isDisabled={busy} onPress={() => void onSaveBaseline()}>
+                    {t("bizMigration.saveBaseline")}
+                  </Button>
+                  <Link
+                    to="/network/tasks/biz-state"
+                    style={{ fontSize: 12, alignSelf: "center" }}
+                  >
+                    {t("bizMigration.openBizState")}
+                  </Link>
+                </div>
+              </div>
+              {(project.old_task || project.new_task) && (
+                <div style={{ fontSize: 12, opacity: 0.8 }}>
+                  {t("bizMigration.boundTasks")}:{" "}
+                  {project.old_task?.ne_name || project.old_task_id.slice(0, 8)}
+                  {project.old_task?.note ? ` (${project.old_task.note})` : ""} /
+                  {project.new_task?.ne_name || project.new_task_id.slice(0, 8)}
+                  {project.new_task?.note ? ` (${project.new_task.note})` : ""}
+                  {project.old_task?.interval_sec
+                    ? ` · ${project.old_task.interval_sec}s`
+                    : ""}
+                </div>
+              )}
+              {openRedCount > 0 && (
+                <div style={{ fontSize: 12, color: COLOR.red }}>
+                  {t("bizMigration.openRedHint", { n: String(openRedCount) })}
+                </div>
+              )}
+              <p style={{ margin: 0, fontSize: 12, opacity: 0.7 }}>{t("bizMigration.highfreqHint")}</p>
+
+              <div>
+                <div style={{ fontWeight: 600, marginBottom: 6 }}>
+                  {t("bizMigration.pickExpectPorts")} ({selectedPorts.size})
+                </div>
+                <Input
+                  size="sm"
+                  value={portFilter}
+                  onValueChange={setPortFilter}
+                  placeholder={t("bizMigration.portFilterPh")}
+                  style={{ marginBottom: 8 }}
+                />
+                {!project.old_baseline_batch_id && (
+                  <div style={{ fontSize: 12, color: COLOR.yellow, marginBottom: 6 }}>
+                    {t("bizMigration.needBaselineFirst")}
+                  </div>
+                )}
+                <div
+                  style={{
+                    maxHeight: 220,
+                    overflow: "auto",
+                    border: "1px solid rgba(0,0,0,.08)",
+                    borderRadius: 8,
+                  }}
+                >
+                  <table className="nm-table" style={{ width: "100%", fontSize: 12 }}>
+                    <thead>
+                      <tr>
+                        <th style={{ width: 36 }} />
+                        <th>{t("bizMigration.colPort")}</th>
+                        <th>admin/phy/prot</th>
+                        <th>{t("bizMigration.colMapped")}</th>
+                        <th>{t("bizMigration.colDesc")}</th>
+                      </tr>
+                    </thead>
+                    <tbody>
+                      {filteredBaselinePorts.map((p) => (
+                        <tr key={p.interface} onClick={() => togglePort(p.interface)} style={{ cursor: "pointer" }}>
+                          <td>
+                            <input
+                              type="checkbox"
+                              checked={selectedPorts.has(p.interface)}
+                              onChange={() => togglePort(p.interface)}
+                            />
+                          </td>
+                          <td>{p.interface}</td>
+                          <td>
+                            {p.admin || "-"}/{p.phy || "-"}/{p.prot || "-"}
+                          </td>
+                          <td>{p.mapped_to || "—"}</td>
+                          <td style={{ maxWidth: 180, overflow: "hidden", textOverflow: "ellipsis" }}>
+                            {p.description || ""}
+                          </td>
+                        </tr>
+                      ))}
+                      {filteredBaselinePorts.length === 0 && (
+                        <tr>
+                          <td colSpan={5} style={{ opacity: 0.6 }}>
+                            {t("bizMigration.emptyBaselinePorts")}
+                          </td>
+                        </tr>
+                      )}
+                    </tbody>
+                  </table>
+                </div>
+              </div>
+
+              <div style={{ display: "flex", gap: 8, flexWrap: "wrap", alignItems: "end" }}>
+                <Input
+                  label={t("bizMigration.batchLabel")}
+                  value={batchLabel}
+                  onValueChange={setBatchLabel}
+                  size="sm"
+                  placeholder={t("bizMigration.defaultBatchLabel")}
+                  style={{ minWidth: 160 }}
+                />
+                <Button size="sm" isDisabled={busy} onPress={() => void onCreateBatch()}>
+                  {t("bizMigration.createBatch")}
+                </Button>
+                <FieldSelect
+                  label={t("bizMigration.batches")}
+                  value={batchId}
+                  onChange={(e) => setBatchId(e.target.value)}
+                >
+                  {batches.map((b) => (
+                    <option key={b.id} value={b.id}>
+                      {b.batch_label} ({b.status})
+                    </option>
+                  ))}
+                </FieldSelect>
+                {batch && (
+                  <>
+                    <Button
+                      size="sm"
+                      variant="secondary"
+                      isDisabled={busy}
+                      onPress={() => void setBatchStatus("active")}
+                    >
+                      {t("bizMigration.startBatch")}
+                    </Button>
+                    <Button
+                      size="sm"
+                      variant="secondary"
+                      isDisabled={busy}
+                      onPress={() => void setBatchStatus("review")}
+                    >
+                      {t("bizMigration.finishBatch")}
+                    </Button>
+                    <Button size="sm" variant="primary" isDisabled={busy} onPress={() => void onEvaluate()}>
+                      {t("bizMigration.evaluate")}
+                    </Button>
+                  </>
+                )}
+              </div>
+            </div>
+          )}
+
+          {acceptInfo && (
+            <div className="nm-card" style={{ padding: 12, display: "grid", gap: 8 }}>
+              <strong>{t("bizMigration.acceptTitle")}</strong>
+              <div style={{ display: "flex", gap: 20, flexWrap: "wrap", fontVariantNumeric: "tabular-nums" }}>
+                <div style={{ color: acceptInfo.passed ? COLOR.green : COLOR.red, fontWeight: 600 }}>
+                  {acceptInfo.passed ? t("bizMigration.acceptPassedShort") : t("bizMigration.acceptFailedShort")}
+                </div>
+                <div>
+                  {t("bizMigration.progress")}: {acceptInfo.progress_ok ?? 0}/{acceptInfo.progress_total ?? 0}
+                </div>
+                <div style={{ color: COLOR.red }}>
+                  {t("bizMigration.anomaly")}: {acceptInfo.anomaly ?? 0}
+                </div>
+              </div>
+              <div style={{ fontSize: 12, opacity: 0.75 }}>{t("bizMigration.acceptCarryHint")}</div>
+            </div>
+          )}
+
+          {redTickets.length > 0 && (
+            <div className="nm-card" style={{ padding: 12, display: "grid", gap: 8 }}>
+              <strong>
+                {t("bizMigration.redTitle")} ({openRedCount} {t("bizMigration.redOpen")})
+              </strong>
+              <div style={{ overflowX: "auto" }}>
+                <table className="nm-table" style={{ width: "100%", fontSize: 12 }}>
+                  <thead>
+                    <tr>
+                      <th>{t("bizMigration.colOldPort")}</th>
+                      <th>{t("bizMigration.colNewPort")}</th>
+                      <th>{t("bizMigration.colOldStatus")}</th>
+                      <th>{t("bizMigration.colNewStatus")}</th>
+                      <th>{t("bizMigration.colVerdict")}</th>
+                      <th>{t("bizMigration.colStatus")}</th>
+                      <th />
+                    </tr>
+                  </thead>
+                  <tbody>
+                    {redTickets.map((r) => (
+                      <tr key={r.id}>
+                        <td>{r.key_str}</td>
+                        <td>{r.new_key_str || "—"}</td>
+                        <td>{r.old_status || "—"}</td>
+                        <td>{r.new_status || "—"}</td>
+                        <td style={{ color: COLOR.red, fontWeight: 600 }}>{verdictLabel(r.verdict)}</td>
+                        <td>{r.status}</td>
+                        <td>
+                          {r.status !== "resolved" && (
+                            <Button size="sm" variant="secondary" onPress={() => void onResolveTicket(r.id)}>
+                              {t("bizMigration.resolveRed")}
+                            </Button>
+                          )}
+                        </td>
+                      </tr>
+                    ))}
+                  </tbody>
+                </table>
+              </div>
+            </div>
+          )}
+
+          {board?.run && (
+            <div className="nm-card" style={{ padding: 12, display: "grid", gap: 10 }}>
+              <strong>
+                {t("bizMigration.board")} · {t("bizMigration.metricPort")}
+              </strong>
+              <div style={{ display: "flex", gap: 24, fontVariantNumeric: "tabular-nums", flexWrap: "wrap" }}>
+                <div>
+                  {t("bizMigration.progress")}:{" "}
+                  <b>
+                    {board.run.summary?.progress?.ok ?? 0}/{board.run.summary?.progress?.total ?? 0}
+                  </b>
+                </div>
+                <div style={{ color: COLOR.red }}>
+                  {t("bizMigration.anomaly")}: <b>{board.run.summary?.anomaly ?? 0}</b>
+                </div>
+                {sheetCards[0] && (
+                  <div style={{ fontSize: 12, opacity: 0.75 }}>
+                    {sheetCards[0].title || sheetCards[0].metric_id}
+                  </div>
+                )}
+                <label style={{ fontSize: 12, display: "flex", gap: 6, alignItems: "center" }}>
+                  <input
+                    type="checkbox"
+                    checked={onlyExpect}
+                    onChange={(e) => setOnlyExpect(e.target.checked)}
+                  />
+                  {t("bizMigration.onlyExpect")}
+                </label>
+              </div>
+
+              <div style={{ overflowX: "auto" }}>
+                <table className="nm-table" style={{ width: "100%", fontSize: 12 }}>
+                  <thead>
+                    <tr>
+                      <th>{t("bizMigration.colOldPort")}</th>
+                      <th>{t("bizMigration.colNewPort")}</th>
+                      <th>{t("bizMigration.colOldStatus")}</th>
+                      <th>{t("bizMigration.colNewStatus")}</th>
+                      <th>{t("bizMigration.colVerdict")}</th>
+                    </tr>
+                  </thead>
+                  <tbody>
+                    {visibleDiffs.map((d) => (
+                      <tr key={d.id}>
+                        <td>{d.key_str || "—"}</td>
+                        <td>{d.new_key_str || "—"}</td>
+                        <td>{d.old_status || "—"}</td>
+                        <td>{d.new_status || "—"}</td>
+                        <td style={{ color: COLOR[d.color] || COLOR.gray, fontWeight: 600 }}>
+                          {verdictLabel(d.verdict)}
+                        </td>
+                      </tr>
+                    ))}
+                    {visibleDiffs.length === 0 && (
+                      <tr>
+                        <td colSpan={5} style={{ opacity: 0.6 }}>
+                          {t("bizMigration.emptyDiffs")}
+                        </td>
+                      </tr>
+                    )}
+                  </tbody>
+                </table>
+              </div>
+            </div>
+          )}
+        </div>
+      </section>
+    </div>
+  );
+}

web/src/pages/network/BizStatePage.tsx

@@ -7,8 +7,10 @@ import { useDebouncedValue } from "../../hooks/useDebouncedValue";
 import { useToast } from "../../hooks/useToast";
 import { useI18n } from "../../i18n";
 import {
+  bizStateBulkDeleteBatches,
   bizStateCollectNow,
   bizStateCreateTask,
+  bizStateDeleteBatch,
   bizStateDeleteTask,
   bizStateDiscover,
   bizStateDownloadExport,
@@ -18,6 +20,8 @@ import {
   bizStateListProfiles,
   bizStateListTasks,
   bizStatePatchTask,
+  bizStatePurgeTask,
+  bizStateSetBatchBaseline,
   bizStateSetBindings,
   fetchCliTargets,
   formatErr,
@@ -33,6 +37,7 @@ type TaskRow = {
   ne_name: string;
   ne_ip: string;
   vendor: string;
+  note?: string;
   status: string;
   collect_running: boolean;
   last_error: string;
@@ -57,6 +62,9 @@ type BatchRow = {
   row_count: number;
   command_count: number;
   started_at?: string | null;
+  is_baseline?: boolean;
+  protected?: boolean;
+  protect_reasons?: string[];
 };
 
 type Candidate = { value: string; label: string; rd?: string };
@@ -269,7 +277,10 @@ export function BizStatePage() {
   const [taskTab, setTaskTab] = useState<TaskTab>("profiles");
   const [intervalValue, setIntervalValue] = useState(1);
   const [intervalUnit, setIntervalUnit] = useState<"days" | "hours" | "seconds">("hours");
-  const [retentionBatches, setRetentionBatches] = useState(30);
+  const [retentionDays, setRetentionDays] = useState(30);
+  const [dailyKeepEnabled, setDailyKeepEnabled] = useState(false);
+  const [dailyKeepCount, setDailyKeepCount] = useState(10);
+  const [selectedBatchIds, setSelectedBatchIds] = useState<string[]>([]);
 
   // VRF bind (inside task modal)
   const [bindItemId, setBindItemId] = useState("");
@@ -333,7 +344,7 @@ export function BizStatePage() {
     if (!kw) return tasks;
     return tasks.filter((row) => {
       const blob =
-        `${row.ne_name} ${row.ne_ip} ${row.vendor} ${row.status} ${row.source || ""} ${row.last_error}`.toLowerCase();
+        `${row.ne_name} ${row.ne_ip} ${row.vendor} ${row.note || ""} ${row.status} ${row.source || ""} ${row.last_error}`.toLowerCase();
       return blob.includes(kw);
     });
   }, [tasks, debouncedListKw]);
@@ -382,9 +393,12 @@ export function BizStatePage() {
     const ui = secToIntervalUi(Number(task.interval_sec || 3600));
     setIntervalValue(ui.value);
     setIntervalUnit(ui.unit);
-    setRetentionBatches(Math.max(1, Number(task.retention_batches || 30)));
-    const b = await bizStateListBatches(id);
+    setRetentionDays(Math.max(1, Number(task.retention_days || 30)));
+    setDailyKeepEnabled(Boolean(task.daily_keep_enabled));
+    setDailyKeepCount(Math.max(1, Number(task.daily_keep_count || 10)));
+    const b = await bizStateListBatches(id, 200);
     setBatches((b.items || []) as BatchRow[]);
+    setSelectedBatchIds([]);
     const p = await bizStateListProfiles({
       vendor: task.vendor || "",
       device_type: task.device_type || "",
@@ -457,7 +471,9 @@ export function BizStatePage() {
     try {
       await bizStatePatchTask(taskId, {
         interval_sec: intervalUiToSec(intervalValue, intervalUnit),
-        retention_batches: Math.max(1, Number(retentionBatches) || 30),
+        retention_days: Math.max(1, Number(retentionDays) || 30),
+        daily_keep_enabled: dailyKeepEnabled,
+        daily_keep_count: Math.max(1, Number(dailyKeepCount) || 10),
       });
       showOk(t("bizState.scheduleSaved"));
       await loadTask(taskId);
@@ -469,6 +485,82 @@ export function BizStatePage() {
     }
   };
 
+  const toggleBatchSelect = (id: string, protectedBatch: boolean) => {
+    if (protectedBatch) return;
+    setSelectedBatchIds((prev) =>
+      prev.includes(id) ? prev.filter((x) => x !== id) : [...prev, id],
+    );
+  };
+
+  const selectDeletableBatches = () => {
+    setSelectedBatchIds(batches.filter((b) => !b.protected).map((b) => b.id));
+  };
+
+  const markBaseline = async (batchId: string, marked: boolean) => {
+    setBusy(true);
+    try {
+      await bizStateSetBatchBaseline(batchId, marked);
+      if (taskId) await loadTask(taskId);
+    } catch (e) {
+      showError(formatErr(e));
+    } finally {
+      setBusy(false);
+    }
+  };
+
+  const removeBatch = async (batchId: string) => {
+    if (!window.confirm(t("bizState.confirmDeleteBatch"))) return;
+    setBusy(true);
+    try {
+      await bizStateDeleteBatch(batchId);
+      showOk(t("bizState.batchDeleted"));
+      if (taskId) await loadTask(taskId);
+    } catch (e) {
+      showError(formatErr(e));
+    } finally {
+      setBusy(false);
+    }
+  };
+
+  const bulkRemoveBatches = async () => {
+    if (!selectedBatchIds.length) return;
+    if (
+      !window.confirm(
+        t("bizState.confirmBulkDelete").replace("{{count}}", String(selectedBatchIds.length)),
+      )
+    ) {
+      return;
+    }
+    setBusy(true);
+    try {
+      const res = await bizStateBulkDeleteBatches(selectedBatchIds);
+      showOk(
+        t("bizState.bulkDeleted")
+          .replace("{{deleted}}", String(res.deleted_count || 0))
+          .replace("{{skipped}}", String((res.skipped || []).length)),
+      );
+      if (taskId) await loadTask(taskId);
+    } catch (e) {
+      showError(formatErr(e));
+    } finally {
+      setBusy(false);
+    }
+  };
+
+  const purgeNow = async () => {
+    if (!taskId) return;
+    setBusy(true);
+    try {
+      const res = await bizStatePurgeTask(taskId);
+      showOk(t("bizState.purgeOk").replace("{{dropped}}", String(res.dropped || 0)));
+      await loadTask(taskId);
+    } catch (e) {
+      showError(formatErr(e));
+    } finally {
+      setBusy(false);
+    }
+  };
+
   const collectNow = async () => {
     if (!taskId) return;
     setBusy(true);
@@ -670,6 +762,7 @@ export function BizStatePage() {
                     <div className="pt-list-task-name">{row.ne_name || row.ne_ip || "—"}</div>
                     <div className="muted">
                       {row.vendor || "—"} · {row.ne_ip || "—"}
+                      {row.note ? ` · ${row.note}` : ""}
                     </div>
                     {row.last_error ? <div className="form-error">{row.last_error}</div> : null}
                   </td>
@@ -939,16 +1032,41 @@ export function BizStatePage() {
                 <Input
                   type="number"
                   min={1}
-                  max={200}
-                  value={String(retentionBatches)}
-                  onChange={(e) => setRetentionBatches(Math.max(1, Number(e.target.value) || 1))}
+                  max={3650}
+                  value={String(retentionDays)}
+                  onChange={(e) => setRetentionDays(Math.max(1, Number(e.target.value) || 1))}
                 />
               </label>
+              <label className="config-sync-policy-field" style={{ display: "flex", alignItems: "center", gap: 8 }}>
+                <input
+                  type="checkbox"
+                  checked={dailyKeepEnabled}
+                  disabled={busy}
+                  onChange={(e) => setDailyKeepEnabled(e.target.checked)}
+                />
+                <span>{t("bizState.dailyKeepEnabled")}</span>
+              </label>
+              {dailyKeepEnabled ? (
+                <label className="config-sync-policy-field">
+                  <span>{t("bizState.dailyKeepCount")}</span>
+                  <Input
+                    type="number"
+                    min={1}
+                    max={1000}
+                    value={String(dailyKeepCount)}
+                    onChange={(e) => setDailyKeepCount(Math.max(1, Number(e.target.value) || 1))}
+                  />
+                </label>
+              ) : null}
               <Button size="sm" variant="secondary" isDisabled={busy} onPress={() => void saveSchedule()}>
                 {t("bizState.saveSchedule")}
               </Button>
+              <Button size="sm" variant="ghost" isDisabled={busy} onPress={() => void purgeNow()}>
+                {t("bizState.purgeNow")}
+              </Button>
               <span className="muted">
-                {detail.vendor || "—"} · {detail.ne_ip || "—"} · {t("bizState.scheduleHint")}
+                {detail.vendor || "—"} · {detail.ne_ip || "—"} · {t("bizState.retentionHint")}
+                {dailyKeepEnabled ? ` · ${t("bizState.dailyKeepHint")}` : ""}
               </span>
             </div>
           ) : null}
@@ -1086,41 +1204,104 @@ export function BizStatePage() {
             </>
           ) : (
             <div className="pt-list-table-wrap">
+              <div className="btn-row" style={{ marginBottom: 8, gap: 8, flexWrap: "wrap" }}>
+                <Button size="sm" variant="ghost" isDisabled={busy || !batches.length} onPress={selectDeletableBatches}>
+                  {t("bizState.selectAll")}
+                </Button>
+                <Button
+                  size="sm"
+                  variant="danger"
+                  isDisabled={busy || !selectedBatchIds.length}
+                  onPress={() => void bulkRemoveBatches()}
+                >
+                  {t("bizState.bulkDelete")}
+                  {selectedBatchIds.length ? ` (${selectedBatchIds.length})` : ""}
+                </Button>
+              </div>
               <table className="data-table pt-list-table">
                 <thead>
                   <tr>
+                    <th style={{ width: 36 }} />
                     <th>{t("bizState.colTime")}</th>
                     <th>{t("bizState.colStatus")}</th>
+                    <th>{t("bizState.colProtect")}</th>
                     <th>{t("bizState.colRows")}</th>
                     <th>{t("bizState.colActions")}</th>
                   </tr>
                 </thead>
                 <tbody>
-                  {batches.map((b) => (
-                    <tr key={b.id}>
-                      <td className="pt-list-time">{fmtTime(b.started_at)}</td>
-                      <td>
-                        <NmStatusChip color={jobChipColor(b.status)}>{b.status}</NmStatusChip>
-                      </td>
-                      <td className="pt-list-num">
-                        {b.row_count}
-                        <span className="muted"> / {b.command_count} cmd</span>
-                      </td>
-                      <td>
-                        <div className="pt-list-actions">
-                          <Button size="sm" variant="primary" onPress={() => void openBatch(b.id)}>
-                            {t("bizState.viewBatch")}
-                          </Button>
-                          <Button size="sm" variant="ghost" onPress={() => void bizStateDownloadExport(b.id)}>
-                            {t("bizState.export")}
-                          </Button>
-                        </div>
-                      </td>
-                    </tr>
-                  ))}
+                  {batches.map((b) => {
+                    const locked = Boolean(b.protected);
+                    return (
+                      <tr key={b.id}>
+                        <td>
+                          <input
+                            type="checkbox"
+                            checked={selectedBatchIds.includes(b.id)}
+                            disabled={locked || busy}
+                            onChange={() => toggleBatchSelect(b.id, locked)}
+                          />
+                        </td>
+                        <td className="pt-list-time">{fmtTime(b.started_at)}</td>
+                        <td>
+                          <NmStatusChip color={jobChipColor(b.status)}>{b.status}</NmStatusChip>
+                        </td>
+                        <td>
+                          {b.is_baseline ? (
+                            <NmStatusChip color="accent">{t("bizState.baseline")}</NmStatusChip>
+                          ) : locked ? (
+                            <span className="muted">{t("bizState.protected")}</span>
+                          ) : (
+                            "—"
+                          )}
+                        </td>
+                        <td className="pt-list-num">
+                          {b.row_count}
+                          <span className="muted"> / {b.command_count} cmd</span>
+                        </td>
+                        <td>
+                          <div className="pt-list-actions">
+                            <Button size="sm" variant="primary" onPress={() => void openBatch(b.id)}>
+                              {t("bizState.viewBatch")}
+                            </Button>
+                            <Button size="sm" variant="ghost" onPress={() => void bizStateDownloadExport(b.id)}>
+                              {t("bizState.export")}
+                            </Button>
+                            {b.is_baseline ? (
+                              <Button
+                                size="sm"
+                                variant="secondary"
+                                isDisabled={busy}
+                                onPress={() => void markBaseline(b.id, false)}
+                              >
+                                {t("bizState.unmarkBaseline")}
+                              </Button>
+                            ) : (
+                              <Button
+                                size="sm"
+                                variant="secondary"
+                                isDisabled={busy}
+                                onPress={() => void markBaseline(b.id, true)}
+                              >
+                                {t("bizState.markBaseline")}
+                              </Button>
+                            )}
+                            <Button
+                              size="sm"
+                              variant="danger"
+                              isDisabled={busy || locked}
+                              onPress={() => void removeBatch(b.id)}
+                            >
+                              {t("bizState.deleteBatch")}
+                            </Button>
+                          </div>
+                        </td>
+                      </tr>
+                    );
+                  })}
                   {!batches.length ? (
                     <tr>
-                      <td colSpan={4}>
+                      <td colSpan={6}>
                         <div className="pt-list-empty">{t("bizState.noBatches")}</div>
                       </td>
                     </tr>

web/src/services/api.ts

@@ -1813,6 +1813,29 @@ export const bizStateListBatches = (taskId: string, limit = 50) =>
     `/v1/biz-state/tasks/${encodeURIComponent(taskId)}/batches?limit=${limit}`,
   );
 
+export const bizStateSetBatchBaseline = (batchId: string, marked: boolean) =>
+  apiPost<Record<string, unknown>>(
+    `/v1/biz-state/batches/${encodeURIComponent(batchId)}/baseline`,
+    { marked },
+  );
+
+export const bizStateDeleteBatch = (batchId: string) =>
+  apiDelete<{ ok: boolean }>(`/v1/biz-state/batches/${encodeURIComponent(batchId)}`);
+
+export const bizStateBulkDeleteBatches = (batchIds: string[]) =>
+  apiPost<{
+    ok: boolean;
+    deleted: string[];
+    skipped: { batch_id: string; reasons: string[] }[];
+    deleted_count: number;
+  }>("/v1/biz-state/batches/bulk-delete", { batch_ids: batchIds });
+
+export const bizStatePurgeTask = (taskId: string) =>
+  apiPost<Record<string, unknown>>(
+    `/v1/biz-state/tasks/${encodeURIComponent(taskId)}/purge`,
+    {},
+  );
+
 export const bizStateGetBatch = (batchId: string) =>
   apiGet<Record<string, unknown>>(`/v1/biz-state/batches/${encodeURIComponent(batchId)}`);
 
@@ -1959,3 +1982,117 @@ export const bizCompareDownloadRun = async (runId: string): Promise<void> => {
     URL.revokeObjectURL(url);
   }
 };
+
+// --- biz-migration (cutover monitor, separate from compare) ---
+
+export const bizMigrationListProjects = () =>
+  apiGet<{ items: Record<string, unknown>[] }>("/v1/biz-migration/projects");
+
+export const bizMigrationCreateProject = (body: Record<string, unknown>) =>
+  apiPost<Record<string, unknown>>("/v1/biz-migration/projects", body);
+
+export const bizMigrationPatchProject = (projectId: string, body: Record<string, unknown>) =>
+  apiPatch<Record<string, unknown>>(
+    `/v1/biz-migration/projects/${encodeURIComponent(projectId)}`,
+    body,
+  );
+
+export const bizMigrationListBatches = (projectId: string) =>
+  apiGet<{ items: Record<string, unknown>[] }>(
+    `/v1/biz-migration/projects/${encodeURIComponent(projectId)}/batches`,
+  );
+
+export const bizMigrationListBaselinePorts = (projectId: string) =>
+  apiGet<{
+    batch_id: string;
+    metric_id: string;
+    ports: {
+      interface: string;
+      admin?: string;
+      phy?: string;
+      prot?: string;
+      description?: string;
+      mapped_to?: string;
+    }[];
+  }>(`/v1/biz-migration/projects/${encodeURIComponent(projectId)}/baseline-ports`);
+
+export const bizMigrationEnsurePortHighfreq = (
+  projectId: string,
+  body: { interval_sec?: number; retention_days?: number; collect_now?: boolean } = {},
+) =>
+  apiPost<Record<string, unknown>>(
+    `/v1/biz-migration/projects/${encodeURIComponent(projectId)}/ensure-port-highfreq`,
+    body,
+  );
+
+export const bizMigrationCollectNow = (projectId: string) =>
+  apiPost<Record<string, unknown>>(
+    `/v1/biz-migration/projects/${encodeURIComponent(projectId)}/collect-now`,
+    {},
+  );
+
+export const bizMigrationFinishBatch = (batchId: string, markDone = false) =>
+  apiPost<Record<string, unknown>>(
+    `/v1/biz-migration/batches/${encodeURIComponent(batchId)}/finish?mark_done=${markDone ? "true" : "false"}`,
+    {},
+  );
+
+export const bizMigrationListRedTickets = (projectId: string, status = "") => {
+  const q = status ? `?status=${encodeURIComponent(status)}` : "";
+  return apiGet<{ open_count: number; items: Record<string, unknown>[] }>(
+    `/v1/biz-migration/projects/${encodeURIComponent(projectId)}/red-tickets${q}`,
+  );
+};
+
+export const bizMigrationResolveRedTicket = (ticketId: string, note = "") =>
+  apiPost<Record<string, unknown>>(
+    `/v1/biz-migration/red-tickets/${encodeURIComponent(ticketId)}/resolve`,
+    { note },
+  );
+
+export const bizMigrationCreateBatch = (projectId: string, body: Record<string, unknown>) =>
+  apiPost<Record<string, unknown>>(
+    `/v1/biz-migration/projects/${encodeURIComponent(projectId)}/batches`,
+    body,
+  );
+
+export const bizMigrationPatchBatch = (batchId: string, body: Record<string, unknown>) =>
+  apiPatch<Record<string, unknown>>(
+    `/v1/biz-migration/batches/${encodeURIComponent(batchId)}`,
+    body,
+  );
+
+export const bizMigrationEvaluate = (batchId: string, body: Record<string, unknown> = {}) =>
+  apiPost<Record<string, unknown>>(
+    `/v1/biz-migration/batches/${encodeURIComponent(batchId)}/evaluate`,
+    body,
+  );
+
+export const bizMigrationGetBoard = (batchId: string, runId = "") => {
+  const q = runId ? `?run_id=${encodeURIComponent(runId)}` : "";
+  return apiGet<Record<string, unknown>>(
+    `/v1/biz-migration/batches/${encodeURIComponent(batchId)}/board${q}`,
+  );
+};
+
+export const bizMigrationListDiffs = (params: {
+  runId: string;
+  metricId?: string;
+  verdict?: string;
+  color?: string;
+  kw?: string;
+  offset?: number;
+  limit?: number;
+}) => {
+  const p = new URLSearchParams();
+  if (params.metricId) p.set("metric_id", params.metricId);
+  if (params.verdict) p.set("verdict", params.verdict);
+  if (params.color) p.set("color", params.color);
+  if (params.kw) p.set("kw", params.kw);
+  if (params.offset != null) p.set("offset", String(params.offset));
+  if (params.limit != null) p.set("limit", String(params.limit));
+  const qs = p.toString();
+  return apiGet<{ items: Record<string, unknown>[]; total: number }>(
+    `/v1/biz-migration/runs/${encodeURIComponent(params.runId)}/diffs${qs ? `?${qs}` : ""}`,
+  );
+};