feat: allow dispatch calendar kind other on backend.

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

backend/tests/test_pl_dispatch_calendar.py

@@ -219,6 +219,10 @@ def test_http_read_only_manage_permissions_both_clients_and_routes(db, monkeypat
         assert client.get(path, params={'month': '2026-10', 'calendarKind': 'alkali'}).json()['total'] == 1
         assert client.get(path, params={'month': '2026-10', 'calendarKind': 'salt'}).status_code == 422
         assert client.put(f"{path}/{alkali.json()['id']}", json=payload(calendarKind='acid')).status_code == 422
+        other = client.post(path, json=payload(calendarKind='other'))
+        assert other.status_code == 200 and other.json()['calendarKind'] == 'other'
+        assert client.get(path, params={'month': '2026-10', 'calendarKind': 'other'}).json()['total'] == 1
+        assert client.put(f"{path}/{other.json()['id']}", json=payload(calendarKind='alkali')).status_code == 422
     engine.dispose()
 
 
@@ -278,6 +282,25 @@ def test_acid_and_alkali_calendars_stay_separate(db):
     assert kept.destination == '南京' and kept.calendar_kind == 'alkali'
 
 
+def test_other_calendar_stays_separate_from_acid_and_alkali(db):
+    _, update, _, svc = modules()
+    create(db)  # acid default
+    create(db, calendarKind='alkali', origin='碱库')
+    other = create(db, calendarKind='other', origin='其他库')
+    other_page = svc.list_records(db, 't1', user(), month='2026-10', calendar_kind='other')
+    assert other_page['total'] == 1 and other_page['list'][0]['id'] == other.id
+    assert other_page['list'][0]['calendarKind'] == 'other'
+    assert svc.list_records(db, 't1', user(), month='2026-10')['total'] == 1
+    assert svc.list_records(db, 't1', user(), month='2026-10', calendar_kind='alkali')['total'] == 1
+    with pytest.raises(HTTPException) as moved:
+        svc.update_record(db, 't1', user(), other.id, update(**payload(calendarKind='acid')))
+    assert moved.value.status_code == 422
+    kept = svc.update_record(
+        db, 't1', user(), other.id, update(**payload(calendarKind='other', destination='合肥'))
+    )
+    assert kept.destination == '合肥' and kept.calendar_kind == 'other'
+
+
 def test_month_pagination_can_fetch_more_than_500_trips(db):
     model, _, _, svc = modules()
     db.add_all([model(id=f'bulk-{number:04}', dispatch_date=date(2026, 10, 26),