fix: exclude off-shelf products from dispatch calendar options.

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

backend/tests/test_pl_dispatch_calendar.py

@@ -139,6 +139,22 @@ def test_options_full_library_types_search_pagination(db):
     assert svc.list_products(db, 't1', user(), q='%')['total'] == 0
 
 
+def test_off_shelf_products_excluded_from_options_and_create(db):
+    _, _, _, svc = modules()
+    db.add(CrmProduct(id='p-off', product_no='POFF', product_name='下架液碱',
+                      tenant_no='t1', create_by='u1', status='off'))
+    db.commit()
+    ids = {row['id'] for row in svc.list_products(db, 't1', user())['list']}
+    assert 'p-off' not in ids
+    assert 'p1' in ids and 'p2' in ids
+    assert svc.list_products(db, 't1', user(), q='下架')['total'] == 0
+    with pytest.raises(HTTPException) as exc:
+        create(db, productId='p-off')
+    assert exc.value.status_code == 422
+    assert '下架' in exc.value.detail
+    assert svc.list_records(db, 't1', user(), month='2026-10')['total'] == 0
+
+
 @pytest.mark.parametrize('field,value', [('vehicleId', 'v3'), ('vehicleId', 'v4'), ('vehicleId', 'missing'), ('productId', 'p3'), ('productId', 'p4'), ('productId', 'missing')])
 def test_invalid_cross_tenant_and_deleted_relations_rejected(db, field, value):
     _, _, _, svc = modules()