陆运选项不全时改为复制填空清单，方便销售按编号回填。

停发填写样例图，同群只跟当前工单，重量体积统一为 KG/CBM。

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

inquiry-agent/tests/test_land_text_inquiry.py

@@ -73,11 +73,10 @@ class LandTextInquiryFrontTests(unittest.TestCase):
         self.assertIn("线路类别", text)
         self.assertIn("运输分类", text)
         self.assertIn("中港整车", text)
-        self.assertIn("填写样例见图", text)
+        self.assertIn("Step1: 请复制以下内容，粘贴到输入框；", text)
+        self.assertIn("---请复制以下内容---", text)
         self.assertNotIn("请补充陆运类型：", text)
-        img = [x for x in self.extras if x.get("msgtype") == "image"]
-        self.assertEqual(len(img), 1)
-        self.assertTrue(os.path.isfile(str(img[0].get("filepath") or "")))
+        self.assertFalse(any(x.get("msgtype") == "image" for x in self.extras))
 
     def test_known_type_does_not_reask_type(self) -> None:
         phase = self.flow.on_text(
@@ -90,8 +89,9 @@ class LandTextInquiryFrontTests(unittest.TestCase):
         self.assertEqual(phase, "need_land_options")
         self.assertNotIn("请选择运输类型", self._joined())
         self.assertIn("国内长途/零担", self._joined())
-        self.assertIn("填写样例见图", self._joined())
-        self.assertTrue(any(x.get("msgtype") == "image" for x in self.extras))
+        self.assertIn("Step1: 请复制以下内容，粘贴到输入框；", self._joined())
+        self.assertIn("---请复制以下内容---", self._joined())
+        self.assertFalse(any(x.get("msgtype") == "image" for x in self.extras))
 
     def test_unlinked_route_still_keeps_type(self) -> None:
         phase = self.flow.on_text(
@@ -247,7 +247,7 @@ class LandTextInquiryFrontTests(unittest.TestCase):
         )
         self.assertEqual(phase, "clarify")
         self.assertNotIn(copy.LAND_CONFIRM_TAIL, self._joined())
-        self.assertIn("体积（必填）", self._joined())
+        self.assertIn("体积（CBM）（必填）", self._joined())
         self.assertNotIn("通关口岸", self._joined())