fix: first-image ack should pause instead of pushing unified quote

tests/test_regression_pipeline.py

@@ -364,6 +364,35 @@ class RegressionPipelineTest(unittest.IsolatedAsyncioTestCase):
         )
         self.assertEqual(reply, "图片收到了，你继续发就行。")
 
+    async def test_first_image_ack_avoids_unified_quote_wording(self):
+        os.environ["AI_DYNAMIC_COLLECTION_REPLIES"] = "true"
+        agent = CustomerServiceAgent()
+        st = agent._get_conversation_state(self.customer_id)
+        st.pending_image_urls = ["https://img.alicdn.com/a.jpg"]
+        msg = CustomerMessage(
+            msg_id="m-first-ack",
+            acc_id="test_shop",
+            msg="https://img.alicdn.com/a.jpg",
+            from_id=self.customer_id,
+            from_name="t",
+            cy_id=self.customer_id,
+            acc_type="AliWorkbench",
+            msg_type=0,
+            cy_name="t",
+            goods_name="专业找图",
+            goods_order="",
+        )
+        reply = await agent._render_collection_reply_with_ai(
+            message=msg,
+            state=st,
+            scene="collect_ack",
+            intent_hint="确认收到后先承接",
+            fallback="图片收到了，你继续发就行。",
+        )
+        self.assertIn("稍等", reply)
+        self.assertNotIn("统一报价", reply)
+        self.assertNotIn("发完", reply)
+
     async def test_map_inquiry_is_rejected(self):
         agent = CustomerServiceAgent()
         msg = CustomerMessage(