feat: upgrade客服多店铺分流、批量报价与稳定性防护

tests/test_transfer_greeting_context.py

@@ -0,0 +1,20 @@
+import unittest
+
+from core.websocket_client import QingjianAPIClient
+
+
+class TransferGreetingContextTest(unittest.TestCase):
+    def test_transfer_greeting_is_non_empty(self):
+        c = QingjianAPIClient(enable_agent=False)
+        text = c._pick_transfer_greeting()
+        self.assertTrue(isinstance(text, str) and len(text) > 0)
+
+    def test_transfer_greeting_contains_presence_phrase(self):
+        c = QingjianAPIClient(enable_agent=False)
+        for _ in range(10):
+            text = c._pick_transfer_greeting()
+            self.assertTrue(("在" in text) or ("我在" in text))
+
+
+if __name__ == "__main__":
+    unittest.main(verbosity=2)