한신대 피드백 개선팩 반영

apps/api/app/test_client_reply_quality.py

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+"""Strict client reply quality gate regressions."""
+
+from __future__ import annotations
+
+import unittest
+
+from .services import guardrail
+
+
+class ClientReplyQualityGateTest(unittest.TestCase):
+    def test_blocks_role_meta_speech_variants(self) -> None:
+        samples = [
+            "내담자 역할로 응답하겠습니다. 엄마가 가보라고 해서요.",
+            "AI로서 답변드리면 저는 우울한 학생입니다.",
+            "상담자 입장에서 보면 제 핵심신념은 무가치감입니다.",
+            "제 핵심신념은 저는 쓸모없다는 것입니다.",
+        ]
+
+        for sample in samples:
+            with self.subTest(sample=sample):
+                result = guardrail.sanitize_client_reply(sample, ideation_stage=1, turn_seq=2)
+                self.assertTrue(result.needs_regeneration)
+                self.assertIn("role_meta", result.reasons)
+
+    def test_blocks_repeated_greeting_after_opening_turn_only_when_greeting_starts_reply(self) -> None:
+        blocked = guardrail.sanitize_client_reply(
+            "안녕하세요. 처음 뵙겠습니다. 저는 서연이에요.",
+            ideation_stage=1,
+            turn_seq=3,
+        )
+        first_turn = guardrail.sanitize_client_reply(
+            "안녕하세요. 엄마가 가보라고 해서 왔어요.",
+            ideation_stage=1,
+            turn_seq=1,
+        )
+        quoted = guardrail.sanitize_client_reply(
+            "방금 선생님이 안녕하세요라고 말해서 더 어색했어요.",
+            ideation_stage=1,
+            turn_seq=3,
+        )
+
+        self.assertTrue(blocked.needs_regeneration)
+        self.assertIn("repeat_greeting_after_opening", blocked.reasons)
+        self.assertFalse(first_turn.needs_regeneration)
+        self.assertFalse(quoted.needs_regeneration)
+
+    def test_blocks_near_duplicate_previous_client_reply_but_allows_short_overlap(self) -> None:
+        previous = "몰라요. 엄마가 그냥 가보라고 해서 왔어요."
+        duplicate = guardrail.sanitize_client_reply(
+            "몰라요. 엄마가 그냥 가보라고 해서 왔어요.",
+            ideation_stage=1,
+            previous_client_reply=previous,
+        )
+        near_duplicate = guardrail.sanitize_client_reply(
+            "엄마가 그냥 가보라고 해서 왔어요. 몰라요.",
+            ideation_stage=1,
+            previous_client_reply=previous,
+        )
+        allowed = guardrail.sanitize_client_reply(
+            "엄마가 가보라고 한 건 맞는데, 지금은 좀 짜증나요.",
+            ideation_stage=1,
+            previous_client_reply=previous,
+        )
+
+        self.assertTrue(duplicate.needs_regeneration)
+        self.assertIn("duplicate_client_reply", duplicate.reasons)
+        self.assertTrue(near_duplicate.needs_regeneration)
+        self.assertIn("duplicate_client_reply", near_duplicate.reasons)
+        self.assertFalse(allowed.needs_regeneration)
+
+
+if __name__ == "__main__":
+    unittest.main()