add a retranslate chinese function

sentence_api/tests/test_ai_tutor.py

@@ -4,7 +4,7 @@ import json
 import re
 import threading
 
-from sentence_api.ai_tutor import AITutor, AITutorError, _parse_translation_payload
+from sentence_api.ai_tutor import AITutor, AITutorError, _apply_translation_terms, _parse_translation_payload
 
 
 class FakeResponse:
@@ -173,6 +173,38 @@ def test_ai_tutor_splits_invalid_windows_and_retries(monkeypatch):
     assert calls["count"] >= 3
 
 
+def test_ai_tutor_includes_name_terms_and_rewrites_output(monkeypatch):
+    requests_payloads = []
+
+    def fake_post(endpoint, headers, json, timeout):
+        requests_payloads.append(json)
+        return FakeResponse(
+            body={"choices": [{"message": {"content": '{"0":"哈达马托击败了 Harimoto。"}'}}]}
+        )
+
+    monkeypatch.setattr("sentence_api.ai_tutor.requests.post", fake_post)
+    tutor = AITutor("https://ai.test/v1", "secret", "test-model", 1)
+
+    translated = tutor.translate_sentences(
+        [(0, "Harimoto won.")],
+        course_title="Table tennis",
+        terms=[("Harimoto", "哈瑞么托"), ("哈达马托", "哈瑞么托")],
+    )
+
+    assert translated == {0: "哈瑞么托击败了 哈瑞么托。"}
+    user_prompt = requests_payloads[0]["messages"][1]["content"]
+    assert "Harimoto => 哈瑞么托" in user_prompt
+    assert "哈达马托 => 哈瑞么托" in user_prompt
+
+
+def test_apply_translation_terms_replaces_english_and_wrong_chinese():
+    assert _apply_translation_terms(
+        "Harimoto won.",
+        "哈达马托击败了 Harimoto。",
+        [("Harimoto", "哈瑞么托"), ("哈达马托", "哈瑞么托")],
+    ) == "哈瑞么托击败了 哈瑞么托。"
+
+
 def test_parse_translation_payload_accepts_fenced_json_and_numbered_lines():
     assert _parse_translation_payload('```json\n["一", "二"]\n```', 2) == {0: "一", 1: "二"}
     assert _parse_translation_payload("1. 一\n2. 二", 2) == {0: "一", 1: "二"}