fix: omit deprecated temperature from follow-up requests

src/main/java/com/person/repit/interview/service/company/CompanyFollowUpPrompt.java

@@ -34,7 +34,7 @@ private CompanyFollowUpPrompt() {}
 
     public static Map<String, Object> body(ObjectMapper mapper, String model, int maxTokens,
                                           FollowQuestionAiRequest request, FollowQuestionAiResponse candidate) {
-        return Map.of("model", model, "max_tokens", maxTokens, "temperature", 0.3, "system", SYSTEM,
+        return Map.of("model", model, "max_tokens", maxTokens, "system", SYSTEM,
                 "messages", List.of(Map.of("role", "user", "content", user(mapper, request, candidate))));
     }
 

src/main/java/com/person/repit/interview/service/impl/AiQuestionClientImpl.java

@@ -125,7 +125,6 @@ private Map<String, Object> createRequestBody(FollowQuestionAiRequest request) {
         return Map.of(
                 "model", model,
                 "max_tokens", followUpMaxTokens,
-                "temperature", 0.3,
                 "system", createSystemPrompt(systemMajor(request)),
                 "messages", List.of(
                         Map.of(

src/test/java/com/person/repit/interview/service/company/CompanyFollowUpPromptTest.java

@@ -65,6 +65,7 @@ class CompanyFollowUpPromptTest {
     private String user(FollowQuestionAiRequest request) throws Exception {
         var candidate = MAPPER.readValue(BASE, FollowQuestionAiResponse.class);
         var body = CompanyFollowUpPrompt.body(MAPPER, "stub", 800, request, candidate);
+        assertThat(body.containsKey("temperature")).isFalse();
         var messages = (List<Map<String, Object>>) body.get("messages");
         return (String) messages.getFirst().get("content");
     }

src/test/java/com/person/repit/interview/service/impl/AiQuestionClientImplTest.java

@@ -24,6 +24,15 @@
 
 class AiQuestionClientImplTest {
 
+    @Test
+    void 모델이_거절하는_temperature_옵션을_보내지_않는다() {
+        var request = jobRequest(InterviewMajor.QA_ENGINEER, InterviewRole.TECH);
+        Map<?, ?> body = ReflectionTestUtils.invokeMethod(client(), "createRequestBody", request);
+        assertThat(body.containsKey("temperature")).isFalse();
+        assertThat(body.get("messages")).isNotNull();
+    }
+
+
     @Test
     void 사용자_프롬프트에_카테고리와_없는_의도를_표시한다() throws Exception {
         FollowQuestionAiRequest request = FollowQuestionAiRequest.builder()