[DP-334] AI 요약 히스토리 분리 롤백 — 추후 별도 구현

src/main/java/com/devpick/domain/content/controller/ContentController.java

@@ -2,8 +2,6 @@
 
 import com.devpick.domain.content.dto.ContentDetailResponse;
 import com.devpick.domain.content.dto.ContentListResponse;
-import com.devpick.domain.content.dto.SummaryViewedRequest;
-import com.devpick.domain.content.service.AiSummaryService;
 import com.devpick.domain.content.service.ContentService;
 import com.devpick.global.common.response.ApiResponse;
 import io.swagger.v3.oas.annotations.Operation;
@@ -35,7 +33,6 @@
 public class ContentController {
 
     private final ContentService contentService;
-    private final AiSummaryService aiSummaryService;
 
     @Operation(summary = "개인화 피드 조회", description = "사용자의 기술 태그와 레벨에 맞는 개인화된 콘텐츠 목록을 반환합니다.")
     @ApiResponses({
@@ -80,21 +77,6 @@ public ApiResponse<ContentDetailResponse> getDetail(
         return ApiResponse.ok(contentService.getDetail(userId, contentId));
     }
 
-    @Operation(summary = "AI 요약 조회 히스토리 기록", description = "AI 요약 섹션 최초 진입 시 1회 호출합니다. 히스토리(ai_summary_viewed)가 기록됩니다.")
-    @ApiResponses({
-        @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "204", description = "기록 성공"),
-        @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "401", description = "인증 필요"),
-        @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "404", description = "콘텐츠를 찾을 수 없음")
-    })
-    @PostMapping("/{contentId}/summary/viewed")
-    @ResponseStatus(HttpStatus.NO_CONTENT)
-    public void recordSummaryViewed(
-            @AuthenticationPrincipal UUID userId,
-            @Parameter(description = "콘텐츠 ID (UUID)", required = true) @PathVariable UUID contentId,
-            @RequestBody SummaryViewedRequest request) {
-        aiSummaryService.recordSummaryViewed(userId, contentId, request.level());
-    }
-
     @Operation(summary = "원문 확인(학습 기록)", description = "외부 원문 링크를 연 시점에 호출합니다. 학습 히스토리(content_opened)가 기록됩니다.")
     @ApiResponses({
         @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "204", description = "기록 성공"),

src/main/java/com/devpick/domain/content/service/AiSummaryService.java

@@ -53,6 +53,7 @@ public AiSummaryResponse getSummary(UUID userId, UUID contentId, String level) {
         String redisKey = buildRedisKey(contentId, aiLevel);
         AiSummaryResponse cached = getFromRedis(redisKey);
         if (cached != null && cached.expiresAt() != null && cached.expiresAt().isAfter(Instant.now())) {
+            recordHistory(userId, contentId);
             return cached;
         }
 
@@ -62,6 +63,7 @@ public AiSummaryResponse getSummary(UUID userId, UUID contentId, String level) {
                 && docOpt.get().getExpiresAt().isAfter(LocalDateTime.now())) {
             AiSummaryResponse response = AiSummaryResponse.of(docOpt.get());
             saveToRedis(redisKey, response);
+            recordHistory(userId, contentId);
             return response;
         }
 
@@ -76,6 +78,7 @@ public AiSummaryResponse getSummary(UUID userId, UUID contentId, String level) {
 
         AiSummaryResponse response = AiSummaryResponse.of(doc);
         saveToRedis(redisKey, response);
+        recordHistory(userId, contentId);
         return response;
     }
 
@@ -156,14 +159,13 @@ public Optional<String> findCachedCoreSummary(UUID contentId, String level) {
         }
     }
 
-    public void recordSummaryViewed(UUID userId, UUID contentId, String level) {
+    private void recordHistory(UUID userId, UUID contentId) {
         userRepository.findByIdAndIsActiveTrue(userId).ifPresent(user ->
                 contentRepository.findByIdAndIsAvailableTrue(contentId).ifPresent(content ->
                         historyRepository.save(History.builder()
                                 .user(user)
                                 .actionType("ai_summary_viewed")
                                 .content(content)
-                                .level(level)
                                 .build())
                 )
         );

src/main/java/com/devpick/domain/report/entity/History.java

@@ -43,7 +43,4 @@ public class History extends BaseCreatedEntity {
     @ManyToOne(fetch = FetchType.LAZY)
     @JoinColumn(name = "comment_id")
     private Comment comment;
-
-    @Column(name = "level", length = 20)
-    private String level;
 }