[BUG] API 충돌 해결 및 정렬 기준 수정 (#209)

* 응답값 또 수정

* [BUG]게시글 정렬 기준 수정 (createdDate → createdAt)

* [BUG]포트폴리오 API 경로 충돌 해결( URL 변경)

Author: dongjune8931

src/main/java/com/brainpix/profile/controller/PortfolioController.java

@@ -81,7 +81,7 @@ public ResponseEntity<ApiResponse<Void>> deletePortfolio(
 	@AllUser
 	@Operation(summary = "사용자의 포트폴리오 목록 조회",
 		description = "특정 사용자의 포트폴리오 목록을 조회합니다. 자신의 포트폴리오를 조회하려면 자신의 userId를 전달하세요.")
-	@GetMapping("/{userId}")
+	@GetMapping("/{userId}/list")
 	@SwaggerPageable
 	public ResponseEntity<CommonPageResponse<PortfolioResponse>> findPortfolios(
 		@PathVariable Long userId,

src/main/java/com/brainpix/profile/controller/PublicProfileController.java

@@ -59,7 +59,7 @@ public ResponseEntity<ApiResponse<CompanyProfileResponseDto>> getPublicCompanyPr
 	@SwaggerPageable
 	public ResponseEntity<ApiResponse<CommonPageResponse<PublicProfileResponseDto.PostPreviewDto>>> getPostsByUser(
 		@PathVariable Long userId,
-		@PageableDefault(sort = "createdDate", direction = Sort.Direction.DESC) Pageable pageable) {
+		@PageableDefault(sort = "createdAt", direction = Sort.Direction.DESC) Pageable pageable) {
 		CommonPageResponse<PublicProfileResponseDto.PostPreviewDto> pageResponse =
 			CommonPageResponse.of(publicProfileService.getPostsByUser(userId, pageable));
 		return ResponseEntity.ok(ApiResponse.success(pageResponse));

src/main/java/com/brainpix/profile/service/PublicProfileService.java

@@ -62,6 +62,8 @@ public IndividualProfileResponseDto getPublicIndividualProfile(Long userId) {
 
 		// 비공개 항목 처리 (비공개면 빈 값/리스트 반환)
 		return IndividualProfileResponseDto.builder()
+			.userId(profileDto.getUserId())
+			.profileImage(profileDto.getProfileImage())
 			.userType(profileDto.getUserType())
 			.specializations(profileDto.getSpecializations())
 			.name(profileDto.getName())
@@ -91,6 +93,8 @@ public CompanyProfileResponseDto getPublicCompanyProfile(Long userId) {
 		CompanyProfileResponseDto profileDto = myProfileConverter.toCompanyDto((Company)user);
 
 		return CompanyProfileResponseDto.builder()
+			.userId(profileDto.getUserId())
+			.imageUrl(profileDto.getImageUrl())
 			.userType(profileDto.getUserType())
 			.specializations(profileDto.getSpecializations())
 			.name(profileDto.getName())