feat: 사용자 및 번역가 정보 조회 기능 추가

src/main/java/com/makive/moumi/controller/ClientController.java

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+package com.makive.moumi.controller;
+
+import com.makive.moumi.exception.dto.DataResponse;
+import com.makive.moumi.service.ClientService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequestMapping("/clients")
+@RequiredArgsConstructor
+public class ClientController {
+    private final ClientService clientService;
+
+    @GetMapping("/{clientId}")
+    public DataResponse getClient(@PathVariable Long clientId) {
+        return DataResponse.of(clientService.getClient(clientId));
+    }
+}

src/main/java/com/makive/moumi/controller/TranslatorController.java

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+package com.makive.moumi.controller;
+
+import com.makive.moumi.exception.dto.DataResponse;
+import com.makive.moumi.service.TranslatorService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequestMapping("/translators")
+@RequiredArgsConstructor
+public class TranslatorController {
+    private final TranslatorService translatorService;
+
+    @GetMapping("/{translatorId}")
+    public DataResponse getTranslator(@PathVariable Long translatorId) {
+        return DataResponse.of(translatorService.getTranslator(translatorId));
+    }
+}

src/main/java/com/makive/moumi/model/dto/ClientDTO.java

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+package com.makive.moumi.model.dto;
+
+import com.makive.moumi.model.domain.Client;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Getter
+@Builder
+@AllArgsConstructor
+@NoArgsConstructor
+public class ClientDTO {
+    private String email;
+    private String name;
+
+    public static ClientDTO fromClient(Client client) {
+        return ClientDTO.builder()
+                .email(client.getEmail())
+                .name(client.getName())
+                .build();
+    }
+}

src/main/java/com/makive/moumi/model/dto/response/ClientResponse.java

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+package com.makive.moumi.model.dto.response;
+
+import com.makive.moumi.model.dto.ClientDTO;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Getter
+@Builder
+@AllArgsConstructor
+@NoArgsConstructor
+public class ClientResponse {
+    private ClientDTO client;
+}

src/main/java/com/makive/moumi/model/dto/response/TranslatorResponse.java

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+package com.makive.moumi.model.dto.response;
+
+import com.makive.moumi.model.dto.TranslatorDTO;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Getter
+@Builder
+@AllArgsConstructor
+@NoArgsConstructor
+public class TranslatorResponse {
+    private TranslatorDTO translator;
+}

src/main/java/com/makive/moumi/repository/TranslatorRepository.java

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+package com.makive.moumi.repository;
+
+import com.makive.moumi.model.domain.Translator;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface TranslatorRepository extends JpaRepository<Translator, Long> {
+}

src/main/java/com/makive/moumi/service/ClientService.java

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+package com.makive.moumi.service;
+
+import com.makive.moumi.exception.Code;
+import com.makive.moumi.exception.GeneralException;
+import com.makive.moumi.model.domain.Client;
+import com.makive.moumi.model.dto.ClientDTO;
+import com.makive.moumi.model.dto.response.ClientResponse;
+import com.makive.moumi.repository.ClientRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+@Service
+@Transactional(readOnly = true)
+@RequiredArgsConstructor
+public class ClientService {
+    private final ClientRepository clientRepository;
+
+    public ClientResponse getClient(Long clientId) {
+        Client client = clientRepository.findById(clientId)
+                .orElseThrow(() -> new GeneralException(Code.DATA_NOT_FOUND));
+
+        return ClientResponse.builder()
+                .client(ClientDTO.fromClient(client))
+                .build();
+    }
+}

src/main/java/com/makive/moumi/service/TranslatorService.java

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+package com.makive.moumi.service;
+
+import com.makive.moumi.exception.Code;
+import com.makive.moumi.exception.GeneralException;
+import com.makive.moumi.model.domain.Translator;
+import com.makive.moumi.model.dto.TranslatorDTO;
+import com.makive.moumi.model.dto.response.TranslatorResponse;
+import com.makive.moumi.repository.TranslatorRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+@Service
+@Transactional(readOnly = true)
+@RequiredArgsConstructor
+public class TranslatorService {
+    private final TranslatorRepository translatorRepository;
+
+    public TranslatorResponse getTranslator(Long clientId) {
+        Translator translator = translatorRepository.findById(clientId)
+                .orElseThrow(() -> new GeneralException(Code.DATA_NOT_FOUND));
+
+        return TranslatorResponse.builder()
+                .translator(TranslatorDTO.fromTranslator(translator))
+                .build();
+    }
+}