[#71] Refactor: NotificationControllerDocs 수정

src/main/java/Mua/Mua_backend/domain/notification/controller/NotificationController.java

@@ -1,6 +1,7 @@
 package Mua.Mua_backend.domain.notification.controller;
 
 import Mua.Mua_backend.domain.member.entity.Member;
+import Mua.Mua_backend.domain.notification.controller.docs.NotificationControllerDocs;
 import Mua.Mua_backend.domain.notification.dto.response.NotificationResponse;
 import Mua.Mua_backend.domain.notification.service.NotificationService;
 import lombok.RequiredArgsConstructor;
@@ -13,7 +14,7 @@
 @RestController
 @RequiredArgsConstructor
 @RequestMapping("/api/notifications")
-public class NotificationController {
+public class NotificationController implements NotificationControllerDocs {
 
     private final NotificationService notificationService;
 

src/main/java/Mua/Mua_backend/domain/notification/controller/docs/NotificationControllerDocs.java

@@ -17,6 +17,8 @@
 import org.springframework.security.core.annotation.AuthenticationPrincipal;
 import org.springframework.web.bind.annotation.DeleteMapping;
 import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PatchMapping;
+import org.springframework.web.bind.annotation.PathVariable;
 
 import java.util.List;
 
@@ -71,6 +73,31 @@ List<NotificationResponse> getMyNotifications(
     );
 
 
+    @Operation(
+            summary = "알림 읽음 처리",
+            description = """
+                특정 알림을 읽음 상태로 변경합니다.
+
+                - 이미 읽은 알림이어도 요청은 정상 처리됩니다.
+                - 성공 시 200 OK를 반환합니다.
+                """
+    )
+    @ApiResponses({
+            @ApiResponse(
+                    responseCode = "200",
+                    description = "알림 읽음 처리 성공"
+            )
+    })
+    @PatchMapping("/{notificationId}/read")
+    ResponseEntity<Void> readNotification(
+            @Parameter(description = "읽음 처리할 알림 ID", example = "1")
+            @PathVariable Long notificationId,
+
+            @Parameter(hidden = true)
+            @AuthenticationPrincipal Member member
+    );
+
+
     @Operation(
             summary = "내 알림 전체 삭제",
             description = """