perf(user): cambio readById por readMe para leer información propia

src/main/java/com/example/apprecetas/user/infrastructure/controller/ReadUserController.java

 package com.example.apprecetas.user.infrastructure.controller;
 
 import com.example.apprecetas.user.application.ReadUserUseCase;
+import com.example.apprecetas.user.domain.entity.User;
 import com.example.apprecetas.user.infrastructure.controller.dto.UserOutputDto;
 import com.example.apprecetas.user.infrastructure.mapper.UserMapper;
 import lombok.RequiredArgsConstructor;
 import org.mapstruct.factory.Mappers;
 import org.springframework.http.ResponseEntity;
+import org.springframework.security.core.context.SecurityContextHolder;
 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;
 
@@ -22,9 +23,11 @@ public class ReadUserController {
 
     private final UserMapper mapper = Mappers.getMapper(UserMapper.class);
 
-    @GetMapping("/id/{id}")
-    public ResponseEntity<UserOutputDto> readById(@PathVariable String id) {
-        return ResponseEntity.ok().body(mapper.map(service.readById(id)));
+    @GetMapping("/me")
+    public ResponseEntity<UserOutputDto> readMe() {
+        String email = SecurityContextHolder.getContext().getAuthentication().getName();
+        User user = service.readByEmail(email);
+        return ResponseEntity.ok().body(mapper.map(service.readById(user.getId())));
     }
 
     @GetMapping