merge(iteration-1): adopt attendance lombok conventions

src/main/java/com/lab/labtimesheet/feature/attendance/controller/AttendanceController.java

@@ -7,6 +7,8 @@ import com.lab.labtimesheet.feature.attendance.service.AttendanceApplicationServ
 import com.lab.labtimesheet.feature.attendance.service.AttendanceCurrentUserService;
 import java.security.Principal;
 import java.time.LocalDate;
+import lombok.AccessLevel;
+import lombok.RequiredArgsConstructor;
 import org.springframework.format.annotation.DateTimeFormat;
 import org.springframework.security.access.AccessDeniedException;
 import org.springframework.stereotype.Controller;
@@ -22,17 +24,12 @@ import org.springframework.web.servlet.mvc.support.RedirectAttributes;
  */
 @Controller
 @RequestMapping("/attendance")
+@RequiredArgsConstructor(access = AccessLevel.PACKAGE)
 public class AttendanceController {
 
     private final AttendanceApplicationService attendance;
     private final AttendanceCurrentUserService currentUsers;
 
-    AttendanceController(
-            AttendanceApplicationService attendance, AttendanceCurrentUserService currentUsers) {
-        this.attendance = attendance;
-        this.currentUsers = currentUsers;
-    }
-
     /**
      * Renders the authenticated Intern's inclusive attendance history, defaulting to the current month.
      *

src/main/java/com/lab/labtimesheet/feature/attendance/controller/CalendarController.java

@@ -7,6 +7,8 @@ import com.lab.labtimesheet.feature.attendance.service.AttendanceCurrentUserServ
 import com.lab.labtimesheet.feature.attendance.service.CalendarApplicationService;
 import java.security.Principal;
 import java.time.LocalDate;
+import lombok.AccessLevel;
+import lombok.RequiredArgsConstructor;
 import org.springframework.format.annotation.DateTimeFormat;
 import org.springframework.security.access.AccessDeniedException;
 import org.springframework.stereotype.Controller;
@@ -23,21 +25,13 @@ import org.springframework.web.servlet.mvc.support.RedirectAttributes;
  */
 @Controller
 @RequestMapping("/attendance/calendar")
+@RequiredArgsConstructor(access = AccessLevel.PACKAGE)
 public class CalendarController {
 
     private final CalendarApplicationService calendar;
     private final AttendanceApplicationService attendance;
     private final AttendanceCurrentUserService currentUsers;
 
-    CalendarController(
-            CalendarApplicationService calendar,
-            AttendanceApplicationService attendance,
-            AttendanceCurrentUserService currentUsers) {
-        this.calendar = calendar;
-        this.attendance = attendance;
-        this.currentUsers = currentUsers;
-    }
-
     /**
      * Renders the next year of locally stored calendar events for an authenticated Admin.
      *

src/main/java/com/lab/labtimesheet/feature/attendance/model/entity/AttendancePolicyEntity.java

@@ -19,12 +19,15 @@ import java.time.LocalTime;
 import java.time.ZoneId;
 import java.util.Set;
 import java.util.stream.Collectors;
+import lombok.AccessLevel;
+import lombok.NoArgsConstructor;
 
 /**
  * JPA mapping of an immutable-on-effective attendance policy version and its configured workdays.
  */
 @Entity
 @Table(name = "attendance_policy_versions")
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
 public class AttendancePolicyEntity {
 
     @Id
@@ -65,11 +68,6 @@ public class AttendancePolicyEntity {
     @Version
     private long version;
 
-    /**
-     * Required by JPA; application code resolves existing effective-dated versions instead of constructing them here.
-     */
-    protected AttendancePolicyEntity() {}
-
     /**
      * Converts the persisted version to the immutable policy used for historical boundary calculations.
      *

src/main/java/com/lab/labtimesheet/feature/attendance/model/entity/AttendanceRecordEntity.java

@@ -13,12 +13,15 @@ import jakarta.persistence.Table;
 import jakarta.persistence.Version;
 import java.time.Instant;
 import java.time.LocalDate;
+import lombok.AccessLevel;
+import lombok.NoArgsConstructor;
 
 /**
  * JPA persistence model for one Intern/work-date punch row with its permanently attached policy version.
  */
 @Entity
 @Table(name = "attendance_records")
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
 public class AttendanceRecordEntity {
 
     @Id
@@ -44,11 +47,6 @@ public class AttendanceRecordEntity {
     @Version
     private long version;
 
-    /**
-     * Required by JPA.
-     */
-    protected AttendanceRecordEntity() {}
-
     /**
      * Creates a new persistence row from server-authoritative raw punch values.
      *

src/main/java/com/lab/labtimesheet/feature/attendance/model/entity/GlobalCalendarEventEntity.java

@@ -10,12 +10,15 @@ import jakarta.persistence.Id;
 import jakarta.persistence.Table;
 import jakarta.persistence.Version;
 import java.time.LocalDate;
+import lombok.AccessLevel;
+import lombok.NoArgsConstructor;
 
 /**
  * JPA model for the locally authoritative global calendar decision.
  */
 @Entity
 @Table(name = "global_calendar_events")
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
 public class GlobalCalendarEventEntity {
 
     @Id
@@ -43,11 +46,6 @@ public class GlobalCalendarEventEntity {
     @Version
     private long version;
 
-    /**
-     * Required by JPA.
-     */
-    protected GlobalCalendarEventEntity() {}
-
     /**
      * Creates a custom calendar event attributed to the Admin actor.
      *

src/main/java/com/lab/labtimesheet/feature/attendance/model/entity/LeaveRequestDayEntity.java

@@ -9,12 +9,15 @@ import jakarta.persistence.ManyToOne;
 import jakarta.persistence.MapsId;
 import jakarta.persistence.Table;
 import java.time.LocalDate;
+import lombok.AccessLevel;
+import lombok.NoArgsConstructor;
 
 /**
  * JPA mapping of an immutable leave-day allocation whose exact date, policy, and quota snapshot remain historical.
  */
 @Entity
 @Table(name = "leave_request_days")
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
 public class LeaveRequestDayEntity {
 
     @EmbeddedId
@@ -35,11 +38,6 @@ public class LeaveRequestDayEntity {
     @Column(name = "monthly_quota_snapshot", nullable = false)
     private int monthlyQuotaSnapshot;
 
-    /**
-     * Required by JPA.
-     */
-    protected LeaveRequestDayEntity() {}
-
     LeaveRequestDayEntity(
             LeaveRequestEntity request,
             LocalDate leaveDate,

src/main/java/com/lab/labtimesheet/feature/attendance/model/entity/LeaveRequestDayId.java

@@ -5,11 +5,14 @@ import jakarta.persistence.Embeddable;
 import java.io.Serializable;
 import java.time.LocalDate;
 import java.util.Objects;
+import lombok.AccessLevel;
+import lombok.NoArgsConstructor;
 
 /**
  * Composite identifier of one frozen quota-consuming date within a leave request.
  */
 @Embeddable
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
 public class LeaveRequestDayId implements Serializable {
 
     /** Parent request identity used by the composite primary key. */
@@ -20,11 +23,6 @@ public class LeaveRequestDayId implements Serializable {
     @Column(name = "leave_date", nullable = false)
     private LocalDate leaveDate;
 
-    /**
-     * Required by JPA.
-     */
-    protected LeaveRequestDayId() {}
-
     /**
      * Creates the identity for an already-persisted request and its exact allocated date.
      *

src/main/java/com/lab/labtimesheet/feature/attendance/model/entity/LeaveRequestEntity.java

@@ -9,12 +9,15 @@ import jakarta.persistence.Table;
 import jakarta.persistence.Version;
 import java.time.Instant;
 import java.time.LocalDate;
+import lombok.AccessLevel;
+import lombok.NoArgsConstructor;
 
 /**
  * Minimal Attendance-owned JPA mapping of leave request state used when evaluating frozen leave-day allocations.
  */
 @Entity
 @Table(name = "leave_requests")
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
 public class LeaveRequestEntity {
 
     @Id
@@ -51,11 +54,6 @@ public class LeaveRequestEntity {
     @Version
     private long version;
 
-    /**
-     * Required by JPA.
-     */
-    protected LeaveRequestEntity() {}
-
     LeaveRequestEntity(
             long internUserId,
             LocalDate startDate,

src/main/java/com/lab/labtimesheet/feature/attendance/service/AttendanceApplicationService.java

@@ -20,9 +20,11 @@ import java.time.Instant;
 import java.time.LocalDate;
 import java.util.List;
 import java.util.Optional;
-import org.springframework.security.access.AccessDeniedException;
+import lombok.AccessLevel;
+import lombok.RequiredArgsConstructor;
 import org.springframework.dao.DataIntegrityViolationException;
 import org.springframework.orm.ObjectOptimisticLockingFailureException;
+import org.springframework.security.access.AccessDeniedException;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
@@ -31,6 +33,7 @@ import org.springframework.transaction.annotation.Transactional;
  * Account eligibility is obtained only through {@link AccountService}; raw rows retain their attached policy.
  */
 @Service
+@RequiredArgsConstructor(access = AccessLevel.PACKAGE)
 public class AttendanceApplicationService {
 
     private final Clock clock;
@@ -41,23 +44,6 @@ public class AttendanceApplicationService {
     private final CalendarApplicationService calendar;
     private final AttendanceService attendance;
 
-    AttendanceApplicationService(
-            Clock clock,
-            AttendancePolicyRepository policyEntities,
-            AttendanceRecordRepository recordEntities,
-            AttendanceQueryRepository queries,
-            AccountService accounts,
-            CalendarApplicationService calendar,
-            AttendanceService attendance) {
-        this.clock = clock;
-        this.policyEntities = policyEntities;
-        this.recordEntities = recordEntities;
-        this.queries = queries;
-        this.accounts = accounts;
-        this.calendar = calendar;
-        this.attendance = attendance;
-    }
-
     /**
      * Records the sole server-time check-in for the effective policy-local date.
      * Eligibility, workday, calendar, and exact frozen leave allocation are evaluated in the transaction;

src/main/java/com/lab/labtimesheet/feature/attendance/service/AttendanceCurrentUserService.java

@@ -6,6 +6,8 @@ import com.lab.labtimesheet.feature.account.service.AccountService;
 import com.lab.labtimesheet.feature.attendance.model.AttendanceActor;
 import com.lab.labtimesheet.feature.attendance.model.AttendanceRole;
 import java.security.Principal;
+import lombok.AccessLevel;
+import lombok.RequiredArgsConstructor;
 import org.springframework.security.access.AccessDeniedException;
 import org.springframework.stereotype.Service;
 
@@ -13,14 +15,11 @@ import org.springframework.stereotype.Service;
  * Converts Spring Security principals into active Attendance authorization contexts through AccountService DTOs.
  */
 @Service
+@RequiredArgsConstructor(access = AccessLevel.PACKAGE)
 public class AttendanceCurrentUserService {
 
     private final AccountService accounts;
 
-    AttendanceCurrentUserService(AccountService accounts) {
-        this.accounts = accounts;
-    }
-
     /**
      * Resolves the authenticated email through the Account feature and rejects missing or inactive identities.
      *

src/main/java/com/lab/labtimesheet/feature/attendance/service/AttendanceService.java

@@ -8,16 +8,17 @@ import com.lab.labtimesheet.feature.attendance.model.AttendanceRecord;
 import java.time.Instant;
 import java.time.LocalDate;
 import java.util.Optional;
+import lombok.AccessLevel;
+import lombok.NoArgsConstructor;
 import org.springframework.stereotype.Service;
 
 /**
  * Pure attendance punch rules over immutable policy, date context, and raw record values.
  */
 @Service
+@NoArgsConstructor(access = AccessLevel.PACKAGE)
 public final class AttendanceService {
 
-    AttendanceService() {}
-
     /**
      * Creates the sole raw check-in for an eligible Intern/date using the supplied server instant.
      * Equality at the grace boundary is accepted; violation classification remains attached-policy based.

src/main/java/com/lab/labtimesheet/feature/attendance/service/CalendarApplicationService.java

@@ -12,6 +12,8 @@ import com.lab.labtimesheet.feature.attendance.repository.GlobalCalendarEventRep
 import java.time.Clock;
 import java.time.LocalDate;
 import java.util.List;
+import lombok.AccessLevel;
+import lombok.RequiredArgsConstructor;
 import org.springframework.security.access.AccessDeniedException;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
@@ -20,21 +22,13 @@ import org.springframework.transaction.annotation.Transactional;
  * Transactional boundary for the locally authoritative global calendar and its cross-feature day-off decision.
  */
 @Service
+@RequiredArgsConstructor(access = AccessLevel.PACKAGE)
 public class CalendarApplicationService {
 
     private final Clock clock;
     private final AttendancePolicyRepository policies;
     private final GlobalCalendarEventRepository events;
 
-    CalendarApplicationService(
-            Clock clock,
-            AttendancePolicyRepository policies,
-            GlobalCalendarEventRepository events) {
-        this.clock = clock;
-        this.policies = policies;
-        this.events = events;
-    }
-
     /**
      * Creates an Admin-authored custom event on a non-past policy-local date.
      *

src/test/java/com/lab/labtimesheet/feature/attendance/AttendanceLombokBoilerplateTest.java

@@ -0,0 +1,398 @@
+package com.lab.labtimesheet.feature.attendance;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import com.lab.labtimesheet.feature.account.service.AccountService;
+import com.lab.labtimesheet.feature.attendance.controller.AttendanceController;
+import com.lab.labtimesheet.feature.attendance.controller.CalendarController;
+import com.lab.labtimesheet.feature.attendance.model.AttendanceActor;
+import com.lab.labtimesheet.feature.attendance.model.AttendanceDayContext;
+import com.lab.labtimesheet.feature.attendance.model.AttendancePolicy;
+import com.lab.labtimesheet.feature.attendance.model.AttendanceRecord;
+import com.lab.labtimesheet.feature.attendance.model.AttendanceRole;
+import com.lab.labtimesheet.feature.attendance.model.AttendanceViolations;
+import com.lab.labtimesheet.feature.attendance.model.dto.AttendanceCurrentState;
+import com.lab.labtimesheet.feature.attendance.model.dto.AttendanceHistoryItem;
+import com.lab.labtimesheet.feature.attendance.model.dto.GlobalCalendarEvent;
+import com.lab.labtimesheet.feature.attendance.model.entity.AttendancePolicyEntity;
+import com.lab.labtimesheet.feature.attendance.model.entity.AttendanceRecordEntity;
+import com.lab.labtimesheet.feature.attendance.model.entity.GlobalCalendarEventEntity;
+import com.lab.labtimesheet.feature.attendance.model.entity.LeaveRequestDayEntity;
+import com.lab.labtimesheet.feature.attendance.model.entity.LeaveRequestDayId;
+import com.lab.labtimesheet.feature.attendance.model.entity.LeaveRequestEntity;
+import com.lab.labtimesheet.feature.attendance.repository.AttendancePolicyRepository;
+import com.lab.labtimesheet.feature.attendance.repository.AttendanceQueryRepository;
+import com.lab.labtimesheet.feature.attendance.repository.AttendanceRecordRepository;
+import com.lab.labtimesheet.feature.attendance.repository.GlobalCalendarEventRepository;
+import com.lab.labtimesheet.feature.attendance.service.AttendanceApplicationService;
+import com.lab.labtimesheet.feature.attendance.service.AttendanceCurrentUserService;
+import com.lab.labtimesheet.feature.attendance.service.AttendanceService;
+import com.lab.labtimesheet.feature.attendance.service.CalendarApplicationService;
+import java.lang.reflect.Constructor;
+import java.lang.reflect.Method;
+import java.lang.reflect.Modifier;
+import java.math.BigDecimal;
+import java.security.Principal;
+import java.time.Clock;
+import java.time.Instant;
+import java.time.LocalDate;
+import java.time.LocalTime;
+import java.time.ZoneId;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Optional;
+import java.util.Set;
+import org.junit.jupiter.api.Test;
+import org.springframework.ui.Model;
+import org.springframework.web.servlet.mvc.support.RedirectAttributes;
+
+class AttendanceLombokBoilerplateTest {
+
+    private static final int PACKAGE_PRIVATE = 0;
+
+    @Test
+    void generatedConstructorsPreserveParameterListsAndVisibility() {
+        assertConstructors(
+                AttendanceController.class,
+                constructor(
+                        PACKAGE_PRIVATE,
+                        AttendanceApplicationService.class,
+                        AttendanceCurrentUserService.class));
+        assertConstructors(
+                CalendarController.class,
+                constructor(
+                        PACKAGE_PRIVATE,
+                        CalendarApplicationService.class,
+                        AttendanceApplicationService.class,
+                        AttendanceCurrentUserService.class));
+        assertConstructors(
+                AttendanceApplicationService.class,
+                constructor(
+                        PACKAGE_PRIVATE,
+                        Clock.class,
+                        AttendancePolicyRepository.class,
+                        AttendanceRecordRepository.class,
+                        AttendanceQueryRepository.class,
+                        AccountService.class,
+                        CalendarApplicationService.class,
+                        AttendanceService.class));
+        assertConstructors(
+                AttendanceCurrentUserService.class,
+                constructor(PACKAGE_PRIVATE, AccountService.class));
+        assertConstructors(
+                CalendarApplicationService.class,
+                constructor(
+                        PACKAGE_PRIVATE,
+                        Clock.class,
+                        AttendancePolicyRepository.class,
+                        GlobalCalendarEventRepository.class));
+        assertConstructors(AttendanceService.class, constructor(PACKAGE_PRIVATE));
+
+        assertConstructors(AttendancePolicyEntity.class, constructor(Modifier.PROTECTED));
+        assertConstructors(
+                AttendanceRecordEntity.class,
+                constructor(Modifier.PROTECTED),
+                constructor(
+                        Modifier.PUBLIC,
+                        long.class,
+                        LocalDate.class,
+                        AttendancePolicyEntity.class,
+                        Instant.class,
+                        Instant.class));
+        assertConstructors(
+                GlobalCalendarEventEntity.class,
+                constructor(Modifier.PROTECTED),
+                constructor(
+                        Modifier.PUBLIC,
+                        LocalDate.class,
+                        String.class,
+                        boolean.class,
+                        long.class));
+        assertConstructors(
+                LeaveRequestDayEntity.class,
+                constructor(Modifier.PROTECTED),
+                constructor(
+                        PACKAGE_PRIVATE,
+                        LeaveRequestEntity.class,
+                        LocalDate.class,
+                        AttendancePolicyEntity.class,
+                        int.class));
+        assertConstructors(
+                LeaveRequestDayId.class,
+                constructor(Modifier.PROTECTED),
+                constructor(Modifier.PUBLIC, long.class, LocalDate.class));
+        assertConstructors(
+                LeaveRequestEntity.class,
+                constructor(Modifier.PROTECTED),
+                constructor(
+                        PACKAGE_PRIVATE,
+                        long.class,
+                        LocalDate.class,
+                        LocalDate.class,
+                        String.class,
+                        Instant.class,
+                        Instant.class,
+                        long.class,
+                        Instant.class));
+    }
+
+    @Test
+    void immutableModelsRemainRecordsWithTheirComponentContracts() {
+        assertRecordComponents(
+                AttendanceActor.class,
+                component("userId", long.class),
+                component("role", AttendanceRole.class));
+        assertRecordComponents(
+                AttendanceDayContext.class,
+                component("activeIntern", boolean.class),
+                component("globalDayOff", boolean.class),
+                component("approvedLeave", boolean.class));
+        assertRecordComponents(
+                AttendancePolicy.class,
+                component("id", long.class),
+                component("effectiveFrom", LocalDate.class),
+                component("zoneId", ZoneId.class),
+                component("scheduledStart", LocalTime.class),
+                component("scheduledEnd", LocalTime.class),
+                component("checkInGraceMinutes", int.class),
+                component("checkoutGraceMinutes", int.class),
+                component("monthlyLeaveQuota", int.class),
+                component("violationPenalty", BigDecimal.class),
+                component("workdays", Set.class));
+        assertRecordComponents(
+                AttendanceRecord.class,
+                component("internId", long.class),
+                component("workDate", LocalDate.class),
+                component("policy", AttendancePolicy.class),
+                component("checkInAt", Instant.class),
+                component("checkOutAt", Instant.class));
+        assertRecordComponents(
+                AttendanceViolations.class,
+                component("late", boolean.class),
+                component("earlyDeparture", boolean.class),
+                component("missingCheckout", boolean.class));
+        assertRecordComponents(
+                AttendanceHistoryItem.class,
+                component("workDate", LocalDate.class),
+                component("checkInAt", Instant.class),
+                component("checkOutAt", Instant.class),
+                component("policy", AttendancePolicy.class),
+                component("violations", AttendanceViolations.class));
+        assertRecordComponents(
+                GlobalCalendarEvent.class,
+                component("id", long.class),
+                component("date", LocalDate.class),
+                component("name", String.class),
+                component("dayOff", boolean.class),
+                component("version", long.class));
+    }
+
+    @Test
+    void entitiesExposeOnlyIntentionalPublicAndProtectedDeclaredMethods() {
+        assertMethodSurface(
+                AttendancePolicyEntity.class,
+                method(Modifier.PUBLIC, "toDomain", AttendancePolicy.class));
+        assertMethodSurface(
+                AttendanceRecordEntity.class,
+                method(Modifier.PUBLIC, "toDomain", AttendanceRecord.class),
+                method(Modifier.PUBLIC, "setCheckOutAt", void.class, Instant.class),
+                method(Modifier.PUBLIC, "workDate", LocalDate.class));
+        assertMethodSurface(
+                GlobalCalendarEventEntity.class,
+                method(
+                        Modifier.PUBLIC,
+                        "update",
+                        void.class,
+                        LocalDate.class,
+                        String.class,
+                        boolean.class,
+                        long.class),
+                method(Modifier.PUBLIC, "toDomain", GlobalCalendarEvent.class),
+                method(Modifier.PUBLIC, "calendarDate", LocalDate.class),
+                method(Modifier.PUBLIC, "version", long.class));
+        assertMethodSurface(LeaveRequestDayEntity.class);
+        assertMethodSurface(
+                LeaveRequestDayId.class,
+                method(Modifier.PUBLIC, "equals", boolean.class, Object.class),
+                method(Modifier.PUBLIC, "hashCode", int.class));
+        assertMethodSurface(LeaveRequestEntity.class);
+    }
+
+    @Test
+    void componentsExposeOnlyIntentionalPublicAndProtectedDeclaredMethods() {
+        assertMethodSurface(
+                AttendanceController.class,
+                method(
+                        Modifier.PUBLIC,
+                        "ownHistory",
+                        String.class,
+                        Principal.class,
+                        LocalDate.class,
+                        LocalDate.class,
+                        Model.class),
+                method(
+                        Modifier.PUBLIC,
+                        "inspectHistory",
+                        String.class,
+                        Principal.class,
+                        long.class,
+                        LocalDate.class,
+                        LocalDate.class,
+                        Model.class),
+                method(
+                        Modifier.PUBLIC,
+                        "checkIn",
+                        String.class,
+                        Principal.class,
+                        RedirectAttributes.class),
+                method(
+                        Modifier.PUBLIC,
+                        "checkOut",
+                        String.class,
+                        Principal.class,
+                        RedirectAttributes.class));
+        assertMethodSurface(
+                CalendarController.class,
+                method(Modifier.PUBLIC, "calendar", String.class, Principal.class, Model.class),
+                method(
+                        Modifier.PUBLIC,
+                        "create",
+                        String.class,
+                        Principal.class,
+                        LocalDate.class,
+                        String.class,
+                        boolean.class,
+                        RedirectAttributes.class),
+                method(
+                        Modifier.PUBLIC,
+                        "update",
+                        String.class,
+                        Principal.class,
+                        long.class,
+                        long.class,
+                        LocalDate.class,
+                        String.class,
+                        boolean.class,
+                        RedirectAttributes.class));
+        assertMethodSurface(
+                AttendanceApplicationService.class,
+                method(Modifier.PUBLIC, "checkIn", AttendanceRecord.class, long.class),
+                method(Modifier.PUBLIC, "checkOut", AttendanceRecord.class, long.class),
+                method(Modifier.PUBLIC, "currentState", AttendanceCurrentState.class, long.class),
+                method(
+                        Modifier.PUBLIC,
+                        "history",
+                        List.class,
+                        AttendanceActor.class,
+                        long.class,
+                        LocalDate.class,
+                        LocalDate.class),
+                method(Modifier.PUBLIC, "currentBusinessDate", LocalDate.class));
+        assertMethodSurface(
+                AttendanceCurrentUserService.class,
+                method(Modifier.PUBLIC, "actor", AttendanceActor.class, Principal.class));
+        assertMethodSurface(
+                AttendanceService.class,
+                method(
+                        Modifier.PUBLIC,
+                        "checkIn",
+                        AttendanceRecord.class,
+                        long.class,
+                        Instant.class,
+                        AttendancePolicy.class,
+                        AttendanceDayContext.class,
+                        Optional.class),
+                method(
+                        Modifier.PUBLIC,
+                        "checkOut",
+                        AttendanceRecord.class,
+                        Optional.class,
+                        Instant.class));
+        assertMethodSurface(
+                CalendarApplicationService.class,
+                method(
+                        Modifier.PUBLIC,
+                        "createManual",
+                        GlobalCalendarEvent.class,
+                        AttendanceActor.class,
+                        LocalDate.class,
+                        String.class,
+                        boolean.class),
+                method(
+                        Modifier.PUBLIC,
+                        "updateManual",
+                        GlobalCalendarEvent.class,
+                        AttendanceActor.class,
+                        long.class,
+                        long.class,
+                        LocalDate.class,
+                        String.class,
+                        boolean.class),
+                method(Modifier.PUBLIC, "list", List.class, LocalDate.class, LocalDate.class),
+                method(Modifier.PUBLIC, "isGlobalDayOff", boolean.class, LocalDate.class));
+    }
+
+    private static void assertConstructors(
+            Class<?> type, ConstructorContract... expectedConstructors) {
+        List<ConstructorContract> actual = Arrays.stream(type.getDeclaredConstructors())
+                .map(ConstructorContract::from)
+                .toList();
+
+        assertThat(actual).as(type.getName()).containsExactlyInAnyOrder(expectedConstructors);
+    }
+
+    private static void assertRecordComponents(
+            Class<?> type, RecordComponentContract... expectedComponents) {
+        assertThat(type.isRecord()).as(type.getName()).isTrue();
+        assertThat(Arrays.stream(type.getRecordComponents())
+                        .map(component -> new RecordComponentContract(component.getName(), component.getType()))
+                        .toList())
+                .as(type.getName())
+                .containsExactly(expectedComponents);
+    }
+
+    private static void assertMethodSurface(Class<?> type, MethodContract... expectedMethods) {
+        List<MethodContract> actual = Arrays.stream(type.getDeclaredMethods())
+                .filter(method -> Modifier.isPublic(method.getModifiers())
+                        || Modifier.isProtected(method.getModifiers()))
+                .map(MethodContract::from)
+                .toList();
+
+        assertThat(actual).as(type.getName()).containsExactlyInAnyOrder(expectedMethods);
+    }
+
+    private static ConstructorContract constructor(int modifiers, Class<?>... parameterTypes) {
+        return new ConstructorContract(modifiers, List.of(parameterTypes));
+    }
+
+    private static RecordComponentContract component(String name, Class<?> type) {
+        return new RecordComponentContract(name, type);
+    }
+
+    private static MethodContract method(
+            int modifiers, String name, Class<?> returnType, Class<?>... parameterTypes) {
+        return new MethodContract(modifiers, name, returnType, List.of(parameterTypes));
+    }
+
+    private record ConstructorContract(int modifiers, List<Class<?>> parameterTypes) {
+
+        private static ConstructorContract from(Constructor<?> constructor) {
+            return new ConstructorContract(
+                    constructor.getModifiers(), List.of(constructor.getParameterTypes()));
+        }
+    }
+
+    private record RecordComponentContract(String name, Class<?> type) {}
+
+    private record MethodContract(
+            int modifiers, String name, Class<?> returnType, List<Class<?>> parameterTypes) {
+
+        private static MethodContract from(Method method) {
+            return new MethodContract(
+                    method.getModifiers(),
+                    method.getName(),
+                    method.getReturnType(),
+                    List.of(method.getParameterTypes()));
+        }
+    }
+}