Add password reset Java object (#2765)

A future PR will add the actions that save and use this object. That
future PR will also require loading RegistrarPoc objects given the
registrar ID, hence the change in that class.

core/src/test/java/google/registry/model/console/PasswordResetRequestTest.java

@@ -0,0 +1,65 @@
+// Copyright 2025 The Nomulus Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package google.registry.model.console;
+
+import static com.google.common.truth.Truth.assertThat;
+import static google.registry.model.ImmutableObjectSubject.assertAboutImmutableObjects;
+import static google.registry.testing.DatabaseHelper.persistResource;
+import static org.junit.Assert.assertThrows;
+
+import google.registry.model.EntityTestCase;
+import google.registry.persistence.VKey;
+import google.registry.testing.DatabaseHelper;
+import org.junit.jupiter.api.Test;
+
+/** Tests for {@link PasswordResetRequest}. */
+public class PasswordResetRequestTest extends EntityTestCase {
+
+  PasswordResetRequestTest() {
+    super(JpaEntityCoverageCheck.ENABLED);
+  }
+
+  @Test
+  void testSuccess_persistence() {
+    PasswordResetRequest request =
+        new PasswordResetRequest.Builder()
+            .setRequester("requestor@email.tld")
+            .setDestinationEmail("destination@email.tld")
+            .setType(PasswordResetRequest.Type.EPP)
+            .setRegistrarId("TheRegistrar")
+            .build();
+    String verificationCode = request.getVerificationCode();
+    assertThat(verificationCode).isNotEmpty();
+    persistResource(request);
+    PasswordResetRequest fromDatabase =
+        DatabaseHelper.loadByKey(VKey.create(PasswordResetRequest.class, verificationCode));
+    assertAboutImmutableObjects().that(fromDatabase).isEqualExceptFields(request, "requestTime");
+    assertThat(fromDatabase.getRequestTime()).isEqualTo(fakeClock.nowUtc());
+  }
+
+  @Test
+  void testFailure_nullFields() {
+    PasswordResetRequest.Builder builder = new PasswordResetRequest.Builder();
+    assertThrows(IllegalArgumentException.class, builder::build);
+    builder.setType(PasswordResetRequest.Type.EPP);
+    assertThrows(IllegalArgumentException.class, builder::build);
+    builder.setRequester("foobar@email.tld");
+    assertThrows(IllegalArgumentException.class, builder::build);
+    builder.setDestinationEmail("email@email.tld");
+    assertThrows(IllegalArgumentException.class, builder::build);
+    builder.setRegistrarId("TheRegistrar");
+    builder.build();
+  }
+}

core/src/test/java/google/registry/schema/integration/SqlIntegrationTestSuite.java

@@ -25,6 +25,7 @@ import google.registry.model.common.CursorTest;
 import google.registry.model.common.DnsRefreshRequestTest;
 import google.registry.model.common.FeatureFlagTest;
 import google.registry.model.console.ConsoleUpdateHistoryTest;
+import google.registry.model.console.PasswordResetRequestTest;
 import google.registry.model.console.UserTest;
 import google.registry.model.contact.ContactTest;
 import google.registry.model.domain.DomainSqlTest;
@@ -104,6 +105,7 @@ import org.junit.runner.RunWith;
   FeatureFlagTest.class,
   HostHistoryTest.class,
   LockTest.class,
+  PasswordResetRequestTest.class,
   PollMessageTest.class,
   PremiumListDaoTest.class,
   RdeRevisionTest.class,