diff --git a/meet-ce/backend/src/models/mongoose-schemas/api-key.schema.ts b/meet-ce/backend/src/models/mongoose-schemas/api-key.schema.ts
index 1f53380c..95b7a98e 100644
--- a/meet-ce/backend/src/models/mongoose-schemas/api-key.schema.ts
+++ b/meet-ce/backend/src/models/mongoose-schemas/api-key.schema.ts
@@ -1,6 +1,7 @@
 import { MeetApiKey } from '@openvidu-meet/typings';
 import { model, Schema } from 'mongoose';
 import { INTERNAL_CONFIG } from '../../config/internal-config.js';
+import { DocumentOnlyField } from '../database.model.js';
 import { SchemaMigratableDocument } from '../migration.model.js';
 
 /**
@@ -9,6 +10,19 @@ import { SchemaMigratableDocument } from '../migration.model.js';
  */
 export interface MeetApiKeyDocument extends MeetApiKey, SchemaMigratableDocument {}
 
+/**
+ * Type for fields in MeetApiKeyDocument that are not present in MeetApiKey domain model.
+ */
+export type MeetApiKeyDocumentOnlyField = DocumentOnlyField<MeetApiKeyDocument, MeetApiKey>;
+
+/**
+ * List of fields that exist only in the MeetApiKeyDocument and not in the MeetApiKey domain model.
+ * IMPORTANT: Update this list if new document-only fields are added to the MeetApiKeyDocument interface
+ */
+export const MEET_API_KEY_DOCUMENT_ONLY_FIELDS = [
+	'schemaVersion'
+] as const satisfies readonly MeetApiKeyDocumentOnlyField[];
+
 /**
  * Mongoose schema for MeetApiKey entity.
  * Defines the structure and validation rules for API key documents in MongoDB.
diff --git a/meet-ce/backend/src/models/mongoose-schemas/global-config.schema.ts b/meet-ce/backend/src/models/mongoose-schemas/global-config.schema.ts
index 7d6d8158..c7488558 100644
--- a/meet-ce/backend/src/models/mongoose-schemas/global-config.schema.ts
+++ b/meet-ce/backend/src/models/mongoose-schemas/global-config.schema.ts
@@ -1,8 +1,9 @@
 import { GlobalConfig, OAuthProvider } from '@openvidu-meet/typings';
 import { model, Schema } from 'mongoose';
 import { INTERNAL_CONFIG } from '../../config/internal-config.js';
-import { MeetAppearanceConfigSchema } from './room.schema.js';
+import { DocumentOnlyField } from '../database.model.js';
 import { SchemaMigratableDocument } from '../migration.model.js';
+import { MeetAppearanceConfigSchema } from './room.schema.js';
 
 /**
  * Mongoose Document interface for global config.
@@ -10,6 +11,19 @@ import { SchemaMigratableDocument } from '../migration.model.js';
  */
 export interface MeetGlobalConfigDocument extends GlobalConfig, SchemaMigratableDocument {}
 
+/**
+ * Type for fields in MeetGlobalConfigDocument that are not present in GlobalConfig domain model.
+ */
+export type MeetGlobalConfigDocumentOnlyField = DocumentOnlyField<MeetGlobalConfigDocument, GlobalConfig>;
+
+/**
+ * List of fields that exist only in the MeetGlobalConfigDocument and not in the GlobalConfig domain model.
+ * IMPORTANT: Update this list if new document-only fields are added to the MeetGlobalConfigDocument interface
+ */
+export const MEET_GLOBAL_CONFIG_DOCUMENT_ONLY_FIELDS = [
+	'schemaVersion'
+] as const satisfies readonly MeetGlobalConfigDocumentOnlyField[];
+
 /**
  * Sub-schema for OAuth provider configuration.
  */
diff --git a/meet-ce/backend/src/models/mongoose-schemas/recording.schema.ts b/meet-ce/backend/src/models/mongoose-schemas/recording.schema.ts
index 1256da0f..5d6229f5 100644
--- a/meet-ce/backend/src/models/mongoose-schemas/recording.schema.ts
+++ b/meet-ce/backend/src/models/mongoose-schemas/recording.schema.ts
@@ -1,6 +1,7 @@
 import { MeetRecordingInfo, MeetRecordingLayout, MeetRecordingStatus } from '@openvidu-meet/typings';
 import { model, Schema } from 'mongoose';
 import { INTERNAL_CONFIG } from '../../config/internal-config.js';
+import { DocumentOnlyField } from '../database.model.js';
 import { SchemaMigratableDocument } from '../migration.model.js';
 
 /**
@@ -15,6 +16,20 @@ export interface MeetRecordingDocument extends MeetRecordingInfo, SchemaMigratab
 	};
 }
 
+/**
+ * Type for fields in MeetRecordingDocument that are not present in MeetRecordingInfo domain model.
+ */
+export type MeetRecordingDocumentOnlyField = DocumentOnlyField<MeetRecordingDocument, MeetRecordingInfo>;
+
+/**
+ * List of fields that exist only in the MeetRecordingDocument and not in the MeetRecordingInfo domain model.
+ * IMPORTANT: Update this list if new document-only fields are added to the MeetRecordingDocument interface
+ */
+export const MEET_RECORDING_DOCUMENT_ONLY_FIELDS = [
+	'schemaVersion',
+	'accessSecrets'
+] as const satisfies readonly MeetRecordingDocumentOnlyField[];
+
 /**
  * Mongoose schema for MeetRecordingInfo entity.
  * Defines the structure and validation rules for recording documents in MongoDB.
diff --git a/meet-ce/backend/src/models/mongoose-schemas/room-member.schema.ts b/meet-ce/backend/src/models/mongoose-schemas/room-member.schema.ts
index 080dfe70..2778d285 100644
--- a/meet-ce/backend/src/models/mongoose-schemas/room-member.schema.ts
+++ b/meet-ce/backend/src/models/mongoose-schemas/room-member.schema.ts
@@ -1,6 +1,7 @@
 import { MeetRoomMember, MeetRoomMemberRole } from '@openvidu-meet/typings';
 import { Schema, model } from 'mongoose';
 import { INTERNAL_CONFIG } from '../../config/internal-config.js';
+import { DocumentOnlyField } from '../database.model.js';
 import { SchemaMigratableDocument } from '../migration.model.js';
 
 /**
@@ -9,6 +10,19 @@ import { SchemaMigratableDocument } from '../migration.model.js';
  */
 export interface MeetRoomMemberDocument extends MeetRoomMember, SchemaMigratableDocument {}
 
+/**
+ * Type for fields in MeetRoomMemberDocument that are not present in MeetRoomMember domain model.
+ */
+export type MeetRoomMemberDocumentOnlyField = DocumentOnlyField<MeetRoomMemberDocument, MeetRoomMember>;
+
+/**
+ * List of fields that exist only in the MeetRoomMemberDocument and not in the MeetRoomMember domain model.
+ * IMPORTANT: Update this list if new document-only fields are added to the MeetRoomMemberDocument interface
+ */
+export const MEET_ROOM_MEMBER_DOCUMENT_ONLY_FIELDS = [
+	'schemaVersion'
+] as const satisfies readonly MeetRoomMemberDocumentOnlyField[];
+
 const permissionFields = {
 	canRecord: { type: Boolean },
 	canRetrieveRecordings: { type: Boolean },
diff --git a/meet-ce/backend/src/models/mongoose-schemas/room.schema.ts b/meet-ce/backend/src/models/mongoose-schemas/room.schema.ts
index 6c9f85cb..5e226f34 100644
--- a/meet-ce/backend/src/models/mongoose-schemas/room.schema.ts
+++ b/meet-ce/backend/src/models/mongoose-schemas/room.schema.ts
@@ -9,8 +9,9 @@ import {
 } from '@openvidu-meet/typings';
 import { Schema, model } from 'mongoose';
 import { INTERNAL_CONFIG } from '../../config/internal-config.js';
-import { MeetRoomMemberPermissionsSchema } from './room-member.schema.js';
+import { DocumentOnlyField } from '../database.model.js';
 import { SchemaMigratableDocument } from '../migration.model.js';
+import { MeetRoomMemberPermissionsSchema } from './room-member.schema.js';
 
 /**
  * Mongoose Document interface for rooms.
@@ -18,6 +19,17 @@ import { SchemaMigratableDocument } from '../migration.model.js';
  */
 export interface MeetRoomDocument extends MeetRoom, SchemaMigratableDocument {}
 
+/**
+ * Type for fields in MeetRoomDocument that are not present in MeetRoom domain model.
+ */
+export type MeetRoomDocumentOnlyField = DocumentOnlyField<MeetRoomDocument, MeetRoom>;
+
+/**
+ * List of fields that exist only in the MeetRoomDocument and not in the MeetRoom domain model.
+ * IMPORTANT: Update this list if new document-only fields are added to the MeetRoomDocument interface
+ */
+export const MEET_ROOM_DOCUMENT_ONLY_FIELDS = ['schemaVersion'] as const satisfies readonly MeetRoomDocumentOnlyField[];
+
 /**
  * Sub-schema for auto-deletion policy.
  */
diff --git a/meet-ce/backend/src/models/mongoose-schemas/user.schema.ts b/meet-ce/backend/src/models/mongoose-schemas/user.schema.ts
index 71f95124..608f103e 100644
--- a/meet-ce/backend/src/models/mongoose-schemas/user.schema.ts
+++ b/meet-ce/backend/src/models/mongoose-schemas/user.schema.ts
@@ -1,6 +1,7 @@
 import { MeetUser, MeetUserRole } from '@openvidu-meet/typings';
 import { model, Schema } from 'mongoose';
 import { INTERNAL_CONFIG } from '../../config/internal-config.js';
+import { DocumentOnlyField } from '../database.model.js';
 import { SchemaMigratableDocument } from '../migration.model.js';
 
 /**
@@ -9,6 +10,17 @@ import { SchemaMigratableDocument } from '../migration.model.js';
  */
 export interface MeetUserDocument extends MeetUser, SchemaMigratableDocument {}
 
+/**
+ * Type for fields in MeetUserDocument that are not present in MeetUser domain model.
+ */
+export type MeetUserDocumentOnlyField = DocumentOnlyField<MeetUserDocument, MeetUser>;
+
+/**
+ * List of fields that exist only in the MeetUserDocument and not in the MeetUser domain model.
+ * IMPORTANT: Update this list if new document-only fields are added to the MeetUserDocument interface
+ */
+export const MEET_USER_DOCUMENT_ONLY_FIELDS = ['schemaVersion'] as const satisfies readonly MeetUserDocumentOnlyField[];
+
 /**
  * Mongoose schema for MeetUser entity.
  * Defines the structure and validation rules for user documents in MongoDB.
diff --git a/meet-ce/backend/src/repositories/api-key.repository.ts b/meet-ce/backend/src/repositories/api-key.repository.ts
index fb5ac3c8..35e349aa 100644
--- a/meet-ce/backend/src/repositories/api-key.repository.ts
+++ b/meet-ce/backend/src/repositories/api-key.repository.ts
@@ -2,7 +2,12 @@ import { MeetApiKey } from '@openvidu-meet/typings';
 import { inject, injectable } from 'inversify';
 import { Require_id } from 'mongoose';
 import { INTERNAL_CONFIG } from '../config/internal-config.js';
-import { MeetApiKeyDocument, MeetApiKeyModel } from '../models/mongoose-schemas/api-key.schema.js';
+import {
+	MEET_API_KEY_DOCUMENT_ONLY_FIELDS,
+	MeetApiKeyDocument,
+	MeetApiKeyDocumentOnlyField,
+	MeetApiKeyModel
+} from '../models/mongoose-schemas/api-key.schema.js';
 import { LoggerService } from '../services/logger.service.js';
 import { BaseRepository } from './base.repository.js';
 
@@ -21,6 +26,10 @@ export class ApiKeyRepository extends BaseRepository<MeetApiKey, MeetApiKeyDocum
 		return apiKey as MeetApiKey;
 	}
 
+	protected override getDocumentOnlyFields(): readonly MeetApiKeyDocumentOnlyField[] {
+		return MEET_API_KEY_DOCUMENT_ONLY_FIELDS;
+	}
+
 	/**
 	 * Creates a new API key.
 	 */
diff --git a/meet-ce/backend/src/repositories/global-config.repository.ts b/meet-ce/backend/src/repositories/global-config.repository.ts
index de68219a..7dff0d3a 100644
--- a/meet-ce/backend/src/repositories/global-config.repository.ts
+++ b/meet-ce/backend/src/repositories/global-config.repository.ts
@@ -2,7 +2,12 @@ import { GlobalConfig } from '@openvidu-meet/typings';
 import { inject, injectable } from 'inversify';
 import { Require_id } from 'mongoose';
 import { INTERNAL_CONFIG } from '../config/internal-config.js';
-import { MeetGlobalConfigDocument, MeetGlobalConfigModel } from '../models/mongoose-schemas/global-config.schema.js';
+import {
+	MEET_GLOBAL_CONFIG_DOCUMENT_ONLY_FIELDS,
+	MeetGlobalConfigDocument,
+	MeetGlobalConfigDocumentOnlyField,
+	MeetGlobalConfigModel
+} from '../models/mongoose-schemas/global-config.schema.js';
 import { LoggerService } from '../services/logger.service.js';
 import { BaseRepository } from './base.repository.js';
 
@@ -24,6 +29,10 @@ export class GlobalConfigRepository extends BaseRepository<GlobalConfig, MeetGlo
 		return globalConfig as GlobalConfig;
 	}
 
+	protected override getDocumentOnlyFields(): readonly MeetGlobalConfigDocumentOnlyField[] {
+		return MEET_GLOBAL_CONFIG_DOCUMENT_ONLY_FIELDS;
+	}
+
 	/**
 	 * Creates the global configuration document.
 	 *
diff --git a/meet-ce/backend/src/repositories/recording.repository.ts b/meet-ce/backend/src/repositories/recording.repository.ts
index 2ae8fdda..20072bac 100644
--- a/meet-ce/backend/src/repositories/recording.repository.ts
+++ b/meet-ce/backend/src/repositories/recording.repository.ts
@@ -9,7 +9,12 @@ import { inject, injectable } from 'inversify';
 import { QueryFilter, Require_id } from 'mongoose';
 import { uid as secureUid } from 'uid/secure';
 import { INTERNAL_CONFIG } from '../config/internal-config.js';
-import { MeetRecordingDocument, MeetRecordingModel } from '../models/mongoose-schemas/recording.schema.js';
+import {
+	MEET_RECORDING_DOCUMENT_ONLY_FIELDS,
+	MeetRecordingDocument,
+	MeetRecordingDocumentOnlyField,
+	MeetRecordingModel
+} from '../models/mongoose-schemas/recording.schema.js';
 import { LoggerService } from '../services/logger.service.js';
 import { BaseRepository } from './base.repository.js';
 
@@ -29,6 +34,10 @@ export class RecordingRepository extends BaseRepository<MeetRecordingInfo, MeetR
 		return recording as MeetRecordingInfo;
 	}
 
+	protected override getDocumentOnlyFields(): readonly MeetRecordingDocumentOnlyField[] {
+		return MEET_RECORDING_DOCUMENT_ONLY_FIELDS;
+	}
+
 	/**
 	 * Creates a new recording with generated access secrets.
 	 *
diff --git a/meet-ce/backend/src/repositories/room-member.repository.ts b/meet-ce/backend/src/repositories/room-member.repository.ts
index 70ba8ed2..514e0b12 100644
--- a/meet-ce/backend/src/repositories/room-member.repository.ts
+++ b/meet-ce/backend/src/repositories/room-member.repository.ts
@@ -2,7 +2,12 @@ import { MeetRoomMember, MeetRoomMemberFilters, MeetRoomMemberPermissions, SortO
 import { inject, injectable } from 'inversify';
 import { QueryFilter, Require_id } from 'mongoose';
 import { INTERNAL_CONFIG } from '../config/internal-config.js';
-import { MeetRoomMemberDocument, MeetRoomMemberModel } from '../models/mongoose-schemas/room-member.schema.js';
+import {
+	MEET_ROOM_MEMBER_DOCUMENT_ONLY_FIELDS,
+	MeetRoomMemberDocument,
+	MeetRoomMemberDocumentOnlyField,
+	MeetRoomMemberModel
+} from '../models/mongoose-schemas/room-member.schema.js';
 import { LoggerService } from '../services/logger.service.js';
 import { BaseRepository } from './base.repository.js';
 
@@ -22,6 +27,10 @@ export class RoomMemberRepository extends BaseRepository<MeetRoomMember, MeetRoo
 		return member as MeetRoomMember;
 	}
 
+	protected override getDocumentOnlyFields(): readonly MeetRoomMemberDocumentOnlyField[] {
+		return MEET_ROOM_MEMBER_DOCUMENT_ONLY_FIELDS;
+	}
+
 	/**
 	 * Adds a member to a room.
 	 *
diff --git a/meet-ce/backend/src/repositories/room.repository.ts b/meet-ce/backend/src/repositories/room.repository.ts
index 2c3e4b4a..c139bc5a 100644
--- a/meet-ce/backend/src/repositories/room.repository.ts
+++ b/meet-ce/backend/src/repositories/room.repository.ts
@@ -2,7 +2,12 @@ import { MeetRoom, MeetRoomField, MeetRoomFilters, MeetRoomStatus, SortOrder } f
 import { inject, injectable } from 'inversify';
 import { QueryFilter, Require_id } from 'mongoose';
 import { INTERNAL_CONFIG } from '../config/internal-config.js';
-import { MeetRoomDocument, MeetRoomModel } from '../models/mongoose-schemas/room.schema.js';
+import {
+	MEET_ROOM_DOCUMENT_ONLY_FIELDS,
+	MeetRoomDocument,
+	MeetRoomDocumentOnlyField,
+	MeetRoomModel
+} from '../models/mongoose-schemas/room.schema.js';
 import { LoggerService } from '../services/logger.service.js';
 import { getBasePath } from '../utils/html-dynamic-base-path.utils.js';
 import { getBaseUrl } from '../utils/url.utils.js';
@@ -31,6 +36,10 @@ export class RoomRepository extends BaseRepository<MeetRoom, MeetRoomDocument> {
 		return this.enrichRoomWithBaseUrls(room as MeetRoom);
 	}
 
+	protected override getDocumentOnlyFields(): readonly MeetRoomDocumentOnlyField[] {
+		return MEET_ROOM_DOCUMENT_ONLY_FIELDS;
+	}
+
 	/**
 	 * Creates a new room.
 	 * URLs are stored in the database without the base URL.
diff --git a/meet-ce/backend/src/repositories/user.repository.ts b/meet-ce/backend/src/repositories/user.repository.ts
index c6656529..294d38da 100644
--- a/meet-ce/backend/src/repositories/user.repository.ts
+++ b/meet-ce/backend/src/repositories/user.repository.ts
@@ -2,7 +2,12 @@ import { MeetUser, MeetUserFilters, SortOrder } from '@openvidu-meet/typings';
 import { inject, injectable } from 'inversify';
 import { QueryFilter, Require_id } from 'mongoose';
 import { INTERNAL_CONFIG } from '../config/internal-config.js';
-import { MeetUserDocument, MeetUserModel } from '../models/mongoose-schemas/user.schema.js';
+import {
+	MEET_USER_DOCUMENT_ONLY_FIELDS,
+	MeetUserDocument,
+	MeetUserDocumentOnlyField,
+	MeetUserModel
+} from '../models/mongoose-schemas/user.schema.js';
 import { LoggerService } from '../services/logger.service.js';
 import { BaseRepository } from './base.repository.js';
 
@@ -22,6 +27,10 @@ export class UserRepository extends BaseRepository<MeetUser, MeetUserDocument> {
 		return user as MeetUser;
 	}
 
+	protected override getDocumentOnlyFields(): readonly MeetUserDocumentOnlyField[] {
+		return MEET_USER_DOCUMENT_ONLY_FIELDS;
+	}
+
 	/**
 	 * Creates a new user.
 	 *