diff --git a/api/src/setting/repositories/setting.repository.spec.ts b/api/src/setting/repositories/setting.repository.spec.ts
new file mode 100644
index 00000000..f471483f
--- /dev/null
+++ b/api/src/setting/repositories/setting.repository.spec.ts
@@ -0,0 +1,186 @@
+/*
+ * Copyright © 2024 Hexastack. All rights reserved.
+ *
+ * Licensed under the GNU Affero General Public License v3.0 (AGPLv3) with the following additional terms:
+ * 1. The name "Hexabot" is a trademark of Hexastack. You may not use this name in derivative works without express written permission.
+ * 2. All derivative works must include clear attribution to the original creator and software, Hexastack and Hexabot, in a prominent location (e.g., in the software's "About" section, documentation, and README file).
+ */
+
+import { EventEmitter2 } from '@nestjs/event-emitter';
+import { getModelToken, MongooseModule } from '@nestjs/mongoose';
+import { Test } from '@nestjs/testing';
+import { Model } from 'mongoose';
+
+import { installSettingFixtures } from '@/utils/test/fixtures/setting';
+import {
+  closeInMongodConnection,
+  rootMongooseTestModule,
+} from '@/utils/test/test';
+
+import { Setting, SettingModel } from '../schemas/setting.schema';
+import { SettingType } from '../schemas/types';
+
+import { SettingRepository } from './setting.repository';
+
+describe('SettingRepository', () => {
+  let settingRepository: SettingRepository;
+  let settingModel: Model<Setting>;
+  let eventEmitter: EventEmitter2;
+
+  beforeAll(async () => {
+    const module = await Test.createTestingModule({
+      imports: [
+        rootMongooseTestModule(installSettingFixtures),
+        MongooseModule.forFeature([SettingModel]),
+      ],
+      providers: [SettingRepository, EventEmitter2],
+    }).compile();
+
+    settingRepository = module.get<SettingRepository>(SettingRepository);
+    settingModel = module.get<Model<Setting>>(getModelToken(Setting.name));
+    eventEmitter = module.get<EventEmitter2>(EventEmitter2);
+  });
+
+  afterEach(() => {
+    jest.clearAllMocks();
+  });
+
+  afterAll(closeInMongodConnection);
+
+  describe('preCreateValidate', () => {
+    it('should validate setting value during creation', async () => {
+      const mockSetting = new settingModel({
+        type: SettingType.text,
+        value: 'Sample Text',
+      });
+      jest.spyOn(settingRepository, 'validateSettingValue');
+
+      await settingRepository.preCreateValidate(mockSetting);
+
+      expect(settingRepository['validateSettingValue']).toHaveBeenCalledWith(
+        SettingType.text,
+        'Sample Text',
+      );
+    });
+
+    it('should throw an error for invalid value type', async () => {
+      const mockSetting = new settingModel({
+        type: SettingType.checkbox,
+        value: 'Invalid Value',
+      });
+
+      await expect(
+        settingRepository.preCreateValidate(mockSetting),
+      ).rejects.toThrow('Setting Model : Value must be a boolean!');
+    });
+  });
+
+  describe('preUpdateValidate', () => {
+    it('should validate updated setting value', async () => {
+      const criteria = { _id: '123' };
+      const updates = {
+        $set: { value: 'Updated Text' },
+      };
+
+      jest.spyOn(settingRepository, 'findOne').mockResolvedValue({
+        type: SettingType.text,
+      } as any);
+
+      await settingRepository.preUpdateValidate(criteria, updates);
+
+      expect(settingRepository.findOne).toHaveBeenCalledWith(criteria);
+      expect(settingRepository['validateSettingValue']).toHaveBeenCalledWith(
+        SettingType.text,
+        'Updated Text',
+      );
+    });
+  });
+
+  describe('postUpdate', () => {
+    it('should emit an event after updating a setting', async () => {
+      const mockSetting = new settingModel({
+        group: 'general',
+        label: 'theme',
+      });
+
+      jest.spyOn(eventEmitter, 'emit');
+
+      await settingRepository.postUpdate({} as any, mockSetting);
+
+      expect(eventEmitter.emit).toHaveBeenCalledWith(
+        'hook:general:theme',
+        mockSetting,
+      );
+    });
+  });
+
+  describe('validateSettingValue', () => {
+    it('should validate value types correctly', () => {
+      expect(() =>
+        settingRepository['validateSettingValue'](
+          SettingType.text,
+          'Valid Text',
+        ),
+      ).not.toThrow();
+
+      expect(() =>
+        settingRepository['validateSettingValue'](SettingType.checkbox, true),
+      ).not.toThrow();
+
+      expect(() =>
+        settingRepository['validateSettingValue'](SettingType.number, 123),
+      ).not.toThrow();
+
+      expect(() =>
+        settingRepository['validateSettingValue'](SettingType.text, 123),
+      ).toThrow('Setting Model : Value must be a string!');
+    });
+  });
+
+  describe('validateSettingValue', () => {
+    const testCases = [
+      {
+        type: SettingType.text,
+        value: 123,
+        error: 'Setting Model : Value must be a string!',
+      },
+      {
+        type: SettingType.checkbox,
+        value: 'true',
+        error: 'Setting Model : Value must be a boolean!',
+      },
+      {
+        type: SettingType.number,
+        value: '123',
+      },
+      {
+        type: SettingType.multiple_text,
+        value: ['valid', 123],
+      },
+      {
+        type: SettingType.attachment,
+        value: 123,
+      },
+      {
+        type: SettingType.secret,
+        value: 123,
+      },
+      {
+        type: SettingType.select,
+        value: 123,
+      },
+      {
+        type: SettingType.multiple_attachment,
+        value: [123, 'valid'],
+      },
+    ];
+
+    testCases.forEach(({ type, value }) => {
+      it(`should throw an error when value type does not match SettingType.${type}`, () => {
+        expect(() =>
+          settingRepository['validateSettingValue'](type, value),
+        ).toThrow();
+      });
+    });
+  });
+});
diff --git a/api/src/setting/repositories/setting.repository.ts b/api/src/setting/repositories/setting.repository.ts
index e0523662..57117f49 100644
--- a/api/src/setting/repositories/setting.repository.ts
+++ b/api/src/setting/repositories/setting.repository.ts
@@ -7,18 +7,21 @@
  */
 
 import { Injectable } from '@nestjs/common';
-import { EventEmitter2 } from '@nestjs/event-emitter';
+import {
+  EventEmitter2,
+  IHookSettingsGroupLabelOperationMap,
+} from '@nestjs/event-emitter';
 import { InjectModel } from '@nestjs/mongoose';
 import {
   Document,
   FilterQuery,
   Model,
+  Query,
   Types,
   UpdateQuery,
   UpdateWithAggregationPipeline,
 } from 'mongoose';
 
-import { I18nService } from '@/i18n/services/i18n.service';
 import { BaseRepository } from '@/utils/generics/base-repository';
 
 import { Setting } from '../schemas/setting.schema';
@@ -29,7 +32,6 @@ export class SettingRepository extends BaseRepository<Setting> {
   constructor(
     readonly eventEmitter: EventEmitter2,
     @InjectModel(Setting.name) readonly model: Model<Setting>,
-    private readonly i18n: I18nService,
   ) {
     super(eventEmitter, model, Setting);
   }
@@ -55,6 +57,32 @@ export class SettingRepository extends BaseRepository<Setting> {
     }
   }
 
+  /**
+   * Emits an event after a `Setting` has been updated.
+   *
+   * This method is used to synchronize global settings by emitting an event
+   * based on the `group` and `label` of the `Setting`.
+   *
+   * @param _query The Mongoose query object used to find and update the document.
+   * @param setting The updated `Setting` object.
+   */
+  async postUpdate(
+    _query: Query<
+      Document<Setting, any, any>,
+      Document<Setting, any, any>,
+      unknown,
+      Setting,
+      'findOneAndUpdate'
+    >,
+    setting: Setting,
+  ) {
+    const group = setting.group as keyof IHookSettingsGroupLabelOperationMap;
+    const label = setting.label as '*';
+
+    // Sync global settings var
+    this.eventEmitter.emit(`hook:${group}:${label}`, setting);
+  }
+
   /**
    * Validates the `Setting` document after it has been retrieved.
    *
@@ -65,7 +93,7 @@ export class SettingRepository extends BaseRepository<Setting> {
    *
    * @param setting The `Setting` document to be validated.
    */
-  private validateSettingValue(type: SettingType, value: any) {
+  public validateSettingValue(type: SettingType, value: any) {
     if (
       (type === SettingType.text || type === SettingType.textarea) &&
       typeof value !== 'string' &&