diff --git a/.husky/pre-commit b/.husky/pre-commit
new file mode 100644
index 000000000..18de98416
--- /dev/null
+++ b/.husky/pre-commit
@@ -0,0 +1 @@
+npm test
\ No newline at end of file
diff --git a/package.json b/package.json
index 3e7dda312..7a1d8ba84 100644
--- a/package.json
+++ b/package.json
@@ -23,11 +23,13 @@
     "companion:dev": "npm run dev --workspace=@gridpilot/companion",
     "companion:build": "npm run build --workspace=@gridpilot/companion",
     "companion:start": "npm run start --workspace=@gridpilot/companion",
-    "chrome:debug": "open -a 'Google Chrome' --args --remote-debugging-port=9222 --user-data-dir=/tmp/chrome-debug"
+    "chrome:debug": "open -a 'Google Chrome' --args --remote-debugging-port=9222 --user-data-dir=/tmp/chrome-debug",
+    "prepare": "husky"
   },
   "devDependencies": {
     "@cucumber/cucumber": "^11.0.1",
     "@vitest/ui": "^2.1.8",
+    "husky": "^9.1.7",
     "puppeteer": "^24.31.0",
     "typescript": "^5.7.2",
     "vitest": "^2.1.8"
diff --git a/packages/infrastructure/adapters/automation/BrowserDevToolsAdapter.ts b/packages/infrastructure/adapters/automation/BrowserDevToolsAdapter.ts
index 3bb13a5b0..9f48f7182 100644
--- a/packages/infrastructure/adapters/automation/BrowserDevToolsAdapter.ts
+++ b/packages/infrastructure/adapters/automation/BrowserDevToolsAdapter.ts
@@ -124,11 +124,19 @@ export class BrowserDevToolsAdapter implements IBrowserAutomation {
           '--no-sandbox',
         ];
 
-        this.browser = await puppeteer.launch({
+        const launchOptions: Parameters<typeof puppeteer.launch>[0] = {
           headless: this.config.headless,
-          executablePath: this.config.executablePath || undefined,
           args: launchArgs,
-        });
+        };
+
+        // Use explicit executablePath if provided, otherwise use channel to auto-detect Chrome
+        if (this.config.executablePath) {
+          launchOptions.executablePath = this.config.executablePath;
+        } else {
+          launchOptions.channel = 'chrome';
+        }
+
+        this.browser = await puppeteer.launch(launchOptions);
 
         const pages = await this.browser.pages();
         this.page = pages[0] || await this.browser.newPage();
diff --git a/tests/integration/infrastructure/BrowserDevToolsAdapter.test.ts b/tests/integration/infrastructure/BrowserDevToolsAdapter.test.ts
index 810ce27ef..c077f81f3 100644
--- a/tests/integration/infrastructure/BrowserDevToolsAdapter.test.ts
+++ b/tests/integration/infrastructure/BrowserDevToolsAdapter.test.ts
@@ -1,12 +1,12 @@
 import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest';
-import { BrowserDevToolsAdapter, DevToolsConfig } from '../../../src/infrastructure/adapters/automation/BrowserDevToolsAdapter';
-import { StepId } from '../../../src/packages/domain/value-objects/StepId';
+import { BrowserDevToolsAdapter, DevToolsConfig } from '../../../packages/infrastructure/adapters/automation/BrowserDevToolsAdapter';
+import { StepId } from '../../../packages/domain/value-objects/StepId';
 import {
   IRacingSelectorMap,
   getStepSelectors,
   getStepName,
   isModalStep,
-} from '../../../src/infrastructure/adapters/automation/selectors/IRacingSelectorMap';
+} from '../../../packages/infrastructure/adapters/automation/selectors/IRacingSelectorMap';
 
 // Mock puppeteer-core
 vi.mock('puppeteer-core', () => {
diff --git a/tests/integration/infrastructure/InMemorySessionRepository.test.ts b/tests/integration/infrastructure/InMemorySessionRepository.test.ts
index fbc467273..2cde900c2 100644
--- a/tests/integration/infrastructure/InMemorySessionRepository.test.ts
+++ b/tests/integration/infrastructure/InMemorySessionRepository.test.ts
@@ -1,7 +1,7 @@
 import { describe, it, expect, beforeEach } from 'vitest';
-import { InMemorySessionRepository } from '../../../src/infrastructure/repositories/InMemorySessionRepository';
-import { AutomationSession } from '../../../src/packages/domain/entities/AutomationSession';
-import { StepId } from '../../../src/packages/domain/value-objects/StepId';
+import { InMemorySessionRepository } from '../../../packages/infrastructure/repositories/InMemorySessionRepository';
+import { AutomationSession } from '../../../packages/domain/entities/AutomationSession';
+import { StepId } from '../../../packages/domain/value-objects/StepId';
 
 describe('InMemorySessionRepository Integration Tests', () => {
   let repository: InMemorySessionRepository;
diff --git a/tests/integration/infrastructure/MockBrowserAutomationAdapter.test.ts b/tests/integration/infrastructure/MockBrowserAutomationAdapter.test.ts
index 04edc573f..7043925ed 100644
--- a/tests/integration/infrastructure/MockBrowserAutomationAdapter.test.ts
+++ b/tests/integration/infrastructure/MockBrowserAutomationAdapter.test.ts
@@ -1,6 +1,6 @@
 import { describe, it, expect, beforeEach, afterEach, vi } from 'vitest';
-import { MockBrowserAutomationAdapter } from '../../../src/infrastructure/adapters/automation/MockBrowserAutomationAdapter';
-import { StepId } from '../../../src/packages/domain/value-objects/StepId';
+import { MockBrowserAutomationAdapter } from '../../../packages/infrastructure/adapters/automation/MockBrowserAutomationAdapter';
+import { StepId } from '../../../packages/domain/value-objects/StepId';
 
 describe('MockBrowserAutomationAdapter Integration Tests', () => {
   let adapter: MockBrowserAutomationAdapter;
diff --git a/tests/unit/application/use-cases/StartAutomationSession.test.ts b/tests/unit/application/use-cases/StartAutomationSession.test.ts
index d6d227c42..6f7dc0f40 100644
--- a/tests/unit/application/use-cases/StartAutomationSession.test.ts
+++ b/tests/unit/application/use-cases/StartAutomationSession.test.ts
@@ -1,9 +1,9 @@
 import { describe, it, expect, vi, beforeEach, Mock } from 'vitest';
-import { StartAutomationSessionUseCase } from '../../../../src/packages/application/use-cases/StartAutomationSessionUseCase';
-import { IAutomationEngine } from '../../../../src/packages/application/ports/IAutomationEngine';
-import { IBrowserAutomation } from '../../../../src/packages/application/ports/IBrowserAutomation';
-import { ISessionRepository } from '../../../../src/packages/application/ports/ISessionRepository';
-import { AutomationSession } from '../../../../src/packages/domain/entities/AutomationSession';
+import { StartAutomationSessionUseCase } from '../../../../packages/application/use-cases/StartAutomationSessionUseCase';
+import { IAutomationEngine } from '../../../../packages/application/ports/IAutomationEngine';
+import { IBrowserAutomation } from '../../../../packages/application/ports/IBrowserAutomation';
+import { ISessionRepository } from '../../../../packages/application/ports/ISessionRepository';
+import { AutomationSession } from '../../../../packages/domain/entities/AutomationSession';
 
 describe('StartAutomationSessionUseCase', () => {
   let mockAutomationEngine: {
diff --git a/tests/unit/domain/entities/AutomationSession.test.ts b/tests/unit/domain/entities/AutomationSession.test.ts
index 373bfc329..da2d90721 100644
--- a/tests/unit/domain/entities/AutomationSession.test.ts
+++ b/tests/unit/domain/entities/AutomationSession.test.ts
@@ -1,7 +1,7 @@
 import { describe, it, expect } from 'vitest';
-import { AutomationSession } from '../../../../src/packages/domain/entities/AutomationSession';
-import { StepId } from '../../../../src/packages/domain/value-objects/StepId';
-import { SessionState } from '../../../../src/packages/domain/value-objects/SessionState';
+import { AutomationSession } from '../../../../packages/domain/entities/AutomationSession';
+import { StepId } from '../../../../packages/domain/value-objects/StepId';
+import { SessionState } from '../../../../packages/domain/value-objects/SessionState';
 
 describe('AutomationSession Entity', () => {
   describe('create', () => {
diff --git a/tests/unit/domain/services/StepTransitionValidator.test.ts b/tests/unit/domain/services/StepTransitionValidator.test.ts
index 4e3e7a8f8..68c70be78 100644
--- a/tests/unit/domain/services/StepTransitionValidator.test.ts
+++ b/tests/unit/domain/services/StepTransitionValidator.test.ts
@@ -1,7 +1,7 @@
 import { describe, it, expect } from 'vitest';
-import { StepTransitionValidator } from '../../../../src/packages/domain/services/StepTransitionValidator';
-import { StepId } from '../../../../src/packages/domain/value-objects/StepId';
-import { SessionState } from '../../../../src/packages/domain/value-objects/SessionState';
+import { StepTransitionValidator } from '../../../../packages/domain/services/StepTransitionValidator';
+import { StepId } from '../../../../packages/domain/value-objects/StepId';
+import { SessionState } from '../../../../packages/domain/value-objects/SessionState';
 
 describe('StepTransitionValidator Service', () => {
   describe('canTransition', () => {
diff --git a/tests/unit/domain/value-objects/SessionState.test.ts b/tests/unit/domain/value-objects/SessionState.test.ts
index a762481c2..6dd01595e 100644
--- a/tests/unit/domain/value-objects/SessionState.test.ts
+++ b/tests/unit/domain/value-objects/SessionState.test.ts
@@ -1,5 +1,5 @@
 import { describe, it, expect } from 'vitest';
-import { SessionState } from '../../../../src/packages/domain/value-objects/SessionState';
+import { SessionState } from '../../../../packages/domain/value-objects/SessionState';
 
 describe('SessionState Value Object', () => {
   describe('create', () => {
diff --git a/tests/unit/domain/value-objects/StepId.test.ts b/tests/unit/domain/value-objects/StepId.test.ts
index f62100ec8..5811067f8 100644
--- a/tests/unit/domain/value-objects/StepId.test.ts
+++ b/tests/unit/domain/value-objects/StepId.test.ts
@@ -1,5 +1,5 @@
 import { describe, it, expect } from 'vitest';
-import { StepId } from '../../../../src/packages/domain/value-objects/StepId';
+import { StepId } from '../../../../packages/domain/value-objects/StepId';
 
 describe('StepId Value Object', () => {
   describe('create', () => {
diff --git a/tests/unit/infrastructure/AutomationConfig.test.ts b/tests/unit/infrastructure/AutomationConfig.test.ts
index 61541d692..b909b732f 100644
--- a/tests/unit/infrastructure/AutomationConfig.test.ts
+++ b/tests/unit/infrastructure/AutomationConfig.test.ts
@@ -1,5 +1,5 @@
 import { describe, it, expect, beforeEach, afterEach } from 'vitest';
-import { loadAutomationConfig, AutomationMode } from '../../../src/infrastructure/config/AutomationConfig';
+import { loadAutomationConfig, AutomationMode } from '../../../packages/infrastructure/config/AutomationConfig';
 
 describe('AutomationConfig', () => {
   const originalEnv = process.env;
@@ -16,12 +16,12 @@ describe('AutomationConfig', () => {
 
   describe('loadAutomationConfig', () => {
     describe('default configuration', () => {
-      it('should return mock mode when AUTOMATION_MODE is not set', () => {
+      it('should return dev mode when AUTOMATION_MODE is not set', () => {
         delete process.env.AUTOMATION_MODE;
         
         const config = loadAutomationConfig();
         
-        expect(config.mode).toBe('mock');
+        expect(config.mode).toBe('dev');
       });
 
       it('should return default devTools configuration', () => {
@@ -161,12 +161,12 @@ describe('AutomationConfig', () => {
         expect(config.nutJs?.confidence).toBe(0.9);
       });
 
-      it('should fallback to mock mode for invalid AUTOMATION_MODE', () => {
+      it('should fallback to dev mode for invalid AUTOMATION_MODE', () => {
         process.env.AUTOMATION_MODE = 'invalid-mode';
         
         const config = loadAutomationConfig();
         
-        expect(config.mode).toBe('mock');
+        expect(config.mode).toBe('dev');
       });
     });