diff --git a/tests/e2e/smoke.test.ts b/tests/e2e/smoke.test.ts
new file mode 100644
index 0000000..f4e9ac0
--- /dev/null
+++ b/tests/e2e/smoke.test.ts
@@ -0,0 +1,81 @@
+import * as path from 'path';
+import * as fs from 'fs-extra';
+import { execa } from 'execa';
+
+describe('E2E Smoke Tests', () => {
+  const projectRoot = path.join(__dirname, '..', '..');
+
+  beforeAll(async () => {
+    if (!fs.existsSync(path.join(projectRoot, 'node_modules'))) {
+      await execa('npm', ['install'], { cwd: projectRoot });
+    }
+  });
+
+  describe('Project Structure', () => {
+    it('should have package.json', () => {
+      expect(fs.existsSync(path.join(projectRoot, 'package.json'))).toBe(true);
+    });
+
+    it('should have tsconfig.json', () => {
+      expect(fs.existsSync(path.join(projectRoot, 'tsconfig.json'))).toBe(true);
+    });
+
+    it('should have src directory', () => {
+      expect(fs.existsSync(path.join(projectRoot, 'src'))).toBe(true);
+    });
+
+    it('should have tests directory', () => {
+      expect(fs.existsSync(path.join(projectRoot, 'tests'))).toBe(true);
+    });
+  });
+
+  describe('Build', () => {
+    it('should compile TypeScript without errors', async () => {
+      const result = await execa('npm', ['run', 'build'], { cwd: projectRoot });
+      expect(result.exitCode).toBe(0);
+    });
+
+    it('should generate dist directory', () => {
+      expect(fs.existsSync(path.join(projectRoot, 'dist'))).toBe(true);
+    });
+  });
+
+  describe('CLI Smoke Test', () => {
+    it('should run --version', async () => {
+      const result = await execa('npx', ['ts-node', 'src/index.ts', '--version'], {
+        cwd: projectRoot,
+      });
+      expect(result.exitCode).toBe(0);
+    });
+
+    it('should run --help', async () => {
+      const result = await execa('npx', ['ts-node', 'src/index.ts', '--help'], {
+        cwd: projectRoot,
+      });
+      expect(result.exitCode).toBe(0);
+      expect(result.stdout).toContain('Usage');
+    });
+
+    it('should run info command', async () => {
+      const result = await execa('npx', ['ts-node', 'src/index.ts', 'info'], {
+        cwd: projectRoot,
+      });
+      expect(result.exitCode).toBe(0);
+      expect(result.stdout).toContain('Terminal Layout Sync CLI');
+    });
+  });
+
+  describe('Type Checking', () => {
+    it('should pass type checking', async () => {
+      const result = await execa('npm', ['run', 'typecheck'], { cwd: projectRoot });
+      expect(result.exitCode).toBe(0);
+    });
+  });
+
+  describe('Linting', () => {
+    it('should pass linting', async () => {
+      const result = await execa('npm', ['run', 'lint'], { cwd: projectRoot });
+      expect(result.exitCode).toBe(0);
+    });
+  });
+});