diff --git a/app/local-ai-commit-reviewer/tests/integration/test_review_workflow.py b/app/local-ai-commit-reviewer/tests/integration/test_review_workflow.py
new file mode 100644
index 0000000..c28a06d
--- /dev/null
+++ b/app/local-ai-commit-reviewer/tests/integration/test_review_workflow.py
@@ -0,0 +1,46 @@
+from fixtures.sample_repo import MockLLMProvider
+
+
+class TestReviewWorkflow:
+    def test_review_with_no_staged_changes(self, temp_git_repo, mock_config):
+        from src.core.review_engine import ReviewEngine  # noqa: PLC0415
+
+        engine = ReviewEngine(config=mock_config, llm_provider=MockLLMProvider())
+        engine.set_repo(temp_git_repo)
+        result = engine.review_staged_changes([])
+        assert result.error == "No staged changes found"
+
+    def test_review_with_staged_file(self, temp_git_repo, mock_config, request):
+        from src.core.review_engine import ReviewEngine  # noqa: PLC0415
+        from src.git import get_staged_changes  # noqa: PLC0415
+
+        request.getfixturevalue("sample_python_file")
+        changes = get_staged_changes(temp_git_repo)
+
+        engine = ReviewEngine(config=mock_config, llm_provider=MockLLMProvider())
+        engine.set_repo(temp_git_repo)
+        result = engine.review_staged_changes(changes)
+
+        assert result.review_mode == "balanced"
+        assert result.error is None or len(result.issues) >= 0
+
+
+class TestHookInstallation:
+    def test_install_hook(self, temp_git_repo):
+        from src.hooks import install_pre_commit_hook  # noqa: PLC0415
+
+        result = install_pre_commit_hook(temp_git_repo)
+        assert result is True
+
+        hook_path = temp_git_repo / ".git" / "hooks" / "pre-commit"
+        assert hook_path.exists()
+
+        content = hook_path.read_text()
+        assert "aicr" in content or "review" in content
+
+    def test_check_hook_installed(self, temp_git_repo):
+        from src.hooks import check_hook_installed, install_pre_commit_hook  # noqa: PLC0415
+
+        assert check_hook_installed(temp_git_repo) is False
+        install_pre_commit_hook(temp_git_repo)
+        assert check_hook_installed(temp_git_repo) is True