fix: generate pyproject for init tests

The init command requires a pyproject.toml file to exist. Added
_generate_pyproject() helper method to create a minimal pyproject.toml
in both test methods, matching the pattern used in llamaindex tests.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

Author: AAgnihotry

packages/uipath-openai-agents/tests/cli/test_init.py

@@ -10,6 +10,14 @@
 class TestInit:
     """Test init command for OpenAI agents."""
 
+    def _generate_pyproject(self):
+        with open("pyproject.toml", "w") as f:
+            f.write(
+                '[project]\nname = "test-project"\nversion = "0.1.0"\n'
+                'description = "Test"\nauthors = [{name = "Test"}]\n'
+                'requires-python = ">=3.11"\n'
+            )
+
     def test_init_basic_config_generation(
         self,
         runner: CliRunner,
@@ -30,6 +38,8 @@ def test_init_basic_config_generation(
             with open("openai_agents.json", "w") as f:
                 f.write(openai_agents_config)
 
+            self._generate_pyproject()
+
             result = runner.invoke(cli, ["init"])
             assert result.exit_code == 0
             assert os.path.exists("entry-points.json")
@@ -87,6 +97,8 @@ def test_init_translation_agent_config_generation(
             with open("openai_agents.json", "w") as f:
                 f.write(openai_agents_config)
 
+            self._generate_pyproject()
+
             result = runner.invoke(cli, ["init"])
             assert result.exit_code == 0
             assert os.path.exists("entry-points.json")