Fix CI: set COLUMNS env var for consistent Rich output

Author: Technical-1

tests/test_cli.py

@@ -28,8 +28,8 @@
 
 @pytest.fixture
 def runner() -> CliRunner:
-    """Create a CLI test runner."""
-    return CliRunner()
+    """Create a CLI test runner with consistent terminal width."""
+    return CliRunner(env={"COLUMNS": "200"})
 
 
 @pytest.fixture