test: move area_cli tests into cli directory (#3842)

* test: move area_cli tests into cli directory

* test: include research CLI status in cli test move

tests/cli/test_cookbook_cli_state.py

@@ -0,0 +1,17 @@
+import io
+
+import pytest
+
+from tests.helpers.cli_loader import load_script
+
+
+def test_state_set_rejects_non_object_json(tmp_path, monkeypatch, capsys):
+    cli = load_script("odysseus-cookbook")
+    cli._STATE_PATH = tmp_path / "cookbook_state.json"
+    monkeypatch.setattr(cli.sys, "stdin", io.StringIO("[]"))
+
+    with pytest.raises(SystemExit):
+        cli.cmd_state_set(type("Args", (), {})())
+
+    assert "expected a JSON object" in capsys.readouterr().err
+    assert not cli._STATE_PATH.exists()