test(s): add skeleton for events.interfaces

tests/test_cli_main.py

@@ -0,0 +1,9 @@
+import importlib
+
+
+def test_import_cli_main():
+    mod = importlib.import_module("llm_observability_analytics.cli.main")
+    assert mod is not None
+
+
+# TODO: add tests for --help, --dry-run and config loading using tmp_path

tests/test_contracts_entities.py

@@ -0,0 +1,9 @@
+import importlib
+
+
+def test_import_contracts_entities():
+    mod = importlib.import_module("llm_observability_analytics.contracts.entities")
+    assert mod is not None
+
+
+# TODO: add roundtrip dataclass tests using sample data

tests/test_events_interfaces.py

@@ -0,0 +1,9 @@
+import importlib
+
+
+def test_import_events_interfaces():
+    mod = importlib.import_module("llm_observability_analytics.events.interfaces")
+    assert mod is not None
+
+
+# TODO: add tests that implement a dummy loader to validate interface behavior