diff --git a/tests/test_cli_main.py b/tests/test_cli_main.py
new file mode 100644
index 0000000..63d9ddd
--- /dev/null
+++ b/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
diff --git a/tests/test_contracts_entities.py b/tests/test_contracts_entities.py
new file mode 100644
index 0000000..d9f6bba
--- /dev/null
+++ b/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
diff --git a/tests/test_events_interfaces.py b/tests/test_events_interfaces.py
new file mode 100644
index 0000000..ce1e1e4
--- /dev/null
+++ b/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