diff --git a/codex_telegram_bridge/tests/test_exec_bridge.py b/codex_telegram_bridge/tests/test_exec_bridge.py
new file mode 100644
index 0000000..104bc64
--- /dev/null
+++ b/codex_telegram_bridge/tests/test_exec_bridge.py
@@ -0,0 +1,9 @@
+from codex_telegram_bridge.exec_bridge import extract_session_id
+
+
+def test_extract_session_id_finds_uuid_v7() -> None:
+    uuid = "019b66fc-64c2-7a71-81cd-081c504cfeb2"
+    text = f"resume session `{uuid}` please"
+
+    assert extract_session_id(text) == uuid
+