test(curry): keep preload check repeatable

tests/test_curry_store.py

@@ -1,8 +1,8 @@
 """synapse/curry_core.py (vendored) + synapse/curry_store.py (NexusOS's preload).
 
 Two concerns: the vendor sync didn't silently drop the sandbox fix from
-https://github.com/Athena-Pro/Curry/pull/4, and curry_store actually gives
-NexusOS a live, callable instance without wiring it into any chat-facing tool.
+https://github.com/Athena-Pro/Curry/pull/4, and curry_store gives NexusOS a
+live instance for the registered chat tools.
 """
 import pytest
 
@@ -10,14 +10,12 @@ from synapse.curry_core import Curry, TypeSignature
 from synapse import curry_store
 
 
-def test_curry_store_is_preloaded_and_callable():
+def test_curry_store_is_preloaded_and_open():
     # curry_store.curry_db is a module-level singleton constructed at import
     # time (mirrors synapse.memory.store.store / synapse.playbooks.store.playbook_store)
     # - by the time this test runs, it has already opened its database file.
     assert isinstance(curry_store.curry_db, Curry)
-    curry_store.curry_db.declare_constant("t_preload_check", 1, 1, TypeSignature.INT32.value)
-    assert curry_store.curry_db.get_constant_latest("t_preload_check")["value"] == 1
-    curry_store.curry_db.retire_constant("t_preload_check", 1)
+    assert curry_store.curry_db.conn.execute("SELECT 1").fetchone()[0] == 1
 
 
 def test_curry_db_path_matches_nexus_config(tmp_path, monkeypatch):