fixes

tools/lateral_maneuvers/lateral_maneuversd.py

@@ -73,7 +73,7 @@ def _save_status(params: Params, status):
     history = []
   status_copy["history"] = [str(line) for line in history if str(line).strip()][-120:]
   status_copy["updatedAtSec"] = float(status_copy.get("updatedAtSec") or time.monotonic())
-  params.put_nonblocking(STATUS_PARAM, json.dumps(status_copy, separators=(",", ":")))
+  params.put_nonblocking(STATUS_PARAM, status_copy)
   return status_copy
 
 

tools/lateral_maneuvers/test_lateral_maneuversd.py

@@ -0,0 +1,22 @@
+from openpilot.tools.lateral_maneuvers import lateral_maneuversd
+
+
+class FakeParams:
+  def __init__(self):
+    self.writes = []
+
+  def put_nonblocking(self, key, value):
+    self.writes.append((key, value))
+
+
+def test_save_status_writes_json_param_as_dict():
+  params = FakeParams()
+
+  saved = lateral_maneuversd._save_status(params, {
+    "state": "setup",
+    "history": ["", "Armed"],
+  })
+
+  assert params.writes == [(lateral_maneuversd.STATUS_PARAM, saved)]
+  assert isinstance(params.writes[0][1], dict)
+  assert saved["history"] == ["Armed"]