chore: drop errorhandler fix, raised separately as #86

The JSON-body-on-abort fix is independent of the heating model and
affects existing endpoints on main; it now lives in its own PR. The
short-history rejection test only asserts the 400 status until #86
lands.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

Author: andig

src/optimizer/app.py

@@ -45,9 +45,6 @@ def handle_validation_error(error):
         error.data['details'] = error.data['errors']
         del error.data['errors']
         return error.data, 400
-    elif error.data:
-        # plain api.abort(400, message) calls carry only a message
-        return error.data, 400
     else:
         raise error
 

tests/test_heating.py

@@ -88,8 +88,9 @@ def test_api_heating_parameters_rejects_short_history():
         'history_temp': [45.0, 44.0],
         'history_energy': [100.0],
     })
+    # note: JSON body assertion deliberately omitted — the errorhandler fix
+    # making message-only aborts return JSON is raised separately (PR #86)
     assert response.status_code == 400
-    assert 'too short' in response.json['message']
 
 
 def test_api_heating_roundtrip():