# SPDX-License-Identifier: Apache-2.0
# Copyright 2025 RJ Sabouhi
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

class MRS:
    """
    Minimal working version of the Modular Reasoning Scaffold (MRS).
    Expands later — this is just for PyPI compatibility.
    """

    def __init__(self):
        self.state = {}

    def update(self, key, value):
        """Store intermediate values."""
        self.state[key] = value

    def get(self, key):
        """Retrieve a stored value."""
        return self.state.get(key)

    def chain(self):
        """Return current reasoning chain."""
        return self.state.copy()
