- Add MinimaxChatNode for text generation using MiniMax-M2.7 and
MiniMax-M2.7-highspeed models via OpenAI-compatible API
- Add MinimaxTextToSpeechNode for speech synthesis using speech-2.8-hd
and speech-2.8-turbo models via MiniMax TTS API
- Add Pydantic request/response models for Chat and TTS APIs to
comfy_api_nodes/apis/minimax.py
- Add unit tests for all new API models