transformers safetensors mistral text-generation merge mergekit lazymergekit jan-hq/stealth-v1.3 powermove72/FusionGrit-7B conversational base_model:jan-hq/stealth-v1.3 base_model:finetune:jan-hq/stealth-v1.3 autotrain_compatible text-generation-inference endpoints_compatible region:us