fix: change tokenizer_class to Qwen2TokenizerFast for vLLM compatibility

docs: update training data distribution with accurate numbers (SFT 36,713 + DPO 24,779)

feat: add Q8_0 GGUF quantized model (7.6GB)

feat: add Q4_K_M GGUF quantized model (4.4GB)

docs: update model card with GGUF formats, benchmarks, usage examples

Fix tokenizer_config.json - remove extra_special_tokens list causing vLLM error

Fix config.json for vLLM compatibility (remove layer_types, fix rope_parameters)

Fix year to 2026

Update model card for DPO v4

Update to DPO v4 merged model

Upload folder using huggingface_hub

initial commit