Ship Assistent 0.13.0: real QLoRA pipeline and GGUF Ollama register.

Replace fake train loop with TRL SFTTrainer, HF column mapping with fiction preset,
safetensors to GGUF conversion, and ollama create using ollama_base plus ADAPTER.

Co-authored-by: Cursor <cursoragent@cursor.com>

scripts/requirements-train.txt

@@ -0,0 +1,9 @@
+torch>=2.1.0
+transformers>=4.40.0
+datasets>=2.18.0
+peft>=0.10.0
+bitsandbytes>=0.43.0
+trl>=0.8.0
+accelerate>=0.28.0
+sentencepiece>=0.2.0
+protobuf>=3.20.0