feat: add tools.json — JFP_TOOL_STANDARD_v1 with 6 tools

Switch base model to Qwen2.5-1.5B-Instruct — lightweight JFP-BC agent

Add finetune.py — LoRA ROCm RX9060XT

Add QLoRA fine-tune script for RTX 2060

Add training dataset 100+ examples — JFP categories v1

Add training dataset — JFP examples v1

Add training/ folder

Add config.json — JFP inference settings

Add system_prompt.txt — JFP Constitutional Layer

Update README.md

initial commit