Orbit Support Drafter (SFT)

The Drafter agent of a LangGraph multi-agent support system for the fictional shop Orbit Electronics. Base model HuggingFaceTB/SmolLM2-360M-Instruct, LoRA-fine-tuned and merged. Stage: sft (sft = supervised on the response simulator; dpo = then aligned with human and critic preferences via Direct Preference Optimisation).

Evaluation (held-out simulated tickets, full multi-agent graph)

stage temperature first-draft approval resolved avg drafts
base 0 0 0 3
sft 0 0.619 0.619 1.762
sft 0.7 0.476 0.524 2

Knowledge-base fingerprint: 034b279610ce. Demo model trained on synthetic data; it only knows the toy policies of Orbit Electronics.

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