Update api/inference.py

Update api/inference.py

Update api/inference.py

fix(llm): plumb provider from UI/env to inference; simplify sidebar; default to Fireworks

fix(inference): provider-gated LLM calls; use Fireworks native by default with HF Router fallback.

Update api/inference.py

Update api/inference.py

Update api/inference.py

Update api/inference.py

Fix HF API ERROR

Fix HF API ERROR