feat: restore original layout with sliders and examples

feat: add max_tokens and temperature sliders

fix: add api_name='predict' to match cached frontend

fix: remove gradio/huggingface-hub (already in Spaces base image)

fix: use gr.Blocks with explicit .click() binding

fix: simplify to 2 inputs/1 output to eliminate parameter mismatch

fix: correct GGUF repo name (Qwen2.5-Coder-7B-Instruct-GGUF)

fix: use gr.Interface to fix parameter mismatch error

fix: use pre-built llama-cpp-python wheel to avoid OOM build

fix: switch to GGUF model (llama-cpp-python) for CPU compatibility

feat: add Gradio interactive demo

initial commit