agent API: clean /search endpoint, rich api_description, 33K count, short_description

Link each series ID to its FRED page

Bump gradio to 6.14.0 (4.x HfFolder import conflicts with hf_hub 1.x)

Pin Python 3.12 (audioop removed in 3.13 breaks gradio->pydub import)

Fix: materialize real index files via local_dir (lance cannot read HF symlink snapshots)

Deploy FRED-VDB semantic search demo

initial commit