Add judge demo UI and run-code endpoint

Revert "Add model playground demo UI"

Revert "Mount Gradio playground at /web"

Mount Gradio playground at /web

Add model playground demo UI

Prepare overnight training run

Expand Space training request overrides

Smoke-train deployment update

Fix Space inference runtime and align training deps

Smoke-train deployment update

generate code api

v4

Add HF support

Add V1 env