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Legacy Streamlit UI

QuOptuna ships an older multi-page Streamlit dashboard (src/quoptuna/frontend/app.py). It predates the Next.js UI and is retained for compatibility, but it is not the recommended way to use QuOptuna.

What it is

Section titled “What it is”

The Streamlit dashboard follows the same conceptual flow as the modern wizard — dataset → optimize → train → SHAP analysis → report — through a set of Streamlit pages rather than the guided 6-step wizard. It talks to the same optimization engine underneath.

How to launch it

Section titled “How to launch it”
Terminal window
quoptuna run --streamlit

Or via the Make target:

Terminal window
make run_streamlit

Should you use it?

Section titled “Should you use it?”

Prefer the Next.js wizard for any new work — it is the actively supported UI and shares the same underlying workflow engine. Reach for the Streamlit dashboard only if the Next.js UI is unavailable in your environment.

See also

Section titled “See also”