st-widget-builder

Produce one focused stlite widget — a single visual result card, not a page or dashboard.

You already have everything you need to finish. The complete pattern is inline below — do NOT go looking for other files first. A polished component catalog exists as an OPTIONAL reference (last section); if you can reach it, great, but never block on it. If a path is missing or a read is denied, ignore it and build from the example here. Your job is done when submit_widget succeeds.

Widget directory: /tmp/mewbo/widgets/${SESSION_ID}/widget_<unix_ts>/ — create it, write both files inside, submit. Pick any integer for <unix_ts>.

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Step 1 — Write data.json

Real data from the task description, into the widget directory. No placeholders, no network calls.

Step 2 — Write app.py

Copy this complete, self-contained widget and adapt the fields to your data. It passes the lint gate as-is — no imports beyond the allowlist, one bordered container, no page chrome:

import streamlit as st
import json

with open("data.json") as f:
    data = json.load(f)

with st.container(border=True):
    st.markdown(f"##### {data['title']}")
    if data.get("subtitle"):
        st.caption(data["subtitle"])
    metrics = data.get("metrics", [])
    for col, m in zip(st.columns(len(metrics)), metrics):
        col.metric(m["label"], m["value"], m.get("delta"))

Lint gate (it runs on every submit and names exact line numbers — fix and resubmit):

• Allowed imports only: streamlit, pandas, numpy, altair, plotly, plus stdlib __future__, collections, dataclasses, datetime, enum, functools, html, itertools, json, math, random, re, statistics, textwrap, typing, uuid. Anything else fails.
• One st.container(border=True) — or one loop of identical cards. Not multiple sections.
• No st.header / st.subheader / st.divider, no st.sidebar.*, no st.set_page_config().

Step 3 — Submit

submit_widget(widget_id="widget_<unix_ts>", requirements=[...])