The sticky footer was only wired into the 9 tool pages — the home
page (``_home.py``) called ``hide_streamlit_chrome`` but never
``render_sticky_footer``, so the app-level Close+Help bar was
missing whenever the user was on the home page. Add the call.
Also drop the home page's now-redundant trailing
``st.divider() + st.caption(t("chrome.footer"))`` block — same
"blank white bar above the sticky footer" symptom that motivated
removing the per-page version from the tool pages.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Michael
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