ADR 0033, step 1: go_router with a StatefulShellRoute and halkyon_ui's
NavigationFrame as Train's (D1), the tabs Today, Upcoming, Inbox and
Browse, each saying tasks come later (D2), every screen washing down in
strawberry (D3), and Settings over the tabs from Browse's cog, grouped in
cards: the operator's, the account, What's new and About Halkyon Todo,
the version below (D4). The account sheet and the empty home go.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Signed-off-by: Tizian 「ティツィアーン」 <raisondetredev@pm.me>