- Mobile bottom tab bar: Chat · Hands · Mind · More. "More" opens the drawer
for the long tail (Journal, Log, Settings, sessions); hamburger retired.
- Auto-hides while the keyboard is open (body.kb) so the input pins to the
keyboard; mobile-only (desktop keeps its header nav).
- Removed now-redundant Mind/Hands from the drawer + their listeners.
- Bottom-fill fix: #chat uses 100dvh (the visible viewport) — 100vh/inset:0
reach into the home-indicator zone iOS won't comfortably show, clipping the
bar; dvh/svh exclude it. Tab bar is flex:none with a small fixed bottom
padding (safe-area padding double-counts at dvh height), and the body bg
matches the bar so any strip below #chat is seamless.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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