hanzo.ai/components/home/Frontier.tsx

'use client'

import { Text, View, XStack, YStack } from '@hanzo/ui'
import { More } from '@hanzo/ui/marketing'
import { Loading } from '@/components/api/state'
import { useEnso } from '@/hooks/useEnso'
import { GPQA, RIVAL, said, tile } from '@/lib/enso'
import { gpqa } from '@/lib/home'
import { Board } from './Board'
import { Hold, Section, useSeen, useStill } from './chrome'

/**
 * Frontier answers: GPQA Diamond, read from the research API's runs when the
 * page opens (lib/enso). Enso routed leads (lib/home `gpqa`): its best tier on
 * new questions set large against the best single model, the low-cost tier
 * said by its cost (lib/enso `said`), and the board of both question sets.
 * Without a routing, the router's board, and under its figure the cost line
 * every page draws (lib/enso `tile`) while it holds.
 */
export default function Frontier() {
  const reading = useEnso()
  const [ref, seen] = useSeen(0.25)
  const still = useStill()
  const e = reading.state === 'ready' ? reading.data : null
  const b = e ? gpqa(e) : null
  if (reading.state === 'unreachable' || (e && !b)) return null
  const n = e?.boards.find((x) => x.id === GPQA)?.rows[0]?.n
  const low = e?.routing ? said(e.routing).find((l) => l.key === 'cheap') : null
  const less = e && !e.routing ? tile(e) : null
  return (
    <Section
      id="frontier"
      label="GPQA.Diamond"
      title="Frontier answers."
      lede={`GPQA Diamond is ${n ? `${n} ` : ''}hard science questions, the same for every model. Each bar is a research run.`}
    >
      <View ref={ref}>
        <Hold height={440}>
          {b ? (
            <View display="grid" gridTemplateColumns="minmax(0, 1fr)" gap={24} items="center" $lg={{ gridTemplateColumns: 'minmax(0, 0.7fr) minmax(0, 1.3fr)', gap: 48 }}>
              <YStack gap={10} data-figure="enso">
                <Text fontSize="3.5rem" lineHeight="3.5rem" $md={{ fontSize: '5rem', lineHeight: '5rem' }} fontWeight="500" color="var(--foreground)" $platform-web={{ letterSpacing: '-0.03em', fontVariantNumeric: 'tabular-nums' }}>
                  {b.lead.figure}
                </Text>
                <Text render="h3" fontSize="$5" lineHeight="$5" fontWeight="600" color="var(--foreground)">
                  {b.lead.who} on {b.label}
                </Text>
                {b.lead.set ? (
                  <Text fontFamily="$mono" fontSize="$2" lineHeight="$2" color="var(--muted-foreground)">
                    {b.lead.set}
                  </Text>
                ) : null}
                <Text render="p" fontSize="$3" lineHeight="$4" color="var(--muted-foreground)">
                  {b.lead.note}
                </Text>
                {low ? (
                  <Text render="p" fontSize="$3" lineHeight="$4" color="var(--muted-foreground)" data-figure="low">
                    {low.text}.
                  </Text>
                ) : null}
                {less ? (
                  <Text render="p" fontSize="$3" lineHeight="$4" color="var(--muted-foreground)" data-figure="cheaper">
                    <Text render="strong" fontWeight="600" color="var(--foreground)">
                      {less.figure}
                    </Text>{' '}
                    than {RIVAL.name}: {less.note}
                  </Text>
                ) : null}
                <XStack gap={20} flexWrap="wrap">
                  <More href="/enso">Meet Enso →</More>
                  <More href="/benchmarks#enso">Every board →</More>
                </XStack>
              </YStack>
              <Board b={b} title="GPQA.Diamond" play={seen} still={still} slot="frontier" />
            </View>
          ) : (
            <Loading what="Enso's research runs" />
          )}
        </Hold>
      </View>
    </Section>
  )
}