lumen-cache

import type { Register } from 'claude-code'

// Drawn like lumen-cache by Hao Yan (pane, status, toast), as modscode read it from the mod's code:
// https://modscode.com/gallery/dark-sorceror-lumen-cache/
// Written by modscode from that reading, not copied from the mod: use it as you like.
// Each value below stands for one the mod works out at run time; put in your own.
export const register: Register = on => {
  // the pane: open it with $.ui.open({ id: 'my-pane', title: "Cache horizon" })
  on('ui.render', { component: 'Pane', requestId: 'my-pane' }, async ($, e) => {
    const { Box, Text } = $.ui.resolve(e)
    const pct = '…'
    const tok = '…'
    const tok2 = '…'
    const shapeText = '…'
    const sessionLines = '…'
    const sessionLines2 = '…'
    const sessionLines3 = '…'
    const spendText = '…'
    const requests = '…'
    const tok3 = '…'
    const tok4 = '…'
    const pct2 = '…'
    const tok5 = '…'
    const why = '…'
    const text = '…'
    const note = '…'
    const note2 = '…'
    const note3 = '…'
    const tok6 = '…'
    const pct3 = '…'
    const tok7 = '…'
    const why2 = '…'
    const text2 = '…'
    const note4 = '…'
    const note5 = '…'
    const note6 = '…'
    const tok8 = '…'
    const pct4 = '…'
    const tok9 = '…'
    const why3 = '…'
    const text3 = '…'
    const note7 = '…'
    const note8 = '…'
    const note9 = '…'
    return (
      <Box flexDirection="column" gap={1}>
        <Box flexDirection="column">
          <Text bold>
            Last request
          </Text>
          <Text color="yellow">
            ████████░░░░░░░░
          </Text>
          <Text>
            {pct}
            % reused
          </Text>
          <Text dimColor>
            {tok}
            {" held · "}
            {tok2}
            {" reprocessed"}
          </Text>
          <Text dimColor>
            {shapeText}
          </Text>
        </Box>
        <Box flexDirection="column">
          <Text bold>
            Session · main thread
          </Text>
          <Text>
            {sessionLines}
          </Text>
          <Text>
            {sessionLines2}
          </Text>
          <Text dimColor>
            {sessionLines3}
          </Text>
          <Text dimColor>
            {spendText}
          </Text>
        </Box>
        <Box flexDirection="column">
          <Text bold dimColor>
            Subagents
          </Text>
          <Text dimColor>
            {requests}
            {" requests · "}
            {tok3}
            {" reprocessed"}
          </Text>
          <Text dimColor>
            A fork pays for the whole prefix; not a signal.
          </Text>
        </Box>
        <Box flexDirection="column">
          <Text bold color="yellow">
            1 collapse
          </Text>
          <Box flexDirection="column">
            <Text color="yellow">
              {tok4}
              {" lost · "}
              {pct2}
              % of the prior context
            </Text>
            <Text dimColor>
              {tok5}
              {" reprocessed"}
            </Text>
            <Text dimColor>
              {why}
            </Text>
            <Text color="red">
              {text}
            </Text>
            <Text dimColor>
              {note}
            </Text>
            <Text dimColor>
              {note2}
            </Text>
            <Text dimColor>
              {note3}
            </Text>
          </Box>
          <Box flexDirection="column">
            <Text color="yellow">
              {tok6}
              {" lost · "}
              {pct3}
              % of the prior context
            </Text>
            <Text dimColor>
              {tok7}
              {" reprocessed"}
            </Text>
            <Text dimColor>
              {why2}
            </Text>
            <Text color="red">
              {text2}
            </Text>
            <Text dimColor>
              {note4}
            </Text>
            <Text dimColor>
              {note5}
            </Text>
            <Text dimColor>
              {note6}
            </Text>
          </Box>
          <Box flexDirection="column">
            <Text color="yellow">
              {tok8}
              {" lost · "}
              {pct4}
              % of the prior context
            </Text>
            <Text dimColor>
              {tok9}
              {" reprocessed"}
            </Text>
            <Text dimColor>
              {why3}
            </Text>
            <Text color="red">
              {text3}
            </Text>
            <Text dimColor>
              {note7}
            </Text>
            <Text dimColor>
              {note8}
            </Text>
            <Text dimColor>
              {note9}
            </Text>
          </Box>
        </Box>
        <Box flexDirection="column">
          <Text dimColor>
            cost = T - a, where a is what the cache held.
          </Text>
          <Text dimColor>
            Measured, not estimated.
          </Text>
        </Box>
      </Box>
    )
  })

  on('session.start', async ($, e, next) => {
    const message = '…'
    await $.ui.toast(`lumen-cache: could not save to the store (${message}). Measuring continues, but this session will not be kept.`)
    return next(e)
  })
}