modscode / Gallery / cs-update
cs-update
Release notes for a pending cs update, once per launch, with 1 to install it in place; /cs-update reopens the pane.
What it does
- Draws a pane, toasts
- Adds /cs-update
- Hooks session.start
- Starts processes
Good points
- No network calls
- Small: 266 lines
- Written in TypeScript
- Handles errors
Code to start from
Two kinds: a starter modscode writes from the design above, and the lines of the mod's own code that draw it.
Starter (register.tsx)
import type { Register } from 'claude-code'
// Drawn like cs-update by cs (pane, toast), as modscode read it from the mod's code:
// https://modscode.com/gallery/hex-cs-update/
// 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 $.ui.open({ id: 'my-pane', title: "cs ‹pending› is available" })
on('ui.render', { component: 'Pane', requestId: 'my-pane' }, async ($, e) => {
const { Box, Text, Button } = $.ui.resolve(e)
const version = '…'
const line = '…'
const line2 = '…'
const line3 = '…'
const version2 = '…'
const line4 = '…'
const line5 = '…'
const line6 = '…'
const version3 = '…'
const line7 = '…'
const line8 = '…'
const line9 = '…'
return (
<Box flexDirection="column" paddingX={1}>
<Text bold>
{`cs ${version} is available`}
</Text>
<Box marginTop={1} flexDirection="column">
<Text dimColor>
{`updating… running cs -update ${version}`}
</Text>
<Text />
<Box>
<Button hotkey="1" plain label="update now" />
<Text dimColor>
{" Esc: later"}
</Text>
</Box>
<Text dimColor>
Installs in place; the new files take effect on your next launch.
</Text>
<Text dimColor>
Esc: close
</Text>
</Box>
<Box flexDirection="column" marginTop={1}>
<Text bold>
{version}
</Text>
<Box>
<Text>
{line}
</Text>
</Box>
<Box>
<Text>
{line2}
</Text>
</Box>
<Box>
<Text>
{line3}
</Text>
</Box>
</Box>
<Box flexDirection="column" marginTop={1}>
<Text bold>
{version2}
</Text>
<Box>
<Text>
{line4}
</Text>
</Box>
<Box>
<Text>
{line5}
</Text>
</Box>
<Box>
<Text>
{line6}
</Text>
</Box>
</Box>
<Box flexDirection="column" marginTop={1}>
<Text bold>
{version3}
</Text>
<Box>
<Text>
{line7}
</Text>
</Box>
<Box>
<Text>
{line8}
</Text>
</Box>
<Box>
<Text>
{line9}
</Text>
</Box>
</Box>
</Box>
)
})
on('session.start', async ($, e, next) => {
const message = '…'
await $.ui.toast(`cs-update: could not record the finished update: ${message}`)
return next(e)
})
}
The mod's own code
Shown under the mod's licence (MIT); its text is below. Keep the notice if you copy these lines.
mods/cs-update/hooks/register.tsx lines 101–148 · Pane
on('ui.render', { component: 'Pane' }, async ($, e, next) => {
if (e.requestId !== PANE) return next(e)
// The engine re-renders the open pane the instant it reloads this
// module, before session.start (which does not fire on a reload) gets a
// chance to restore it, so a pane asked to draw with no module state
// tries the marker itself before giving up to the ordinary gate.
if (version === undefined && !(await restoreDone($, await $.session.cwd()))) return next(e)
const { Box, Text, Button } = await $.ui.resolve(e)
// A lone pane draws no title of its own (the tab shows only with two or
// more), so the body opens with it. The pane does not scroll (measured
// live 2026-09-22 on Claude Code 2.1.278), and a long changelog span
// pushes anything below it off the bottom, so the keys sit right under
// the title, above the notes, where a long span can never hide them.
// Version headings take the session colour cs recorded, as the status
// bar's name does; a continuation line hangs under its bullet on the
// changelog's own indent, which parseSpan keeps in the line (as a bullet
// keeps its `- `), so the text is drawn verbatim and no margin doubles it.
return (
<Box flexDirection="column" paddingX={1}>
<Text bold>{`cs ${version} is available`}</Text>
<Box marginTop={1} flexDirection="column">
{phase === 'running' && <Text dimColor>{`updating… running cs -update ${version}`}</Text>}
{(phase === 'done' || phase === 'failed') && <Text>{outcome}</Text>}
{(phase === 'idle' || phase === 'failed') && (
<Box>
{/* a Button is a block: nested in a Text the engine refuses the whole tree (measured in the cs mod), so the keys stand in a Box */}
<Button key="cs-update-now" hotkey="1" plain label="update now" onPress={() => runUpdate($)} />
<Text dimColor>{' Esc: later'}</Text>
</Box>
)}
{phase === 'idle' && <Text dimColor>{'Installs in place; the new files take effect on your next launch.'}</Text>}
{phase === 'done' && <Text dimColor>{'Esc: close'}</Text>}
</Box>
{sections === undefined || sections.length === 0
? <Box marginTop={1}><Text>{`Release notes could not be fetched at launch; the update is ${version}.`}</Text></Box>
: sections.map(s => (
<Box key={`v-${s.version}`} flexDirection="column" marginTop={1}>
<Text bold color={accent}>{s.version}</Text>
{s.lines.map((line, j) => (
<Box key={`l-${s.version}-${j}`}>
<Text>{line}</Text>
</Box>
))}
</Box>
))}
</Box>
)
})Licence text (MIT)
MIT License Copyright (c) 2025 cs-tool contributors Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
What its code calls
runs programswrites filesenv vars
The design, read from code
Drawn from the mod's source at the commit read, not from a run: a list is drawn three times, a condition takes its first branch that draws in the desktop app, and a value only the run time knows is shown as a made-up sample (dotted underline) or left out. Colours and type are this site's.
What its code shows
Read from the source at commit 0d28619de59b on 2026-10-06. The first group decides whether a mod is listed; the rest is for you to weigh. A later commit is not read until the next crawl.
| Decides the listing: code you can check | |
|---|---|
| Entry read | Every module hooks/hooks.json names was read.mods/cs-update/hooks/register.tsx |
| Parses | Every file parses as TypeScript or JavaScript.1 files parsed |
| All its code is in the mod | Every import is a file of the mod or the engine's own module; no packages, no require.all its code is in the mod |
| Readable | No minified lines, no eval or new Function, no import of a computed path, no encoded blobs.no minified code, no eval, no encoded blobs |
| Calls in the open | Network and programs are reached as $.http.fetch and $.process.run in place, never passed around.every call outside goes through $ in the open |
| For you to weigh before installing | |
| Where it draws | The terminal, the desktop app, both, or nothing (hooks only: a guard or a prompt rewriter), as its code says. Shown, never a reason to leave a mod out.draws in the terminal and the desktop app, the same in both |
| Install line | Whether its repository's own .claude-plugin/marketplace.json lists it, so it installs from that marketplace with the lines on its page.its repository's .claude-plugin/marketplace.json does not list it: no install line to give |
| Programs on Windows | Whether every program it starts through $.process exists on Windows (tail, date, open, osascript, /usr/… do not).runs no program a Windows PC lacks |
| Network | Whether every fetch names its https host in the code.no network |
| Programs | Whether every program it starts is named in the code and is not a shell, an interpreter or a network tool.mods/cs-update/hooks/register.tsx:247 a program named at run time |
| Reads and sends | Whether it both reads files or environment variables and reaches the network.reaches no network |
| Keys in the source | Whether the source holds what looks like an API key or a private key.no keys in the source |
| Licence | An open licence (MIT, Apache-2.0, BSD, ISC, Unlicense, 0BSD, CC0) with its text lets modscode show its code; otherwise the code is linked.MIT |
This is a reading of the code text, not a security review: it does not run the mod, and it cannot see what a program the mod starts does. The check before installing is yours. How mods are chosen
Install it
Check it yourself before you install it. Mods run unsandboxed, with your permissions, and modscode does not vouch for what this code does. Read the code below (or run claude plugin validate . in its folder), weigh what it reaches, and install the commit you read.
Its repository's .claude-plugin/marketplace.json does not list it, so there is no install line to give. Read it as code, or follow its author's README.
Ask Claude about it
With the modscode connector added, Claude can read this design, what its code reaches and its code, and build on them. Ask it like this:
Read the modscode design "hex-cs-update" with its code and make me a pane like itSearch them from Claude: the MCP connector
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