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devdesk/libexec/devdesk-state-hook
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jaredandClaude Opus 5.5 03e4a49e78
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feat: session status at a glance, file & image drop, live Ops Alerts (0.4.0)
- devdesk-state-hook (Claude UserPromptSubmit/PostToolUse/Notification/Stop/
  SessionStart/SessionEnd) records whether each session is working, waiting on
  you or idle; --list carries it. The sidebar shows it, the header shows the
  current session's state, and a pulsing "needs you" chip jumps to sessions
  waiting for input. Session refresh no longer depends on the sidebar being open.
- `devdesk attach --upload SESSION FILE BYTES` receives a file as base64
  terminal input (raw mode, exact length, size-checked, sanitised name) into
  /var/lib/devdesk/uploads/<session>/. The UI uploads dropped or pasted files and
  pastes the path into Claude, which attaches images itself.
- `devdesk alerts` / `--alerts`: firing and pending Grafana alert rules with
  severity, instances, summary and a link. The panel's "Ask Claude" types an
  investigation prompt into the current session.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-07 19:26:06 -04:00

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#!/bin/bash
# Claude Code hook (wired in via claude-settings.json) that tracks what Claude is
# doing in each DevDesk session, for the sidebar's at-a-glance status:
# UserPromptSubmit, PostToolUse -> working
# Notification -> waiting (Claude needs input or a permission)
# Stop, SessionStart -> idle
# SessionEnd -> exited
# Fires on every tool call, so it stays tiny and only writes when the state changes.
input=$(cat)
outer=${TMUX:-}
[ "${outer%%,*}" = "${DEVDESK_SOCKET:-/run/devdesk/tmux.sock}" ] && [ -n "${TMUX_PANE:-}" ] || exit 0
session=$(tmux display-message -p -t "$TMUX_PANE" '#S' 2>/dev/null)
[[ $session =~ ^[A-Za-z0-9][A-Za-z0-9_-]{0,63}$ ]] || exit 0
IFS=$'\t' read -r event message < <(jq -rM '[.hook_event_name // "", (.message // "" | gsub("[\t\n]"; " "))] | @tsv' <<<"$input" 2>/dev/null)
case $event in
UserPromptSubmit | PostToolUse) state=working ;;
Notification) state=waiting ;;
Stop | SessionStart) state=idle ;;
SessionEnd) state=exited ;;
*) exit 0 ;;
esac
dir="${DEVDESK_STATE_DIR:-/var/lib/devdesk}/state"
file="$dir/$session.json"
# Unchanged state (the common case during tool runs): nothing to write.
if [ "$state" != waiting ] && [ -f "$file" ] && grep -q "\"state\":\"$state\"" "$file"; then
exit 0
fi
mkdir -p "$dir" 2>/dev/null || exit 0
tmp=$(mktemp "$dir/.$session.XXXXXX" 2>/dev/null) || exit 0
if jq -cMn --arg s "$state" --arg m "$message" --arg e "$event" \
'{state: $s, since: (now | floor), event: $e, message: (if $m == "" then null else $m end)}' >"$tmp"; then
mv -f "$tmp" "$file"
else
rm -f "$tmp"
fi
exit 0