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community-plugins/claude-companion/hooks/pulse-emit
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Jarred RobinsonandGitHub 14215c8cd4 feat: add claude-companion (#33)
* Add lowcache/claude-companion plugin for PR

* claude-companion: address review feedback

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* Added tr & timeout to dependency list, and reduced thumbnail description

* added missing thumbnail.webp
2026-07-19 08:46:30 -04:00

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#!/bin/sh
# pulse-emit — generic, agent-agnostic emitter for the pulse protocol.
# The whole contract lives in PROTOCOL.md; this is the reference adapter for
# any agent that can run a shell command on its lifecycle hooks (gemini-cli,
# codex, opencode, a CI job). Claude Code uses pulse.py instead (it enriches
# events with transcript-derived token telemetry; this one just relays args).
#
# pulse-emit <event> [session] [model] [in] [out] [cacheCreate] [cacheRead]
#
# With a session id the event carries the space-free CSV payload
# "model,in,out,cacheCreate,cacheRead,session" (omitted fields -> ?/0).
# Without one it sends a bare event, which lands in the widget's shared
# "default" test slot — fine for a poke, wrong for a real integration.
#
# Env: PULSE_TARGET plugin dispatch id (default lowcache/claude-companion:pulse)
# PULSE_DRYRUN non-empty -> print the command instead of dispatching
#
# Fail-open by contract: exits 0 no matter what, output swallowed, dispatch
# capped at 3 s. A hook must never block or error the agent driving it.
TARGET="${PULSE_TARGET:-lowcache/claude-companion:pulse}"
event="${1:-idle}"
session="$2"
# CSV fields must stay space- and comma-free (payload is one positional token).
clean() { printf '%s' "$1" | tr -cd 'A-Za-z0-9._?-'; }
payload=""
if [ -n "$session" ]; then
payload="$(clean "${3:-?}"),$(clean "${4:-0}"),$(clean "${5:-0}"),$(clean "${6:-0}"),$(clean "${7:-0}"),$(clean "$session")"
fi
if [ -n "$PULSE_DRYRUN" ]; then
echo "noctalia msg plugin $TARGET all $event${payload:+ $payload}"
exit 0
fi
if command -v timeout >/dev/null 2>&1; then
timeout 3 noctalia msg plugin "$TARGET" all "$event" ${payload:+"$payload"} >/dev/null 2>&1
else
noctalia msg plugin "$TARGET" all "$event" ${payload:+"$payload"} >/dev/null 2>&1
fi
exit 0