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#!/bin/bash
# agent-text — text Craig's phone over Signal, from any machine or agent runtime.
# The Signal half of the notification vocabulary: "text me" reaches the phone,
# "page me" is the desktop channel (notify). See protocols.org "Reaching Craig".
#
# Usage: agent-text <message...>
#
# The Signal identity (+15045173983) is registered in velox's signal-cli, and
# any daily driver linked as a device of that account (ratio, 2026-07-20) can
# send directly too. So the dispatch is: if the account is registered in the
# local signal-cli, send directly; otherwise ssh-relay the send to velox over
# the tailnet. A direct send from a linked device still lands when velox is
# down (the reason ratio was linked). The recipient is Craig's Signal account
# UUID; his phone number reads as unregistered in Signal's directory, so never
# target the number. Verified end to end 2026-07-13 (velox) and 2026-07-20
# (ratio, direct).
#
# This is the AWAY channel. At his desk, use the desktop channel instead:
# notify info "Title" "Message" --persist
# See protocols.org "Reaching Craig" for choosing between them.
#
# Known caveats (full runbook in rulesets docs/design/): a relay from a
# non-linked machine needs velox up on the tailnet, and each device holding the
# account wants a periodic `receive` (staleness warnings appear otherwise); the
# signal-receive timer handles that.
#
# Source: ~/code/rulesets/claude-templates/bin/agent-text
# Install: make -C ~/code/rulesets install
SIGNAL_ACCOUNT="+15045173983"
CRAIG_UUID="b1b5601e-6126-47f8-afaa-0a59f5188fde"
VELOX_HOST="velox.tailf3bb8c.ts.net"
if [ $# -eq 0 ]; then
echo "usage: agent-text <message...>" >&2
exit 2
fi
msg="$*"
# The account is local if this machine's signal-cli holds it: the registered
# primary (velox) or any linked device. Those send directly.
if signal-cli listAccounts 2>/dev/null | grep -q "$SIGNAL_ACCOUNT"; then
signal-cli -a "$SIGNAL_ACCOUNT" send -m "$msg" "$CRAIG_UUID"
rc=$?
else
# printf %q hardens the message for the remote shell.
ssh -o BatchMode=yes -o ConnectTimeout=10 -o StrictHostKeyChecking=accept-new \
"$VELOX_HOST" \
"signal-cli -a $SIGNAL_ACCOUNT send -m $(printf '%q' "$msg") $CRAIG_UUID"
rc=$?
fi
if [ "$rc" -ne 0 ]; then
echo "agent-text: phone message failed (velox down or unreachable?); fall back to the desktop channel: notify info 'Message' '<message>' --persist" >&2
fi
exit "$rc"
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