`bash nanoclaw.sh` can now offer Signal as a channel choice, scan the
signal-cli link QR in the terminal, and wire up the first agent end to
end — mirroring the WhatsApp and Telegram flows.
Pieces:
- setup/add-signal.sh — non-interactive installer. Fetches
src/channels/signal.ts + signal.test.ts from the channels branch,
appends the self-registration import, installs qrcode (for the
setup-flow QR render), and builds. Idempotent and standalone-runnable.
- setup/signal-auth.ts — step runner. Spawns `signal-cli link --name
NanoClaw`, watches stdout for the `sgnl://linkdevice?…` (or legacy
`tsdevice://`) URL, emits SIGNAL_AUTH_QR with it. On exit 0, runs
`signal-cli -o json listAccounts` and reports the new account via
SIGNAL_AUTH STATUS=success. Pre-check via listAccounts returns
STATUS=skipped if an account is already linked.
- setup/channels/signal.ts — interactive driver. Probes for signal-cli
(offering `brew install signal-cli` on macOS or linking GitHub
releases on Linux if missing), runs add-signal.sh, renders each
SIGNAL_AUTH_QR block as a terminal QR inside a clack spinner,
persists SIGNAL_ACCOUNT to .env + data/env/env, restarts the
service, then wires the first agent via init-first-agent.
- setup/index.ts: register `signal-auth` in the STEPS map.
- setup/auto.ts: add 'signal' to ChannelChoice, import the driver,
add it to the channel picker (after WhatsApp, hint "needs signal-cli
installed"), branch the dispatch, and map channelDmLabel.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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