feat(install): add signal-cli to the standard install

It's the headless JSON-RPC backend for the in-Emacs Signal client, hand-installed until now. Device linking stays manual (interactive QR scan) — the install only guarantees the binary.

1 files changed, 5 insertions, 0 deletions

diff --git a/archsetup b/archsetup
index fad2fec..dbc0b16 100755
--- a/archsetup
+++ b/archsetup
@@ -2197,6 +2197,11 @@ supplemental_software() {
     fi
     pacman_install rclone                            # syncs files from gdrive, s3, dropbox, etc.
     pacman_install signal-desktop                    # secure messenger
+    # headless Signal JSON-RPC engine (in-Emacs client backend). JRE dependency
+    # satisfied by jdk-openjdk. Must stay in the regularly-updated AUR set —
+    # Signal-Server rejects clients older than ~3 months. Linking is per-machine
+    # and interactive (QR scan); archsetup only guarantees the binary.
+    aur_install signal-cli
     if [[ "$desktop_env" == "hyprland" ]]; then
         aur_install slack-desktop-wayland            # team messaging (native Wayland)
     else