Enhance installation process, update service paths, and improve device classification

scripts/install.sh

@@ -0,0 +1,36 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+REPO_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+INSTALL_PREFIX="${INSTALL_PREFIX:-/usr/bin}"
+SERVICE_DIR="${HOME}/.config/systemd/user"
+
+# ── build ──────────────────────────────────────────────────────────────────────
+echo "building bread (release)..."
+cargo build --release --manifest-path "$REPO_ROOT/Cargo.toml"
+
+# ── install binaries ───────────────────────────────────────────────────────────
+echo "installing binaries to $INSTALL_PREFIX (requires sudo)..."
+sudo install -Dm755 "$REPO_ROOT/target/release/breadd" "$INSTALL_PREFIX/breadd"
+sudo install -Dm755 "$REPO_ROOT/target/release/bread"  "$INSTALL_PREFIX/bread"
+echo "  installed $INSTALL_PREFIX/breadd"
+echo "  installed $INSTALL_PREFIX/bread"
+
+# ── systemd user service ───────────────────────────────────────────────────────
+echo "installing systemd user service..."
+mkdir -p "$SERVICE_DIR"
+install -Dm644 "$REPO_ROOT/packaging/systemd/breadd.service" "$SERVICE_DIR/breadd.service"
+echo "  installed $SERVICE_DIR/breadd.service"
+
+systemctl --user daemon-reload
+systemctl --user enable --now breadd
+echo "  breadd enabled and started"
+
+# ── verify ─────────────────────────────────────────────────────────────────────
+sleep 0.5
+if bread ping &>/dev/null; then
+    echo ""
+    bread doctor
+else
+    echo "warning: daemon did not respond to ping — check: journalctl --user -u breadd -n 20"
+fi