Keep laptop Google TTS changes out of Pi profile

pi/install/debian_laptop_profile.sh

@@ -69,14 +69,87 @@ install_debian_laptop_audio_support() {
 	install -m 0644 pi/asound.debian-laptop.conf /etc/asound.conf
 	log "Installed dedicated Debian laptop ALSA config to /etc/asound.conf"
 
-	install -D -o root -g root -m 0755 pi/bin/chromegtts-daemon.py /usr/local/bin/chromegtts-daemon
+	install -D -o root -g root -m 0755 pi/bin/chromegtts-daemon-laptop.py /usr/local/bin/chromegtts-daemon
-	log "Installed chromegtts daemon"
+	log "Installed laptop chromegtts daemon"
 
-	install_google_tts_assets
+	install_google_tts_assets_laptop
 
 	log "ALSA config updated; reboot recommended before testing laptop rover audio"
 }
 
+install_google_tts_assets_laptop() {
+	local asset_dir="/opt/roverd/googletts"
+	local voice_dir="${asset_dir}/en-us-x-multi-r30"
+	local dist_url="https://storage.googleapis.com/chromeos-localmirror/distfiles/googletts-26.5.tar.xz"
+	local tmp_dir
+	local lib_member=""
+	local member
+
+	if [[ -f "${asset_dir}/libchrometts.so" && -f "${voice_dir}/pipeline.pb" ]]; then
+		log "Google Chrome TTS assets already installed; skipping download"
+		return
+	fi
+
+	tmp_dir="$(mktemp -d)"
+	log "Downloading Google Chrome TTS assets for Debian laptop profile..."
+	if ! curl -L -o "${tmp_dir}/googletts-26.5.tar.xz" "$dist_url"; then
+		rm -rf "$tmp_dir"
+		log "WARNING: failed to download Google Chrome TTS assets; chromegtts will be unavailable"
+		return
+	fi
+
+	local -a candidate_libs=()
+	case "$(uname -m)" in
+		aarch64|arm64)
+			candidate_libs=(libchrometts_arm64.so)
+			;;
+		armv7l|armhf)
+			candidate_libs=(libchrometts_armv7.so)
+			;;
+		x86_64|amd64)
+			candidate_libs=(libchrometts_x86_64.so libchrometts_amd64.so libchrometts_x64.so libchrometts.so)
+			;;
+		i386|i686)
+			candidate_libs=(libchrometts_x86.so libchrometts_i386.so libchrometts.so)
+			;;
+		*)
+			log "WARNING: unsupported Chrome TTS architecture $(uname -m); skipping Google TTS assets"
+			rm -rf "$tmp_dir"
+			return
+			;;
+	esac
+
+	for member in "${candidate_libs[@]}"; do
+		if tar -tf "${tmp_dir}/googletts-26.5.tar.xz" "$member" >/dev/null 2>&1; then
+			lib_member="$member"
+			break
+		fi
+	done
+
+	if [[ -z "$lib_member" ]]; then
+		log "WARNING: no libchrometts library matching $(uname -m) found in Google TTS archive; chromegtts will be unavailable"
+		rm -rf "$tmp_dir"
+		return
+	fi
+
+	if ! tar -xf "${tmp_dir}/googletts-26.5.tar.xz" -C "$tmp_dir" en-us-x-multi.zvoice "$lib_member"; then
+		rm -rf "$tmp_dir"
+		log "WARNING: failed to unpack Google Chrome TTS assets; chromegtts will be unavailable"
+		return
+	fi
+
+	install -d -o root -g root -m 0755 "$asset_dir"
+	install -o root -g root -m 0644 "${tmp_dir}/${lib_member}" "${asset_dir}/libchrometts.so"
+	rm -rf "$voice_dir"
+	install -d -o root -g root -m 0755 "$voice_dir"
+	unzip -q "${tmp_dir}/en-us-x-multi.zvoice" -d "$voice_dir"
+	chown -R root:root "$asset_dir"
+	find "$asset_dir" -type d -exec chmod 0755 {} +
+	find "$asset_dir" -type f -exec chmod 0644 {} +
+	rm -rf "$tmp_dir"
+	log "Installed Google Chrome TTS assets to $asset_dir using $lib_member"
+}
+
 install_debian_laptop_profile() {
 	install_debian_laptop_deps
 	disable_debian_laptop_desktop_audio_stack