build: add 'tools/switch_to.sh' to switch between different configs

diff --git a/tools/switch_to.sh b/tools/switch_to.sh
new file mode 100755
index 0000000..b617da3
--- /dev/null
+++ b/tools/switch_to.sh
@@ -0,0 +1,130 @@
+#!/usr/bin/env bash
+# Switch to developing for a given Jade variant
+set -e
+
+CONFIG=""
+ARCH=""
+DEVELOPMENT=""
+NORADIO=""
+CI=""
+LOG=""
+DEBUG=""
+JTAG=""
+
+function usage {
+    echo "THIS SCRIPT IS FOR JADE DEVELOPMENT ONLY";
+    echo "${0} jade|jade_v1_1|jade_v2 [--dev] [--noradio] [--ci] [--log|--log-cbor|--log-wifi] [--debug] [--jtag]";
+}
+
+function have_cmd()
+{
+    command -v "$1" >/dev/null 2>&1
+}
+
+function set_config()
+{
+    sed -i "/^$1=/d" sdkconfig.defaults # Remove any old value
+    if [ -n "$2" ]; then
+        echo "$1=$2" >>sdkconfig.defaults # Add the new value
+    fi
+}
+
+while true; do
+    case "$1" in
+        jade)       CONFIG=$1; ARCH="esp32"; shift ;;
+        jade_v1_1)  CONFIG=$1; ARCH="esp32"; shift ;;
+        jade_v2)    CONFIG=$1; ARCH="esp32s3"; shift ;;
+        --dev)      DEVELOPMENT="y"; shift ;;
+        --noradio)  NORADIO="_noradio"; shift ;;
+        --ci)       CI="1"; shift ;;
+        --log)      LOG=uart; shift ;;
+        --log-cbor) LOG=cbor; shift ;;
+        --log-wifi) LOG=wifi; shift ;;
+        --debug)    DEBUG=1; shift ;;
+        --jtag)     JTAG=1; shift ;;
+        -h | --help) usage;
+            exit 0 ;;
+        "") break ;;
+        *) echo "error: unknown option ${1}"; usage; exit 1
+    esac
+done
+
+if [ -z "${ARCH}" ]; then
+    usage
+    exit 1
+fi
+
+# TODO: standardize the naming convention for prod/dev configs
+if [ -n "${DEVELOPMENT}" ]; then
+    CONFIG_FILE="./configs/sdkconfig_dev_${CONFIG}${NORADIO}.defaults"
+else
+    CONFIG_FILE="./production/sdkconfig_${CONFIG}${NORADIO}_prod.defaults"
+fi
+if [ ! -f $CONFIG_FILE ]; then
+    echo "error: config file $CONFIG_FILE does not exist"
+    exit 1
+fi
+
+if ! have_cmd idf.py; then
+    echo "error: idf.py not found. Please install idf"
+    echo "(or run export.sh from the idf install) and try again"
+    exit 1
+fi
+
+idf.py clean && \
+    rm -rf sdkconfig build && \
+    cp $CONFIG_FILE sdkconfig.defaults
+
+echo "============================================"
+echo "using config file $CONFIG_FILE ..."
+if [ -n "$CI" ]; then
+    echo "updating config file for CI build ..."
+    set_config CONFIG_DEBUG_UNATTENDED_CI y
+    set_config CONFIG_HEAP_POISONING_COMPREHENSIVE y
+    set_config CONFIG_LOG_DEFAULT_LEVEL_NONE y
+fi
+if [ "$LOG" = "cbor" ]; then
+    echo "updating config file for CBOR logging ..."
+    set_config CONFIG_LOG_CBOR y
+    LOG="uart" # Enable UART logging below
+elif [ "$LOG" = "wifi" ]; then
+    echo "updating config file for WIFI logging ..."
+    DEFAULT_IP="192.168.1.100"
+    if have_cmd ip; then
+        DEFAULT_IP=$(ip addr show $(ip route | awk '/default/ { print $5 }') | grep "inet" | head -n 1 | awk '/inet/ {print $2}' | cut -d'/' -f1 | cut -d'.' -f1,2,3)
+        DEFAULT_IP="${DEFAULT_IP}.100"
+    fi
+    set_config CONFIG_LOG_WIFI y
+    read -p "Enter WIFI SSID: " SSID
+    set_config CONFIG_WIFI_SSID "\"$SSID\""
+    read -p "Enter WIFI Password: " PASSWORD
+    set_config CONFIG_WIFI_PASSWORD "\"$PASSWORD\""
+    read -p "Enter socket server IP [${DEFAULT_IP}]: " IP
+    set_config CONFIG_WIFI_LOGGER_IP "\"${IP:-${DEFAULT_IP}}\""
+    read -p "Enter socket server PORT [8888]: " PORT
+    set_config CONFIG_WIFI_LOGGER_PORT ${PORT:-8888}
+    LOG="uart" # Enable UART logging below
+fi
+if [ "$LOG" = "uart" ]; then
+    echo "updating config file for UART logging ..."
+    set_config CONFIG_LOG_DEFAULT_LEVEL_NONE n
+fi
+if [ -n "$DEBUG" ]; then
+    echo "updating config file for debug build ..."
+    set_config CONFIG_DEBUG_MODE y
+fi
+if [ -n "$JTAG" ]; then
+    if [[ "$CONFIG" != *"jade_v2"* ]]; then
+        echo "error: JTAG can only be enabled for jade_v2 variants"
+        exit 1
+    fi
+    echo "updating config file for JTAG support ..."
+    set_config CONFIG_JADE_USE_USB_JTAG_SERIAL y
+    set_config CONFIG_NEWLIB_STDIN_LINE_ENDING_LF y
+    set_config CONFIG_NEWLIB_STDOUT_LINE_ENDING_LF y
+fi
+echo "============================================"
+
+idf.py set-target $ARCH && \
+    idf.py reconfigure && \
+    echo "run idf.py all to build the firmware"