feat(core/tools): make nrf update script more universal and allow updating boardloader with it

diff --git a/core/tools/bin_update.py b/core/tools/bin_update.py
new file mode 100644
index 00000000..f8a58906
--- /dev/null
+++ b/core/tools/bin_update.py
@@ -0,0 +1,114 @@
+#!/usr/bin/env python3
+import sys
+import time
+from pathlib import Path
+
+import click
+import serial
+
+UPDATE_TYPES = {
+    "boardloader": {
+        "command": "boardloader-update",
+        "success_message": "Boardloader update complete.",
+    },
+    "nrf": {"command": "nrf-update", "success_message": "nRF update complete."},
+}
+
+
+def exit_interactive_mode(ser):
+    ser.write(("." + "\r\n").encode())
+    time.sleep(0.1)
+    ser.reset_input_buffer()
+
+
+def send_cmd(ser, cmd, expect_ok=True):
+    """Send a line, read response, and abort on non-OK."""
+    ser.write((cmd + "\r\n").encode())
+    # Give the device a moment to process
+    time.sleep(0.05)
+    resp = ser.readline().decode(errors="ignore").strip()
+    # Skip comments or empty lines
+    while resp.startswith("#") or len(resp) == 0:
+        resp = ser.readline().decode(errors="ignore").strip()
+    click.echo(f"> {cmd}")
+    click.echo(f"< {resp}")
+    if expect_ok and not resp.startswith("OK"):
+        click.echo("Error from device, aborting.", err=True)
+        sys.exit(1)
+    return resp
+
+
+def upload_binary(port, bin_path, chunk_size, update_type):
+    if update_type not in UPDATE_TYPES:
+        raise ValueError(
+            f"Invalid update type. Must be one of: {', '.join(UPDATE_TYPES.keys())}"
+        )
+
+    # Read binary file
+    data = Path(bin_path).read_bytes()
+    total = len(data)
+    click.echo(f"Read {total} bytes from {bin_path!r}")
+
+    update_config = UPDATE_TYPES[update_type]
+    command = update_config["command"]
+
+    # Open USB-VCP port using context manager
+    with serial.Serial(port, timeout=2) as ser:
+        time.sleep(0.1)
+        ser.reset_input_buffer()
+        ser.reset_output_buffer()
+
+        exit_interactive_mode(ser)
+
+        # 1) Begin transfer
+        send_cmd(ser, f"{command} begin")
+
+        # 2) Stream chunks
+        offset = 0
+        while offset < total:
+            chunk = data[offset : offset + chunk_size]
+            hexstr = chunk.hex()
+            send_cmd(ser, f"{command} chunk {hexstr}")
+            offset += len(chunk)
+            pct = offset * 100 // total
+            click.echo(f"  Uploaded {offset}/{total} bytes ({pct}%)")
+
+        # 3) Finish transfer
+        send_cmd(ser, f"{command} end")
+        click.echo(update_config["success_message"])
+
+
+@click.command(context_settings={"help_option_names": ["-h", "--help"]})
+@click.argument("port", metavar="<serial-port>")
+@click.argument(
+    "binary", metavar="<binary>", type=click.Path(exists=True, dir_okay=False)
+)
+@click.option(
+    "--chunk-size", "-c", default=512, show_default=True, help="Max bytes per chunk"
+)
+@click.option(
+    "--type",
+    "-t",
+    type=click.Choice(list(UPDATE_TYPES.keys()), case_sensitive=False),
+    required=True,
+    help="Type of update to perform",
+)
+def main(port, binary, chunk_size, type):
+    """
+    Upload a firmware image via USB-VCP CLI.
+
+    <serial-port> e.g. /dev/ttyUSB0 or COM3
+    <binary> path to the .bin file
+    """
+    try:
+        upload_binary(port, binary, chunk_size, type)
+    except serial.SerialException as e:
+        click.echo(f"Serial error: {e}", err=True)
+        sys.exit(1)
+    except KeyboardInterrupt:
+        click.echo("Interrupted by user.", err=True)
+        sys.exit(1)
+
+
+if __name__ == "__main__":
+    main()
diff --git a/core/tools/nrf_update.py b/core/tools/nrf_update.py
deleted file mode 100644
index 90f723e1..00000000
--- a/core/tools/nrf_update.py
+++ /dev/null
@@ -1,91 +0,0 @@
-#!/usr/bin/env python3
-import sys
-import time
-from pathlib import Path
-
-import click
-import serial
-
-
-def exit_interactive_mode(ser):
-    ser.write(("." + "\r\n").encode())
-    time.sleep(0.1)
-    ser.reset_input_buffer()
-
-
-def send_cmd(ser, cmd, expect_ok=True):
-    """Send a line, read response, and abort on non-OK."""
-    ser.write((cmd + "\r\n").encode())
-    # Give the device a moment to process
-    time.sleep(0.05)
-    resp = ser.readline().decode(errors="ignore").strip()
-    # Skip comments or empty lines
-    while resp.startswith("#") or len(resp) == 0:
-        resp = ser.readline().decode(errors="ignore").strip()
-    click.echo(f"> {cmd}")
-    click.echo(f"< {resp}")
-    if expect_ok and not resp.startswith("OK"):
-        click.echo("Error from device, aborting.", err=True)
-        sys.exit(1)
-    return resp
-
-
-def upload_nrf(port, bin_path, chunk_size):
-    # Read binary file
-    data = Path(bin_path).read_bytes()
-    total = len(data)
-    click.echo(f"Read {total} bytes from {bin_path!r}")
-
-    # Open USB-VCP port using context manager
-    with serial.Serial(port, timeout=2) as ser:
-        time.sleep(0.1)
-        ser.reset_input_buffer()
-        ser.reset_output_buffer()
-
-        exit_interactive_mode(ser)
-
-        # 1) Begin transfer
-        send_cmd(ser, "nrf-update begin")
-
-        # 2) Stream chunks
-        offset = 0
-        while offset < total:
-            chunk = data[offset : offset + chunk_size]
-            hexstr = chunk.hex()
-            send_cmd(ser, f"nrf-update chunk {hexstr}")
-            offset += len(chunk)
-            pct = offset * 100 // total
-            click.echo(f"  Uploaded {offset}/{total} bytes ({pct}%)")
-
-        # 3) Finish transfer
-        send_cmd(ser, "nrf-update end")
-        click.echo("nRF update complete.")
-
-
-@click.command(context_settings={"help_option_names": ["-h", "--help"]})
-@click.argument("port", metavar="<serial-port>")
-@click.argument(
-    "binary", metavar="<nrf-binary>", type=click.Path(exists=True, dir_okay=False)
-)
-@click.option(
-    "--chunk-size", "-c", default=512, show_default=True, help="Max bytes per chunk"
-)
-def main(port, binary, chunk_size):
-    """
-    Upload an nRF firmware image via USB-VCP CLI.
-
-    <serial-port> e.g. /dev/ttyUSB0 or COM3
-    <nrf-binary> path to the .bin file
-    """
-    try:
-        upload_nrf(port, binary, chunk_size)
-    except serial.SerialException as e:
-        click.echo(f"Serial error: {e}", err=True)
-        sys.exit(1)
-    except KeyboardInterrupt:
-        click.echo("Interrupted by user.", err=True)
-        sys.exit(1)
-
-
-if __name__ == "__main__":
-    main()