fix windows scripts

scripts/deploy.sh

@@ -0,0 +1,35 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# Build + flash the M5Stack Dashboard project via PlatformIO on Linux/macOS.
+#
+# Usage:
+#   ./scripts/deploy.sh                # auto-detect USB port
+#   ./scripts/deploy.sh /dev/ttyUSB0   # force a specific port
+#
+# This script intentionally does NOT open the serial monitor afterwards.
+# Uses the same local virtualenv as build.sh, created automatically if missing.
+
+cd "$(dirname "$0")/.."
+
+VENV_DIR=".venv-platformio"
+
+if [ ! -d "$VENV_DIR" ]; then
+    echo "Creating local virtualenv in $VENV_DIR ..."
+    python3 -m venv "$VENV_DIR"
+    "$VENV_DIR/bin/pip" install --upgrade pip
+    "$VENV_DIR/bin/pip" install platformio
+fi
+
+PIO="$VENV_DIR/bin/pio"
+
+if [ "$#" -ge 1 ]; then
+    PORT="$1"
+    echo "Using forced upload port: $PORT"
+    "$PIO" run --target upload --upload-port "$PORT"
+else
+    echo "Auto-detecting upload port..."
+    "$PIO" run --target upload
+fi
+
+echo "Build + flash complete."