added node-gyp install

dockerfiles/ws-scrcpy.Dockerfile

@@ -1,10 +1,12 @@
-FROM node:25-bookworm
+FROM node:22-bookworm
 
 # System deps: ADB for device communication, build tools for native modules (node-pty)
 RUN apt-get update && \
     apt-get install -y android-tools-adb python3 make g++ git && \
     rm -rf /var/lib/apt/lists/*
 
+RUN npm install -g node-gyp
+
 # Clone and build ws-scrcpy
 WORKDIR /build
 RUN git clone --depth 1 https://github.com/NetrisTV/ws-scrcpy.git . && \