kicad10_auto_node: KiBot KiCad 10 image with Node.js for Gitea Actions

Base ghcr.io/inti-cmnb/kicad10_auto_full:1.9.1-1_k10.0.5 (KiBot 1.9.1,
KiCad 10.0.5) plus Node.js 24.22.0 LTS from nodejs.org (SHA-256 checked).
act_runner runs JavaScript actions inside the job container; the KiBot
images have no Node. build.sh builds, tests and pushes
git.b4l.co.th/b4l/kicad10_auto_node:latest and a versioned tag.

kicad10_auto_node/Dockerfile

@@ -0,0 +1,36 @@
+# KiBot's KiCad 10 image plus Node.js, for Gitea Actions.
+#
+# act_runner runs JavaScript actions (actions/checkout, upload-artifact) inside
+# the job container, and the KiBot images have no Node. The runner label is
+#   kicad10_auto:docker://git.b4l.co.th/b4l/kicad10_auto_node:latest
+# so a runner without the image pulls it, instead of every job installing Node.
+#
+# Build and push with ../build.sh (see ../README.md).
+
+ARG BASE=ghcr.io/inti-cmnb/kicad10_auto_full:1.9.1-1_k10.0.5_d13.2_b4.2.4LTS
+FROM ${BASE}
+
+ARG BASE
+ARG NODE_VERSION=24.22.0
+# Extra global npm packages, space separated (none by default).
+ARG NPM_GLOBAL=""
+
+# Node.js from nodejs.org, checked against the release's SHA-256 list.
+# The base image has no xz, so use the .tar.gz build.
+RUN set -eux; \
+    file="node-v${NODE_VERSION}-linux-x64.tar.gz"; \
+    cd /tmp; \
+    curl -fsSLO "https://nodejs.org/dist/v${NODE_VERSION}/${file}"; \
+    curl -fsSLO "https://nodejs.org/dist/v${NODE_VERSION}/SHASUMS256.txt"; \
+    grep " ${file}\$" SHASUMS256.txt | sha256sum -c -; \
+    tar -xzf "${file}" -C /usr/local --strip-components=1 --no-same-owner \
+        --exclude='*/CHANGELOG.md' --exclude='*/README.md' --exclude='*/LICENSE'; \
+    rm -f "${file}" SHASUMS256.txt; \
+    if [ -n "${NPM_GLOBAL}" ]; then npm install -g --no-fund --no-audit ${NPM_GLOBAL}; fi; \
+    npm cache clean --force; \
+    node --version; npm --version
+
+LABEL org.opencontainers.image.title="kicad10_auto_node" \
+      org.opencontainers.image.description="KiBot KiCad 10 image with Node.js for Gitea Actions" \
+      org.opencontainers.image.source="https://git.b4l.co.th/B4L/ci-images" \
+      org.opencontainers.image.base.name="${BASE}"