diff --git a/linglong.yaml b/linglong.yaml
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+++ b/linglong.yaml
@@ -0,0 +1,92 @@
+version: "1"
+
+package:
+  id: net.sourceforge.simulide
+  name: simulide
+  version: 1.1.0.1912
+  kind: app
+  description: |
+    SimulIDE is a simple real time electronic circuit simulator intended for
+    hobbyist and student experimentation with simple general purpose electronic
+    circuits and PIC, AVR and Arduino microcontroller simulations.
+
+command:
+  - /opt/apps/net.sourceforge.simulide/files/bin/simulide.sh
+
+base: org.deepin.base/23.1.0
+runtime: org.deepin.runtime.dtk/23.1.0
+
+sources:
+  - kind: archive
+    url: https://share.cicd.getdeepin.org/ziggy-pool/linyaps-apps-packaging-CI/25M8.top500-init.stage-1.sysRepo/simulide_1.1.0.1912+dfsg.orig.tar.xz
+    digest: 7f65bf4b1a4b247f6ab5ecfa42324649002d90a8f01800d60949b77c63776798
+    name: simulide_orig
+  - kind: archive
+    url: https://share.cicd.getdeepin.org/ziggy-pool/linyaps-apps-packaging-CI/25M8.top500-init.stage-1.sysRepo/simulide_1.1.0.1912+dfsg-4.debian.tar.xz
+    digest: 8fb65d7361562e26069745a6cee2a4b94fa47aa1e577d2317fe3f782b706e7ad
+    name: simulide_debian
+
+build: |
+  set -e
+
+  # fix dead apt source baked into base 23.1.0
+  cat > /etc/apt/sources.list <<'APT'
+  deb [trusted=yes] https://ci.deepin.com/repo/deepin/deepin-community/stable beige main
+  APT
+  echo 'APT::Sandbox::User "root";' > /etc/apt/apt.conf.d/99linglong-builder.conf
+  apt-get update -y
+
+  # build-time tooling and Qt5 development headers
+  DEBIAN_FRONTEND=noninteractive apt-get install -y \
+      build-essential patch bzr \
+      qtbase5-dev libqt5serialport5-dev libqt5svg5-dev \
+      qtmultimedia5-dev qttools5-dev-tools libglib2.0-dev
+
+  SRC=/project/linglong/sources/simulide_orig/simulide-1.1.0.1912+dfsg
+  DEB=/project/linglong/sources/simulide_debian/debian
+
+  cd $SRC
+
+  # apply the Debian patch series (build & fonts fixes)
+  for p in $(cat $DEB/patches/series); do
+    patch -p1 < $DEB/patches/$p
+  done
+
+  # build with qmake; package version encodes the upstream sim-revision
+  export version="1.1.0"
+  export revision="1912"
+  export timestamp=$(date -u +%s)
+
+  cd build_XX
+  export QT_SELECT=qt5
+  qmake -makefile PREFIX=${PREFIX}
+  make -j$(nproc)
+  make install
+
+  # bundle Qt5 serialport runtime library (not provided by dtk runtime)
+  mkdir -p $PREFIX/lib/${TRIPLET}
+  cp -a /usr/lib/${TRIPLET}/libQt5SerialPort.so* $PREFIX/lib/${TRIPLET}/ 2>/dev/null || true
+
+  # bundle Qt5 multimedia plugins (gstreamer backend etc.)
+  mkdir -p $PREFIX/lib/${TRIPLET}/qt5/plugins
+  cp -a /usr/lib/${TRIPLET}/qt5/plugins/multimedia $PREFIX/lib/${TRIPLET}/qt5/plugins/ 2>/dev/null || true
+  cp -a /usr/lib/${TRIPLET}/qt5/plugins/mediaservice $PREFIX/lib/${TRIPLET}/qt5/plugins/ 2>/dev/null || true
+
+  # create a launch wrapper that forces software OpenGL rendering
+  # (avoids zink/vulkan driver failures in headless test environments)
+  cat > $PREFIX/bin/simulide.sh <<'EOF'
+  #!/bin/bash
+  export LIBGL_ALWAYS_SOFTWARE=1
+  export GALLIUM_DRIVER=llvmpipe
+  export QT_OPENGL=software
+  exec /opt/apps/net.sourceforge.simulide/files/bin/simulide "$@"
+  EOF
+  chmod +x $PREFIX/bin/simulide.sh
+
+  # install the desktop entry and icon using the app id
+  mkdir -p $PREFIX/share/applications $PREFIX/share/icons/hicolor/48x48/apps
+  install -m 644 $DEB/net.launchpad.code.simulide.desktop $PREFIX/share/applications/net.sourceforge.simulide.desktop
+  install -m 644 ../resources/icons/simulide.png $PREFIX/share/icons/hicolor/48x48/apps/simulide.png
+
+  echo "=== installed files ==="
+  find $PREFIX -maxdepth 6 \( -type f -o -type l \) | sort