Ensure wine binary exists for Windows NSIS cross-builds.

.gitea/workflows/build.yml

@@ -251,9 +251,23 @@ jobs:
       - name: Install Wine (NSIS cross-build)
         run: |
           set -euo pipefail
+          # electron-builder spawns `wine` by name; wine64 alone is not enough.
           sudo dpkg --add-architecture i386
           sudo apt-get update
-          sudo apt-get install -y --no-install-recommends wine64 wine32
+          sudo DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
+            wine \
+            wine64 \
+            wine32 \
+            || sudo DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends wine64
+
+          if ! command -v wine >/dev/null 2>&1; then
+            WINE64_BIN=$(command -v wine64)
+            echo "No wine binary; linking wine64 -> /usr/local/bin/wine (${WINE64_BIN})"
+            sudo ln -sf "${WINE64_BIN}" /usr/local/bin/wine
+          fi
+
+          command -v wine
+          wine --version
       
       - name: Install dependencies (root)
         run: npm ci --prefer-offline