fix: install in apps/desktop dir, add ldd debug for app-builder binary

.github/workflows/build-linux.yml

@@ -10,9 +10,7 @@ on:
 
 jobs:
   build-linux:
-    runs-on: ubuntu-latest
-    container:
-      image: electronuserland/builder:latest
+    runs-on: ubuntu-22.04
 
     steps:
       - name: Checkout
@@ -25,11 +23,21 @@ jobs:
 
       - name: Install Linux build tools
         run: |
-          apt-get update -qq
-          apt-get install -y -qq rpm fakeroot dpkg libarchive-tools
+          sudo apt-get update -qq
+          sudo apt-get install -y -qq rpm fakeroot dpkg libarchive-tools
 
-      - name: Install dependencies
+      - name: Install desktop app dependencies
         run: npm install --legacy-peer-deps
+        working-directory: apps/desktop
+
+      - name: Debug app-builder binary
+        run: |
+          BINARY="node_modules/app-builder-bin/linux/x64/app-builder"
+          echo "Binary exists:" && ls -lh $BINARY
+          echo "File type:" && file $BINARY
+          echo "Shared libs:" && ldd $BINARY || true
+          echo "Try execute:" && $BINARY --version || true
+        working-directory: apps/desktop
 
       - name: Vite build
         run: npx electron-vite build