fix(ci): stabilize Linux Tauri AppImage bundling

.github/workflows/build-and-upload.yml

@@ -614,6 +614,7 @@ jobs:
           sudo apt-get install -y \
             build-essential \
             pkg-config \
+            xdg-utils \
             libgtk-3-dev \
             libglib2.0-dev \
             libwebkit2gtk-4.1-dev \
@@ -650,6 +651,8 @@ jobs:
 
       - name: Build Linux bundle (Tauri)
         working-directory: packages/tauri-app
+        env:
+          APPIMAGE_EXTRACT_AND_RUN: "1"
         run: npm exec -- tauri build
 
       - name: Package Tauri artifacts (Linux)
@@ -741,6 +744,7 @@ jobs:
           sudo apt-get install -y \
             build-essential \
             pkg-config \
+            xdg-utils \
             gcc-aarch64-linux-gnu \
             g++-aarch64-linux-gnu \
             libgtk-3-dev:arm64 \