fix(flatpak): use GNOME SDK 48 with manual Node/Rust install

- Switch to GNOME SDK 48 which includes webkit2gtk-4.1
- Install Node.js 20 LTS directly from tarball (no SDK extension needed)
- Install Rust via rustup for latest stable version
- Add flatpak build directories to .gitignore

.github/workflows/release-flatpak.yml

@@ -77,9 +77,8 @@ jobs:
       - name: Install runtimes
         run: |
           flatpak --user install -y --noninteractive flathub \
-            org.freedesktop.Platform//23.08 \
+            org.gnome.Platform//48 \
-            org.freedesktop.Sdk//23.08 \
+            org.gnome.Sdk//48
-            org.freedesktop.Sdk.Extension.node20//23.08
 
       - name: Build Flatpak
         env:

.gitignore

@@ -38,3 +38,8 @@ src-tauri/target/
 # Vite
 vite.config.js.timestamp-*
 vite.config.ts.timestamp-*
+
+# Flatpak build artifacts
+flatpak-build/
+flatpak-repo/
+.flatpak-builder/

packaging/flatpak/com.blitzkriegfc.qbz.yml

@@ -1,9 +1,7 @@
 app-id: com.blitzkriegfc.qbz
-runtime: org.freedesktop.Platform
+runtime: org.gnome.Platform
-runtime-version: '23.08'
+runtime-version: '48'
-sdk: org.freedesktop.Sdk
+sdk: org.gnome.Sdk
-sdk-extensions:
-  - org.freedesktop.Sdk.Extension.node20
 command: qbz
 finish-args:
   - --share=ipc
@@ -23,18 +21,24 @@ modules:
   - name: qbz
     buildsystem: simple
     build-options:
-      append-path: /usr/lib/sdk/node20/bin
       env:
         CARGO_HOME: /run/build/qbz/.cargo
         RUSTUP_HOME: /run/build/qbz/.rustup
+        npm_config_cache: /run/build/qbz/.npm
+        PATH: /run/build/qbz/node/bin:/run/build/qbz/.cargo/bin:/usr/bin:/bin
       build-args:
         - --share=network
     build-commands:
-      # Install rustup and latest stable Rust (for edition2024 support)
+      # Install Node.js 20 LTS from tarball
+      - curl -fsSL https://nodejs.org/dist/v20.19.2/node-v20.19.2-linux-x64.tar.xz | tar -xJ
+      - mv node-v20.19.2-linux-x64 node
+      # Install Rust via rustup
       - curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --default-toolchain stable --profile minimal
-      - . "$CARGO_HOME/env" && npm ci
+      # Build the application
-      - . "$CARGO_HOME/env" && npm run build
+      - npm ci
-      - . "$CARGO_HOME/env" && cd src-tauri && cargo build --release
+      - npm run build
+      - cd src-tauri && cargo build --release
+      # Install the binary and assets
       - install -Dm755 src-tauri/target/release/qbz-nix /app/bin/qbz
       - install -Dm644 packaging/flatpak/com.blitzkriegfc.qbz.desktop /app/share/applications/com.blitzkriegfc.qbz.desktop
       - install -Dm644 packaging/flatpak/com.blitzkriegfc.qbz.metainfo.xml /app/share/metainfo/com.blitzkriegfc.qbz.metainfo.xml