Optimize CI/CD: Split build and publish, and improve E2E stability

- Rewrote binaries.yml to use a two-job structure (build and publish) to avoid race conditions during release uploads.
- Added a 15-second initialization sleep to ci/test-e2e.sh to ensure OnionShare URLs are fully generated before verification.

.github/workflows/binaries.yml

@@ -10,8 +10,6 @@ jobs:
   build:
     name: Build for ${{ matrix.os }}
     runs-on: ${{ matrix.os }}
-    permissions:
-      contents: write
     strategy:
       fail-fast: false
       matrix:
@@ -19,13 +17,10 @@ jobs:
         include:
           - os: ubuntu-latest
             artifact_name: voxvera-linux
-            asset_name: voxvera-linux
           - os: windows-latest
             artifact_name: voxvera-windows.exe
-            asset_name: voxvera-windows.exe
           - os: macos-latest
             artifact_name: voxvera-macos
-            asset_name: voxvera-macos
 
     steps:
       - name: Checkout code
@@ -105,16 +100,26 @@ jobs:
             voxvera/resources/bin/*.AppImage
             voxvera/resources/bin/*.flatpak
 
+  publish:
+    name: Create GitHub Release
+    needs: build
+    runs-on: ubuntu-latest
+    if: startsWith(github.ref, 'refs/tags/')
+    permissions:
+      contents: write
+    steps:
+      - name: Download all artifacts
+        uses: actions/download-artifact@v4
+        with:
+          path: artifacts
+          pattern: binaries-*
+          merge-multiple: true
+
       - name: Release
         uses: softprops/action-gh-release@v2
-        if: startsWith(github.ref, 'refs/tags/')
         with:
           files: |
-            dist/${{ matrix.artifact_name }}
-            voxvera/resources/bin/*.deb
-            voxvera/resources/bin/*.dmg
-            voxvera/resources/bin/*.AppImage
-            voxvera/resources/bin/*.flatpak
+            artifacts/**/*
           fail_on_unmatched_files: false
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}