fix(ci): sync version from git tag to Tauri build artifacts

Tauri desktop artifacts were always named with hardcoded version 0.1.0
(from tauri.conf.json) instead of the actual release version. Extract
the version from the git tag and update tauri.conf.json and Cargo.toml
before building.

.github/workflows/tauri-release.yml

@@ -35,6 +35,35 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
+      - name: Extract version from tag
+        id: version
+        shell: bash
+        run: |
+          TAG="${GITHUB_REF_NAME}"
+          VERSION="${TAG#v}"
+          echo "version=$VERSION" >> "$GITHUB_OUTPUT"
+          echo "Resolved version: $VERSION"
+
+      - name: Sync version to tauri.conf.json and Cargo.toml
+        shell: bash
+        run: |
+          VERSION="${{ steps.version.outputs.version }}"
+          TAURI_CONF="apps/desktop/src-tauri/tauri.conf.json"
+          CARGO_TOML="apps/desktop/src-tauri/Cargo.toml"
+
+          node -e "
+            const fs = require('fs');
+            const conf = JSON.parse(fs.readFileSync('$TAURI_CONF', 'utf8'));
+            conf.version = '$VERSION';
+            fs.writeFileSync('$TAURI_CONF', JSON.stringify(conf, null, 2) + '\n');
+          "
+
+          sed -i.bak "s/^version = \".*\"/version = \"$VERSION\"/" "$CARGO_TOML"
+          rm -f "$CARGO_TOML.bak"
+
+          echo "Updated $TAURI_CONF version to $VERSION"
+          echo "Updated $CARGO_TOML version to $VERSION"
+
       - uses: pnpm/action-setup@v4
         with:
           version: 10