fixed error formatting

.github/workflows/build.yml

@@ -16,7 +16,7 @@ jobs:
     - name: Set up Go
       uses: actions/setup-go@v5
       with:
-        go-version: '1.24.3'
+        go-version: '1.21'
     
     - name: Install Fyne dependencies
       run: |
@@ -26,6 +26,12 @@ jobs:
     - name: Install Fyne CLI
       run: go install fyne.io/fyne/v2/cmd/fyne@latest
     
+    - name: Set environment variables
+      run: |
+        echo "CGO_ENABLED=1" >> $GITHUB_ENV
+        echo "GOOS=darwin" >> $GITHUB_ENV
+        echo "GOARCH=arm64" >> $GITHUB_ENV
+    
     - name: Cache Go modules
       uses: actions/cache@v4
       with:
@@ -40,6 +46,17 @@ jobs:
     - name: Verify dependencies
       run: go mod verify
     
+    - name: Check code formatting
+      run: |
+        if [ "$(gofmt -s -l . | wc -l)" -gt 0 ]; then
+          echo "Code is not properly formatted. Please run 'gofmt -s -w .'"
+          gofmt -s -l .
+          exit 1
+        fi
+    
+    - name: Run go vet
+      run: go vet ./...
+    
     - name: Run tests
       run: go test -v ./...