Refactor project structure: enhance tests, improve server shutdown, expand CI checks, and update UI for better event presentation.

.gitea/workflows/ci.yml

@@ -14,6 +14,18 @@ jobs:
     steps:
       - name: Checkout code
         uses: actions/checkout@v6
+      - name: Check formatting
+        run: |
+          unformatted=$(gofmt -l .)
+          if [ -n "$unformatted" ]; then
+            echo "Unformatted files:"
+            echo "$unformatted"
+            exit 1
+          fi
+
+      - name: Run go vet
+        run: go vet ./...
+
       - name: Run tests with coverage
         run: |
           go test -v -coverprofile=coverage.out -coverpkg=./... ./...