add CI workflow for make check

.gitea/workflows/check.yml

@@ -0,0 +1,18 @@
+name: check
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+jobs:
+  check:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
+        with:
+          go-version-file: go.mod
+      - name: Install golangci-lint
+        run: go install github.com/golangci/golangci-lint/cmd/golangci-lint@latest
+      - name: Run checks
+        run: make check

Makefile

@@ -67,3 +67,12 @@ local:
 
 install: vaultik
 	cp ./vaultik $(HOME)/bin/
+
+# Run all checks (formatting, linting, tests) without modifying files
+check:
+	@echo "==> Checking formatting..."
+	@test -z "$$(gofmt -l .)" || (echo "Files not formatted:" && gofmt -l . && exit 1)
+	@echo "==> Running linter..."
+	golangci-lint run ./...
+	@echo "==> Running tests..."
+	go test -race -timeout 30s ./...