add check version

.woodpecker.yml

@@ -11,6 +11,22 @@ steps:
         GOARCH: amd64
       commands:
         - go test ./...
+  go-check-version:
+    image: golang:1.24
+    commands:
+      - echo "Checking project version..."
+      - VERSION_CURRENT=$(grep 'version =' main.go | cut -d'"' -f2)
+      - echo "Project version: $VERSION_CURRENT"
+      - PREV_COMMIT=$(git rev-parse HEAD^)
+      - VERSION_PREV=$(git show "$PREV_COMMIT:main.go" | grep 'version =' | cut -d'"' -f2)
+      - echo "Previous version: $VERSION_PREV"
+      - |
+        if [ "$VERSION_CURRENT" = "$VERSION_PREV" ]; then
+          echo "❌ The version has not changed. You must update it to merge to main."
+          exit 1
+        else
+          echo "✅ The version has changed correctly."
+        fi
   go-build:
     image: golang:1.24
     environment: