feat: release managed service generation and contract diagnostics

examples/managedService/internal/logic/demo/upload.go

@@ -0,0 +1,31 @@
+package demo
+
+import (
+	"context"
+	"example.com/managed/internal/types"
+	"git.yuntuo.hk/k2safe/go-omni/httpx"
+	"io"
+)
+
+func (l *Logic) Upload(ctx context.Context, body *httpx.Body) (*types.Receipt, error) {
+	var total int64
+	for {
+		part, err := body.Parts.NextPart()
+		if err == io.EOF {
+			break
+		}
+		if err != nil {
+			return nil, err
+		}
+		n, err := io.Copy(io.Discard, part)
+		closeErr := part.Close()
+		if err != nil {
+			return nil, err
+		}
+		if closeErr != nil {
+			return nil, closeErr
+		}
+		total += n
+	}
+	return &types.Receipt{Bytes: total}, nil
+}