feat: release managed service generation and contract diagnostics

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

@@ -0,0 +1,16 @@
+package demo
+
+import (
+	"context"
+	"example.com/managed/internal/types"
+	"time"
+)
+
+func (l *Logic) Slow(ctx context.Context) (*types.Receipt, error) {
+	select {
+	case <-ctx.Done():
+		return nil, ctx.Err()
+	case <-time.After(100 * time.Millisecond):
+		return &types.Receipt{Bytes: 1}, nil
+	}
+}