Migrate PromptKit reports to shared rendering

integrations/ckprompt/render_test.go

@@ -0,0 +1,13 @@
+package ckprompt
+
+import (
+	"bytes"
+
+	commandkit "go.maximumdirect.net/commandkit"
+)
+
+func renderTestYAML(value any) ([]byte, error) {
+	var output bytes.Buffer
+	err := commandkit.RenderReport(&output, commandkit.Report{Value: value}, commandkit.FormatYAML)
+	return output.Bytes(), err
+}