Move LLM validators to PromptKit prompt variables

internal/framework/validators/llm_prompt_variables.go

@@ -0,0 +1,19 @@
+package validators
+
+import (
+	"encoding/json"
+	"fmt"
+
+	"gitea.maximumdirect.net/eric/audita/internal/framework/promptcontext"
+)
+
+func BuildValidationVariables(validationPayload []LLMValidationItem, transcriptDescription string) (map[string]string, error) {
+	payloadJSON, err := json.MarshalIndent(validationPayload, "", "  ")
+	if err != nil {
+		return nil, fmt.Errorf("marshal validation payload: %w", err)
+	}
+	return map[string]string{
+		"TranscriptDescriptionBlock": promptcontext.TranscriptDescriptionBlock(transcriptDescription),
+		"PayloadJSON":                string(payloadJSON),
+	}, nil
+}