Route proposal modules through embedded PromptKit definitions

internal/framework/proposal_generation/variables.go

@@ -0,0 +1,27 @@
+package proposal_generation
+
+import (
+	"encoding/json"
+	"fmt"
+
+	"gitea.maximumdirect.net/eric/audita/internal/core/schema"
+	"gitea.maximumdirect.net/eric/audita/internal/framework/promptcontext"
+)
+
+// BuildProposalVariables preserves the domain inputs while PromptKit renders
+// the selected embedded proposal definition.
+func BuildProposalVariables(transcript *schema.Transcript, glossary *schema.Glossary, sectionIndex int, transcriptDescription string) (map[string]string, error) {
+	glossaryJSON, err := json.MarshalIndent(glossary, "", "  ")
+	if err != nil {
+		return nil, fmt.Errorf("marshal glossary prompt context: %w", err)
+	}
+	sectionJSON, err := promptcontext.MarshalTranscriptSectionJSON(transcript, sectionIndex)
+	if err != nil {
+		return nil, fmt.Errorf("marshal transcript prompt context: %w", err)
+	}
+	return map[string]string{
+		"TranscriptDescriptionBlock": promptcontext.TranscriptDescriptionBlock(transcriptDescription),
+		"GlossaryJSON":               string(glossaryJSON),
+		"SectionJSON":                string(sectionJSON),
+	}, nil
+}