Reuse prepared glossary data across stage sections

internal/framework/promptcontext/glossary.go

@@ -0,0 +1,32 @@
+package promptcontext
+
+import (
+	"encoding/json"
+	"fmt"
+
+	"gitea.maximumdirect.net/eric/audita/v3/internal/core/glossary"
+)
+
+// GlossaryVariables contains the glossary inputs shared by a stage's proposals.
+type GlossaryVariables struct {
+	ContextJSON    string
+	ProtectionJSON string
+}
+
+func PrepareGlossaryVariables(entries []glossary.Entry, terms []glossary.Term) (GlossaryVariables, error) {
+	contextJSON, err := json.MarshalIndent(entries, "", "  ")
+	if err != nil {
+		return GlossaryVariables{}, fmt.Errorf("marshal glossary prompt context: %w", err)
+	}
+	protected := make([]string, 0, len(terms))
+	for _, term := range terms {
+		if !term.Exempt {
+			protected = append(protected, term.Spelling)
+		}
+	}
+	protectionJSON, err := json.Marshal(protected)
+	if err != nil {
+		return GlossaryVariables{}, fmt.Errorf("marshal protected spellings: %w", err)
+	}
+	return GlossaryVariables{ContextJSON: string(contextJSON), ProtectionJSON: string(protectionJSON)}, nil
+}