Move D&D spell assets into extractor module

internal/modules/extract/dnd/spells/prompt.go

@@ -28,6 +28,22 @@ type promptMetadata struct {
 	Value string
 }
 
+var spellsPromptBundle = mustLoadPromptBundle()
+
+func mustLoadPromptBundle() *prompt.Bundle {
+	bundle, err := prompt.LoadBundle(embeddedAssets, prompt.Definition{
+		PromptID:     PromptID,
+		Version:      SchemaVersion,
+		EmbeddedPath: "assets/prompts",
+		SystemPath:   "assets/prompts/system.md",
+		UserPath:     "assets/prompts/user.md",
+	})
+	if err != nil {
+		panic(err)
+	}
+	return bundle
+}
+
 func buildPromptData(req contracts.ExtractionRequest) (promptData, error) {
 	if req.Source == nil {
 		return promptData{}, fmt.Errorf("dnd spells prompt: source must not be nil")
@@ -58,7 +74,7 @@ func renderPrompt(req contracts.ExtractionRequest) (system string, user string,
 	if err != nil {
 		return "", "", prompt.Metadata{}, err
 	}
-	system, user, metadata, err = prompt.RenderUserSystem(prompt.DNDSpellsPromptID, data)
+	system, user, metadata, err = spellsPromptBundle.RenderUserSystem(data)
 	if err != nil {
 		return "", "", prompt.Metadata{}, fmt.Errorf("dnd spells prompt: %w", err)
 	}