feat: allow to write to notes

renderer/renderer.go

@@ -37,7 +37,7 @@ func RenderFile(rawJSON []byte) ([]byte, error) {
 	}
 
 	// 5) validate JSON against schema
-	if schemaName, ok := data["@schema"].(string); ok {
+	if schemaName, ok := data["_schema"].(string); ok {
 		if validationErr := validator.ValidateSchema(data, schemaName); validationErr != nil {
 			return nil, fmt.Errorf("failed to validate schema: %w", validationErr)
 		}