fix fragile hak packing

internal/topdata/topdata.go

@@ -12,7 +12,6 @@ import (
 	"strconv"
 	"strings"
 
-	"git.westgate.pw/ShadowsOverWestgate/sow-tools/internal/erf"
 	"git.westgate.pw/ShadowsOverWestgate/sow-tools/internal/project"
 )
 
@@ -2230,22 +2229,11 @@ func validateTopPackageAssets(sourceDir, dataDir string, report *ValidationRepor
 		if err != nil {
 			return err
 		}
-		if strings.HasPrefix(filepath.Base(path), ".") {
-			return nil
-		}
-		if strings.EqualFold(filepath.Ext(path), ".md") {
-			return nil // docs (AGENTS.md, README.md, ...) are never HAK resources
+		if skipTopPackageAsset(rel) {
+			return nil // not a NWN ResType (script, doc, _work dir, ...): never packed, never checked
 		}
 		base := strings.ToLower(strings.TrimSuffix(filepath.Base(path), filepath.Ext(path)))
 		ext := strings.TrimPrefix(strings.ToLower(filepath.Ext(path)), ".")
-		if _, ok := erf.HAKResourceTypeForExtension(ext); !ok {
-			report.Diagnostics = append(report.Diagnostics, Diagnostic{
-				Severity: SeverityError,
-				Path:     path,
-				Message:  fmt.Sprintf("unsupported topdata asset HAK resource extension %q", filepath.Ext(path)),
-			})
-			return nil
-		}
 		key := base + "." + ext
 		if previous, ok := seen[key]; ok {
 			report.Diagnostics = append(report.Diagnostics, Diagnostic{