Fix panic and rule loss in list parsing/resolution (#3905)

* Fix panic on empty inclusion attribute, rule loss in selective inclusion and other bugs

* Exercise domain/list-name validators in tests

* Consolidate parsed list state into ParsedList and simplify inclusion parsing

Co-authored-by: Loyalsoldier <[email protected]>

---------

Co-authored-by: copilot-swe-agent[bot] <[email protected]>
Co-authored-by: Loyalsoldier <[email protected]>

cmd/datdump/main.go

@@ -143,20 +143,26 @@ func run() error {
 		exportListSlice = []string{"_all_"}
 	}
 
+	failedCount := 0
 	for _, eplistname := range exportListSlice {
 		if strings.EqualFold(eplistname, "_all_") {
 			if err := exportAll(filepath.Base(*inputData)+"_plain.yml", geoSites); err != nil {
 				fmt.Printf("[Error] failed to exportAll: %v\n", err)
+				failedCount++
 				continue
 			}
 		} else {
 			if err := exportSite(eplistname, geoSites); err != nil {
 				fmt.Printf("[Error] failed to exportSite: %v\n", err)
+				failedCount++
 				continue
 			}
 		}
 		fmt.Printf("list: %q has been exported successfully\n", eplistname)
 	}
+	if failedCount > 0 {
+		return fmt.Errorf("%d list(s) failed to be exported", failedCount)
+	}
 	return nil
 }