Refactor string splitting in check.go and fsurls.go to use strings.SplitSeq for improved performance. Enhance debug output for .gitignore and .slinkignore file handling, providing clearer logging during file checks and reads.

cmd/check.go

@@ -40,7 +40,7 @@ func init() {
 			// Parse targets: allow comma-separated chunks
 			var raw []string
 			for _, a := range args {
-				for _, part := range strings.Split(a, ",") {
+				for part := range strings.SplitSeq(a, ",") {
 					p := strings.TrimSpace(part)
 					if p != "" {
 						raw = append(raw, toSlash(p))
@@ -115,6 +115,7 @@ func init() {
 				}
 				merge(res, "", true)
 			}
+
 			// 2) Collect for each concrete root
 			for _, r := range roots {
 				clean := toSlash(filepath.Clean(r.path))