improve CLI error semantics and soundcloud canonicalization

Auto-upgrade outdated configs on startup, add actionable SSL verification hints in rip error paths, and harden SoundCloud search/metadata with canonical URL handling and richer source IDs.

internal/urlparse/parse.go

@@ -49,7 +49,7 @@ func Parse(raw string) *ParsedURL {
 		return parseTidal(raw, parts)
 	case isDeezerHost(host):
 		return parseDeezer(raw, parts)
-	case host == "soundcloud.com":
+	case isSoundcloudHost(host):
 		return parseSoundcloud(raw, parts)
 	default:
 		return nil
@@ -129,7 +129,7 @@ func parseDeezer(raw string, parts []string) *ParsedURL {
 }
 
 func parseSoundcloud(raw string, parts []string) *ParsedURL {
-	if len(parts) < 2 {
+	if len(parts) < 1 {
 		return nil
 	}
 
@@ -172,6 +172,10 @@ func isDeezerHost(host string) bool {
 	return host == "deezer.com"
 }
 
+func isSoundcloudHost(host string) bool {
+	return host == "soundcloud.com" || strings.HasSuffix(host, ".soundcloud.com") || host == "on.soundcloud.com"
+}
+
 func isSupportedMedia(mediaType string) bool {
 	switch mediaType {
 	case "album", "track", "playlist", "artist", "label", "video":

internal/urlparse/parse_test.go

@@ -105,6 +105,8 @@ func TestSoundcloudURL(t *testing.T) {
 	inputs := []string{
 		"https://soundcloud.com/artist-name/track-name",
 		"https://soundcloud.com/artist-name/sets/playlist-name",
+		"https://m.soundcloud.com/artist-name/track-name",
+		"https://on.soundcloud.com/abcdef",
 	}
 	for _, input := range inputs {
 		result := Parse(input)