chore(lyrics): rename first-party provider to Zarz-LRC

Update settings, About, provider descriptions, and lyric source credits. Preserve the stored provider ID and recognize both current and legacy credits as direct sources.

lib/l10n/arb/app_en.arb

@@ -749,7 +749,7 @@
   },
   "aboutLyricsWebsite": "Lyrics website",
   "@aboutLyricsWebsite": {
-    "description": "Link to the SpotiFLAC-Mobile Lyrics website for searching and saving word-timed lyrics"
+    "description": "Link to the Zarz-LRC website for searching and saving word-timed lyrics"
   },
   "aboutServiceStatus": "Service status",
   "@aboutServiceStatus": {
@@ -4259,9 +4259,9 @@
   "@lyricsProviderLyricsPlusDesc": {
     "description": "Description for LyricsPlus provider"
   },
-  "lyricsProviderSpotiflacLyricsDesc": "Word-by-word Apple Music lyrics from SpotiFLAC-Mobile",
+  "lyricsProviderSpotiflacLyricsDesc": "Word-by-word Apple Music lyrics from Zarz-LRC",
   "@lyricsProviderSpotiflacLyricsDesc": {
-    "description": "Description for the first-party SpotiFLAC-Mobile Lyrics provider"
+    "description": "Description for the first-party Zarz-LRC provider"
   },
   "lyricsProviderLrcRedDesc": "Word-by-word Apple Music lyrics, matched by recording",
   "@lyricsProviderLrcRedDesc": {

lib/l10n/arb/app_id.arb

@@ -4265,9 +4265,9 @@
   "@lyricsProviderLyricsPlusDesc": {
     "description": "Description for LyricsPlus provider"
   },
-  "lyricsProviderSpotiflacLyricsDesc": "Lirik Apple Music per kata dari SpotiFLAC-Mobile",
+  "lyricsProviderSpotiflacLyricsDesc": "Lirik Apple Music per kata dari Zarz-LRC",
   "@lyricsProviderSpotiflacLyricsDesc": {
-    "description": "Description for the first-party SpotiFLAC-Mobile Lyrics provider"
+    "description": "Description for the first-party Zarz-LRC provider"
   },
   "lyricsProviderLrcRedDesc": "Lirik Apple Music per kata, dicocokkan per rekaman",
   "@lyricsProviderLrcRedDesc": {

lib/providers/settings_provider.dart

@@ -317,7 +317,7 @@ class SettingsNotifier extends Notifier<AppSettings> {
           libraryQualityLabelMode: AppSettings.libraryQualityLabelBitDepthOnly,
         );
       }
-      // Migration 13: SpotiFLAC-Mobile Lyrics left Apple Music's Paxsenix
+      // Migration 13: Zarz-LRC left Apple Music's Paxsenix
       // fallback chain. Untouched defaults move to the new defaults; a custom
       // order keeps the former fallback right after Apple Music.
       if (lastMigration < 13) {

lib/screens/settings/about_page.dart

@@ -150,8 +150,8 @@ class AboutPage extends StatelessWidget {
                   ),
                   _AboutSettingsItem(
                     icon: Icons.lyrics_outlined,
-                    title: 'SpotiFLAC-Mobile Lyrics',
-                    subtitle: context.l10n.lyricsProviderAppleMusicDesc,
+                    title: 'Zarz-LRC',
+                    subtitle: context.l10n.lyricsProviderSpotiflacLyricsDesc,
                     onTap: () =>
                         _launchUrl('https://api.zarz.moe/apple-music/docs'),
                     showDivider: true,

lib/screens/settings/lyrics_provider_priority_page.dart

@@ -231,7 +231,7 @@ class _LyricsProviderPriorityPageState
         );
       case 'spotiflac_lyrics':
         return _LyricsProviderInfo(
-          name: 'SpotiFLAC-Mobile Lyrics',
+          name: 'Zarz-LRC',
           description: context.l10n.lyricsProviderSpotiflacLyricsDesc,
           icon: Icons.verified_outlined,
         );

lib/screens/settings/lyrics_settings_page.dart

@@ -198,7 +198,7 @@ class LyricsSettingsPage extends ConsumerWidget {
     'netease': 'Netease',
     'musixmatch': 'Musixmatch',
     'apple_music': 'Apple Music',
-    'spotiflac_lyrics': 'SpotiFLAC-Mobile Lyrics',
+    'spotiflac_lyrics': 'Zarz-LRC',
     'qqmusic': 'QQ Music',
     'spotify': 'Spotify',
     'deezer': 'Deezer',

rust_backend/crates/core/src/lyrics/config.rs

@@ -116,9 +116,9 @@ pub fn available_providers() -> Vec<AvailableProvider> {
         ),
         (
             "spotiflac_lyrics",
-            "SpotiFLAC-Mobile Lyrics",
+            "Zarz-LRC",
             false,
-            "Word-by-word Apple Music lyrics from SpotiFLAC-Mobile",
+            "Word-by-word Apple Music lyrics from Zarz-LRC",
         ),
         (
             "qqmusic",

rust_backend/crates/core/src/lyrics/lrc.rs

@@ -159,6 +159,8 @@ pub fn source_uses_proxy(source: &str) -> bool {
     !source.is_empty()
         && ![
             "lrclib",
+            "zarz-lrc",
+            // Retain credits embedded before the provider was renamed.
             "spotiflac-mobile lyrics",
             "kugou direct",
             "qq music direct",
@@ -257,6 +259,8 @@ mod tests {
     #[test]
     fn first_party_lyrics_do_not_credit_paxsenix() {
         for source in [
+            "Zarz-LRC",
+            "Zarz-LRC (cached)",
             "SpotiFLAC-Mobile Lyrics",
             "SpotiFLAC-Mobile Lyrics (cached)",
         ] {

rust_backend/crates/core/src/lyrics/payloads.rs

@@ -244,14 +244,9 @@ pub fn format_spotiflac_apple(
     multi_person: bool,
     word_timing: bool,
 ) -> Result<String, String> {
-    let payload: ApplePayload = json::decode(raw)
-        .map_err(|error| format!("invalid SpotiFLAC-Mobile Lyrics response: {error}"))?;
-    format_apple_payload(
-        &payload,
-        "SpotiFLAC-Mobile Lyrics",
-        multi_person,
-        word_timing,
-    )
+    let payload: ApplePayload =
+        json::decode(raw).map_err(|error| format!("invalid Zarz-LRC response: {error}"))?;
+    format_apple_payload(&payload, "Zarz-LRC", multi_person, word_timing)
 }
 
 /// Shared by every source that exposes Apple's own line structure, either as

rust_backend/crates/core/src/lyrics/payloads/tests.rs

@@ -28,8 +28,7 @@ fn spotiflac_apple_preserves_syllables_and_separate_background_groups() {
         let text = format_spotiflac_apple(&raw, true, words).unwrap();
         assert!(text.starts_with("[00:01.009]v1:"));
         assert_eq!(text.matches("[bg:").count(), 2);
-        let lyrics =
-            LyricsResponse::from_text(&text, "SpotiFLAC-Mobile Lyrics", "SpotiFLAC-Mobile Lyrics");
+        let lyrics = LyricsResponse::from_text(&text, "Zarz-LRC", "Zarz-LRC");
         assert_eq!(lyrics.lines().len(), 1);
         assert_eq!(lyrics.lines()[0].start_time_ms, 1009);
         if words {

rust_backend/crates/providers/src/lyrics/builtin/apple.rs

@@ -1,4 +1,4 @@
-//! Built-in Apple Music and SpotiFLAC lyrics providers.
+//! Built-in Apple Music and Zarz-LRC providers.
 
 use super::*;
 use crate::lyrics::http;
@@ -229,7 +229,7 @@ impl BuiltinLyricsClient {
             AppleLyricsSource::SpotiFlac => (
                 payloads::format_spotiflac_apple(raw, multi_person, word_timing)
                     .map_err(LyricsError::Unavailable)?,
-                "SpotiFLAC-Mobile Lyrics",
+                "Zarz-LRC",
             ),
         };
         let mut lyrics = from_text(&text, name, name)?;
@@ -252,18 +252,14 @@ mod tests {
 
     #[test]
     fn spotiflac_lyrics_credit_never_names_the_proxy() {
-        let lyrics = LyricsResponse::from_text(
-            "[00:01.00]Example",
-            "SpotiFLAC-Mobile Lyrics",
-            "SpotiFLAC-Mobile Lyrics",
-        );
+        let lyrics = LyricsResponse::from_text("[00:01.00]Example", "Zarz-LRC", "Zarz-LRC");
         let saved = spotiflac_core::lyrics::lrc::with_metadata(&lyrics, "Track", "Artist");
-        assert!(saved.contains("source: SpotiFLAC-Mobile Lyrics"));
+        assert!(saved.contains("source: Zarz-LRC"));
         assert!(!saved.contains("Paxsenix"));
     }
 
     #[test]
-    #[ignore = "requires live Apple catalog and SpotiFLAC-Mobile Lyrics access"]
+    #[ignore = "requires live Apple catalog and Zarz-LRC access"]
     fn live_spotiflac_lyrics_works_without_paxsenix() {
         let network = NetworkService::new().unwrap();
         let client = BuiltinLyricsClient::with_endpoints(
@@ -285,8 +281,8 @@ mod tests {
         let lyrics = client.spotiflac_lyrics(&request, &|| Ok(())).unwrap();
         assert!(lyrics.has_usable_text());
         assert!(lyrics.is_synced());
-        assert_eq!(lyrics.provider, "SpotiFLAC-Mobile Lyrics");
-        assert_eq!(lyrics.source, "SpotiFLAC-Mobile Lyrics");
+        assert_eq!(lyrics.provider, "Zarz-LRC");
+        assert_eq!(lyrics.source, "Zarz-LRC");
     }
 
     #[test]

rust_backend/crates/providers/src/lyrics/cache.rs

@@ -337,11 +337,8 @@ mod tests {
     fn current_snapshot_restores_supplementary_text() {
         let file = tempfile::NamedTempFile::new().unwrap();
         let now = UNIX_EPOCH + Duration::from_secs(100);
-        let mut lyrics = LyricsResponse::from_text(
-            "[00:01.009]Original",
-            "Apple Music",
-            "SpotiFLAC-Mobile Lyrics",
-        );
+        let mut lyrics =
+            LyricsResponse::from_text("[00:01.009]Original", "Apple Music", "Zarz-LRC");
         let line = &mut lyrics.lines.as_mut().unwrap()[0];
         line.romanization = Some("Romanized".into());
         line.romanization_words = Some(vec![spotiflac_core::lyrics::LyricsWord {