🐛 Bug fixes on library screen

lib/ui/screens/library_screen.dart

@@ -362,17 +362,53 @@ class LibraryScreen extends HookConsumerWidget {
     return StreamBuilder<List<Track>>(
       stream: repo.watchAllTracks(),
       builder: (context, snapshot) {
-        if (snapshot.hasError) {
-          return Center(child: Text('Error: ${snapshot.error}'));
-        }
-        if (!snapshot.hasData) {
-          return const Center(child: CircularProgressIndicator());
-        }
+        // Calculate hintText
+        String hintText;
+        if (!snapshot.hasData || snapshot.hasError) {
+          hintText = 'Search tracks...';
+        } else {
           final tracks = snapshot.data!;
-        if (tracks.isEmpty) {
-          return const Center(child: Text('No tracks yet. Add some!'));
+          final totalTracks = tracks.length;
+          if (searchQuery.value.isEmpty) {
+            hintText = 'Search tracks... ($totalTracks tracks)';
+          } else {
+            final query = searchQuery.value.toLowerCase();
+            final filteredCount = tracks.where((track) {
+              if (track.title.toLowerCase().contains(query)) return true;
+              if (track.artist?.toLowerCase().contains(query) ?? false) {
+                return true;
+              }
+              if (track.album?.toLowerCase().contains(query) ?? false) {
+                return true;
+              }
+              if (track.lyrics != null) {
+                try {
+                  final lyricsData = LyricsData.fromJsonString(track.lyrics!);
+                  for (final line in lyricsData.lines) {
+                    if (line.text.toLowerCase().contains(query)) return true;
+                  }
+                } catch (e) {
+                  // Ignore parsing errors
+                }
+              }
+              return false;
+            }).length;
+            hintText =
+                'Search tracks... ($filteredCount of $totalTracks tracks)';
+          }
         }
 
+        // Determine main content
+        Widget mainContent;
+        if (snapshot.hasError) {
+          mainContent = Center(child: Text('Error: ${snapshot.error}'));
+        } else if (!snapshot.hasData) {
+          mainContent = const Center(child: CircularProgressIndicator());
+        } else {
+          final tracks = snapshot.data!;
+          if (tracks.isEmpty) {
+            mainContent = const Center(child: Text('No tracks yet. Add some!'));
+          } else {
             List<Track> filteredTracks;
             if (searchQuery.value.isEmpty) {
               filteredTracks = tracks;
@@ -401,12 +437,11 @@ class LibraryScreen extends HookConsumerWidget {
             }
 
             if (filteredTracks.isEmpty && searchQuery.value.isNotEmpty) {
-          return const Center(child: Text('No tracks match your search.'));
-        }
-
-        return Stack(
-          children: [
-            ListView.builder(
+              mainContent = const Center(
+                child: Text('No tracks match your search.'),
+              );
+            } else {
+              mainContent = ListView.builder(
                 padding: EdgeInsets.only(
                   bottom: 72 + MediaQuery.paddingOf(context).bottom,
                   top: 80,
@@ -458,11 +493,13 @@ class LibraryScreen extends HookConsumerWidget {
                             ),
                             actions: [
                               TextButton(
-                              onPressed: () => Navigator.of(context).pop(false),
+                                onPressed: () =>
+                                    Navigator.of(context).pop(false),
                                 child: const Text('Cancel'),
                               ),
                               TextButton(
-                              onPressed: () => Navigator.of(context).pop(true),
+                                onPressed: () =>
+                                    Navigator.of(context).pop(true),
                                 style: TextButton.styleFrom(
                                   foregroundColor: Colors.red,
                                 ),
@@ -497,7 +534,14 @@ class LibraryScreen extends HookConsumerWidget {
                     ),
                   );
                 },
-            ),
+              );
+            }
+          }
+        }
+
+        return Stack(
+          children: [
+            mainContent,
             Positioned(
               top: 0,
               left: 0,
@@ -506,7 +550,7 @@ class LibraryScreen extends HookConsumerWidget {
                 padding: EdgeInsets.symmetric(horizontal: 24, vertical: 16),
                 child: SearchBar(
                   onChanged: (value) => searchQuery.value = value,
-                  hintText: 'Search tracks...',
+                  hintText: hintText,
                   leading: const Icon(Icons.search),
                   padding: WidgetStatePropertyAll(
                     EdgeInsets.symmetric(horizontal: 24),