feat: Murattal player enhancements & prayer schedule auto-scroll

- Murattal: Spotify-style 5-button controls [Shuffle, Prev, Play, Next, Playlist]
- Murattal: Animated 7-bar equalizer visualization in player circle
- Murattal: Unsplash API background with frosted glass player overlay
- Murattal: Transparent AppBar with backdrop blur
- Murattal: Surah playlist bottom sheet with full 114 Surah list
- Murattal: Auto-play disabled on screen open, enabled on navigation
- Murattal: Shuffle mode for random Surah playback
- Murattal: Photographer attribution per Unsplash guidelines
- Dashboard: Auto-scroll prayer schedule to next active prayer
- Fix: setState lifecycle errors on Reading & Murattal screens
- Setup: flutter_dotenv, cached_network_image, url_launcher deps

lib/data/local/models/checklist_item.g.dart

@@ -0,0 +1,56 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'checklist_item.dart';
+
+// **************************************************************************
+// TypeAdapterGenerator
+// **************************************************************************
+
+class ChecklistItemAdapter extends TypeAdapter<ChecklistItem> {
+  @override
+  final int typeId = 1;
+
+  @override
+  ChecklistItem read(BinaryReader reader) {
+    final numOfFields = reader.readByte();
+    final fields = <int, dynamic>{
+      for (int i = 0; i < numOfFields; i++) reader.readByte(): reader.read(),
+    };
+    return ChecklistItem(
+      id: fields[0] as String,
+      title: fields[1] as String,
+      category: fields[2] as String,
+      subtitle: fields[3] as String?,
+      sortOrder: fields[4] as int,
+      isCustom: fields[5] as bool,
+    );
+  }
+
+  @override
+  void write(BinaryWriter writer, ChecklistItem obj) {
+    writer
+      ..writeByte(6)
+      ..writeByte(0)
+      ..write(obj.id)
+      ..writeByte(1)
+      ..write(obj.title)
+      ..writeByte(2)
+      ..write(obj.category)
+      ..writeByte(3)
+      ..write(obj.subtitle)
+      ..writeByte(4)
+      ..write(obj.sortOrder)
+      ..writeByte(5)
+      ..write(obj.isCustom);
+  }
+
+  @override
+  int get hashCode => typeId.hashCode;
+
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      other is ChecklistItemAdapter &&
+          runtimeType == other.runtimeType &&
+          typeId == other.typeId;
+}