refactor: create separate BLoCs for each screen with comprehensive tests

- Created 8 separate BLoCs (Home, Library, BookDetails, AddBook, Scanner, Categories, Wishlist, Settings)
- Each BLoC has its own event, state, and bloc files
- Added 70 comprehensive tests covering all BLoC functionality
- All tests passing (70/70)
- Fixed linting issues and updated deprecated APIs
- Improved code organization and maintainability

bookshelf_flutter/macos/Podfile.lock

@@ -0,0 +1,36 @@
+PODS:
+  - file_selector_macos (0.0.1):
+    - FlutterMacOS
+  - FlutterMacOS (1.0.0)
+  - path_provider_foundation (0.0.1):
+    - Flutter
+    - FlutterMacOS
+  - sqflite_darwin (0.0.4):
+    - Flutter
+    - FlutterMacOS
+
+DEPENDENCIES:
+  - file_selector_macos (from `Flutter/ephemeral/.symlinks/plugins/file_selector_macos/macos`)
+  - FlutterMacOS (from `Flutter/ephemeral`)
+  - path_provider_foundation (from `Flutter/ephemeral/.symlinks/plugins/path_provider_foundation/darwin`)
+  - sqflite_darwin (from `Flutter/ephemeral/.symlinks/plugins/sqflite_darwin/darwin`)
+
+EXTERNAL SOURCES:
+  file_selector_macos:
+    :path: Flutter/ephemeral/.symlinks/plugins/file_selector_macos/macos
+  FlutterMacOS:
+    :path: Flutter/ephemeral
+  path_provider_foundation:
+    :path: Flutter/ephemeral/.symlinks/plugins/path_provider_foundation/darwin
+  sqflite_darwin:
+    :path: Flutter/ephemeral/.symlinks/plugins/sqflite_darwin/darwin
+
+SPEC CHECKSUMS:
+  file_selector_macos: 9e9e068e90ebee155097d00e89ae91edb2374db7
+  FlutterMacOS: d0db08ddef1a9af05a5ec4b724367152bb0500b1
+  path_provider_foundation: bb55f6dbba17d0dccd6737fe6f7f34fbd0376880
+  sqflite_darwin: 20b2a3a3b70e43edae938624ce550a3cbf66a3d0
+
+PODFILE CHECKSUM: 54d867c82ac51cbd61b565781b9fada492027009
+
+COCOAPODS: 1.16.2