feat: enhance UI, branding assets, onboarding flow, and screen layouts

pubspec.yaml

@@ -40,6 +40,9 @@ dependencies:
   lucide_icons_flutter: ^3.1.20
   intl: ^0.20.3
   shared_preferences: ^2.5.5
+  flutter_svg: ^2.3.0
+  permission_handler: ^13.0.2
+  image_picker: ^1.2.3
 
 dev_dependencies:
   flutter_test:
@@ -63,10 +66,13 @@ flutter:
   # the material Icons class.
   uses-material-design: true
 
-  # To add assets to your application, add an assets section, like this:
-  # assets:
-  #   - images/a_dot_burr.jpeg
-  #   - images/a_dot_ham.jpeg
+  assets:
+    # The brand wordmark. Shipped as an alpha mask so a single file can be
+    # tinted white, yellow or blue wherever it appears.
+    - assets/images/krow_logo.png
+    # Onboarding artwork, lifted from the prototype's SVG with its theme
+    # variables resolved to the sage palette.
+    - assets/art/
 
   # An image asset can refer to one or more resolution-specific "variants", see
   # https://flutter.dev/to/resolution-aware-images