feat(screenshots): CC0/PD example photos for all visible varieties (+CREDITS)

apps/app_seeds/test/screenshots/fixtures/CREDITS.md

@@ -0,0 +1,13 @@
+# Example inventory photos — credits
+
+CC0 / public-domain images used as example variety photos in the screenshot
+harness only (to generate store/landing screenshots). They are **not** bundled
+in the app. Square-cropped and re-compressed from the originals below.
+
+| Fixture | Subject | Author | License | Source |
+|---|---|---|---|---|
+| maize.jpg | Red & white flint corn | vjrj (Tane project) | own photo | — |
+| buckwheat.jpg | Fagopyrum esculentum (buckwheat) | Daderot | CC0 | https://commons.wikimedia.org/wiki/File:Fagopyrum_esculentum_-_Osaka_Museum_of_Natural_History_-_DSC07737.JPG |
+| tomato.jpg | Ripe red tomatoes | Glenda Green | CC0 | https://commons.wikimedia.org/wiki/File:Ripe_Red_Tomatoes.jpg |
+| pepper.jpg | Capsicum annuum (Guajillo), dried | ZooFari | Public domain | https://commons.wikimedia.org/wiki/File:Capsicum_annuum_(Guajillo)_-_dried.jpg |
+| raspberry.jpg | Rubus idaeus (raspberry) | Vassil | Public domain | https://commons.wikimedia.org/wiki/File:Framboise_Margy_3.jpg |

apps/app_seeds/test/screenshots/screenshot_support.dart

@@ -168,13 +168,17 @@ Future<SeededInventory> seedShowcase(
     return id;
   }
 
-  // A real photo of red & white flint corn is the hero variety, so the detail
-  // shot shows a genuine seed photo. Loaded from the committed test fixture
-  // (CWD is the package root under `flutter test`).
-  final maizePhoto = await File(
-    'test/screenshots/fixtures/maize.jpg',
-  ).readAsBytes();
-  final maize = await add('Painted flint corn', 'Poaceae', photo: maizePhoto);
+  // Example photos are CC0 / public domain (see fixtures/CREDITS.md), except the
+  // maize which is vjrj's own; loaded from the committed fixtures (CWD is the
+  // package root under `flutter test`). The maize is the hero for the detail shot.
+  Future<Uint8List> photo(String name) =>
+      File('test/screenshots/fixtures/$name.jpg').readAsBytes();
+
+  final maize = await add(
+    'Painted flint corn',
+    'Poaceae',
+    photo: await photo('maize'),
+  );
   await repo.addLot(
     varietyId: maize,
     harvestYear: 2024,
@@ -190,12 +194,12 @@ Future<SeededInventory> seedShowcase(
     offerStatus: OfferStatus.exchange,
   );
 
-  // The rest sit in families that sort at/after Poaceae, so the maize (and its
-  // photo) stays the first, top-of-list group in the inventory shot.
-  await add('Common buckwheat', 'Polygonaceae');
-  await add('Alpine strawberry', 'Rosaceae');
-  await add('Cherry tomato', 'Solanaceae');
-  await add('Sweet pepper', 'Solanaceae');
+  // The rest sit in families that sort at/after Poaceae, so the maize stays the
+  // first, top-of-list group in the inventory shot. Each carries a CC0/PD photo.
+  await add('Common buckwheat', 'Polygonaceae', photo: await photo('buckwheat'));
+  await add('Wild raspberry', 'Rosaceae', photo: await photo('raspberry'));
+  await add('Slicing tomato', 'Solanaceae', photo: await photo('tomato'));
+  await add('Guajillo chilli', 'Solanaceae', photo: await photo('pepper'));
 
   return SeededInventory(maize);
 }