Merge branch 'main' into claude/trusting-shannon-ff64dd

# Conflicts:
#	apps/app_seeds/lib/i18n/strings.g.dart

apps/app_seeds/test/data/inventory_scale_test.dart

@@ -0,0 +1,54 @@
+import 'package:commons_core/commons_core.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:tane/data/variety_repository.dart';
+import 'package:tane/db/database.dart';
+import 'package:tane/db/enums.dart';
+
+import '../support/test_support.dart';
+
+/// A real seed bank can hold thousands of accessions. This guards that the
+/// list query stays a handful of batched queries (not N+1) and returns in a
+/// human blink even at that scale — the pre-beta performance check.
+void main() {
+  late AppDatabase db;
+  late VarietyRepository repo;
+
+  setUp(() {
+    db = newTestDatabase();
+    repo = newTestRepository(db);
+  });
+  tearDown(() => db.close());
+
+  test('the inventory view loads 3000 varieties quickly', () async {
+    const count = 3000;
+    for (var i = 0; i < count; i++) {
+      final id = await repo.addQuickVariety(
+        label: 'Variety $i',
+        category: i.isEven ? 'Poaceae' : 'Fabaceae',
+      );
+      // Every few varieties, add a lot so the batched lot/type/share queries
+      // do real work.
+      if (i % 5 == 0) {
+        await repo.addLot(
+          varietyId: id,
+          harvestYear: 2020 + (i % 5),
+          quantity: const Quantity(kind: QuantityKind.handful),
+          offerStatus: i % 25 == 0 ? OfferStatus.shared : OfferStatus.private,
+        );
+      }
+    }
+
+    final sw = Stopwatch()..start();
+    final view = await repo.watchInventoryView().first;
+    sw.stop();
+
+    expect(view.items, hasLength(count));
+    // Generous ceiling for CI; typical local runs are well under 500ms. The
+    // point is to catch an accidental N+1 regression, not to micro-benchmark.
+    expect(
+      sw.elapsedMilliseconds,
+      lessThan(3000),
+      reason: 'inventory view took ${sw.elapsedMilliseconds}ms for $count rows',
+    );
+  });
+}