apps/app_seeds/android/app/build.gradle.kts

@@ -73,17 +73,6 @@ android {
             } else {
                 signingConfigs.getByName("debug")
             }
-            // R8: shrink + optimize + obfuscate the Java/Kotlin bytecode and strip
-            // unused resources — Play's "app optimization" recommendation (smaller
-            // download, less memory). Native .so libs are untouched, so this does
-            // not change device/ABI compatibility. Keep rules for reflection/JNI
-            // heavy deps (OCR, SQLCipher, notifications) live in proguard-rules.pro.
-            isMinifyEnabled = true
-            isShrinkResources = true
-            proguardFiles(
-                getDefaultProguardFile("proguard-android-optimize.txt"),
-                "proguard-rules.pro",
-            )
         }
     }
 }

apps/app_seeds/android/app/proguard-rules.pro

@@ -1,40 +0,0 @@
-# R8/ProGuard keep rules for Tane (org.comunes.tane).
-#
-# R8 is enabled for release builds (see build.gradle.kts). It shrinks/optimizes
-# the Java/Kotlin bytecode and can break code reached only via reflection or JNI
-# — the native plugins below load their Java classes from C, so R8 can't see the
-# references and would strip/rename them. Keep them explicitly. Start
-# conservative; trim only after a release smoke test proves a class is unused.
-
-# --- Flutter engine & embedding (defensive; usually handled by the plugin) ---
--keep class io.flutter.** { *; }
--keep class io.flutter.plugins.** { *; }
--dontwarn io.flutter.embedding.**
-
-# --- On-device OCR: tesseract4android (JNI) ---
-# libtesseract/libleptonica call back into these Java classes by name.
--keep class com.googlecode.tesseract.android.** { *; }
--keep class com.googlecode.leptonica.android.** { *; }
--keep class io.paratoner.flutter_tesseract_ocr.** { *; }
-
-# --- QR scanning: zxing_barcode_scanner (pure ZXing, platform view) ---
--keep class com.shirisharyal.zxing_barcode_scanner.** { *; }
-
-# --- Encrypted DB: SQLCipher / sqlite3 native loader ---
-# sqlite3 is reached over FFI (dlopen), but keep the loader plugin classes.
--keep class eu.simonbinder.sqlite3_flutter_libs.** { *; }
--keep class net.zetetic.** { *; }
--dontwarn net.zetetic.**
-
-# --- Local notifications ---
-# Published keep rules for flutter_local_notifications' Gson-serialized models.
--keep class com.dexterous.** { *; }
--keep class com.google.gson.** { *; }
--keep class * extends com.google.gson.TypeAdapter
--keepattributes Signature
--keepattributes *Annotation*
--dontwarn com.google.errorprone.annotations.**
-
-# --- Core library desugaring ---
--dontwarn java.lang.invoke.**
--dontwarn build.IgnoreJava8API

apps/app_seeds/android/app/src/main/AndroidManifest.xml

@@ -5,19 +5,6 @@
     <!-- Foreground local notifications for incoming private messages (Android 13+
          asks the user at runtime). -->
     <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
-    <!-- The CAMERA permission (pulled in by zxing_barcode_scanner for QR scanning
-         and used by image_picker) makes Android implicitly require the camera
-         hardware features, which would exclude camera-less devices — Chromebooks,
-         Android Automotive, many TVs — from Play. The app degrades gracefully
-         without a camera (gallery import still works; the scan button hides), so
-         declare these optional to keep those devices supported. Same for the
-         location features implied by ACCESS_COARSE_LOCATION. -->
-    <uses-feature android:name="android.hardware.camera" android:required="false" />
-    <uses-feature android:name="android.hardware.camera.any" android:required="false" />
-    <uses-feature android:name="android.hardware.camera.autofocus" android:required="false" />
-    <uses-feature android:name="android.hardware.location" android:required="false" />
-    <uses-feature android:name="android.hardware.location.network" android:required="false" />
-    <uses-feature android:name="android.hardware.location.gps" android:required="false" />
     <application
         android:label="Tane"
         android:name="${applicationName}"

apps/app_seeds/android/app/src/main/kotlin/org/comunes/tane/MainActivity.kt

@@ -33,7 +33,6 @@ class MainActivity : FlutterActivity() {
             .setMethodCallHandler { call, result ->
                 when (call.method) {
                     "getCoarseLatLon" -> getCoarseLatLon(result)
-                    "hasCamera" -> result.success(hasCameraHardware())
                     else -> result.notImplemented()
                 }
             }
@@ -73,15 +72,6 @@ class MainActivity : FlutterActivity() {
         }
     }
 
-    /**
-     * Whether this device has any camera. Camera-less devices (Chromebooks,
-     * Android Automotive, many TVs) are supported — see AndroidManifest's
-     * uses-feature required="false" — so the QR scan and camera-capture UI
-     * hide themselves when this is false instead of offering broken actions.
-     */
-    private fun hasCameraHardware(): Boolean =
-        packageManager.hasSystemFeature(PackageManager.FEATURE_CAMERA_ANY)
-
     private fun hasLocationPermission(): Boolean =
         ContextCompat.checkSelfPermission(
             this,

apps/app_seeds/fastlane/Fastfile

@@ -16,24 +16,13 @@ default_platform(:android)
 AAB_PATH = "build/app/outputs/bundle/release/app-release.aab".freeze
 
 platform :android do
-  desc "Upload the signed AAB + store listing to Google Play (production, 100%)"
+  desc "Upload the signed AAB + store listing to Google Play (internal track)"
   lane :deploy_play do
-    supply(
-      track: "production",
-      aab: AAB_PATH,
-      release_status: "completed", # publish to 100% of users (subject to review)
-      skip_upload_apk: true,       # we ship the AAB, not a raw APK
-      skip_upload_changelogs: false,
-    )
-  end
-
-  desc "Upload the signed AAB to the internal test track (manual QA safety net)"
-  lane :deploy_internal do
     supply(
       track: "internal",
       aab: AAB_PATH,
       release_status: "completed", # internal testing has no review delay
-      skip_upload_apk: true,
+      skip_upload_apk: true,       # we ship the AAB, not a raw APK
       skip_upload_changelogs: false,
     )
   end

apps/app_seeds/lib/bootstrap.dart

@@ -9,7 +9,6 @@ import 'data/variety_repository.dart';
 import 'di/injector.dart';
 import 'i18n/strings.g.dart';
 import 'services/auto_backup_service.dart';
-import 'services/camera_availability.dart';
 import 'services/coarse_location.dart';
 import 'services/inbox_service.dart';
 import 'services/locale_store.dart';
@@ -51,11 +50,6 @@ class _BootstrapState extends State<Bootstrap> {
   Future<TaneApp> _boot() async {
     await configureDependencies();
 
-    // Detect camera presence once, before the home screen builds, so camera-less
-    // devices (Chromebooks, Automotive, some TVs) hide the QR scan / camera UI
-    // instead of offering broken actions. Non-Android platforms keep the default.
-    await initCameraAvailability();
-
     // The saved language lives in the keystore, so it can only be applied once
     // DI is up. Until now the splash showed in the device language (it has no
     // text), so there is no visible flip.

apps/app_seeds/lib/data/variety_repository.dart

@@ -1,5 +1,3 @@
-import 'dart:async';
-
 import 'package:async/async.dart';
 import 'package:commons_core/commons_core.dart';
 import 'package:drift/drift.dart';
@@ -654,27 +652,13 @@ class VarietyRepository {
     required this.idGen,
     required this.nodeId,
     int Function()? nowMillis,
-    Uint8List? Function(Uint8List)? thumbnailBuilder,
   }) : _now = nowMillis ?? (() => DateTime.now().millisecondsSinceEpoch),
-       _thumbnailBuilder = thumbnailBuilder,
        _clock = Hlc.zero(nodeId);
 
   final AppDatabase _db;
   final IdGen idGen;
   final String nodeId;
   final int Function() _now;
-
-  /// Builds the small list-avatar thumbnail from a full photo. Injected (from
-  /// `services/offer_thumbnail.dart` in production) so the data layer stays free
-  /// of the image codec and unit tests run without decoding. Null → no
-  /// thumbnail is stored and the list falls back to the full photo.
-  final Uint8List? Function(Uint8List)? _thumbnailBuilder;
-
-  /// The thumbnail for [photoBytes], or null when no builder is wired or the
-  /// bytes aren't decodable. Wrapped in a Value for direct use in a companion.
-  Value<Uint8List?> _thumbValue(Uint8List photoBytes) =>
-      Value(_thumbnailBuilder?.call(photoBytes));
-
   Hlc _clock;
 
   /// Emits the non-deleted inventory, ordered by category then label, each with
@@ -712,11 +696,7 @@ class VarietyRepository {
       _db.select(_db.species).watch().map((_) {}),
       _db.select(_db.lots).watch().map((_) {}),
     ]);
-    // Coalesce bursts: a single quick-add or handover touches several of these
-    // tables at once, and each would otherwise re-run the full (7-query) load.
-    // Debouncing collapses the burst into one reload — decisive with a large
-    // inventory.
-    return _debounce(triggers, const Duration(milliseconds: 250)).asyncMap(
+    return triggers.asyncMap(
       (_) async => (items: await _loadInventory(), drafts: await _loadDrafts()),
     );
   }
@@ -949,10 +929,7 @@ class VarietyRepository {
     return rows.map((l) => l.varietyId).toSet();
   }
 
-  /// Loads the first photo's small [thumbnail] for each of [varietyIds] (one
-  /// query) — for the inventory-list avatar. Falls back to the full-resolution
-  /// [bytes] only when a thumbnail hasn't been generated yet (older rows,
-  /// pending lazy backfill), so the list stays correct meanwhile.
+  /// Loads the first photo BLOB for each of [varietyIds] (one query).
   Future<Map<String, Uint8List>> _firstPhotosFor(
     List<String> varietyIds,
   ) async {
@@ -973,69 +950,17 @@ class VarietyRepository {
             .get();
     final byVariety = <String, Uint8List>{};
     for (final row in rows) {
-      final image = row.thumbnail ?? row.bytes;
-      if (image != null) byVariety.putIfAbsent(row.parentId, () => image);
+      final bytes = row.bytes;
+      if (bytes != null) byVariety.putIfAbsent(row.parentId, () => bytes);
     }
     return byVariety;
   }
 
-  /// Generates the missing list thumbnails for photos that predate the
-  /// thumbnail column (or arrived via sync/backup restore, which never carry
-  /// one). Processes in small batches so decoding doesn't block the UI; safe to
-  /// call at startup as fire-and-forget. No-op when no thumbnail builder is
-  /// wired. Returns how many thumbnails were written.
-  Future<int> backfillThumbnails({int batchSize = 20}) async {
-    final build = _thumbnailBuilder;
-    if (build == null) return 0;
-    var written = 0;
-    while (true) {
-      final batch =
-          await (_db.select(_db.attachments)
-                ..where(
-                  (a) =>
-                      a.kind.equalsValue(AttachmentKind.photo) &
-                      a.isDeleted.equals(false) &
-                      a.thumbnail.isNull() &
-                      a.bytes.isNotNull(),
-                )
-                ..limit(batchSize))
-              .get();
-      if (batch.isEmpty) break;
-      for (final row in batch) {
-        final thumb = build(row.bytes!);
-        // No decodable image → store the full bytes as the "thumbnail" so this
-        // row isn't re-scanned forever. It's rare (corrupt photo) and still
-        // bounded by the avatar's cacheWidth at render time.
-        await (_db.update(_db.attachments)..where((a) => a.id.equals(row.id)))
-            .write(AttachmentsCompanion(thumbnail: Value(thumb ?? row.bytes)));
-        written++;
-      }
-      if (batch.length < batchSize) break;
-    }
-    return written;
-  }
-
   /// The cover photo (lowest `sortOrder`) for a single variety, or null when it
-  /// has none. Used by the publish step to host an offer's image, so it returns
-  /// the FULL-resolution [bytes] (not the list thumbnail).
-  Future<Uint8List?> coverPhotoFor(String varietyId) async {
-    final rows =
-        await (_db.select(_db.attachments)
-              ..where(
-                (a) =>
-                    a.parentId.equals(varietyId) &
-                    a.parentType.equalsValue(ParentType.variety) &
-                    a.kind.equalsValue(AttachmentKind.photo) &
-                    a.isDeleted.equals(false),
-              )
-              ..orderBy([
-                (a) => OrderingTerm(expression: a.sortOrder),
-                (a) => OrderingTerm(expression: a.createdAt),
-              ])
-              ..limit(1))
-            .get();
-    return rows.isEmpty ? null : rows.first.bytes;
-  }
+  /// has none. Used by the publish step to host an offer's image; reuses the
+  /// same "first photo" rule as the inventory avatar.
+  Future<Uint8List?> coverPhotoFor(String varietyId) async =>
+      (await _firstPhotosFor([varietyId]))[varietyId];
 
   /// Maps each of [speciesIds] to its scientific name (one query).
   Future<Map<String, String>> _scientificNamesFor(
@@ -1115,7 +1040,6 @@ class VarietyRepository {
                 parentId: varietyId,
                 kind: AttachmentKind.photo,
                 bytes: Value(photoBytes),
-                thumbnail: _thumbValue(photoBytes),
                 mimeType: const Value('image/jpeg'),
               ),
             );
@@ -1156,7 +1080,6 @@ class VarietyRepository {
               parentId: varietyId,
               kind: AttachmentKind.photo,
               bytes: Value(photoBytes),
-              thumbnail: _thumbValue(photoBytes),
               mimeType: const Value('image/jpeg'),
             ),
           );
@@ -1872,7 +1795,6 @@ class VarietyRepository {
             parentId: varietyId,
             kind: AttachmentKind.photo,
             bytes: Value(bytes),
-            thumbnail: _thumbValue(bytes),
             mimeType: const Value('image/jpeg'),
           ),
         );
@@ -3084,46 +3006,3 @@ class VarietyRepository {
     return maxPacked == null ? null : Hlc.parse(maxPacked);
   }
 }
-
-/// Emits the latest event from [source] only once [duration] has elapsed with
-/// no newer event — collapsing a burst of rapid change-triggers into a single
-/// downstream reload. Trailing-edge; single-subscription (matches the merged
-/// Drift trigger stream it wraps).
-Stream<T> _debounce<T>(Stream<T> source, Duration duration) {
-  late StreamController<T> controller;
-  StreamSubscription<T>? sub;
-  Timer? timer;
-  T? pending;
-  var hasPending = false;
-
-  void flush() {
-    if (hasPending) {
-      hasPending = false;
-      controller.add(pending as T);
-    }
-  }
-
-  controller = StreamController<T>(
-    onListen: () {
-      sub = source.listen(
-        (value) {
-          pending = value;
-          hasPending = true;
-          timer?.cancel();
-          timer = Timer(duration, flush);
-        },
-        onError: controller.addError,
-        onDone: () {
-          timer?.cancel();
-          flush();
-          controller.close();
-        },
-      );
-    },
-    onCancel: () async {
-      timer?.cancel();
-      await sub?.cancel();
-    },
-  );
-  return controller.stream;
-}

apps/app_seeds/lib/db/database.dart

@@ -32,7 +32,7 @@ class AppDatabase extends _$AppDatabase {
 
   /// Current schema version; also stamped into interchange exports so an
   /// importer knows which app generation wrote the file (data-model §7).
-  static const int currentSchemaVersion = 14;
+  static const int currentSchemaVersion = 13;
 
   @override
   int get schemaVersion => currentSchemaVersion;
@@ -196,40 +196,9 @@ class AppDatabase extends _$AppDatabase {
           await m.createTable(gardenOutcomes);
         }
       }
-      // v14: scalability for large inventories. A local, regenerable [thumbnail]
-      // BLOB on attachments (so the list never decodes full-resolution photos)
-      // plus indexes on the columns the inventory list filters/joins on. All
-      // additive and guarded, so a half-migrated dev database re-runs cleanly
-      // (see the v7 note above). Existing thumbnails are backfilled lazily in
-      // the background, not here (image decoding in a migration is slow/fragile).
-      if (from < 14) {
-        if (!await _hasColumn('attachments', 'thumbnail')) {
-          await m.addColumn(attachments, attachments.thumbnail);
-        }
-        // Declared as `@TableIndex` on the tables, so a fresh install gets them
-        // via createAll(); existing databases get them here. Guarded against a
-        // half-migrated dev database (see the v7 note above).
-        for (final index in [
-          idxVarietiesDeletedDraft,
-          idxAttachmentsParent,
-          idxLotsVariety,
-        ]) {
-          if (!await _hasIndex(index.entityName)) await m.create(index);
-        }
-      }
     },
   );
 
-  /// Whether an index named [name] already exists — keeps the additive v14
-  /// index creation idempotent against partially-migrated databases.
-  Future<bool> _hasIndex(String name) async {
-    final rows = await customSelect(
-      "SELECT 1 FROM sqlite_master WHERE type = 'index' AND name = ?",
-      variables: [Variable.withString(name)],
-    ).get();
-    return rows.isNotEmpty;
-  }
-
   /// Whether a table named [table] already exists. Keeps the additive v8
   /// table creation idempotent against partially-migrated databases.
   Future<bool> _hasTable(String table) async {

apps/app_seeds/lib/db/database.g.dart

@@ -7975,17 +7975,6 @@ class $AttachmentsTable extends Attachments
     type: DriftSqlType.blob,
     requiredDuringInsert: false,
   );
-  static const VerificationMeta _thumbnailMeta = const VerificationMeta(
-    'thumbnail',
-  );
-  @override
-  late final GeneratedColumn<Uint8List> thumbnail = GeneratedColumn<Uint8List>(
-    'thumbnail',
-    aliasedName,
-    true,
-    type: DriftSqlType.blob,
-    requiredDuringInsert: false,
-  );
   static const VerificationMeta _mimeTypeMeta = const VerificationMeta(
     'mimeType',
   );
@@ -8022,7 +8011,6 @@ class $AttachmentsTable extends Attachments
     kind,
     uri,
     bytes,
-    thumbnail,
     mimeType,
     sortOrder,
   ];
@@ -8102,12 +8090,6 @@ class $AttachmentsTable extends Attachments
         bytes.isAcceptableOrUnknown(data['bytes']!, _bytesMeta),
       );
     }
-    if (data.containsKey('thumbnail')) {
-      context.handle(
-        _thumbnailMeta,
-        thumbnail.isAcceptableOrUnknown(data['thumbnail']!, _thumbnailMeta),
-      );
-    }
     if (data.containsKey('mime_type')) {
       context.handle(
         _mimeTypeMeta,
@@ -8177,10 +8159,6 @@ class $AttachmentsTable extends Attachments
         DriftSqlType.blob,
         data['${effectivePrefix}bytes'],
       ),
-      thumbnail: attachedDatabase.typeMapping.read(
-        DriftSqlType.blob,
-        data['${effectivePrefix}thumbnail'],
-      ),
       mimeType: attachedDatabase.typeMapping.read(
         DriftSqlType.string,
         data['${effectivePrefix}mime_type'],
@@ -8215,13 +8193,6 @@ class Attachment extends DataClass implements Insertable<Attachment> {
   final AttachmentKind kind;
   final String? uri;
   final Uint8List? bytes;
-
-  /// A small JPEG thumbnail of [bytes] (photos only), decoded once on save so
-  /// the inventory list never has to decode the full-resolution photo for a
-  /// 48px avatar. Purely derived, local and regenerable — it is EXCLUDED from
-  /// CRDT sync payloads and backups (see [SyncColumns] usage); a peer or a
-  /// restored backup regenerates it lazily via `backfillThumbnails`.
-  final Uint8List? thumbnail;
   final String? mimeType;
 
   /// Display order among sibling attachments (lower first). The lowest-ordered
@@ -8241,7 +8212,6 @@ class Attachment extends DataClass implements Insertable<Attachment> {
     required this.kind,
     this.uri,
     this.bytes,
-    this.thumbnail,
     this.mimeType,
     required this.sortOrder,
   });
@@ -8271,9 +8241,6 @@ class Attachment extends DataClass implements Insertable<Attachment> {
     if (!nullToAbsent || bytes != null) {
       map['bytes'] = Variable<Uint8List>(bytes);
     }
-    if (!nullToAbsent || thumbnail != null) {
-      map['thumbnail'] = Variable<Uint8List>(thumbnail);
-    }
     if (!nullToAbsent || mimeType != null) {
       map['mime_type'] = Variable<String>(mimeType);
     }
@@ -8296,9 +8263,6 @@ class Attachment extends DataClass implements Insertable<Attachment> {
       bytes: bytes == null && nullToAbsent
           ? const Value.absent()
           : Value(bytes),
-      thumbnail: thumbnail == null && nullToAbsent
-          ? const Value.absent()
-          : Value(thumbnail),
       mimeType: mimeType == null && nullToAbsent
           ? const Value.absent()
           : Value(mimeType),
@@ -8327,7 +8291,6 @@ class Attachment extends DataClass implements Insertable<Attachment> {
       ),
       uri: serializer.fromJson<String?>(json['uri']),
       bytes: serializer.fromJson<Uint8List?>(json['bytes']),
-      thumbnail: serializer.fromJson<Uint8List?>(json['thumbnail']),
       mimeType: serializer.fromJson<String?>(json['mimeType']),
       sortOrder: serializer.fromJson<int>(json['sortOrder']),
     );
@@ -8351,7 +8314,6 @@ class Attachment extends DataClass implements Insertable<Attachment> {
       ),
       'uri': serializer.toJson<String?>(uri),
       'bytes': serializer.toJson<Uint8List?>(bytes),
-      'thumbnail': serializer.toJson<Uint8List?>(thumbnail),
       'mimeType': serializer.toJson<String?>(mimeType),
       'sortOrder': serializer.toJson<int>(sortOrder),
     };
@@ -8369,7 +8331,6 @@ class Attachment extends DataClass implements Insertable<Attachment> {
     AttachmentKind? kind,
     Value<String?> uri = const Value.absent(),
     Value<Uint8List?> bytes = const Value.absent(),
-    Value<Uint8List?> thumbnail = const Value.absent(),
     Value<String?> mimeType = const Value.absent(),
     int? sortOrder,
   }) => Attachment(
@@ -8384,7 +8345,6 @@ class Attachment extends DataClass implements Insertable<Attachment> {
     kind: kind ?? this.kind,
     uri: uri.present ? uri.value : this.uri,
     bytes: bytes.present ? bytes.value : this.bytes,
-    thumbnail: thumbnail.present ? thumbnail.value : this.thumbnail,
     mimeType: mimeType.present ? mimeType.value : this.mimeType,
     sortOrder: sortOrder ?? this.sortOrder,
   );
@@ -8407,7 +8367,6 @@ class Attachment extends DataClass implements Insertable<Attachment> {
       kind: data.kind.present ? data.kind.value : this.kind,
       uri: data.uri.present ? data.uri.value : this.uri,
       bytes: data.bytes.present ? data.bytes.value : this.bytes,
-      thumbnail: data.thumbnail.present ? data.thumbnail.value : this.thumbnail,
       mimeType: data.mimeType.present ? data.mimeType.value : this.mimeType,
       sortOrder: data.sortOrder.present ? data.sortOrder.value : this.sortOrder,
     );
@@ -8427,7 +8386,6 @@ class Attachment extends DataClass implements Insertable<Attachment> {
           ..write('kind: $kind, ')
           ..write('uri: $uri, ')
           ..write('bytes: $bytes, ')
-          ..write('thumbnail: $thumbnail, ')
           ..write('mimeType: $mimeType, ')
           ..write('sortOrder: $sortOrder')
           ..write(')'))
@@ -8447,7 +8405,6 @@ class Attachment extends DataClass implements Insertable<Attachment> {
     kind,
     uri,
     $driftBlobEquality.hash(bytes),
-    $driftBlobEquality.hash(thumbnail),
     mimeType,
     sortOrder,
   );
@@ -8466,7 +8423,6 @@ class Attachment extends DataClass implements Insertable<Attachment> {
           other.kind == this.kind &&
           other.uri == this.uri &&
           $driftBlobEquality.equals(other.bytes, this.bytes) &&
-          $driftBlobEquality.equals(other.thumbnail, this.thumbnail) &&
           other.mimeType == this.mimeType &&
           other.sortOrder == this.sortOrder);
 }
@@ -8483,7 +8439,6 @@ class AttachmentsCompanion extends UpdateCompanion<Attachment> {
   final Value<AttachmentKind> kind;
   final Value<String?> uri;
   final Value<Uint8List?> bytes;
-  final Value<Uint8List?> thumbnail;
   final Value<String?> mimeType;
   final Value<int> sortOrder;
   final Value<int> rowid;
@@ -8499,7 +8454,6 @@ class AttachmentsCompanion extends UpdateCompanion<Attachment> {
     this.kind = const Value.absent(),
     this.uri = const Value.absent(),
     this.bytes = const Value.absent(),
-    this.thumbnail = const Value.absent(),
     this.mimeType = const Value.absent(),
     this.sortOrder = const Value.absent(),
     this.rowid = const Value.absent(),
@@ -8516,7 +8470,6 @@ class AttachmentsCompanion extends UpdateCompanion<Attachment> {
     required AttachmentKind kind,
     this.uri = const Value.absent(),
     this.bytes = const Value.absent(),
-    this.thumbnail = const Value.absent(),
     this.mimeType = const Value.absent(),
     this.sortOrder = const Value.absent(),
     this.rowid = const Value.absent(),
@@ -8539,7 +8492,6 @@ class AttachmentsCompanion extends UpdateCompanion<Attachment> {
     Expression<String>? kind,
     Expression<String>? uri,
     Expression<Uint8List>? bytes,
-    Expression<Uint8List>? thumbnail,
     Expression<String>? mimeType,
     Expression<int>? sortOrder,
     Expression<int>? rowid,
@@ -8556,7 +8508,6 @@ class AttachmentsCompanion extends UpdateCompanion<Attachment> {
       if (kind != null) 'kind': kind,
       if (uri != null) 'uri': uri,
       if (bytes != null) 'bytes': bytes,
-      if (thumbnail != null) 'thumbnail': thumbnail,
       if (mimeType != null) 'mime_type': mimeType,
       if (sortOrder != null) 'sort_order': sortOrder,
       if (rowid != null) 'rowid': rowid,
@@ -8575,7 +8526,6 @@ class AttachmentsCompanion extends UpdateCompanion<Attachment> {
     Value<AttachmentKind>? kind,
     Value<String?>? uri,
     Value<Uint8List?>? bytes,
-    Value<Uint8List?>? thumbnail,
     Value<String?>? mimeType,
     Value<int>? sortOrder,
     Value<int>? rowid,
@@ -8592,7 +8542,6 @@ class AttachmentsCompanion extends UpdateCompanion<Attachment> {
       kind: kind ?? this.kind,
       uri: uri ?? this.uri,
       bytes: bytes ?? this.bytes,
-      thumbnail: thumbnail ?? this.thumbnail,
       mimeType: mimeType ?? this.mimeType,
       sortOrder: sortOrder ?? this.sortOrder,
       rowid: rowid ?? this.rowid,
@@ -8639,9 +8588,6 @@ class AttachmentsCompanion extends UpdateCompanion<Attachment> {
     if (bytes.present) {
       map['bytes'] = Variable<Uint8List>(bytes.value);
     }
-    if (thumbnail.present) {
-      map['thumbnail'] = Variable<Uint8List>(thumbnail.value);
-    }
     if (mimeType.present) {
       map['mime_type'] = Variable<String>(mimeType.value);
     }
@@ -8668,7 +8614,6 @@ class AttachmentsCompanion extends UpdateCompanion<Attachment> {
           ..write('kind: $kind, ')
           ..write('uri: $uri, ')
           ..write('bytes: $bytes, ')
-          ..write('thumbnail: $thumbnail, ')
           ..write('mimeType: $mimeType, ')
           ..write('sortOrder: $sortOrder, ')
           ..write('rowid: $rowid')
@@ -11490,18 +11435,6 @@ abstract class _$AppDatabase extends GeneratedDatabase {
   late final $ExternalLinksTable externalLinks = $ExternalLinksTable(this);
   late final $PlantaresTable plantares = $PlantaresTable(this);
   late final $SalesTable sales = $SalesTable(this);
-  late final Index idxVarietiesDeletedDraft = Index(
-    'idx_varieties_deleted_draft',
-    'CREATE INDEX idx_varieties_deleted_draft ON varieties (is_deleted, is_draft)',
-  );
-  late final Index idxLotsVariety = Index(
-    'idx_lots_variety',
-    'CREATE INDEX idx_lots_variety ON lots (variety_id)',
-  );
-  late final Index idxAttachmentsParent = Index(
-    'idx_attachments_parent',
-    'CREATE INDEX idx_attachments_parent ON attachments (parent_type, parent_id, kind)',
-  );
   @override
   Iterable<TableInfo<Table, Object?>> get allTables =>
       allSchemaEntities.whereType<TableInfo<Table, Object?>>();
@@ -11521,9 +11454,6 @@ abstract class _$AppDatabase extends GeneratedDatabase {
     externalLinks,
     plantares,
     sales,
-    idxVarietiesDeletedDraft,
-    idxLotsVariety,
-    idxAttachmentsParent,
   ];
 }
 
@@ -15188,7 +15118,6 @@ typedef $$AttachmentsTableCreateCompanionBuilder =
       required AttachmentKind kind,
       Value<String?> uri,
       Value<Uint8List?> bytes,
-      Value<Uint8List?> thumbnail,
       Value<String?> mimeType,
       Value<int> sortOrder,
       Value<int> rowid,
@@ -15206,7 +15135,6 @@ typedef $$AttachmentsTableUpdateCompanionBuilder =
       Value<AttachmentKind> kind,
       Value<String?> uri,
       Value<Uint8List?> bytes,
-      Value<Uint8List?> thumbnail,
       Value<String?> mimeType,
       Value<int> sortOrder,
       Value<int> rowid,
@@ -15278,11 +15206,6 @@ class $$AttachmentsTableFilterComposer
     builder: (column) => ColumnFilters(column),
   );
 
-  ColumnFilters<Uint8List> get thumbnail => $composableBuilder(
-    column: $table.thumbnail,
-    builder: (column) => ColumnFilters(column),
-  );
-
   ColumnFilters<String> get mimeType => $composableBuilder(
     column: $table.mimeType,
     builder: (column) => ColumnFilters(column),
@@ -15358,11 +15281,6 @@ class $$AttachmentsTableOrderingComposer
     builder: (column) => ColumnOrderings(column),
   );
 
-  ColumnOrderings<Uint8List> get thumbnail => $composableBuilder(
-    column: $table.thumbnail,
-    builder: (column) => ColumnOrderings(column),
-  );
-
   ColumnOrderings<String> get mimeType => $composableBuilder(
     column: $table.mimeType,
     builder: (column) => ColumnOrderings(column),
@@ -15423,9 +15341,6 @@ class $$AttachmentsTableAnnotationComposer
   GeneratedColumn<Uint8List> get bytes =>
       $composableBuilder(column: $table.bytes, builder: (column) => column);
 
-  GeneratedColumn<Uint8List> get thumbnail =>
-      $composableBuilder(column: $table.thumbnail, builder: (column) => column);
-
   GeneratedColumn<String> get mimeType =>
       $composableBuilder(column: $table.mimeType, builder: (column) => column);
 
@@ -15475,7 +15390,6 @@ class $$AttachmentsTableTableManager
                 Value<AttachmentKind> kind = const Value.absent(),
                 Value<String?> uri = const Value.absent(),
                 Value<Uint8List?> bytes = const Value.absent(),
-                Value<Uint8List?> thumbnail = const Value.absent(),
                 Value<String?> mimeType = const Value.absent(),
                 Value<int> sortOrder = const Value.absent(),
                 Value<int> rowid = const Value.absent(),
@@ -15491,7 +15405,6 @@ class $$AttachmentsTableTableManager
                 kind: kind,
                 uri: uri,
                 bytes: bytes,
-                thumbnail: thumbnail,
                 mimeType: mimeType,
                 sortOrder: sortOrder,
                 rowid: rowid,
@@ -15509,7 +15422,6 @@ class $$AttachmentsTableTableManager
                 required AttachmentKind kind,
                 Value<String?> uri = const Value.absent(),
                 Value<Uint8List?> bytes = const Value.absent(),
-                Value<Uint8List?> thumbnail = const Value.absent(),
                 Value<String?> mimeType = const Value.absent(),
                 Value<int> sortOrder = const Value.absent(),
                 Value<int> rowid = const Value.absent(),
@@ -15525,7 +15437,6 @@ class $$AttachmentsTableTableManager
                 kind: kind,
                 uri: uri,
                 bytes: bytes,
-                thumbnail: thumbnail,
                 mimeType: mimeType,
                 sortOrder: sortOrder,
                 rowid: rowid,

apps/app_seeds/lib/db/tables.dart

@@ -5,10 +5,6 @@ import 'sync_columns.dart';
 
 /// The identity/accession — one row per distinct thing in the inventory.
 /// Only [label] is mandatory (progressive disclosure).
-///
-/// The index covers the inventory list's hot filter — non-deleted, non-draft
-/// rows — so it stays fast with a large catalogue.
-@TableIndex(name: 'idx_varieties_deleted_draft', columns: {#isDeleted, #isDraft})
 class Varieties extends Table with SyncColumns {
   TextColumn get label => text()();
   TextColumn get speciesId => text().nullable()(); // → Species
@@ -81,10 +77,6 @@ class SpeciesCommonNames extends Table with SyncColumns {
 
 /// A homogeneous batch held for a Variety — its own year and its own unit.
 /// Quantity (commons_core value type) is flattened into columns here.
-///
-/// Indexed by [varietyId] — the inventory list joins lots per variety (types,
-/// shared status, viability), so this avoids a full scan per reload.
-@TableIndex(name: 'idx_lots_variety', columns: {#varietyId})
 class Lots extends Table with SyncColumns {
   TextColumn get varietyId => text()();
   TextColumn get type =>
@@ -189,26 +181,12 @@ class Parties extends Table with SyncColumns {
 /// rest by SQLCipher) via [bytes]; external files use [uri]. Storing bytes here
 /// keeps the "no plaintext at rest" rule for photos in Block 1; an external
 /// encrypted file store is a later optimization.
-///
-/// Indexed by (parentType, parentId, kind) — the list's "first photo per
-/// variety" lookup filters on exactly these.
-@TableIndex(
-  name: 'idx_attachments_parent',
-  columns: {#parentType, #parentId, #kind},
-)
 class Attachments extends Table with SyncColumns {
   TextColumn get parentType => textEnum<ParentType>()();
   TextColumn get parentId => text()();
   TextColumn get kind => textEnum<AttachmentKind>()();
   TextColumn get uri => text().nullable()();
   BlobColumn get bytes => blob().nullable()();
-
-  /// A small JPEG thumbnail of [bytes] (photos only), decoded once on save so
-  /// the inventory list never has to decode the full-resolution photo for a
-  /// 48px avatar. Purely derived, local and regenerable — it is EXCLUDED from
-  /// CRDT sync payloads and backups (see [SyncColumns] usage); a peer or a
-  /// restored backup regenerates it lazily via `backfillThumbnails`.
-  BlobColumn get thumbnail => blob().nullable()();
   TextColumn get mimeType => text().nullable()();
 
   /// Display order among sibling attachments (lower first). The lowest-ordered

apps/app_seeds/lib/di/injector.dart

@@ -28,7 +28,6 @@ import '../services/file_service.dart';
 import '../services/inbox_service.dart';
 import '../services/locale_store.dart';
 import '../services/notification_service.dart';
-import '../services/offer_thumbnail.dart';
 import '../services/ocr/label_text_extractor.dart';
 import '../services/ocr/ocr_language.dart';
 import '../services/ocr/tesseract_label_extractor.dart';
@@ -153,11 +152,7 @@ Future<void> configureDependencies() async {
     database,
     idGen: IdGen(),
     nodeId: nodeId,
-    thumbnailBuilder: inventoryThumbnailBytes,
   );
-  // Backfill list thumbnails for photos that predate the thumbnail column (or
-  // arrived via a restored backup). Fire-and-forget so startup isn't blocked.
-  unawaited(varietyRepository.backfillThumbnails());
 
   const fileService = FilePickerFileService();
 

apps/app_seeds/lib/main.dart

@@ -1,4 +1,3 @@
-import 'package:flutter/services.dart';
 import 'package:flutter/widgets.dart';
 
 import 'bootstrap.dart';
@@ -7,16 +6,6 @@ import 'ui/restart_widget.dart';
 
 void main() {
   WidgetsFlutterBinding.ensureInitialized();
-  // Draw behind the system bars (edge-to-edge) with transparent bars, so the app
-  // fills the screen on Android 15+ (where edge-to-edge is enforced) and stays
-  // consistent elsewhere. Scaffolds use SafeArea to keep content off the insets.
-  SystemChrome.setEnabledSystemUIMode(SystemUiMode.edgeToEdge);
-  SystemChrome.setSystemUIOverlayStyle(
-    const SystemUiOverlayStyle(
-      statusBarColor: Color(0x00000000),
-      systemNavigationBarColor: Color(0x00000000),
-    ),
-  );
   // Start from the device language, then let an explicit in-app choice win —
   // it's the only reliable way to reach languages the OS picker doesn't offer
   // (e.g. Asturian). The saved choice is restored inside [Bootstrap], after DI.

apps/app_seeds/lib/services/camera_availability.dart

@@ -1,35 +0,0 @@
-import 'package:flutter/foundation.dart';
-import 'package:flutter/services.dart';
-
-/// Whether this device has any camera. Resolved once at startup (via the native
-/// channel, `PackageManager.FEATURE_CAMERA_ANY`) and cached so `build()` methods
-/// can read it synchronously — the QR scan button ([qrScanSupported]) and the
-/// photo-source sheet hide their camera options when it is false.
-///
-/// Defaults to `true` so a normal phone never loses camera UI over a transient
-/// channel error; only genuinely camera-less devices (Chromebooks, Android
-/// Automotive, some TVs — kept installable by the `uses-feature required=false`
-/// in AndroidManifest) flip it to false. Non-Android platforms keep the default
-/// (iOS devices have a camera; desktop/web gate camera UI elsewhere).
-bool _deviceHasCamera = true;
-
-bool get deviceHasCamera => _deviceHasCamera;
-
-@visibleForTesting
-set deviceHasCamera(bool value) => _deviceHasCamera = value;
-
-const _channel = MethodChannel('org.comunes.tane/coarse_location');
-
-/// Queries the native camera-presence check and caches it. Called once during
-/// bootstrap, before the first real frame, so synchronous readers see the right
-/// value. Android-only; elsewhere the default stands. Never throws — a channel
-/// error leaves the safe default in place.
-Future<void> initCameraAvailability() async {
-  if (defaultTargetPlatform != TargetPlatform.android) return;
-  try {
-    final has = await _channel.invokeMethod<bool>('hasCamera');
-    if (has != null) _deviceHasCamera = has;
-  } catch (_) {
-    // Keep the default; a normal phone shouldn't lose camera UI over this.
-  }
-}

apps/app_seeds/lib/services/offer_thumbnail.dart

@@ -34,26 +34,6 @@ String? offerThumbnailDataUri(
   }
 }
 
-/// Builds a small JPEG thumbnail (longest edge [edge]px) for the inventory-list
-/// avatar, so the list never has to decode the full-resolution photo. Returns
-/// raw JPEG bytes, or null on undecodable input (the caller falls back to the
-/// full photo). Kept as local bytes — regenerable, so it is excluded from sync
-/// and backups.
-Uint8List? inventoryThumbnailBytes(
-  Uint8List bytes, {
-  int edge = 96,
-  int quality = 72,
-}) {
-  try {
-    final decoded = img.decodeImage(bytes);
-    if (decoded == null) return null;
-    final resized = _fitWithin(decoded, edge);
-    return Uint8List.fromList(img.encodeJpg(resized, quality: quality));
-  } catch (_) {
-    return null;
-  }
-}
-
 /// Extracts the raw bytes from a `data:...;base64,…` URI, or null when [uri] is
 /// not a base64 data URI. Used by the UI to render an inline thumbnail with
 /// `Image.memory` instead of a network fetch.

apps/app_seeds/lib/state/offers_cubit.dart

@@ -24,16 +24,12 @@ class OffersState extends Equatable {
     this.blockedAuthors = const {},
     this.hiddenOfferKeys = const {},
     this.searching = false,
-    this.loadingMore = false,
-    this.nextPageCursor,
     this.publishing = false,
     this.hasSearched = false,
     this.error,
   });
 
-  /// Offers discovered so far for [areaGeohash], newest first. Bounded in size
-  /// (see [OffersCubit.maxOffersKept]) so a busy area can't grow the list — and
-  /// the inline photo thumbnails it carries — without limit.
+  /// Offers discovered so far for [areaGeohash], newest appended as they arrive.
   final List<Offer> offers;
 
   /// The coarse area currently being browsed.
@@ -61,21 +57,8 @@ class OffersState extends Equatable {
   final Set<String> hiddenOfferKeys;
 
   final bool searching;
-
-  /// True while a "load more" page is in flight, so the UI shows a footer
-  /// spinner and doesn't fire overlapping page requests.
-  final bool loadingMore;
-
-  /// Cursor (Unix seconds) for the next older page, or null when the newest
-  /// page was short (nothing older) or the in-memory cap was reached — in both
-  /// cases there is no more to load.
-  final int? nextPageCursor;
-
   final bool publishing;
 
-  /// Whether more offers can be paged in (drives the infinite-scroll trigger).
-  bool get canLoadMore => nextPageCursor != null;
-
   /// True once a discovery has been started, so the UI can tell "no search yet"
   /// from "searched, found nothing".
   final bool hasSearched;
@@ -132,8 +115,6 @@ class OffersState extends Equatable {
     Set<String>? blockedAuthors,
     Set<String>? hiddenOfferKeys,
     bool? searching,
-    bool? loadingMore,
-    int? Function()? nextPageCursor,
     bool? publishing,
     bool? hasSearched,
     String? Function()? error,
@@ -148,9 +129,6 @@ class OffersState extends Equatable {
       blockedAuthors: blockedAuthors ?? this.blockedAuthors,
       hiddenOfferKeys: hiddenOfferKeys ?? this.hiddenOfferKeys,
       searching: searching ?? this.searching,
-      loadingMore: loadingMore ?? this.loadingMore,
-      nextPageCursor:
-          nextPageCursor != null ? nextPageCursor() : this.nextPageCursor,
       publishing: publishing ?? this.publishing,
       hasSearched: hasSearched ?? this.hasSearched,
       error: error != null ? error() : this.error,
@@ -168,8 +146,6 @@ class OffersState extends Equatable {
         blockedAuthors,
         hiddenOfferKeys,
         searching,
-        loadingMore,
-        nextPageCursor,
         publishing,
         hasSearched,
         error,
@@ -207,23 +183,10 @@ class OffersCubit extends Cubit<OffersState> {
   StreamSubscription<Offer>? _sub;
   Timer? _searchTimeout;
 
-  /// Upper bound on offers held in memory. Each offer can carry an inline
-  /// (~40 KB) photo thumbnail, so an unbounded list in a busy area is a real
-  /// out-of-memory risk on mobile. Paging stops once the list reaches this, and
-  /// live offers beyond it evict the oldest — the newest stay visible.
-  static const int maxOffersKept = 400;
-
   /// Whether a live transport is available (relay configured and reachable).
   bool get isOnline => _transport != null;
 
-  /// Current time in Unix seconds — the granularity Nostr filters use for
-  /// `since`/`until`.
-  int _now() => DateTime.now().millisecondsSinceEpoch ~/ 1000;
-
-  /// Starts (or restarts) discovery for [geohashPrefix]. Fetches the newest page
-  /// up front (bounded), then keeps a live subscription for offers published
-  /// from now on — older results arrive via [loadNextPage], not by draining the
-  /// whole area into memory.
+  /// Starts (or restarts) discovery for [geohashPrefix]. Results stream in.
   Future<void> discover(String geohashPrefix) async {
     final transport = _transport;
     if (transport == null) {
@@ -244,38 +207,15 @@ class OffersCubit extends Cubit<OffersState> {
       searching: true,
       hasSearched: true,
     ));
-
-    final query = DiscoveryQuery(
-      geohashPrefix: geohashPrefix,
-      types: state.typeFilter,
+    _sub = transport.discover(DiscoveryQuery(geohashPrefix: geohashPrefix)).listen(
+      (offer) =>
+          emit(state.copyWith(offers: _merge(state.offers, offer), searching: false)),
+      onError: (Object e) =>
+          emit(state.copyWith(searching: false, error: () => '$e')),
     );
-    // Live subscription first, bounded to offers published from now on, so a new
-    // listing shows up immediately without re-dumping the whole area.
-    final since = _now();
-    _sub = transport.discover(query, since: since).listen(
-          (offer) => emit(state.copyWith(
-            offers: _capped(_prepend(state.offers, offer)),
-            searching: false,
-          )),
-          onError: (Object e) =>
-              emit(state.copyWith(searching: false, error: () => '$e')),
-        );
-
-    try {
-      final page = await transport.discoverPage(query);
-      if (!isClosed) {
-        emit(state.copyWith(
-          offers: _capped(_mergePage(state.offers, page.offers)),
-          nextPageCursor: () => page.nextCursor,
-          searching: false,
-        ));
-      }
-    } catch (e) {
-      if (!isClosed) emit(state.copyWith(searching: false, error: () => '$e'));
-    }
-
-    // Safety net: if the first page hangs and no live offer arrives, still stop
-    // the spinner so the screen shows the empty state, not an endless search.
+    // The discover stream stays open for live offers and never signals "done",
+    // so stop the spinner after a beat: no results → show the empty state, not
+    // an endless "searching".
     _searchTimeout = Timer(const Duration(seconds: 6), () {
       if (!isClosed && state.searching) {
         emit(state.copyWith(searching: false));
@@ -283,64 +223,18 @@ class OffersCubit extends Cubit<OffersState> {
     });
   }
 
-  /// Loads the next (older) page of offers for the current area. Called by the
-  /// list as it nears the end. No-op when offline, already loading, or there is
-  /// nothing older to fetch.
-  Future<void> loadNextPage() async {
-    final transport = _transport;
-    final cursor = state.nextPageCursor;
-    if (transport == null || cursor == null || state.loadingMore) return;
-    emit(state.copyWith(loadingMore: true));
-    try {
-      final page = await transport.discoverPage(DiscoveryQuery(
-        geohashPrefix: state.areaGeohash,
-        types: state.typeFilter,
-        until: cursor,
-      ));
-      final merged = _mergePage(state.offers, page.offers);
-      // Stop paging once the cap is reached — the list is already as large as we
-      // keep — otherwise carry the transport's cursor onward.
-      final reachedCap = merged.length >= maxOffersKept;
-      emit(state.copyWith(
-        offers: _capped(merged),
-        nextPageCursor: () => reachedCap ? null : page.nextCursor,
-        loadingMore: false,
-      ));
-    } catch (e) {
-      emit(state.copyWith(loadingMore: false, error: () => '$e'));
-    }
-  }
-
-  /// The offer's identity for de-duplication: NIP-99 addressable events are keyed
-  /// by (author, `d`-tag id), so the same listing from two relays — or a stored
-  /// copy plus a live echo — collapses to one entry.
-  static String _key(Offer o) => '${o.authorPubkeyHex}:${o.id}';
-
-  /// Prepends a freshly-arrived (newer) [incoming] offer, dropping any existing
-  /// entry with the same identity so a live echo never doubles the listing.
-  static List<Offer> _prepend(List<Offer> current, Offer incoming) => [
-        incoming,
+  /// Appends [incoming] to [current], replacing any existing offer with the same
+  /// author + id. Relays legitimately resend addressable events (a stored copy
+  /// plus a live echo after publishing), so a plain append would double the
+  /// listing; keeping one entry per (author, id) is the NIP-99 semantics.
+  static List<Offer> _merge(List<Offer> current, Offer incoming) => [
         for (final o in current)
-          if (_key(o) != _key(incoming)) o,
+          if (!(o.id == incoming.id &&
+              o.authorPubkeyHex == incoming.authorPubkeyHex))
+            o,
+        incoming,
       ];
 
-  /// Appends an older [page] after [current] (older offers sort below newer),
-  /// skipping any already present. Keeps the newest-first ordering.
-  static List<Offer> _mergePage(List<Offer> current, List<Offer> page) {
-    final seen = {for (final o in current) _key(o)};
-    return [
-      ...current,
-      for (final o in page)
-        if (seen.add(_key(o))) o,
-    ];
-  }
-
-  /// Caps the list to [maxOffersKept], keeping the newest (front) and dropping
-  /// the oldest (tail) — bounds memory in a busy area.
-  static List<Offer> _capped(List<Offer> offers) => offers.length <= maxOffersKept
-      ? offers
-      : offers.sublist(0, maxOffersKept);
-
   /// Narrows the visible offers to those whose summary matches [query]. Purely
   /// local over the already-discovered list; does not re-hit the transport.
   void search(String query) => emit(state.copyWith(query: query));

apps/app_seeds/lib/ui/calendar_screen.dart

@@ -235,14 +235,8 @@ class _CalendarRow extends StatelessWidget {
       leading: CircleAvatar(
         radius: 20,
         backgroundColor: swatch.fill,
-        // Decode to the 40px avatar size (× dpr), not the full photo.
-        foregroundImage: entry.photo == null
-            ? null
-            : ResizeImage(
-                MemoryImage(entry.photo!),
-                width: (40 * MediaQuery.devicePixelRatioOf(context)).round(),
-                height: (40 * MediaQuery.devicePixelRatioOf(context)).round(),
-              ),
+        foregroundImage:
+            entry.photo == null ? null : MemoryImage(entry.photo!),
         child: entry.photo == null
             ? Text(
                 entry.label.isEmpty

apps/app_seeds/lib/ui/draft_triage.dart

@@ -108,10 +108,6 @@ class _DraftTile extends StatelessWidget {
                 photo,
                 width: 48,
                 height: 48,
-                cacheWidth:
-                    (48 * MediaQuery.devicePixelRatioOf(context)).round(),
-                cacheHeight:
-                    (48 * MediaQuery.devicePixelRatioOf(context)).round(),
                 fit: BoxFit.cover,
               ),
             ),
@@ -196,8 +192,6 @@ class _NameDraftDialogState extends State<NameDraftDialog> {
               child: Image.memory(
                 widget.photo!,
                 height: 140,
-                cacheHeight:
-                    (140 * MediaQuery.devicePixelRatioOf(context)).round(),
                 fit: BoxFit.cover,
               ),
             ),

apps/app_seeds/lib/ui/inventory_list_screen.dart

@@ -582,47 +582,27 @@ class _InventoryBody extends StatelessWidget {
     }
 
     // Items arrive ordered by category then label; insert a header whenever the
-    // category changes. Precompute a flat row model (header or item) so the
-    // ListView can build tiles lazily — with a large inventory, building every
-    // tile upfront (the old `ListView(children:)`) stalled the first paint.
-    final rows = <_InventoryRow>[];
+    // category changes.
+    final rows = <Widget>[];
     String? currentCategory;
     for (final item in items) {
       final category = item.category ?? t.inventory.uncategorized;
       if (category != currentCategory) {
         currentCategory = category;
-        rows.add(_InventoryRow.header(category));
+        rows.add(_CategoryHeader(title: category));
       }
-      rows.add(_InventoryRow.variety(item));
-    }
-    return ListView.builder(
-      itemCount: rows.length,
-      itemBuilder: (context, i) {
-        final row = rows[i];
-        final header = row.header;
-        if (header != null) {
-          return _CategoryHeader(title: header);
-        }
-        return _VarietyTile(
-          item: row.item!,
+      rows.add(
+        _VarietyTile(
+          item: item,
           selectionMode: selectionMode,
-          selected: selectedIds.contains(row.item!.id),
-        );
-      },
-    );
+          selected: selectedIds.contains(item.id),
+        ),
+      );
+    }
+    return ListView(children: rows);
   }
 }
 
-/// A single row in the flattened inventory list: either a category [header] or
-/// a variety [item] (exactly one is non-null).
-class _InventoryRow {
-  const _InventoryRow.header(this.header) : item = null;
-  const _InventoryRow.variety(this.item) : header = null;
-
-  final String? header;
-  final VarietyListItem? item;
-}
-
 class _CategoryHeader extends StatelessWidget {
   const _CategoryHeader({required this.title});
 
@@ -787,21 +767,10 @@ class _Avatar extends StatelessWidget {
     // Decorative: the tile title already announces the variety name, so keep
     // the thumbnail / initial out of the semantics tree.
     if (photo != null) {
-      // Decode straight to the 48px avatar size (× device pixel ratio) instead
-      // of holding the full-resolution photo in the image cache — decisive for
-      // memory with a large inventory of photographed varieties.
-      final cachePx = (48 * MediaQuery.devicePixelRatioOf(context)).round();
       return ExcludeSemantics(
         child: ClipRRect(
           borderRadius: BorderRadius.circular(8),
-          child: Image.memory(
-            photo,
-            width: 48,
-            height: 48,
-            cacheWidth: cachePx,
-            cacheHeight: cachePx,
-            fit: BoxFit.cover,
-          ),
+          child: Image.memory(photo, width: 48, height: 48, fit: BoxFit.cover),
         ),
       );
     }

apps/app_seeds/lib/ui/market_screen.dart

@@ -414,44 +414,23 @@ class MarketBody extends StatelessWidget {
                           ),
                         ],
                       )
-                    : NotificationListener<ScrollNotification>(
-                        // Page in older offers as the list nears its end, so a
-                        // large area streams in on demand rather than all at
-                        // once. The cubit guards against overlapping loads.
-                        onNotification: (n) {
-                          if (state.canLoadMore &&
-                              !state.loadingMore &&
-                              n.metrics.axis == Axis.vertical &&
-                              n.metrics.extentAfter < 500) {
-                            cubit.loadNextPage();
-                          }
-                          return false;
+                    : ListView.separated(
+                        physics: const AlwaysScrollableScrollPhysics(),
+                        padding: const EdgeInsets.all(16),
+                        itemCount: visible.length,
+                        separatorBuilder: (_, _) => const SizedBox(height: 12),
+                        itemBuilder: (context, i) {
+                          final o = visible[i];
+                          final mine = o.authorPubkeyHex == selfPubkey;
+                          return _OfferCard(
+                            offer: o,
+                            mine: mine,
+                            onTap: () async {
+                              await context.push('/market/offer', extra: o);
+                              await onOfferClosed?.call();
+                            },
+                          );
                         },
-                        child: ListView.separated(
-                          physics: const AlwaysScrollableScrollPhysics(),
-                          padding: const EdgeInsets.all(16),
-                          // A trailing spinner row while the next page loads.
-                          itemCount: visible.length + (state.loadingMore ? 1 : 0),
-                          separatorBuilder: (_, _) => const SizedBox(height: 12),
-                          itemBuilder: (context, i) {
-                            if (i >= visible.length) {
-                              return const Padding(
-                                padding: EdgeInsets.symmetric(vertical: 16),
-                                child: Center(child: CircularProgressIndicator()),
-                              );
-                            }
-                            final o = visible[i];
-                            final mine = o.authorPubkeyHex == selfPubkey;
-                            return _OfferCard(
-                              offer: o,
-                              mine: mine,
-                              onTap: () async {
-                                await context.push('/market/offer', extra: o);
-                                await onOfferClosed?.call();
-                              },
-                            );
-                          },
-                        ),
                       ),
               ),
             ),

apps/app_seeds/lib/ui/market_widgets.dart

@@ -36,7 +36,6 @@ class OfferThumbnail extends StatelessWidget {
     return ClipRRect(
       borderRadius: BorderRadius.circular(10),
       child: _offerImage(
-        context,
         url,
         semanticLabel: semanticLabel,
         width: size,
@@ -64,7 +63,7 @@ class OfferHeroImage extends StatelessWidget {
       borderRadius: BorderRadius.circular(14),
       child: AspectRatio(
         aspectRatio: 4 / 3,
-        child: _offerImage(context, url, semanticLabel: semanticLabel),
+        child: _offerImage(url, semanticLabel: semanticLabel),
       ),
     );
   }
@@ -74,7 +73,6 @@ class OfferHeroImage extends StatelessWidget {
 /// remote URL (via network), always cropping to fill and falling back to a
 /// neutral placeholder — a broken image must never block the card.
 Widget _offerImage(
-  BuildContext context,
   String url, {
   required String semanticLabel,
   double? width,
@@ -82,16 +80,10 @@ Widget _offerImage(
 }) {
   final inline = decodeDataUri(url);
   if (inline != null) {
-    // For a sized thumbnail, decode down to its on-screen pixels instead of the
-    // photo's full resolution (Play's "bitmap downscaling"). The hero image
-    // passes no width, so it decodes at native size as intended.
-    final dpr = MediaQuery.devicePixelRatioOf(context);
     return Image.memory(
       inline,
       width: width,
       height: height,
-      cacheWidth: width == null ? null : (width * dpr).round(),
-      cacheHeight: height == null ? null : (height * dpr).round(),
       fit: BoxFit.cover,
       semanticLabel: semanticLabel,
       errorBuilder: (context, _, _) =>

apps/app_seeds/lib/ui/peer_avatar.dart

@@ -34,19 +34,7 @@ class PeerAvatar extends StatelessWidget {
     if (pic.startsWith('data:')) {
       final bytes = decodeDataUri(pic);
       if (bytes != null) {
-        // Decode the photo down to the avatar's on-screen size (in physical
-        // pixels) instead of full resolution — the "bitmap downscaling" Play
-        // recommends. A tiny disc never needs a multi-megapixel decode.
-        final side = (radius * 2 * MediaQuery.devicePixelRatioOf(context))
-            .round();
-        return CircleAvatar(
-          radius: radius,
-          backgroundImage: ResizeImage(
-            MemoryImage(bytes),
-            width: side,
-            height: side,
-          ),
-        );
+        return CircleAvatar(radius: radius, backgroundImage: MemoryImage(bytes));
       }
     } else if (pic.startsWith(avatarGlyphPrefix)) {
       final glyph = avatarGlyphChar(pic.substring(avatarGlyphPrefix.length));

apps/app_seeds/lib/ui/photo_pick.dart

@@ -4,7 +4,6 @@ import 'package:flutter/material.dart';
 import 'package:image_picker/image_picker.dart';
 
 import '../i18n/strings.g.dart';
-import '../services/camera_availability.dart';
 
 /// Asks the user to take a photo or pick one from the gallery, then returns its
 /// bytes (or null if cancelled/unavailable). Camera failures — e.g. on desktop,
@@ -17,15 +16,12 @@ Future<Uint8List?> pickPhoto(BuildContext context) async {
       child: Column(
         mainAxisSize: MainAxisSize.min,
         children: [
-          // Only offer the camera when the device actually has one; camera-less
-          // devices (Chromebooks, Automotive, some TVs) fall back to gallery.
-          if (deviceHasCamera)
-            ListTile(
-              key: const Key('photo.source.camera'),
-              leading: const Icon(Icons.photo_camera_outlined),
-              title: Text(t.photo.camera),
-              onTap: () => Navigator.of(sheetContext).pop(ImageSource.camera),
-            ),
+          ListTile(
+            key: const Key('photo.source.camera'),
+            leading: const Icon(Icons.photo_camera_outlined),
+            title: Text(t.photo.camera),
+            onTap: () => Navigator.of(sheetContext).pop(ImageSource.camera),
+          ),
           ListTile(
             key: const Key('photo.source.gallery'),
             leading: const Icon(Icons.photo_library_outlined),
@@ -61,15 +57,12 @@ Future<List<Uint8List>> pickPhotos(BuildContext context) async {
       child: Column(
         mainAxisSize: MainAxisSize.min,
         children: [
-          // Only offer the camera when the device actually has one; camera-less
-          // devices (Chromebooks, Automotive, some TVs) fall back to gallery.
-          if (deviceHasCamera)
-            ListTile(
-              key: const Key('photos.source.camera'),
-              leading: const Icon(Icons.photo_camera_outlined),
-              title: Text(t.photo.camera),
-              onTap: () => Navigator.of(sheetContext).pop(ImageSource.camera),
-            ),
+          ListTile(
+            key: const Key('photos.source.camera'),
+            leading: const Icon(Icons.photo_camera_outlined),
+            title: Text(t.photo.camera),
+            onTap: () => Navigator.of(sheetContext).pop(ImageSource.camera),
+          ),
           ListTile(
             key: const Key('photos.source.gallery'),
             leading: const Icon(Icons.photo_library_outlined),

apps/app_seeds/lib/ui/qr_scan.dart

@@ -7,17 +7,12 @@ import 'package:zxing_barcode_scanner/zxing_barcode_scanner.dart';
 import '../data/species_repository.dart';
 import '../data/variety_repository.dart';
 import '../i18n/strings.g.dart';
-import '../services/camera_availability.dart';
 import '../services/seed_label_scan.dart';
 
 /// Whether this platform can open the camera scanner. Mobile-only for now
 /// (pure-ZXing platform views; no Google Play Services) — elsewhere the scan
-/// button simply isn't offered, same pattern as the OCR capture. On Android it
-/// also requires an actual camera, so camera-less devices (Chromebooks,
-/// Automotive, some TVs) don't get a scan button that can't open — see
-/// [deviceHasCamera].
-bool get qrScanSupported =>
-    !kIsWeb && ((Platform.isAndroid && deviceHasCamera) || Platform.isIOS);
+/// button simply isn't offered, same pattern as the OCR capture.
+bool get qrScanSupported => !kIsWeb && (Platform.isAndroid || Platform.isIOS);
 
 /// Opens the full-screen camera scanner and returns the first decoded QR
 /// payload, or null if the person backed out. (Ğ1nkgo's scanner pattern on

apps/app_seeds/lib/ui/quick_add_sheet.dart

@@ -199,8 +199,6 @@ class _MoreSection extends StatelessWidget {
             child: Image.memory(
               state.photoBytes!,
               height: 120,
-              cacheHeight:
-                  (120 * MediaQuery.devicePixelRatioOf(context)).round(),
               fit: BoxFit.cover,
             ),
           ),

apps/app_seeds/lib/ui/variety_detail_screen.dart

@@ -2244,16 +2244,10 @@ class _PhotoGalleryState extends State<_PhotoGallery> {
                 itemBuilder: (_, i) => GestureDetector(
                   key: Key('photo.thumb.$i'),
                   onTap: () => _openPhotoViewer(context, cubit, i),
-                  // Decode to the 140px thumbnail size (× dpr), not full photo
-                  // resolution — the full-res decode happens in the viewer.
                   child: Image.memory(
                     photos[i].bytes,
                     width: 140,
                     height: 140,
-                    cacheWidth:
-                        (140 * MediaQuery.devicePixelRatioOf(context)).round(),
-                    cacheHeight:
-                        (140 * MediaQuery.devicePixelRatioOf(context)).round(),
                     fit: BoxFit.cover,
                   ),
                 ),

apps/app_seeds/test/data/inventory_scale_test.dart

@@ -19,8 +19,8 @@ void main() {
   });
   tearDown(() => db.close());
 
-  test('the inventory view loads 10000 varieties quickly', () async {
-    const count = 10000;
+  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',
@@ -43,12 +43,11 @@ void main() {
     sw.stop();
 
     expect(view.items, hasLength(count));
-    // Generous ceiling for CI (the point is to catch an N+1 regression, not to
-    // micro-benchmark). Includes the ~250ms debounce on the first emit; typical
-    // local runs are well under 2s for 10k rows with the v14 indexes.
+    // 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(6000),
+      lessThan(3000),
       reason: 'inventory view took ${sw.elapsedMilliseconds}ms for $count rows',
     );
   });

apps/app_seeds/test/db/migration_test.dart

@@ -11,19 +11,19 @@ void main() {
     verifier = SchemaVerifier(GeneratedHelper());
   });
 
-  test('freshly created database matches the exported schema v14', () async {
-    final schema = await verifier.schemaAt(14);
+  test('freshly created database matches the exported schema v13', () async {
+    final schema = await verifier.schemaAt(13);
     final db = AppDatabase(schema.newConnection());
-    await verifier.migrateAndValidate(db, 14);
+    await verifier.migrateAndValidate(db, 13);
     await db.close();
   });
 
-  // Every historical version upgrades cleanly to the current schema (v14).
-  for (var from = 1; from <= 13; from++) {
-    test('upgrades v$from → v14 and matches the fresh schema', () async {
+  // Every historical version upgrades cleanly to the current schema (v13).
+  for (var from = 1; from <= 12; from++) {
+    test('upgrades v$from → v13 and matches the fresh schema', () async {
       final connection = await verifier.startAt(from);
       final db = AppDatabase(connection);
-      await verifier.migrateAndValidate(db, 14);
+      await verifier.migrateAndValidate(db, 13);
       await db.close();
     });
   }

apps/app_seeds/test/db/schema/schema.dart

@@ -17,7 +17,6 @@ import 'schema_v10.dart' as v10;
 import 'schema_v11.dart' as v11;
 import 'schema_v12.dart' as v12;
 import 'schema_v13.dart' as v13;
-import 'schema_v14.dart' as v14;
 
 class GeneratedHelper implements SchemaInstantiationHelper {
   @override
@@ -49,12 +48,10 @@ class GeneratedHelper implements SchemaInstantiationHelper {
         return v12.DatabaseAtV12(db);
       case 13:
         return v13.DatabaseAtV13(db);
-      case 14:
-        return v14.DatabaseAtV14(db);
       default:
         throw MissingSchemaException(version, versions);
     }
   }
 
-  static const versions = const [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14];
+  static const versions = const [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13];
 }

apps/app_seeds/test/screenshots/screenshots_test.dart

@@ -156,11 +156,7 @@ class _SeededOffersCubit extends OffersCubit {
 /// A transport that is present (so the market reads as online) but never used.
 class _NoopOfferTransport implements OfferTransport {
   @override
-  Stream<Offer> discover(DiscoveryQuery query, {int? since}) =>
-      const Stream.empty();
-  @override
-  Future<OfferPage> discoverPage(DiscoveryQuery query) async =>
-      const OfferPage(offers: []);
+  Stream<Offer> discover(DiscoveryQuery query) => const Stream.empty();
   @override
   Future<PublishResult> publish(Offer offer) => throw UnimplementedError();
   @override

apps/app_seeds/test/state/offers_cubit_test.dart

@@ -25,7 +25,7 @@ class FakeOfferTransport implements OfferTransport {
   }
 
   @override
-  Stream<Offer> discover(DiscoveryQuery query, {int? since}) {
+  Stream<Offer> discover(DiscoveryQuery query) {
     final controller = StreamController<Offer>();
     for (final o in _offers) {
       if (o.approxGeohash.startsWith(query.geohashPrefix)) controller.add(o);
@@ -33,15 +33,6 @@ class FakeOfferTransport implements OfferTransport {
     return controller.stream; // left open (live), like a real subscription
   }
 
-  @override
-  Future<OfferPage> discoverPage(DiscoveryQuery query) async {
-    final matches = [
-      for (final o in _offers)
-        if (o.approxGeohash.startsWith(query.geohashPrefix)) o,
-    ];
-    return OfferPage(offers: matches); // short page → nothing older to load
-  }
-
   @override
   Future<void> retract(String offerId) async =>
       _offers.removeWhere((o) => o.id == offerId);
@@ -63,7 +54,7 @@ class DuplicatingOfferTransport implements OfferTransport {
   }
 
   @override
-  Stream<Offer> discover(DiscoveryQuery query, {int? since}) {
+  Stream<Offer> discover(DiscoveryQuery query) {
     final controller = StreamController<Offer>();
     for (final o in _offers) {
       if (o.approxGeohash.startsWith(query.geohashPrefix)) {
@@ -74,17 +65,6 @@ class DuplicatingOfferTransport implements OfferTransport {
     return controller.stream;
   }
 
-  @override
-  Future<OfferPage> discoverPage(DiscoveryQuery query) async {
-    // The stored copy (deduped at relay level); the live echo (the duplicate)
-    // still arrives via [discover], so the cubit's dedup is what's under test.
-    final matches = [
-      for (final o in _offers)
-        if (o.approxGeohash.startsWith(query.geohashPrefix)) o,
-    ];
-    return OfferPage(offers: matches);
-  }
-
   @override
   Future<void> retract(String offerId) async =>
       _offers.removeWhere((o) => o.id == offerId);
@@ -93,59 +73,6 @@ class DuplicatingOfferTransport implements OfferTransport {
   Future<void> close() async {}
 }
 
-/// A transport that serves offers in `until`-cursored pages (like a relay's
-/// stored events), so the cubit's pagination and memory cap can be exercised.
-/// Each seeded offer gets a descending createdAt; [discover] (live) is empty.
-class PaginatingOfferTransport implements OfferTransport {
-  PaginatingOfferTransport(int count, {this.geohash = 'sp3e9'}) {
-    // Newest (highest createdAt) first: offer 0 is newest.
-    for (var i = 0; i < count; i++) {
-      _byCreatedAt.add((
-        createdAt: 1000000 - i,
-        offer: Offer(
-          id: 'o$i',
-          authorPubkeyHex: 'ab' * 32,
-          summary: 'offer $i',
-          type: OfferType.gift,
-          approxGeohash: geohash,
-        ),
-      ));
-    }
-  }
-
-  final String geohash;
-  final List<({int createdAt, Offer offer})> _byCreatedAt = [];
-
-  @override
-  Stream<Offer> discover(DiscoveryQuery query, {int? since}) =>
-      const Stream.empty();
-
-  @override
-  Future<OfferPage> discoverPage(DiscoveryQuery query) async {
-    final matched = _byCreatedAt
-        .where((e) => e.offer.approxGeohash.startsWith(query.geohashPrefix))
-        .where((e) => query.until == null || e.createdAt <= query.until!)
-        .toList()
-      ..sort((a, b) => b.createdAt.compareTo(a.createdAt));
-    final page = matched.take(query.limit).toList();
-    final nextCursor = page.length >= query.limit && page.isNotEmpty
-        ? page.last.createdAt - 1
-        : null;
-    return OfferPage(
-      offers: [for (final e in page) e.offer],
-      nextCursor: nextCursor,
-    );
-  }
-
-  @override
-  Future<PublishResult> publish(Offer offer) async =>
-      PublishResult(accepted: true, transportRef: offer.id);
-  @override
-  Future<void> retract(String offerId) async {}
-  @override
-  Future<void> close() async {}
-}
-
 void main() {
   group('OfferMapper', () {
     test('maps local sharing intent to the network offer type', () {
@@ -774,65 +701,4 @@ void main() {
       await cubit.close();
     });
   });
-
-  group('OffersCubit pagination', () {
-    test('discover loads the first page and exposes a next-page cursor',
-        () async {
-      final cubit = OffersCubit(PaginatingOfferTransport(250));
-      await cubit.discover('sp3');
-      await pumpEventQueue();
-      // One page (default limit 100) — not the whole 250 — is kept in memory.
-      expect(cubit.state.offers, hasLength(100));
-      expect(cubit.state.canLoadMore, isTrue);
-      expect(cubit.state.searching, isFalse);
-      await cubit.close();
-    });
-
-    test('loadNextPage accumulates older offers until the source is exhausted',
-        () async {
-      final cubit = OffersCubit(PaginatingOfferTransport(250));
-      await cubit.discover('sp3');
-      await pumpEventQueue();
-
-      await cubit.loadNextPage();
-      expect(cubit.state.offers, hasLength(200));
-      expect(cubit.state.canLoadMore, isTrue);
-
-      await cubit.loadNextPage();
-      // Only 250 exist: the third page is short, so there is nothing older.
-      expect(cubit.state.offers, hasLength(250));
-      expect(cubit.state.canLoadMore, isFalse);
-
-      // Paging past the end is a harmless no-op.
-      await cubit.loadNextPage();
-      expect(cubit.state.offers, hasLength(250));
-      await cubit.close();
-    });
-
-    test('the in-memory list is capped and paging stops at the cap', () async {
-      final cubit = OffersCubit(PaginatingOfferTransport(600));
-      await cubit.discover('sp3');
-      await pumpEventQueue();
-      // Keep paging until the cubit says there is no more.
-      var guard = 0;
-      while (cubit.state.canLoadMore && guard++ < 20) {
-        await cubit.loadNextPage();
-      }
-      expect(cubit.state.offers, hasLength(OffersCubit.maxOffersKept));
-      expect(cubit.state.canLoadMore, isFalse);
-      await cubit.close();
-    });
-
-    test('offers are de-duplicated across pages by (author, id)', () async {
-      // Two pages that overlap on the boundary id must not double it.
-      final cubit = OffersCubit(PaginatingOfferTransport(150));
-      await cubit.discover('sp3');
-      await pumpEventQueue();
-      await cubit.loadNextPage();
-      final ids = cubit.state.offers.map((o) => o.id).toList();
-      expect(ids.toSet(), hasLength(ids.length)); // no duplicates
-      expect(cubit.state.offers, hasLength(150));
-      await cubit.close();
-    });
-  });
 }

apps/app_seeds/test/ui/inventory_list_lazy_test.dart

@@ -1,45 +0,0 @@
-import 'package:flutter/material.dart';
-import 'package:flutter_test/flutter_test.dart';
-import 'package:tane/ui/inventory_list_screen.dart';
-
-import '../support/test_support.dart';
-
-/// The inventory list must render lazily: with a large catalogue only the tiles
-/// near the viewport are built, not one widget per row. Guards the regression
-/// from `ListView(children: …)` (every tile built upfront) back in.
-void main() {
-  testWidgets('builds only the on-screen tiles for a large inventory',
-      (tester) async {
-    final db = newTestDatabase();
-    final repo = newTestRepository(db);
-    // Enough rows that an eager list would build hundreds of tiles at once.
-    for (var i = 0; i < 300; i++) {
-      await repo.addQuickVariety(
-        label: 'Variety ${i.toString().padLeft(3, '0')}',
-        category: i.isEven ? 'Poaceae' : 'Fabaceae',
-      );
-    }
-
-    await tester.pumpWidget(
-      wrapScreen(repository: repo, child: const InventoryListScreen()),
-    );
-    // Let the debounced inventory stream emit and the async load resolve
-    // (bounded pumps — the screen holds a live Drift stream, so pumpAndSettle
-    // would hang; see testing.md).
-    await tester.pump();
-    await tester.pump(const Duration(milliseconds: 400));
-    await tester.pump(const Duration(milliseconds: 100));
-
-    // Every variety tile is a ListTile; a lazy list builds only a viewport-worth.
-    final built = find.byType(ListTile).evaluate().length;
-    expect(built, greaterThan(0), reason: 'the list rendered some tiles');
-    expect(
-      built,
-      lessThan(50),
-      reason: 'lazy list should build ~a screenful, not all 300 ($built built)',
-    );
-
-    await disposeTree(tester);
-    await db.close();
-  });
-}

docs/release.md

@@ -15,11 +15,7 @@ git tag v0.1.0 && git push origin v0.1.0
 ```
 
 Forgejo Actions ([`../.forgejo/workflows/release.yml`](../.forgejo/workflows/release.yml))
-builds the signed AAB/APK and uploads to Play's **production** track at **100%
-rollout**. No passwords are typed. Because a tag now publishes to everyone
-(subject to Google review), run the [manual smoke test](#manual-smoke-test-before-shipping)
-**before** tagging. To stage on the internal track first, run
-`bundle exec fastlane deploy_internal` by hand.
+builds the signed AAB/APK and uploads to Play's **internal** track. No passwords are typed.
 
 ## Versioning
 
@@ -127,24 +123,6 @@ listing (titles, descriptions, changelogs, screenshots) is read straight from
 `fastlane/metadata/android/`. Data Safety and content-rating answers:
 [`legal/internal/play-compliance.md`](legal/internal/play-compliance.md).
 
-Lanes:
-- `deploy_play` — upload the AAB to **production** at 100% (what CI runs on tag).
-- `deploy_internal` — same AAB to the **internal** test track (manual QA safety net).
-- `deploy_metadata` — push only the store listing (no binary).
-- `promote_production` — promote an internal release to production without a rebuild.
-
-### Country/region availability (Play Console, not this repo)
-
-Which countries the app is offered in is **not** in the repo and `fastlane supply`
-does not manage it — it's a Play Console setting. To add countries:
-**Play Console → (Tane) → Production → Countries / regions → Add countries/regions**
-(under "Availability"). Play asks you to pick countries when you first move a
-release to production; widen the list there for new markets.
-
-Note: the locales under `fastlane/metadata/android/<locale>` (`en-US`, `es-ES`)
-are **listing languages**, not countries — adding a locale improves the store
-page but does not by itself make the app available in a new country.
-
 ## Publish to F-Droid (official repo)
 
 F-Droid builds from source after a merge request to `fdroiddata`. The build recipe

packages/commons_core/lib/src/social/nostr/nostr_offer_transport.dart

@@ -13,12 +13,10 @@ class NostrOfferTransport implements OfferTransport {
   final NostrChannel _conn;
   final Nip99Codec _codec = Nip99Codec();
 
-  Filter _filter(DiscoveryQuery q, {int? since}) => Filter(
+  Filter _filter(DiscoveryQuery q) => Filter(
         kinds: const [Nip99Codec.kindActive],
         tagFilters: {'g': [q.geohashPrefix]},
         limit: q.limit,
-        since: since,
-        until: q.until,
       );
 
   @override
@@ -39,34 +37,11 @@ class NostrOfferTransport implements OfferTransport {
   }
 
   @override
-  Stream<Offer> discover(DiscoveryQuery query, {int? since}) => _conn
-      .subscribe(_filter(query, since: since))
+  Stream<Offer> discover(DiscoveryQuery query) => _conn
+      .subscribe(_filter(query))
       .map(_codec.decode)
       .where((o) => query.types.isEmpty || query.types.contains(o.type));
 
-  @override
-  Future<OfferPage> discoverPage(DiscoveryQuery query) async {
-    final events = await _conn.reqOnce(_filter(query))
-      // Newest first; the relays dedup within themselves and reqOnce dedups
-      // across them, but order is not guaranteed, so sort here.
-      ..sort((a, b) => b.createdAt.compareTo(a.createdAt));
-    final offers = <Offer>[];
-    for (final e in events) {
-      final offer = _codec.decode(e);
-      if (_matchesType(offer, query)) offers.add(offer);
-    }
-    // A full page means more may exist older than the oldest event we saw; a
-    // short page means we've reached the end. Base the cursor on ALL events
-    // (not just type-matched ones) so type filtering never makes us re-fetch.
-    final nextCursor = events.length >= query.limit && events.isNotEmpty
-        ? events.last.createdAt - 1
-        : null;
-    return OfferPage(offers: offers, nextCursor: nextCursor);
-  }
-
-  bool _matchesType(Offer o, DiscoveryQuery q) =>
-      q.types.isEmpty || q.types.contains(o.type);
-
   /// Collects matches up to EOSE (tests/one-shot browse).
   Future<List<Offer>> discoverUntilEose(DiscoveryQuery query) async {
     final events = await _conn.reqOnce(_filter(query));

packages/commons_core/lib/src/social/offer.dart

@@ -88,28 +88,10 @@ class DiscoveryQuery {
     required this.geohashPrefix,
     this.types = const {},
     this.limit = 100,
-    this.until,
   });
 
   /// Coarse geohash prefix to search near (e.g. "u09" ≈ tens of km).
   final String geohashPrefix;
   final Set<OfferType> types;
   final int limit;
-
-  /// Pagination cursor (NIP-01 `until`): return only offers published at or
-  /// before this Unix time (seconds). Null asks for the newest page. Comes from
-  /// the previous page's [OfferPage.nextCursor].
-  final int? until;
-}
-
-/// One page of discovered offers plus the cursor to fetch the next (older) page.
-class OfferPage {
-  const OfferPage({required this.offers, this.nextCursor});
-
-  /// The page's offers, newest first.
-  final List<Offer> offers;
-
-  /// Pass as the next query's [DiscoveryQuery.until] to page further back. Null
-  /// when the relays returned less than a full page — there is nothing older.
-  final int? nextCursor;
 }

packages/commons_core/lib/src/social/offer_transport.dart

@@ -13,16 +13,8 @@ abstract interface class OfferTransport {
   Future<PublishResult> publish(Offer offer);
 
   /// Streams offers matching [query]: stored matches first, then live ones,
-  /// until the caller cancels the subscription. Pass [since] (Unix seconds) to
-  /// stream only offers published after it — used to keep a live subscription
-  /// for NEW offers while older ones are browsed via [discoverPage].
-  Stream<Offer> discover(DiscoveryQuery query, {int? since});
-
-  /// Fetches ONE page of stored offers matching [query] (up to EOSE), newest
-  /// first, with a cursor to page further back. Bounded — unlike [discover] it
-  /// does not hold a live subscription — so the UI can scroll a large result
-  /// set without accumulating every offer in memory.
-  Future<OfferPage> discoverPage(DiscoveryQuery query);
+  /// until the caller cancels the subscription.
+  Stream<Offer> discover(DiscoveryQuery query);
 
   /// Retracts a previously published offer (relays that already replicated it
   /// drop it over time).

packages/commons_core/test/social/nostr_offer_transport_page_test.dart

@@ -1,109 +0,0 @@
-import 'package:commons_core/commons_core.dart';
-import 'package:nostr/nostr.dart';
-import 'package:test/test.dart';
-
-/// A stand-in relay channel: [reqOnce] honours the filter's `until` and `limit`
-/// (newest first), like a relay serving stored events, so [discoverPage]'s
-/// ordering and cursor maths can be asserted deterministically.
-class _FakeChannel implements NostrChannel {
-  _FakeChannel(this._events);
-
-  final List<Event> _events;
-
-  @override
-  Future<List<Event>> reqOnce(Filter filter) async {
-    final until = filter.until;
-    final matched = _events
-        .where((e) => until == null || e.createdAt <= until)
-        .toList()
-      ..sort((a, b) => b.createdAt.compareTo(a.createdAt));
-    return matched.take(filter.limit ?? matched.length).toList();
-  }
-
-  @override
-  String get privateKeyHex => '00' * 32;
-  @override
-  String get publicKeyHex => 'ab' * 32;
-  @override
-  Future<({bool accepted, String message})> publish(Event event) async =>
-      (accepted: true, message: '');
-  @override
-  Stream<Event> subscribe(Filter filter) => const Stream.empty();
-  @override
-  Future<void> close() async {}
-}
-
-Event _evt(String id, int createdAt, {String type = 'gift'}) => Event(
-      'evt-$id',
-      'ab' * 32,
-      createdAt,
-      Nip99Codec.kindActive,
-      [
-        ['d', id],
-        ['g', 'sp3e9'],
-        ['offer_type', type],
-        ['title', 'offer $id'],
-      ],
-      'offer $id',
-      '00' * 64,
-      verify: false,
-    );
-
-void main() {
-  group('NostrOfferTransport.discoverPage', () {
-    test('returns offers newest-first with a cursor to the older page',
-        () async {
-      final transport = NostrOfferTransport(_FakeChannel([
-        _evt('a', 100), // oldest
-        _evt('c', 300), // newest
-        _evt('b', 200),
-      ]));
-
-      final page1 = await transport.discoverPage(
-        const DiscoveryQuery(geohashPrefix: 'sp3e9', limit: 2),
-      );
-      // A full page (2 of the 3) sorted newest-first, with a cursor set.
-      expect(page1.offers.map((o) => o.id), ['c', 'b']);
-      expect(page1.nextCursor, 199, reason: 'oldest kept (200) minus one');
-
-      final page2 = await transport.discoverPage(
-        DiscoveryQuery(geohashPrefix: 'sp3e9', limit: 2, until: page1.nextCursor),
-      );
-      // Only the last one remains — a short page, so nothing older.
-      expect(page2.offers.map((o) => o.id), ['a']);
-      expect(page2.nextCursor, isNull);
-    });
-
-    test('a short first page reports no next cursor', () async {
-      final transport = NostrOfferTransport(_FakeChannel([
-        _evt('a', 100),
-        _evt('b', 200),
-      ]));
-      final page = await transport.discoverPage(
-        const DiscoveryQuery(geohashPrefix: 'sp3e9', limit: 100),
-      );
-      expect(page.offers, hasLength(2));
-      expect(page.nextCursor, isNull);
-    });
-
-    test('type filtering narrows the offers but not the cursor', () async {
-      // A full page of gifts with one sale mixed in; asking for sales only must
-      // still advance the cursor by the oldest EVENT seen, not the oldest match,
-      // so paging never skips unmatched offers.
-      final transport = NostrOfferTransport(_FakeChannel([
-        _evt('g1', 300),
-        _evt('s1', 200, type: 'sale'),
-        _evt('g2', 100),
-      ]));
-      final page = await transport.discoverPage(
-        const DiscoveryQuery(
-          geohashPrefix: 'sp3e9',
-          limit: 3,
-          types: {OfferType.sale},
-        ),
-      );
-      expect(page.offers.map((o) => o.id), ['s1']);
-      expect(page.nextCursor, 99, reason: 'oldest event (100) minus one');
-    });
-  });
-}