feat(mobile): read the per-language settings from get-language-state (M-08)

mobile/apps/subturtle/lib/features/me/me_screen.dart

@@ -473,7 +473,7 @@ class _LanguagePickerState extends State<_LanguagePicker> {
 class _LanguageGroups extends ConsumerWidget {
   const _LanguageGroups();
 
-  static const _perDay = [3, 5, 8, 10, 15];
+  static const _perDay = [3, 5, 8, 10, 15, 20, 30];
 
   @override
   Widget build(BuildContext context, WidgetRef ref) {
@@ -567,7 +567,8 @@ class _LanguageGroups extends ConsumerWidget {
             children: [
               Text('How many new $name phrases come from the Pool each day. This setting is for $name only.', style: StType.bodyMedium.copyWith(color: ctx.st.textMuted)),
               const SizedBox(height: 12),
-              for (final n in _perDay) ...[
+              // The current value is always a choice, even one set on the web.
+              for (final n in {..._perDay, ?current}.toList()..sort()) ...[
                 StLanguageOption(code: '$n', title: Fmt.plural(n, 'phrase'), selected: n == current, onTap: () => Navigator.pop(ctx, n)),
                 const SizedBox(height: 8),
               ],

mobile/apps/subturtle/test/fake_languages.dart

@@ -146,7 +146,8 @@ class FakeLanguageServer {
       } else {
         final level = (a['startLevel'] as String?) ?? 'A1';
         langs[code] = _Lang(code, level, (a['startLevelSource'] as String?) ?? 'default')
-          ..pack = _hasPack(code) ? 'offered' : 'none';
+          ..pack = _hasPack(code) ? 'offered' : 'none'
+          ..goals = [...?(a['goals'] as List?)?.cast<String>()];
       }
       pending = {...pending}..remove(code);
       active = code;
@@ -175,6 +176,7 @@ class FakeLanguageServer {
       final l = langs[a['language']]!;
       if (a['explanationLanguage'] != null) l.explanationLanguage = a['explanationLanguage'] as String;
       if (a['newPhrasesPerDay'] != null) l.newPerDay = a['newPhrasesPerDay'] as int;
+      if (a['goals'] != null) l.goals = (a['goals'] as List).cast<String>();
       return _wrapped();
     });
     on('set-translation-language', (a) {
@@ -284,7 +286,8 @@ class _Lang {
   String status = 'active';
   String pack = 'none';
   String? explanationLanguage;
-  int newPerDay = 10;
+  int newPerDay = 20;
+  List<String> goals = const [];
   final heard = <String>{};
   int heardToday = 0;
 
@@ -297,6 +300,11 @@ class _Lang {
         'phraseCount': phrases,
         'explanationLanguage': explanationLanguage ?? l1,
         'starterPack': {'state': pack, 'heard': heard.length, 'total': pack == 'none' ? 0 : 4},
+        // Per-language settings, as get-language-state returns them (#134).
+        'newPhrasesPerDay': newPerDay,
+        'poolChunkSize': 10,
+        'poolAgeCutoffDays': 14,
+        'goals': goals,
         if (status == 'removed') 'purgeAt': '2026-11-15T00:00:00.000Z',
       };
 }

mobile/apps/subturtle/test/languages_test.dart

@@ -370,6 +370,16 @@ void main() {
       expect(upd['explanationLanguage'], 'tr');
 
       await tester.scrollUntilVisible(find.text('New phrases a day'), 100);
+      // The current value from get-language-state (server default 20).
+      expect(find.descendant(of: find.ancestor(of: find.text('New phrases a day'), matching: find.byType(Row)).first, matching: find.text('20')), findsOneWidget);
+      await tester.tap(find.text('New phrases a day'));
+      await tester.settle();
+      expect(find.bySemanticsLabel(RegExp('^20 phrases.*active')), findsOneWidget, reason: 'the current value is ticked');
+      await tester.tap(find.text('5 phrases'));
+      await tester.settle();
+      expect(langs.langs['en']!.newPerDay, 5);
+      expect(find.descendant(of: find.ancestor(of: find.text('New phrases a day'), matching: find.byType(Row)).first, matching: find.text('5')), findsOneWidget);
+      // Again, to keep the original assertions below working.
       await tester.tap(find.text('New phrases a day'));
       await tester.settle();
       await tester.tap(find.text('5 phrases'));

mobile/packages/subturtle_api/lib/src/models/language.dart

@@ -271,6 +271,9 @@ class LanguageSummary {
     this.starterPack = const StarterPackSummary(),
     this.purgeAt,
     this.newPhrasesPerDay,
+    this.poolChunkSize,
+    this.poolAgeCutoffDays,
+    this.goals = const [],
   });
 
   final String code;
@@ -293,9 +296,17 @@ class LanguageSummary {
   /// When a removed language is deleted for good.
   final DateTime? purgeAt;
 
-  /// New phrases a day from the Pool, when the server sends it.
+  /// New phrases a day from the Pool (server default 20). Null on servers
+  /// that do not send it.
   final int? newPhrasesPerDay;
 
+  /// Pool settings of this language.
+  final int? poolChunkSize;
+  final int? poolAgeCutoffDays;
+
+  /// Why the learner studies it (`watch`, `work`, `travel`, `curious`).
+  final List<String> goals;
+
   bool get isActive => status == 'active';
   bool get isPaused => status == 'paused';
   bool get isRemoved => status == 'removed';
@@ -314,6 +325,9 @@ class LanguageSummary {
       starterPack: StarterPackSummary.fromJson(j['starterPack']),
       purgeAt: date(j['purgeAt']),
       newPhrasesPerDay: intOrNull(j['newPhrasesPerDay'] ?? asJson(j['settings'])['newPhrasesPerDay']),
+      poolChunkSize: intOrNull(j['poolChunkSize'] ?? asJson(j['settings'])['poolChunkSize']),
+      poolAgeCutoffDays: intOrNull(j['poolAgeCutoffDays'] ?? asJson(j['settings'])['poolAgeCutoffDays']),
+      goals: listOf(j['goals'], (e) => str(e)),
     );
   }
 }

mobile/packages/subturtle_api/test/language_test.dart

@@ -9,7 +9,7 @@ Map<String, dynamic> stateJson({String? active = 'de', String plan = 'reader', i
       'learningLanguage': active,
       'languages': [
         {'code': 'en', 'status': 'active', 'startLevel': 'B1', 'startLevelSource': 'test', 'dueCount': 12, 'phraseCount': 142, 'explanationLanguage': 'fa', 'starterPack': {'state': 'none', 'heard': 0, 'total': 0}},
-        {'code': 'de', 'status': 'active', 'startLevel': 'A1', 'startLevelSource': 'default', 'dueCount': 7, 'phraseCount': 38, 'explanationLanguage': 'fa', 'starterPack': {'state': 'in_progress', 'heard': 12, 'total': 150}},
+        {'code': 'de', 'status': 'active', 'startLevel': 'A1', 'startLevelSource': 'default', 'dueCount': 7, 'phraseCount': 38, 'explanationLanguage': 'fa', 'starterPack': {'state': 'in_progress', 'heard': 12, 'total': 150}, 'newPhrasesPerDay': 20, 'poolChunkSize': 10, 'poolAgeCutoffDays': 14, 'goals': ['watch']},
         {'code': 'it', 'status': 'paused', 'startLevel': 'A1', 'startLevelSource': 'default', 'dueCount': 0, 'phraseCount': 3, 'explanationLanguage': 'fa', 'starterPack': {'state': 'none', 'heard': 0, 'total': 0}},
         {'code': 'fr', 'status': 'removed', 'startLevel': 'A1', 'startLevelSource': 'default', 'dueCount': 0, 'phraseCount': 5, 'explanationLanguage': 'fa', 'purgeAt': '2026-11-15T00:00:00.000Z', 'starterPack': {'state': 'none', 'heard': 0, 'total': 0}},
         {'code': 'sv', 'status': 'purging', 'startLevel': 'A1', 'startLevelSource': 'default', 'dueCount': 0, 'phraseCount': 0},
@@ -36,6 +36,9 @@ void main() {
       expect(s.paused.single.code, 'it');
       expect(s.removed.single.purgeAt, isNotNull);
       expect(s.summaryOf('de')!.starterPack.heard, 12);
+      final de = s.summaryOf('de')!;
+      expect([de.newPhrasesPerDay, de.poolChunkSize, de.poolAgeCutoffDays], [20, 10, 14]);
+      expect(de.goals, ['watch']);
       expect(s.summaryOf('en')!.fromTest, isTrue);
       expect(s.used, 2);
       expect(s.atLimit, isFalse);

mobile/packages/subturtle_api/test/live_server_test.dart

@@ -62,6 +62,11 @@ void main() {
 
     s = await api.languages.updateSettings('de', explanationLanguage: 'fa');
     expect(s.summaryOf('de')!.explanationLanguage, 'fa');
+    // Per-language settings come back with the state (server #134).
+    expect(s.summaryOf('de')!.newPhrasesPerDay, isNotNull);
+    s = await api.languages.updateSettings('de', newPhrasesPerDay: 8);
+    expect(s.summaryOf('de')!.newPhrasesPerDay, 8);
+    expect(s.summaryOf('de')!.goals, ['watch']);
 
     expect(await api.languages.setInterest('pt', on: true), isTrue);