feat: Flutter client localisation (12 languages)

Add flutter_localizations + intl, 12 ARB files (en/ru/es/de/fr/it/pt/zh/ja/ko/ar/hi),
replace all hardcoded Russian UI strings with AppLocalizations, detect system locale
on first launch, localise bottom nav bar labels, document rule in CLAUDE.md.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

client/lib/features/scan/recognition_history_screen.dart

@@ -1,21 +1,23 @@
 import 'package:flutter/material.dart';
+import 'package:food_ai/l10n/app_localizations.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 
 import '../home/home_provider.dart';
 import '../scan/dish_result_screen.dart';
 import 'recognition_service.dart';
 
-/// Full-screen page showing all of today's unlinked dish recognition jobs.
+/// Full-screen page showing all dish recognition jobs.
 class RecognitionHistoryScreen extends ConsumerWidget {
   const RecognitionHistoryScreen({super.key});
 
   @override
   Widget build(BuildContext context, WidgetRef ref) {
-    final jobsState = ref.watch(todayJobsProvider);
+    final l10n = AppLocalizations.of(context)!;
+    final jobsState = ref.watch(allJobsProvider);
 
     return Scaffold(
       appBar: AppBar(
-        title: const Text('История распознавания'),
+        title: Text(l10n.historyTitle),
       ),
       body: jobsState.when(
         loading: () => const Center(child: CircularProgressIndicator()),
@@ -23,20 +25,18 @@ class RecognitionHistoryScreen extends ConsumerWidget {
           child: Column(
             mainAxisSize: MainAxisSize.min,
             children: [
-              const Text('Не удалось загрузить историю'),
+              Text(l10n.historyLoadError),
               const SizedBox(height: 12),
               FilledButton(
-                onPressed: () => ref.invalidate(todayJobsProvider),
-                child: const Text('Повторить'),
+                onPressed: () => ref.invalidate(allJobsProvider),
+                child: Text(l10n.retry),
               ),
             ],
           ),
         ),
         data: (jobs) {
           if (jobs.isEmpty) {
-            return const Center(
-              child: Text('Нет распознаваний за сегодня'),
-            );
+            return Center(child: Text(l10n.noHistory));
           }
           return ListView.separated(
             padding: const EdgeInsets.all(16),
@@ -58,6 +58,7 @@ class _HistoryJobTile extends ConsumerWidget {
 
   @override
   Widget build(BuildContext context, WidgetRef ref) {
+    final l10n = AppLocalizations.of(context)!;
     final theme = Theme.of(context);
 
     final isDone = job.status == 'done';
@@ -84,11 +85,11 @@ class _HistoryJobTile extends ConsumerWidget {
 
     final String titleText;
     if (isDone) {
-      titleText = dishName ?? 'Блюдо распознано';
+      titleText = dishName ?? l10n.dishRecognized;
     } else if (isProcessing) {
-      titleText = 'Распознаётся…';
+      titleText = l10n.recognizing;
     } else {
-      titleText = 'Ошибка распознавания';
+      titleText = l10n.recognitionError;
     }
 
     final contextParts = [
@@ -118,6 +119,8 @@ class _HistoryJobTile extends ConsumerWidget {
                     dish: job.result!,
                     preselectedMealType: job.targetMealType,
                     jobId: job.id,
+                    targetDate: job.targetDate,
+                    createdAt: job.createdAt,
                     onAdded: () => Navigator.pop(sheetContext),
                   ),
                 );