From 73a56aeeb1b92cafb1ace631cec9752fed37d593 Mon Sep 17 00:00:00 2001
From: airkjw <airkjw@gmail.com>
Date: Fri, 12 Jun 2026 13:24:14 +0900
Subject: [PATCH] perf: async cache reads in content repository

---
 lib/data/content_repository.dart | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/lib/data/content_repository.dart b/lib/data/content_repository.dart
index c86d206..76e2848 100644
--- a/lib/data/content_repository.dart
+++ b/lib/data/content_repository.dart
@@ -26,12 +26,12 @@ class ContentRepository {
     return SeasonPack.fromJson(jsonDecode(raw) as Map<String, dynamic>);
   }
 
-  SeasonPack? _loadCachedSeason(Directory dir) {
+  Future<SeasonPack?> _loadCachedSeason(Directory dir) async {
     try {
       final file = File('${dir.path}/pack.json');
-      if (!file.existsSync()) return null;
+      if (!await file.exists()) return null;
       return SeasonPack.fromJson(
-          jsonDecode(file.readAsStringSync()) as Map<String, dynamic>);
+          jsonDecode(await file.readAsString()) as Map<String, dynamic>);
     } catch (_) {
       return null; // Corrupt or future-schema pack: ignore.
     }
@@ -51,9 +51,10 @@ class ContentRepository {
 
     final seasonsDir =
         cacheDir == null ? null : Directory('${cacheDir!.path}/seasons');
-    if (seasonsDir != null && seasonsDir.existsSync()) {
-      for (final entry in seasonsDir.listSync().whereType<Directory>()) {
-        final pack = _loadCachedSeason(entry);
+    if (seasonsDir != null && await seasonsDir.exists()) {
+      await for (final entry in seasonsDir.list()) {
+        if (entry is! Directory) continue;
+        final pack = await _loadCachedSeason(entry);
         if (pack != null) byId[pack.seasonId] = pack;
       }
     }