refactor: 重构项目路由与模块结构，统一发现页命名与路径

1. 全局替换tool_center/inspiration为discover模块，统一路由路径
2. 调整AppRoutes路由常量，将discover作为主Tab页，inspiration作为子页面
3. 更新页面注册表与路由配置，修正跳转目标
4. 调整启动页可选配置项，修正路由ID对应关系
5. 新增翻译服务、内容发现、热搜相关工具类与数据模型
6. 修复缓存清理后未刷新统计的问题，调整x86_64架构注释
7. 更新AGENTS.md文档约束规则
8. 新增一批调试用截图资源文件

lib/shared/widgets/media/safe_cached_image.dart

@@ -1,10 +1,10 @@
 /// ============================================================
 /// 闲言APP — 安全缓存图片组件 + 容错缓存管理器
 /// 创建时间: 2026-05-23
-/// 更新时间: 2026-05-27
+/// 更新时间: 2026-05-28
 /// 作用: 替代 CachedNetworkImage，增加URL校验+数据库异常降级处理
 ///       防止超长/非法URL导致 flutter_cache_manager 内部 SQLite 只读异常
-/// 上次更新: 集成ShimmerPlaceholder骨架屏占位+错误占位shimmer风格
+/// 上次更新: 修复11-octo_image断言失败(移除placeholder与progressIndicatorBuilder冲突)
 /// ============================================================
 
 import 'dart:convert';
@@ -145,11 +145,6 @@ class _SafeCachedImageState extends State<SafeCachedImage> {
       fadeOutDuration: widget.fadeOutDuration ?? Duration.zero,
       memCacheWidth: _effectiveCacheWidth,
       memCacheHeight: _effectiveCacheHeight,
-      placeholder: widget.placeholder ??
-          (context, url) => ShimmerPlaceholder.image(
-                width: widget.width,
-                height: widget.height,
-              ),
       progressIndicatorBuilder: (context, url, progress) {
         final downloaded = progress.downloaded;
         final totalSize = progress.totalSize;
@@ -168,10 +163,11 @@ class _SafeCachedImageState extends State<SafeCachedImage> {
             ],
           );
         }
-        return ShimmerPlaceholder.image(
-          width: widget.width,
-          height: widget.height,
-        );
+        return widget.placeholder?.call(context, url) ??
+            ShimmerPlaceholder.image(
+              width: widget.width,
+              height: widget.height,
+            );
       },
       imageBuilder: (context, imageProvider) {
         widget.onLoaded?.call();

lib/shared/widgets/plugin/pinyin_annotation_text.dart

@@ -0,0 +1,158 @@
+/// ============================================================
+/// 闲言APP — 拼音注音文本组件
+/// 创建时间: 2026-05-28
+/// 更新时间: 2026-05-28
+/// 作用: 在汉字上方显示带音调的拼音标注，支持逐字注音
+/// 上次更新: 初始创建
+/// ============================================================
+
+import 'package:flutter/cupertino.dart';
+import 'package:pinyin/pinyin.dart';
+
+import '../../../core/theme/app_typography.dart';
+
+// ============================================================
+// 拼音缓存
+// ============================================================
+
+final Map<String, String> _pinyinCache = {};
+
+String _getPinyinWithTone(String char) {
+  return _pinyinCache.putIfAbsent(
+    char,
+    () => PinyinHelper.getPinyin(char, format: PinyinFormat.WITH_TONE_MARK),
+  );
+}
+
+bool _isChinese(String char) {
+  final code = char.codeUnitAt(0);
+  return code >= 0x4E00 && code <= 0x9FFF;
+}
+
+// ============================================================
+// 拼音注音文本组件
+// ============================================================
+
+class PinyinAnnotationText extends StatelessWidget {
+  const PinyinAnnotationText({
+    super.key,
+    required this.text,
+    required this.showPinyin,
+    this.textStyle,
+    this.pinyinStyle,
+    this.maxLines,
+    this.overflow,
+  });
+
+  final String text;
+  final bool showPinyin;
+  final TextStyle? textStyle;
+  final TextStyle? pinyinStyle;
+  final int? maxLines;
+  final TextOverflow? overflow;
+
+  @override
+  Widget build(BuildContext context) {
+    if (!showPinyin || text.isEmpty) {
+      return Text(
+        text,
+        style: textStyle ?? AppTypography.body,
+        maxLines: maxLines,
+        overflow: overflow,
+      );
+    }
+
+    return _PinyinAnnotatedContent(
+      text: text,
+      textStyle: textStyle ?? AppTypography.body,
+      pinyinStyle: pinyinStyle ??
+          AppTypography.caption2.copyWith(
+            fontSize: 9,
+            height: 1.1,
+            letterSpacing: 0.2,
+          ),
+    );
+  }
+}
+
+// ============================================================
+// 逐字注音内容渲染
+// ============================================================
+
+class _PinyinAnnotatedContent extends StatelessWidget {
+  const _PinyinAnnotatedContent({
+    required this.text,
+    required this.textStyle,
+    required this.pinyinStyle,
+  });
+
+  final String text;
+  final TextStyle textStyle;
+  final TextStyle pinyinStyle;
+
+  @override
+  Widget build(BuildContext context) {
+    final children = <Widget>[];
+    final buffer = <String>[];
+
+    for (int i = 0; i < text.length; i++) {
+      final char = text[i];
+      if (_isChinese(char)) {
+        if (buffer.isNotEmpty) {
+          children.add(Text(buffer.join(), style: textStyle));
+          buffer.clear();
+        }
+        children.add(_AnnotatedChar(
+          char: char,
+          textStyle: textStyle,
+          pinyinStyle: pinyinStyle,
+        ));
+      } else {
+        buffer.add(char);
+      }
+    }
+
+    if (buffer.isNotEmpty) {
+      children.add(Text(buffer.join(), style: textStyle));
+    }
+
+    return Wrap(
+      crossAxisAlignment: WrapCrossAlignment.end,
+      runSpacing: 2,
+      children: children,
+    );
+  }
+}
+
+// ============================================================
+// 单个注音字符 — 拼音在上，汉字在下
+// ============================================================
+
+class _AnnotatedChar extends StatelessWidget {
+  const _AnnotatedChar({
+    required this.char,
+    required this.textStyle,
+    required this.pinyinStyle,
+  });
+
+  final String char;
+  final TextStyle textStyle;
+  final TextStyle pinyinStyle;
+
+  @override
+  Widget build(BuildContext context) {
+    final pinyin = _getPinyinWithTone(char);
+
+    return Padding(
+      padding: const EdgeInsets.only(right: 0.5),
+      child: Column(
+        mainAxisSize: MainAxisSize.min,
+        children: [
+          Text(pinyin, style: pinyinStyle),
+          const SizedBox(height: 0),
+          Text(char, style: textStyle),
+        ],
+      ),
+    );
+  }
+}

lib/shared/widgets/plugin/translate_sheet.dart

@@ -22,8 +22,8 @@ import 'package:xianyan/core/services/audio/tts_service.dart';
 import 'package:xianyan/core/services/audio/online_tts_service.dart';
 import 'package:xianyan/core/storage/database/app_database.dart';
 import 'package:drift/drift.dart' show Value;
-import 'package:xianyan/features/tool_center/inspiration/services/translate_api_service.dart';
-import 'package:xianyan/features/tool_center/inspiration/models/translate_language.dart';
+import 'package:xianyan/features/discover/services/translate_api_service.dart';
+import 'package:xianyan/features/discover/models/translate_language.dart';
 import 'package:xianyan/features/mine/settings/providers/plugin_provider.dart';
 import 'package:xianyan/features/mine/settings/providers/translate_engine_provider.dart';
 import 'package:xianyan/shared/widgets/containers/bottom_sheet.dart';

lib/shared/widgets/wallpaper_gallery/wallpaper_gallery_view.dart

@@ -1,10 +1,10 @@
 /// ============================================================
 /// 闲言APP — 壁纸公共组件主体
 /// 创建时间: 2026-05-04
-/// 更新时间: 2026-05-25
+/// 更新时间: 2026-05-28
 /// 作用: 壁纸图库公共视图 — 支持drawer(编辑器抽屉)/fullscreen(发现页)双模式
 ///       统一数据源 + 瀑布流 + 已加载优先 + 分类"全部" + URL三级回退 + 无限下拉加载
-/// 上次更新: 修复9-壁纸卡死(移除_sortLoadedFirst阻塞式缓存检查+防抖排序+并发限制)
+/// 上次更新: 修复10-壁纸ANR卡死(全局超时20s+渐进式加载+增强异常处理+快速失败)
 /// ============================================================
 
 import 'dart:async';
@@ -121,9 +121,31 @@ class _WallpaperGalleryViewState extends State<WallpaperGalleryView> {
 
     try {
       if (_isAllSources) {
-        await _loadAllSources(reset: reset);
+        await _loadAllSources(reset: reset).timeout(
+          const Duration(seconds: 20),
+          onTimeout: () {
+            if (!mounted) return;
+            setState(() {
+              _isLoading = false;
+              if (_items.isEmpty) {
+                _errorMessage = '加载超时，部分源可能不可用';
+              }
+            });
+          },
+        );
       } else {
-        await _loadSingleSource(reset: reset);
+        await _loadSingleSource(reset: reset).timeout(
+          const Duration(seconds: 15),
+          onTimeout: () {
+            if (!mounted) return;
+            setState(() {
+              _isLoading = false;
+              if (_items.isEmpty) {
+                _errorMessage = '加载超时，请检查网络后重试';
+              }
+            });
+          },
+        );
       }
     } catch (e) {
       Log.e('壁纸加载异常', e);
@@ -131,7 +153,9 @@ class _WallpaperGalleryViewState extends State<WallpaperGalleryView> {
       setState(() {
         _isLoading = false;
         if (reset) _items = [];
-        _errorMessage = '加载失败，请重试';
+        if (_items.isEmpty) {
+          _errorMessage = '加载失败，请重试';
+        }
       });
     }
   }
@@ -194,57 +218,76 @@ class _WallpaperGalleryViewState extends State<WallpaperGalleryView> {
   Future<void> _loadAllSources({bool reset = true}) async {
     final page = _allSourcesPageIndex;
 
-    // 修复7: 快速源第1批
-    final batch1Results = await _fetchBatch(_fastBatch1, page);
-    if (!mounted) return;
+    try {
+      // 修复7: 快速源第1批（核心源，必须快速返回）
+      final batch1Results = await _fetchBatch(_fastBatch1, page);
+      if (!mounted) return;
 
-    final batch1Items = _extractNewItems(batch1Results);
-    batch1Items.shuffle();
+      final batch1Items = _extractNewItems(batch1Results);
+      batch1Items.shuffle();
 
-    final batch1HasMore = _hasMorePages(batch1Results);
+      final batch1HasMore = _hasMorePages(batch1Results);
 
-    setState(() {
-      if (reset) {
-        _items = batch1Items;
-      } else {
-        _items.addAll(batch1Items);
-      }
-      _isLoading = false;
-      _hasMore = batch1HasMore;
-    });
-    _sortLoadedFirst();
-
-    // 修复7: 快速源第2批
-    final batch2Results = await _fetchBatch(_fastBatch2, page);
-    if (!mounted) return;
-
-    final batch2Items = _extractNewItems(batch2Results);
-    if (batch2Items.isNotEmpty) {
-      batch2Items.shuffle();
-      final batch2HasMore = _hasMorePages(batch2Results);
+      // 立即更新UI：只要有数据就显示，不要等待其他批次
       setState(() {
-        _items.addAll(batch2Items);
-        if (batch2HasMore) _hasMore = true;
+        if (reset) {
+          _items = batch1Items;
+        } else {
+          _items.addAll(batch1Items);
+        }
+        _isLoading = false;
+        _hasMore = batch1HasMore;
       });
-      _sortLoadedFirst();
-    }
 
-    // 修复6.1: 快速源全部超时/失败时设置错误提示
-    final allFastItems = [...batch1Items, ...batch2Items];
-    if (allFastItems.isEmpty) {
+      if (batch1Items.isNotEmpty) {
+        _errorMessage = null;
+        _sortLoadedFirst();
+      }
+
+      // 修复7: 快速源第2批（后台加载）
+      try {
+        final batch2Results = await _fetchBatch(_fastBatch2, page);
+        if (!mounted) return;
+
+        final batch2Items = _extractNewItems(batch2Results);
+        if (batch2Items.isNotEmpty) {
+          batch2Items.shuffle();
+          final batch2HasMore = _hasMorePages(batch2Results);
+          setState(() {
+            _items.addAll(batch2Items);
+            if (batch2HasMore) _hasMore = true;
+          });
+          _sortLoadedFirst();
+          if (_items.isNotEmpty) _errorMessage = null;
+        }
+      } catch (e) {
+        Log.w('快速源第2批加载失败(非致命)', e);
+      }
+
+      // 修复6.1: 检查是否所有快速源都失败
+      if (_items.isEmpty && !_isLoading) {
+        if (!mounted) return;
+        setState(() {
+          _errorMessage = '网络连接超时，请检查网络后重试';
+        });
+      }
+
+      _allSourcesPageIndex++;
+
+      // 慢源后台加载（不阻塞UI）
+      _loadSlowSources(page: page).catchError((Object e) {
+        Log.e('慢源加载异常(已捕获)', e);
+      });
+    } catch (e) {
+      Log.e('快速源加载异常', e);
       if (!mounted) return;
       setState(() {
-        _errorMessage = '网络连接超时，请检查网络后重试';
+        _isLoading = false;
+        if (_items.isEmpty) {
+          _errorMessage = '核心壁纸源不可用，请稍后重试';
+        }
       });
-    } else {
-      _errorMessage = null;
     }
-
-    _allSourcesPageIndex++;
-
-    _loadSlowSources(page: page).catchError((Object e) {
-      Log.e('慢源加载异常(已捕获)', e);
-    });
   }
 
   Future<void> _loadSlowSources({required int page}) async {