feat: 猜成语游戏 - 完整题库、管理后台、答题弹窗

- 创建 idioms 表（102条谜语式成语题库）和 idiom_game_rounds 表
- 后台成语管理页面：增删改题目 + 游戏参数（金币/经验/间隔）内联设置 + 出题按钮
- IdiomQuizController：出题/答题/当前回合查询，Redis 防并发抢答
- IdiomGameStarted / IdiomGameAnswered 广播事件
- 前端答题弹窗模块：聊天消息带【答题】按钮，点击弹出输入框
- GameConfig 注册 idiom 游戏，由 admin.game-configs 统一管理开关

routes/web.php

@@ -274,6 +274,7 @@ Route::middleware(['chat.auth'])->group(function () {
             'fishing' => \App\Models\GameConfig::isEnabled('fishing'),
             'lottery' => \App\Models\GameConfig::isEnabled('lottery'),
             'gomoku' => \App\Models\GameConfig::isEnabled('gomoku'),
+            'idiom' => \App\Models\GameConfig::isEnabled('idiom'),
         ]);
     })->name('games.enabled');
 
@@ -291,6 +292,13 @@ Route::middleware(['chat.auth'])->group(function () {
         ->middleware('throttle:chat-send')
         ->name('chat.pat');
 
+    // 猜成语游戏
+    Route::prefix('idiom-quiz')->name('idiom-quiz.')->group(function () {
+        Route::post('/start', [\App\Http\Controllers\IdiomQuizController::class, 'start'])->name('start');
+        Route::post('/answer', [\App\Http\Controllers\IdiomQuizController::class, 'answer'])->name('answer');
+        Route::get('/current', [\App\Http\Controllers\IdiomQuizController::class, 'current'])->name('current');
+    });
+
     // 挂机心跳存点 (限制每分钟最多调用 6 次防止挂机脚本滥用)
     Route::post('/room/{id}/heartbeat', [ChatController::class, 'heartbeat'])
         ->middleware('throttle:6,1')
@@ -581,6 +589,16 @@ Route::middleware(['chat.auth', 'chat.has_position'])->prefix('admin')->name('ad
             Route::post('/{fishing}/toggle', [\App\Http\Controllers\Admin\FishingEventController::class, 'toggle'])->name('toggle');
             Route::delete('/{fishing}', [\App\Http\Controllers\Admin\FishingEventController::class, 'destroy'])->name('destroy');
         });
+
+            // ── 猜成语题库 ──
+            Route::prefix('idioms')->name('idioms.')->group(function () {
+                Route::get('/', [\App\Http\Controllers\Admin\IdiomController::class, 'index'])->name('index');
+                Route::post('/', [\App\Http\Controllers\Admin\IdiomController::class, 'store'])->name('store');
+                Route::put('/{idiom}', [\App\Http\Controllers\Admin\IdiomController::class, 'update'])->name('update');
+                Route::post('/{idiom}/toggle', [\App\Http\Controllers\Admin\IdiomController::class, 'toggle'])->name('toggle');
+                Route::delete('/{idiom}', [\App\Http\Controllers\Admin\IdiomController::class, 'destroy'])->name('destroy');
+                Route::post('/settings', [\App\Http\Controllers\Admin\IdiomController::class, 'saveSettings'])->name('settings.save');
+            });
     });
 
     // ──────────────────────────────────────────────────────────────