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

resources/js/chat-room/chat-events.js

@@ -366,6 +366,41 @@ export function bindChatEvents() {
         }
         enqueueChatMessage(msg);
 
+        // 猜成语消息：追加【答题】按钮
+        if (msg.idom_game_round_id || msg.idiom_game_round_id) {
+            const roundId = msg.idom_game_round_id || msg.idiom_game_round_id;
+            const hint = msg.content || "";
+            const rewardGold = msg.idiom_reward_gold || 0;
+            const rewardExp = msg.idiom_reward_exp || 0;
+
+            // 延迟等消息渲染完成再追加按钮
+            setTimeout(() => {
+                const containers = [
+                    document.getElementById("chat-messages-container"),
+                    document.getElementById("chat-messages-container2"),
+                ];
+                containers.forEach((container) => {
+                    if (!container) return;
+                    const lastMsg = container.lastElementChild;
+                    if (!lastMsg || lastMsg.querySelector("[data-idiom-answer-btn]")) return;
+                    if (lastMsg.dataset.fromUser !== "星海小博士") return;
+
+                    const btn = document.createElement("button");
+                    btn.type = "button";
+                    btn.dataset.idiomAnswerBtn = String(roundId);
+                    btn.dataset.idiomHint = hint;
+                    btn.dataset.idiomGold = String(rewardGold);
+                    btn.dataset.idiomExp = String(rewardExp);
+                    btn.textContent = "🎯 答题";
+                    btn.style.cssText =
+                        "margin-left:8px;padding:2px 12px;background:linear-gradient(135deg,#7c3aed,#a78bfa);" +
+                        "color:#fff;border:none;border-radius:999px;font-size:11px;cursor:pointer;" +
+                        "font-weight:bold;vertical-align:middle;";
+                    lastMsg.appendChild(btn);
+                });
+            }, 50);
+        }
+
         if (msg.action === "vip_presence" && typeof window.showVipPresenceBanner === "function") {
             window.showVipPresenceBanner(msg);
         }
@@ -470,6 +505,20 @@ export function bindChatEvents() {
         }
     });
 
+    // chat:idiom-started — 猜成语出题
+    window.addEventListener("chat:idiom-started", (e) => {
+        if (typeof window.handleIdiomGameStarted === "function") {
+            window.handleIdiomGameStarted(e);
+        }
+    });
+
+    // chat:idiom-answered — 猜成语答题结果
+    window.addEventListener("chat:idiom-answered", (e) => {
+        if (typeof window.handleIdiomGameAnswered === "function") {
+            window.handleIdiomGameAnswered(e);
+        }
+    });
+
     // Echo 级监听器（延迟绑定，等待 Echo 就绪）
     document.addEventListener("DOMContentLoaded", () => {
         setupScreenClearedListener();