完善跑马面板与控制器逻辑

resources/views/chat/partials/games/horse-race-panel.blade.php

@@ -419,6 +419,31 @@
             // 历史记录
             history: [],
 
+            /**
+             * 读取赛马接口 JSON；若后端返回了 HTML/警告页，则抛出可诊断错误。
+             *
+             * @param {string} url 请求地址
+             * @param {RequestInit} options fetch 选项
+             * @returns {Promise<any>}
+             */
+            async requestJson(url, options = {}) {
+                const response = await fetch(url, {
+                    headers: {
+                        'Accept': 'application/json',
+                        ...(options.headers || {}),
+                    },
+                    ...options,
+                });
+                const rawText = await response.text();
+
+                try {
+                    return JSON.parse(rawText);
+                } catch (error) {
+                    const preview = rawText.slice(0, 160).replace(/\s+/g, ' ').trim();
+                    throw new Error(`赛马接口未返回 JSON（${response.status}）: ${preview}`);
+                }
+            },
+
             /**
              * 同步全局聊天上下文中的金币余额，供弹窗右上角与其他面板共用。
              */
@@ -510,8 +535,7 @@
              */
             async loadCurrentRace() {
                 try {
-                    const res = await fetch('/horse-race/current');
-                    const data = await res.json();
+                    const data = await this.requestJson('/horse-race/current');
                     // 每次打开或刷新当前场次时，都先同步右上角金币余额。
                     this.syncUserGold(data.jjb);
                     if (data.race) {
@@ -653,8 +677,7 @@
              */
             async loadHistory() {
                 try {
-                    const res = await fetch('/horse-race/history');
-                    const data = await res.json();
+                    const data = await this.requestJson('/horse-race/history');
                     this.history = (data.history || []).reverse();
                 } catch {}
             },
@@ -684,8 +707,7 @@
              */
             async openFromHall() {
                 try {
-                    const res = await fetch('/horse-race/current');
-                    const data = await res.json();
+                    const data = await this.requestJson('/horse-race/current');
                     this.syncUserGold(data.jjb);
                     if (data.race) {
                         const race = data.race;
@@ -765,17 +787,15 @@
     /** 页面加载时恢复进行中的场次 */
     document.addEventListener('DOMContentLoaded', async () => {
         try {
-            const histRes = await fetch('/horse-race/history');
-            const histData = await histRes.json();
             const panel = document.getElementById('horse-race-panel');
+            const histData = panel ? await Alpine.$data(panel).requestJson('/horse-race/history') : { history: [] };
             const fab = document.getElementById('horse-race-fab');
 
             if (panel) {
                 Alpine.$data(panel).history = (histData.history || []).reverse();
             }
 
-            const curRes = await fetch('/horse-race/current');
-            const curData = await curRes.json();
+            const curData = panel ? await Alpine.$data(panel).requestJson('/horse-race/current') : { race: null };
             if (panel) {
                 Alpine.$data(panel).syncUserGold(curData.jjb);
             }