修复未登录时 API 返回 HTML 导致期权链 JSON 解析失败。

API 统一返回 401 JSON，并改进前端非 JSON 错误提示。

Co-authored-by: Cursor <cursoragent@cursor.com>

lib/common/static/options_panel.js

@@ -78,7 +78,21 @@
 
   async function apiJson(url, opts) {
     const r = await fetch(url, Object.assign({ credentials: "same-origin" }, opts || {}));
-    return r.json();
+    const text = await r.text();
+    let data = null;
+    try {
+      data = text ? JSON.parse(text) : null;
+    } catch (e) {
+      if (/\/login/i.test(r.url || "") || /^\s*<!doctype/i.test(text) || /^\s*<html/i.test(text)) {
+        throw new Error("未登录或会话过期,请从中控重新打开工作台");
+      }
+      const snip = String(text || "").replace(/\s+/g, " ").slice(0, 100);
+      throw new Error("接口返回非 JSON(HTTP " + r.status + ")" + (snip ? ": " + snip : ""));
+    }
+    if (r.status === 401) {
+      throw new Error((data && data.msg) || "未登录或会话过期,请从中控重新打开工作台");
+    }
+    return data;
   }
 
   function orderPanel() {

lib/options/templates/options_panel.html

@@ -355,4 +355,4 @@
     </div>
 </div>
 <script src="/static/options_expiry_countdown.js?v=1"></script>
-<script src="/static/options_panel.js?v=65"></script>
+<script src="/static/options_panel.js?v=66"></script>