fix: 自动恢复失效令牌并保留身份入口

scripts/test_identity_recovery.cjs

@@ -0,0 +1,15 @@
+const assert = require("node:assert/strict");
+const fs = require("node:fs");
+const path = require("node:path");
+
+const root = path.resolve(__dirname, "..");
+const nav = fs.readFileSync(path.join(root, "src/components/xingbang/AgentNav.tsx"), "utf8");
+const selector = fs.readFileSync(path.join(root, "src/components/xingbang/IdentitySelector.tsx"), "utf8");
+
+assert.match(nav, /response\.status===401/, "导航应识别无效访问令牌");
+assert.match(nav, /removeItem\("xingbang-access-token"\)/, "无效旧令牌应自动清理");
+assert.match(nav, /setItem\("xingbang-demo-role","manager"\)/, "清理后应恢复到客户经理演示身份");
+assert.match(nav, /pending=\{!identity\}/, "身份连接失败时仍应显示身份选择入口");
+assert.match(selector, /pending&&<option value="" disabled>选择身份<\/option>/, "待连接状态应给出明确的身份选择提示");
+
+console.log("Identity recovery behavior checks passed");