R81 增加企微回调身份诊断

server/src/routes/wecomAuth.js

@@ -363,11 +363,25 @@ async function wecomAuthRoutes(fastify) {
     const returnTo = sanitizeReturnTo(ctx.returnTo, fastify.config, request);
     const profile = await exchangeWecomCode(fastify.config, code);
     if (!profile.externalUserId) {
+      request.log.warn(
+        {
+          requestId: request.id,
+          mode,
+          hasUserId: false,
+          hasOpenId: Boolean(profile.externalOpenUserId),
+          hasDeviceId: Boolean(profile.deviceId),
+        },
+        "wecom callback missing internal user id",
+      );
       throw new AppError({
         code: "AUTH_003",
         message: "企业微信认证失败",
         statusCode: 401,
-        details: { wecom: "missing_user_id" },
+        details: {
+          wecom: "missing_user_id",
+          hasOpenId: Boolean(profile.externalOpenUserId),
+          mode,
+        },
       });
     }