增强后端 TypeScript 严格类型检查

apps/backend/src/routes/admin/session.ts

@@ -123,5 +123,13 @@ export function extractBearerToken(req: Request): string {
     })
   }
 
-  return matched[1]
+  const token = matched[1]?.trim()
+  if (!token) {
+    throw createHttpError('未登录或登录已失效', {
+      statusCode: 401,
+      errorCode: 'admin_auth_required',
+    })
+  }
+
+  return token
 }