fix(ncm): weapi挂死根因修复 (agent-207, 6缺陷叠加) — ①超时改CLOCK_MONOTONIC(墙钟NTP回拨致poll超长阻塞) ②响应头解析隔行跳行漏Content-Length ③请求头缓冲1KB→8KB ④cookie值截断192B致MUSIC_U不完整被当游客(改ptr+len不截断+按名去重) ⑤split处NUL覆盖body首字节 ⑥Content-Length:0直接DONE; status_check硬上限6s; 803后worker线程取uid/nick落盘(修uid恒空)

ncm→bf6d2a79 已部署; 真机1次验证(风控合规): status_check 721ms rc=0 uid=408996274; user_playlist 2.5s rc=0 count=64

patch_v2/ncm_app/app/ui/login.c

@@ -123,13 +123,17 @@ static void *login_worker(void *arg)
             meow_log(MEOW_LOG_INFO, "login: 803 confirmed, saving cookie");
             ncm_strlcpy(cookie, out_cookie, sizeof cookie);
             ncm_ctx_set_cookie(&g_st.ctx, cookie);
-            /* 先落登录态并放行跳页（真机联调 2026-08-31：status_check 在 weapi 读响应时
-             * 挂死（HTTP 读循环超时未生效），把跳页卡在登录页。昵称是装饰信息，
-             * 先跳 home（歌单请求会独立验证 cookie），status_check 留待修复后恢复。） */
-            appstate_set_logged_in("", "");
+            /* 803 后同步取 uid/nickname 并落盘（weapi 已修复：不再挂死、cookie 全量且去重发送，
+             * 服务端认可会话）。此处在 worker 线程执行（不卡 UI）；失败不阻断跳页——home 加载
+             * 时 appstate_ensure_uid 会再验一次（也设了硬超时上限，不阻塞歌单页）。 */
+            char uid[32] = "", nick[128] = "";
+            int src = ncm_login_status_check(g_st.ctx.device_id, cookie,
+                                             uid, sizeof uid, nick, sizeof nick);
+            meow_log(MEOW_LOG_INFO, "login: status_check rc=%d uid=%s nick=%s", src, uid, nick);
+            appstate_set_logged_in(src == NCM_OK ? uid : "", src == NCM_OK ? nick : "");
             g_st.logged_in = 1;
             g_done = 1;
-            meow_log(MEOW_LOG_INFO, "login: -> home (status_check deferred)");
+            meow_log(MEOW_LOG_INFO, "login: -> home");
             break;
         }
         if (r.state == NCM_LOGIN_EXPIRED) {