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/logic/appstate.c

@@ -113,6 +113,7 @@ int appstate_load_playlists(void)
     rc = ncm_api_user_playlist(g_st.ctx.device_id, g_st.ctx.cookie, g_st.uid,
                                NCM_PLAYLIST_MAX, 0, g_st.playlists, NCM_PLAYLIST_MAX, &n);
     g_st.playlist_count = (rc == NCM_OK) ? n : 0;
+    meow_log(MEOW_LOG_INFO, "home: playlists rc=%d count=%d uid=%s", rc, g_st.playlist_count, g_st.uid);
     return rc;
 }