feat(media): 批3歌词数据源框架 — meow_media_session扩实时歌词(lrc/tlrc/seq)+MSG_META_LYRIC上报分片+ncm上报+launcher读meow_media_lyric_* 接批1/2;宿主L1-L7全过/ncm热更27554dd8,launcher待固件收编

patch_v2/ncm_app/app/play/player_manager.c

@@ -1045,8 +1045,14 @@ static void *lyric_worker(void *arg)
             pthread_mutex_lock(&g_lyrmu); g_lyr_state = 0; pthread_mutex_unlock(&g_lyrmu);
             continue;
         }
+        lrc[0] = tl[0] = 0;      /* 默认空串（fetch 失败/空词时上报清词，防会话留旧曲歌词） */
         int rc = ncm_api_lyric(g_st.ctx.device_id, g_st.ctx.cookie, id, lrc, 64 * 1024, tl, 32 * 1024);
-        if (rc == NCM_OK) lyric_parse(lrc, tl);
+        if (rc == NCM_OK) {
+            lyric_parse(lrc, tl);
+            ipc_media_lyric_report(lrc, tl);      /* 批3：上报 live 歌词到媒体会话 */
+        } else {
+            ipc_media_lyric_report("", "");       /* 无词/拉取失败：清 media session 该曲歌词 */
+        }
         free(lrc); free(tl);
 
         pthread_mutex_lock(&g_lyrmu);