diff --git a/src/chat/chat_msg.c b/src/chat/chat_msg.c
index f3cd7fa2..03dfaabe 100644
--- a/src/chat/chat_msg.c
+++ b/src/chat/chat_msg.c
@@ -13,6 +13,7 @@
 #include "../transport_layer/secure_channel.h"
 #include "../media_delivery/media_index.h"
 #include "../media_delivery/media_download.h"
+#include "../media_delivery/media_delivery.h"
 #include "../video/video.h"
 #include "../../lib/mem.h"
 #include "../../lib/platform_compat.h"
@@ -193,6 +194,10 @@ static void on_media_registered(void* arg, int err, const struct media_index_res
         char attrs[1100]; snprintf(attrs, sizeof(attrs), "{\"st\":\"fl\",\"fp\":\"%s\"}", filename);
         chat_core_update_local_attrs(mctx->channel_id, ts, json_sig, attrs);
 
+        /* анонсируем блоки суперузлам — иначе первый скачивающий не найдёт держателя */
+        media_delivery_announce_media(g_cc.inst, strtoull(mctx->channel_id, NULL, 10),
+                                      result->media_id, result->block_ids, result->num_blocks);
+
         /* whisper транскрипция для своих голосовых сообщений */
         if (mctx->content_type[0] && strncmp(mctx->content_type, "voice", 5) == 0
             && g_cc.inst && g_cc.inst->media_async && g_chat_whisper_trigger) {
diff --git a/src/media_delivery/media_delivery.c b/src/media_delivery/media_delivery.c
index 76b38e57..cea3b1e9 100644
--- a/src/media_delivery/media_delivery.c
+++ b/src/media_delivery/media_delivery.c
@@ -9,6 +9,7 @@
 #include "../routing_layer/conn_mgr.h"
 #include "../transport_layer/etcp_api.h"
 #include "../transport_layer/etcp.h"
+#include "../transport_layer/secure_channel.h"
 #include "../chat/member_sync.h"
 #include "../lib/debug_config.h"
 #include "../lib/mem.h"
@@ -655,6 +656,8 @@ static void md_handle_super_hello(struct media_delivery_ctx* md, uint64_t from_n
     struct media_super_peer* peer = md_super_peer_add(md, from_node, sh->group_id);
     if (!peer) { DEBUG_ERROR(DEBUG_CATEGORY_GENERAL, "%s: super_peer_add failed for 0x%016llx", MD_ID, (unsigned long long)from_node); return; }
 
+    /* группа связи определяется HELLO-пакетом (может отличаться от connect-time, напр. при ручном HELLO) */
+    peer->group_id = sh->group_id;
     peer->peer_last_recv_id = sh->last_recv_id;
     peer->connected = 1;
     peer->hello_done = 1;
@@ -1451,6 +1454,69 @@ int media_delivery_bind(struct UTUN_INSTANCE* inst) {
     return media_delivery_init(inst);
 }
 
+void media_delivery_announce_media(struct UTUN_INSTANCE* inst, uint64_t group_id,
+                                   const uint8_t* media_id, const uint8_t* block_ids,
+                                   int num_blocks) {
+    if (!inst || !media_id || !block_ids || num_blocks <= 0) {
+        DEBUG_ERROR(DEBUG_CATEGORY_GENERAL, "%s: announce invalid args inst=%p media=%p blocks=%p n=%d",
+                    MD_ID, (void*)inst, (void*)media_id, (void*)block_ids, num_blocks);
+        return;
+    }
+    struct media_delivery_ctx* md = &inst->md;
+    if (!md->initialized) return;
+
+    /* собрать суперузлы всех CHAT-групп (node_type=4, не сам) — как md_dl_collect_supernodes */
+    uint64_t supers[10]; int nsup = 0;
+    struct ll_entry* gle = inst->topo_groups ? inst->topo_groups->group_list->head : NULL;
+    while (gle) {
+        struct TOPO_GROUP* g = (struct TOPO_GROUP*)gle;
+        if (g->group_type == TOPO_GROUP_TYPE_CHAT && g->channel_id[0] && inst->topo_sqlite_db) {
+            char sql[256];
+            snprintf(sql, sizeof(sql), "SELECT node_id FROM peers_%s WHERE node_type=4 AND node_id!=%llu",
+                     g->channel_id, (unsigned long long)inst->node_id);
+            sqlite3_stmt* st = NULL;
+            if (sqlite3_prepare_v2(inst->topo_sqlite_db, sql, -1, &st, NULL) == SQLITE_OK) {
+                while (sqlite3_step(st) == SQLITE_ROW && nsup < 10)
+                    supers[nsup++] = (uint64_t)sqlite3_column_int64(st, 0);
+                sqlite3_finalize(st);
+            }
+        }
+        gle = gle->next;
+    }
+    if (nsup == 0) {
+        DEBUG_INFO(DEBUG_CATEGORY_MEDIA, "%s: announce — no supernodes for group 0x%016llx",
+                   MD_ID, (unsigned long long)group_id);
+        return;
+    }
+
+    int64_t ts = (int64_t)time(NULL);
+    for (int s = 0; s < nsup; s++) {
+        for (int n = 0; n < num_blocks; n++) {
+            struct media_pkt_have_block hb;
+            memset(&hb, 0, sizeof(hb));
+            hb.subcmd = MEDIA_SUBCMD_HAVE_BLOCK;
+            hb.group_id = group_id;
+            memcpy(hb.media_id, media_id, 16);
+            memcpy(hb.block_id, block_ids + (size_t)n * 16, 16);
+            hb.chunk = (uint32_t)n;
+            hb.timestamp = ts;
+
+            uint8_t smsg[64]; size_t soff = 0;
+            memcpy(smsg + soff, hb.block_id, 16); soff += 16;
+            memcpy(smsg + soff, &hb.chunk, 4); soff += 4;
+            memcpy(smsg + soff, &hb.timestamp, 8); soff += 8;
+            uint64_t self = inst->node_id; memcpy(smsg + soff, &self, 8); soff += 8;
+            if (sc_ed25519_sign(inst->my_ed25519_privkey, smsg, soff, hb.node_sign) != SC_OK) {
+                DEBUG_ERROR(DEBUG_CATEGORY_GENERAL, "%s: announce Ed25519 sign failed block=%d", MD_ID, n);
+                continue;
+            }
+            md_send(inst, group_id, supers[s], (const uint8_t*)&hb, sizeof(hb));
+        }
+    }
+    DEBUG_INFO(DEBUG_CATEGORY_MEDIA, "%s: announce media=%02x%02x... blocks=%d supers=%d",
+               MD_ID, media_id[0], media_id[1], num_blocks, nsup);
+}
+
 void media_delivery_set_supernode(struct UTUN_INSTANCE* inst, int is_supernode) {
     if (!inst) return;
     struct media_delivery_ctx* md = &inst->md;
diff --git a/src/media_delivery/media_delivery.h b/src/media_delivery/media_delivery.h
index 6fe9337c..61bde270 100644
--- a/src/media_delivery/media_delivery.h
+++ b/src/media_delivery/media_delivery.h
@@ -130,6 +130,12 @@ int  media_delivery_bind(struct UTUN_INSTANCE* inst);
 void media_delivery_set_supernode(struct UTUN_INSTANCE* inst, int is_supernode);
 void media_delivery_stream_done(struct UTUN_INSTANCE* inst);
 
+/* Автор анонсирует свои блоки суперузлам CHAT-группы (HAVE_BLOCK), чтобы первый
+ * скачивающий мог найти держателя через QUERY. Вызывается после регистрации медиа. */
+void media_delivery_announce_media(struct UTUN_INSTANCE* inst, uint64_t group_id,
+                                   const uint8_t* media_id, const uint8_t* block_ids,
+                                   int num_blocks);
+
 /* relay block context helpers (used by media_download.c) */
 struct relay_block_ctx* md_relay_find(struct media_delivery_ctx* md, const uint8_t* block_id);
 struct relay_block_ctx* md_relay_add(struct media_delivery_ctx* md,
diff --git a/src/media_delivery/media_download.c b/src/media_delivery/media_download.c
index 2779936c..65f26d68 100644
--- a/src/media_delivery/media_download.c
+++ b/src/media_delivery/media_download.c
@@ -639,6 +639,34 @@ void media_download_handle_chunk(struct UTUN_INSTANCE* inst,
 
 /* ── handle incoming BLOCK_DONE ── */
 
+/* Регистрирует скачанные блоки в media_files (location = собранный файл), чтобы узел
+ * мог отдавать их как держатель. Вызывается после успешной сборки и проверки хеша. */
+static void md_dl_register_servable(struct media_download* dl) {
+    struct UTUN_INSTANCE* inst = dl->inst;
+    sqlite3* db = inst ? inst->topo_sqlite_db : NULL;
+    if (!db) { DEBUG_WARN(DEBUG_CATEGORY_GENERAL, "%s: register_servable — no DB", MDL_ID); return; }
+
+    char chat_id[32];
+    snprintf(chat_id, sizeof(chat_id), "%llu", (unsigned long long)dl->group_id);
+
+    /* location = dest_path относительно media_base (как в media_index_commit) */
+    const char* rel = dl->dest_path;
+    size_t base_len = strlen(dl->media_base);
+    if (strncmp(rel, dl->media_base, base_len) == 0 && rel[base_len] == '/')
+        rel += base_len + 1;
+
+    for (int n = 0; n < dl->num_blocks; n++) {
+        if (media_index_register_downloaded(db, dl->media_id, dl->blocks[n].block_id,
+                                            dl->content_hash, chat_id, rel, inst->node_id,
+                                            dl->file_size, dl->blocks[n].expected_size, n,
+                                            (int64_t)n * dl->block_size) != 0) {
+            DEBUG_ERROR(DEBUG_CATEGORY_GENERAL, "%s: register_servable failed blk=%d", MDL_ID, n);
+        }
+    }
+    DEBUG_INFO(DEBUG_CATEGORY_MEDIA, "%s: registered %d downloaded blocks as servable (%s)",
+               MDL_ID, dl->num_blocks, rel);
+}
+
 void media_download_handle_done(struct UTUN_INSTANCE* inst,
                                  const uint8_t* data, size_t len) {
     if (!data || len < MEDIA_BLOCK_DONE_SIZE) return;
@@ -757,6 +785,7 @@ void media_download_handle_done(struct UTUN_INSTANCE* inst,
         } }
         dl->assembled = 1;
         DEBUG_INFO(DEBUG_CATEGORY_GENERAL, "%s: file assembled: %s", MDL_ID, dl->dest_path);
+        md_dl_register_servable(dl);
         md_dl_finish(dl, 0);
         return;
     }
@@ -906,6 +935,15 @@ int media_download_start(struct UTUN_INSTANCE* inst, uint64_t group_id,
 
     dl = (struct media_download*)qe->data;
 
+    /* сохраняем media_base в ui_state — чтобы после скачивания узел мог отдавать блоки
+       (md_handle_block_req открывает файл по ui_state.media_base + location) */
+    {
+        sqlite3_exec(inst->topo_sqlite_db, "CREATE TABLE IF NOT EXISTS ui_state(key TEXT PRIMARY KEY, value TEXT)", NULL, NULL, NULL);
+        sqlite3_stmt* us = NULL;
+        sqlite3_prepare_v2(inst->topo_sqlite_db, "INSERT OR REPLACE INTO ui_state(key,value) VALUES('media_base',?)", -1, &us, NULL);
+        if (us) { sqlite3_bind_text(us, 1, media_base, -1, SQLITE_STATIC); sqlite3_step(us); sqlite3_finalize(us); }
+    }
+
     md_dl_collect_supernodes(inst, dl);
     dl->last_activity_tb = get_time_tb();
     dl->watchdog_timer = uasync_set_timeout(inst->ua, (int)md_dl_stall_tb(inst), dl, md_dl_watchdog_cb, "md_dl_wd");
diff --git a/src/media_delivery/media_index.c b/src/media_delivery/media_index.c
index ac635c6f..21b57aff 100644
--- a/src/media_delivery/media_index.c
+++ b/src/media_delivery/media_index.c
@@ -124,8 +124,7 @@ void media_index_result_free(struct media_index_result* result) {
 
 int media_index_commit(sqlite3* db, const struct media_index_result* result,
                         uint64_t node_id, const uint8_t* ed25519_privkey,
-                        const char* chat_id, const char* dest_path, const char* media_base) {
-    if (!db || !result || !chat_id || !dest_path || !media_base) return -1;
+                        const char* chat_id, const char* dest_path, const char* media_base) {    if (!db || !result || !chat_id || !dest_path || !media_base) return -1;
 
     int nb = result->num_blocks;
     int64_t bs = result->block_size;
@@ -174,6 +173,16 @@ int media_index_commit(sqlite3* db, const struct media_index_result* result,
     return 0;
 }
 
+int media_index_register_downloaded(sqlite3* db, const uint8_t* media_id, const uint8_t* block_id,
+                                    const uint8_t* content_hash, const char* chat_id,
+                                    const char* location, uint64_t node_id,
+                                    int64_t file_size, int64_t chunk_size, int chunk, int64_t offset) {
+    if (!db || !media_id || !block_id || !content_hash || !chat_id || !location) return -1;
+    static const uint8_t zero_sign[64] = {0};
+    return mi_insert(db, media_id, block_id, content_hash, chat_id, location,
+                     node_id, zero_sign, (int64_t)time(NULL), file_size, chunk_size, chunk, offset);
+}
+
 /* ─── register_async (worker + uasync callback) ─── */
 
 struct mi_reg_ctx {
diff --git a/src/media_delivery/media_index.h b/src/media_delivery/media_index.h
index 12c78858..56f53065 100644
--- a/src/media_delivery/media_index.h
+++ b/src/media_delivery/media_index.h
@@ -33,6 +33,13 @@ int media_index_commit(
     uint64_t node_id, const uint8_t* ed25519_privkey,
     const char* chat_id, const char* dest_path, const char* media_base);
 
+/* Зарегистрировать скачанный блок в media_files (location — путь к собранному файлу),
+ * чтобы узел мог отдавать его как держатель. node_sign = нули (при отдаче не проверяется). */
+int media_index_register_downloaded(sqlite3* db, const uint8_t* media_id, const uint8_t* block_id,
+                                    const uint8_t* content_hash, const char* chat_id,
+                                    const char* location, uint64_t node_id,
+                                    int64_t file_size, int64_t chunk_size, int chunk, int64_t offset);
+
 void media_index_register_async(
     struct media_async* ma, struct UASYNC* ua, sqlite3* db,
     uint64_t node_id, const uint8_t* ed25519_privkey,
diff --git a/src/routing_layer/conn_mgr_core.c b/src/routing_layer/conn_mgr_core.c
index 1c8876e5..82f6b5c6 100644
--- a/src/routing_layer/conn_mgr_core.c
+++ b/src/routing_layer/conn_mgr_core.c
@@ -703,8 +703,8 @@ void cm_start_phase_reverse(struct CONN_MGR_ENTRY* entry) {
 /* Принимающая сторона REVERSE: получили DIRECT_REQ от инициатора — открываем
  * NCD-соединение к нему, добавляем линки по адресам из запроса. При INIT
  * вызывается cm_reverse_init_cb. */
-void cm_handle_direct_req(struct ETCP_CONN* conn, const uint8_t* data, size_t len) {
-    struct CONN_MGR* mgr = conn->instance->conn_mgr; if (!mgr) return;
+void cm_handle_direct_req(struct ETCP_CONN* conn, struct CONN_MGR* mgr, const uint8_t* data, size_t len) {
+    if (!mgr) return;
     struct CM_DIRECT_REQ* req = (struct CM_DIRECT_REQ*)data;
     if (len < CM_DIRECT_REQ_H_SIZE + (size_t)req->addr_count * 8) { DEBUG_WARN(DEBUG_CATEGORY_GENERAL, "conn_mgr: DIRECT_REQ too short"); return; }
     DEBUG_INFO(DEBUG_CATEGORY_GENERAL, "conn_mgr: got DIRECT_REQ from 0x%016llx with %u addrs",
@@ -744,12 +744,15 @@ void conn_mgr_router_recv_handler(struct ETCP_CONN* conn, struct ll_entry* entry
         return;
     }
     uint8_t* d = entry->dgram + ROUTER_SVC_PAYLOAD_OFF; size_t len = entry->len - ROUTER_SVC_PAYLOAD_OFF; uint8_t sub = d[1];
-    struct CONN_MGR* mgr = conn->instance->conn_mgr;
+    /* conn_mgr — per-group: резолвим группу из заголовка доставки, а не instance->conn_mgr */
+    uint64_t group_id; memcpy(&group_id, entry->dgram + ROUTER_SVC_GROUP_OFF, 8);
+    struct TOPO_GROUP* grp = topo_groups_find(conn->instance->topo_groups, group_id);
+    struct CONN_MGR* mgr = grp ? grp->conn_mgr : conn->instance->conn_mgr;
     if (mgr) { struct CONN_MGR_ENTRY* e = cm_find_entry(mgr, conn->peer_node_id); if (e && e->state == CONN_MGR_STATE_CONNECTED) e->last_traffic_tb = get_time_tb(); }
     switch (sub) {
-    case CM_SUBCMD_DIRECT_REQ:           cm_handle_direct_req(conn, d, len); break;
+    case CM_SUBCMD_DIRECT_REQ:           cm_handle_direct_req(conn, mgr, d, len); break;
     case CM_SUBCMD_DIRECT_RESP:          break;
-    case CM_SUBCMD_INTERM_EXCHANGE_REQ:  if (len >= CM_EXCHANGE_REQ_SIZE) cm_handle_interm_exchange_req(conn, (struct CM_EXCHANGE_REQ*)d); break;
+    case CM_SUBCMD_INTERM_EXCHANGE_REQ:  if (len >= CM_EXCHANGE_REQ_SIZE) cm_handle_interm_exchange_req(conn, mgr, (struct CM_EXCHANGE_REQ*)d); break;
     case CM_SUBCMD_INTERM_EXCHANGE_RESP: if (mgr) cm_handle_interm_exchange_resp(mgr, d, len); break;
     case CM_SUBCMD_INTERM_SELECTED:      if (mgr) cm_handle_interm_selected(mgr, d, len); break;
     case CM_SUBCMD_DISCONNECT:           if (len >= CM_DISCONNECT_SIZE && mgr) cm_handle_disconnect(mgr, ((struct CM_DISCONNECT*)d)->node_id); break;
diff --git a/src/routing_layer/conn_mgr_indirect.c b/src/routing_layer/conn_mgr_indirect.c
index 056ed5f6..7e9ea6e3 100644
--- a/src/routing_layer/conn_mgr_indirect.c
+++ b/src/routing_layer/conn_mgr_indirect.c
@@ -121,8 +121,8 @@ void cm_handle_interm_selected(struct CONN_MGR* mgr, const uint8_t* data, size_t
 /* Цель получила EXCHANGE_REQ: измеряет RTT до кандидатов инициатора (если
  * замеры протухли — запускает probe), отправляет EXCHANGE_RESP со СВОИМИ
  * кандидатами + замерами RTT до кандидатов инициатора. */
-void cm_handle_interm_exchange_req(struct ETCP_CONN* conn, struct CM_EXCHANGE_REQ* req) {
-    struct CONN_MGR* mgr=conn->instance->conn_mgr; if(!mgr)return;
+void cm_handle_interm_exchange_req(struct ETCP_CONN* conn, struct CONN_MGR* mgr, struct CM_EXCHANGE_REQ* req) {
+    if (!mgr) return;
     uint64_t now=get_time_tb();
     for(uint8_t i=0;i<req->candidate_count&&i<4;i++){
         struct TOPO_GROUP_NODE* nq=topo_node_find_by_id(mgr->group,req->candidates[i].node_id);
diff --git a/src/routing_layer/conn_mgr_priv.h b/src/routing_layer/conn_mgr_priv.h
index fd7570bb..9d195860 100644
--- a/src/routing_layer/conn_mgr_priv.h
+++ b/src/routing_layer/conn_mgr_priv.h
@@ -142,7 +142,7 @@ void cm_start_phase_direct(struct CONN_MGR_ENTRY* entry);
 void cm_start_phase_reverse(struct CONN_MGR_ENTRY* entry);
 void cm_start_phase_indirect(struct CONN_MGR_ENTRY* entry);
 void cm_start_local_scan(struct CONN_MGR_ENTRY* entry);
-void cm_handle_direct_req(struct ETCP_CONN* conn, const uint8_t* data, size_t len);
+void cm_handle_direct_req(struct ETCP_CONN* conn, struct CONN_MGR* mgr, const uint8_t* data, size_t len);
 void cm_handle_disconnect(struct CONN_MGR* mgr, uint64_t node_id);
 void cm_reverse_init_cb(struct ETCP_CONN* conn, int event, void* arg);
 void cm_reverse_timeout_cb(void* arg);
@@ -164,7 +164,7 @@ uint8_t cm_sock_v6_classify(const struct ETCP_SOCKET* s);
 void cm_exchange_timeout_cb(void* arg);
 void cm_compute_intermediaries(struct CONN_MGR_ENTRY* entry, struct CM_EXCHANGE_RESP* resp);
 void cm_exchange_probe_retry_cb(void* arg);
-void cm_handle_interm_exchange_req(struct ETCP_CONN* conn, struct CM_EXCHANGE_REQ* req);
+void cm_handle_interm_exchange_req(struct ETCP_CONN* conn, struct CONN_MGR* mgr, struct CM_EXCHANGE_REQ* req);
 void cm_handle_interm_exchange_resp(struct CONN_MGR* mgr, const uint8_t* data, size_t len);
 void cm_handle_interm_selected(struct CONN_MGR* mgr, const uint8_t* data, size_t len);
 
diff --git a/src/routing_layer/etcp_router.c b/src/routing_layer/etcp_router.c
index bfb77c0a..c49f9cd4 100644
--- a/src/routing_layer/etcp_router.c
+++ b/src/routing_layer/etcp_router.c
@@ -329,6 +329,7 @@ static void router_send_close_to_service(struct ETCP_ROUTER_CONN* rconn) {
     memcpy(e->dgram + ROUTER_SVC_SRC_OFF, &rconn->remote_node_id, 8);
     memcpy(e->dgram + ROUTER_SVC_DST_OFF, &inst->node_id, 8);
     e->dgram[ROUTER_SVC_FLAGS_OFF] = 0;
+    memcpy(e->dgram + ROUTER_SVC_GROUP_OFF, &rconn->group_id, 8);
     e->len = ROUTER_SVC_HDR_SIZE;
     DEBUG_INFO(DEBUG_CATEGORY_ETCPROUTE, "router_close_svc: svc_id=%u remote=%016llx",
                rconn->svc_id, (unsigned long long)rconn->remote_node_id);
@@ -847,9 +848,9 @@ static void router_idle_ack_timer_cb(void* arg) {
 // Reorder / assembly (аналог etcp_output_try_assembly)
 // ====================================================================
 
-// Доставка сервисной кодограммы в едином формате [svc_id][src][dst][rx_flags][payload].
+// Доставка сервисной кодограммы в едином формате [svc_id][src][dst][rx_flags][group_id][payload].
 // Для loopback (dst == self) src и dst оба = self, rx_flags = 0.
-static void router_deliver_loopback(struct UTUN_INSTANCE* inst, uint8_t svc_id, struct ll_entry* entry) {
+static void router_deliver_loopback(struct UTUN_INSTANCE* inst, uint64_t group_id, uint8_t svc_id, struct ll_entry* entry) {
     etcp_recv_fn cb = inst->router_bindings.callbacks[svc_id];
     if (!cb) { queue_dgram_free(entry); queue_entry_free(entry); return; }
     size_t payload_len = entry->len - 1;
@@ -861,6 +862,7 @@ static void router_deliver_loopback(struct UTUN_INSTANCE* inst, uint8_t svc_id,
     memcpy(e->dgram + ROUTER_SVC_SRC_OFF, &inst->node_id, 8);
     memcpy(e->dgram + ROUTER_SVC_DST_OFF, &inst->node_id, 8);
     e->dgram[ROUTER_SVC_FLAGS_OFF] = 0;
+    memcpy(e->dgram + ROUTER_SVC_GROUP_OFF, &group_id, 8);
     if (payload_len > 0) memcpy(e->dgram + ROUTER_SVC_PAYLOAD_OFF, entry->dgram + 1, payload_len);
     e->len = ROUTER_SVC_HDR_SIZE + payload_len;
     queue_dgram_free(entry); queue_entry_free(entry);
@@ -904,6 +906,7 @@ static void router_deliver(struct ETCP_ROUTER_CONN* rconn, struct ETCP_CONN* con
     memcpy(svc_entry->dgram + ROUTER_SVC_SRC_OFF, &rconn->remote_node_id, 8);
     memcpy(svc_entry->dgram + ROUTER_SVC_DST_OFF, &inst->node_id, 8);
     svc_entry->dgram[ROUTER_SVC_FLAGS_OFF] = rx_flags;
+    memcpy(svc_entry->dgram + ROUTER_SVC_GROUP_OFF, &rconn->group_id, 8);
     if (payload_len > 0) memcpy(svc_entry->dgram + ROUTER_SVC_PAYLOAD_OFF, payload, payload_len);
     if (decoded) u_free(decoded);
 
@@ -1295,7 +1298,7 @@ int etcp_route_send(struct UTUN_INSTANCE* inst, uint64_t group_id, uint64_t dst_
 
     if (dst_node_id == inst->node_id) {
         DEBUG_TRACE(DEBUG_CATEGORY_ETCPROUTE, "loopback svc_id=%u len=%zu", svc_id, payload_len);
-        router_deliver_loopback(inst, svc_id, entry);
+        router_deliver_loopback(inst, group_id, svc_id, entry);
         return 0;
     }
 
@@ -1324,6 +1327,7 @@ void etcp_router_conn_restart(struct UTUN_INSTANCE* inst, uint64_t group_id, uin
                 memcpy(e->dgram + ROUTER_SVC_SRC_OFF, &remote_node_id, 8);
                 memcpy(e->dgram + ROUTER_SVC_DST_OFF, &inst->node_id, 8);
                 e->dgram[ROUTER_SVC_FLAGS_OFF] = 0;
+                memcpy(e->dgram + ROUTER_SVC_GROUP_OFF, &group_id, 8);
                 e->len = ROUTER_SVC_HDR_SIZE;
                 cb(loopback_conn(inst), e);
             } else { queue_entry_free(e); }
diff --git a/src/routing_layer/etcp_router.h b/src/routing_layer/etcp_router.h
index 391f466c..d0bd71a3 100644
--- a/src/routing_layer/etcp_router.h
+++ b/src/routing_layer/etcp_router.h
@@ -40,14 +40,16 @@ struct SVC_ROUTE_HDR {
 #define SVC_ROUTE_MAX_BINDINGS  256
 
 // Единый формат доставки сервисной кодограммы (router → сервис):
-//   [svc_id:1][src_node_id:8][dst_node_id:8][rx_flags:1][payload...]
+//   [svc_id:1][src_node_id:8][dst_node_id:8][rx_flags:1][group_id:8][payload...]
 // src/dst — реальные end-to-end узлы из SVC_ROUTE заголовка (не промежуточные).
 // rx_flags — биты ROUTER_FLAG_ENCRYPTED/SIGNED, бывшие на wire (статус для сервиса).
+// group_id — группа SVC_ROUTE-пакета (для per-group сервисов вроде conn_mgr).
 #define ROUTER_SVC_SRC_OFF      1
 #define ROUTER_SVC_DST_OFF      9
 #define ROUTER_SVC_FLAGS_OFF    17
-#define ROUTER_SVC_PAYLOAD_OFF  18
-#define ROUTER_SVC_HDR_SIZE     18   // svc_id(1) + src_node_id(8) + dst_node_id(8) + rx_flags(1)
+#define ROUTER_SVC_GROUP_OFF    18
+#define ROUTER_SVC_PAYLOAD_OFF  26
+#define ROUTER_SVC_HDR_SIZE     26   // svc_id(1) + src_node_id(8) + dst_node_id(8) + rx_flags(1) + group_id(8)
 
 // Биты в flags
 #define ROUTER_FLAG_START      0x80
diff --git a/src/routing_layer/topo_group.c b/src/routing_layer/topo_group.c
index 487238fa..6c09fee3 100644
--- a/src/routing_layer/topo_group.c
+++ b/src/routing_layer/topo_group.c
@@ -511,12 +511,25 @@ struct TOPO_GROUP* topo_groups_create_group(struct TOPO_GROUPS* g, uint64_t grou
 
     struct ll_queue* connections = g->instance->connections;
     if (connections) {
+        sqlite3* db = g->instance->topo_sqlite_db;
         for (uint32_t slot = 0; slot < connections->hash_size; slot++) {
             struct ll_entry* entry = connections->hash_table[slot];
             while (entry) {
                 struct conn_queue_entry* cqe = (struct conn_queue_entry*)entry;
-                if (cqe->conn && cqe->peer_node_id != 0)
-                    topo_group_new_conn(group, cqe->conn);
+                if (cqe->conn && cqe->peer_node_id != 0) {
+                    if (group_type == TOPO_GROUP_TYPE_CHAT && db) {
+                        /* CHAT: добавляем conn только если пир — член именно этого канала */
+                        uint64_t* chs = NULL; int chn = 0;
+                        if (topo_node_sqlite_get_member_channels(db, cqe->peer_node_id, &chs, &chn) == 0) {
+                            for (int i = 0; i < chn; i++) {
+                                if (chs[i] == group_id) { topo_group_new_conn(group, cqe->conn); break; }
+                            }
+                        }
+                        u_free(chs);
+                    } else {
+                        topo_group_new_conn(group, cqe->conn);
+                    }
+                }
                 entry = entry->hash_next;
             }
         }
diff --git a/src/routing_layer/topo_node.c b/src/routing_layer/topo_node.c
index f7665967..3e631917 100644
--- a/src/routing_layer/topo_node.c
+++ b/src/routing_layer/topo_node.c
@@ -132,6 +132,21 @@ uint64_t* topo_node_best_hop_list(struct TOPO_GROUP_NODE* nq, uint8_t* out_count
     return (uint64_t*)((uint8_t*)best + sizeof(struct TOPO_NODEPATH));
 }
 
+/* Освобождает списки адресов (sock_meta + addrs + reality) узла в глобальном реестре.
+ * Адреса — глобальная идентичность узла, шарится между группами через node_registry,
+ * поэтому освобождаются только при последнем unref (topo_node_registry_unref). */
+static void topo_node_identity_free(struct TOPO_GROUPS* groups, struct TOPO_NODE* ni) {
+    if (!groups || !ni) return;
+    free_v4_sock_list(groups->v4_sock_meta_pool, ni->v4_sock_meta);
+    free_v4_addr_list(groups->v4_addr_pool, ni->v4_addrs);
+    free_v6_sock_list(groups->v6_sock_meta_pool, ni->v6_sock_meta);
+    free_v6_addr_list(groups->v6_addr_pool, ni->v6_addrs);
+    free_reality_sock_list(ni->reality_socks);
+    ni->v4_sock_meta = NULL; ni->v4_addrs = NULL;
+    ni->v6_sock_meta = NULL; ni->v6_addrs = NULL;
+    ni->reality_socks = NULL;
+}
+
 void topo_node_free_raw(struct TOPO_GROUPS* groups, struct TOPO_NODE* ni) {
     if (!ni) return;
     if (groups) {
@@ -151,18 +166,7 @@ void topo_node_destroy(struct TOPO_GROUPS* groups, struct TOPO_NODE* ni) {
 
 void topo_nodeq_free_group_fields(struct TOPO_GROUPS* groups, struct TOPO_GROUP_NODE* nq) {
     if (!groups || !nq) return;
-    struct TOPO_NODE* ni = topo_node_registry_find(groups, nq->node_id);
-    if (ni) {
-        free_v4_sock_list(groups->v4_sock_meta_pool, ni->v4_sock_meta);
-        free_v4_addr_list(groups->v4_addr_pool, ni->v4_addrs);
-        free_v6_sock_list(groups->v6_sock_meta_pool, ni->v6_sock_meta);
-        free_v6_addr_list(groups->v6_addr_pool, ni->v6_addrs);
-        free_reality_sock_list(ni->reality_socks);
-        ni->v4_sock_meta = NULL; ni->v4_addrs = NULL;
-        ni->v6_sock_meta = NULL; ni->v6_addrs = NULL;
-        ni->reality_socks = NULL;
-        topo_node_registry_unref(groups, nq->node_id);
-    }
+    topo_node_registry_unref(groups, nq->node_id);
     if (nq->subnets) {
         free_v4_sub_list(groups->v4_subnet_pool, nq->subnets->v4_subnets);
         free_v6_sub_list(groups->v6_subnet_pool, nq->subnets->v6_subnets);
@@ -183,22 +187,42 @@ struct TOPO_NODE* topo_node_registry_find(struct TOPO_GROUPS* groups, uint64_t n
     return node;
 }
 
+/* Является ли входящий узел полной идентичностью (BGP NODEINFO / локальный узел).
+ * Partial-узлы из invite/DB-load не несут ed25519 — по ним идентичность не перезаписываем. */
+static int topo_node_is_full_identity(const struct TOPO_NODE* ni) {
+    for (int i = 0; i < SC_PUBKEY_SIZE; i++) if (ni->ed25519_public_key[i]) return 1;
+    return 0;
+}
+
 struct TOPO_NODE* topo_node_registry_store(struct TOPO_GROUPS* groups, struct TOPO_NODE* ni) {
     if (!groups || !ni) return NULL;
     struct TOPO_NODE* existing = topo_node_registry_find(groups, ni->node_id);
     if (existing) {
-        int n4 = topo_list_count((struct _topo_head*)ni->v4_addrs);
-        int n6 = topo_list_count((struct _topo_head*)ni->v6_addrs);
-        int e4 = topo_list_count((struct _topo_head*)existing->v4_addrs);
-        int e6 = topo_list_count((struct _topo_head*)existing->v6_addrs);
-        int drop4 = (e4 && n4), drop6 = (e6 && n6);
-        if (drop4 || drop6)
-            DEBUG_WARN(DEBUG_CATEGORY_BGP, "registry_store: node=%016llx EXISTS — dropping new addrs v4=%d v6=%d (existing v4=%d v6=%d)",
-                       (unsigned long long)ni->node_id, drop4 ? n4 : 0, drop6 ? n6 : 0, e4, e6);
         topo_node_ref(existing);
-        if (!existing->v4_addrs && ni->v4_addrs) { existing->v4_addrs = ni->v4_addrs; ni->v4_addrs = NULL; }
-        if (!existing->v6_addrs && ni->v6_addrs) { existing->v6_addrs = ni->v6_addrs; ni->v6_addrs = NULL; }
-        if (!existing->reality_socks && ni->reality_socks) { existing->reality_socks = ni->reality_socks; ni->reality_socks = NULL; }
+
+        /* Идентичность (ver/имя/pubkeys/подпись) — авторитетна у полного NODEINFO,
+         * иначе реестр держит устаревший ver/имя и форвард nodeinfo ломает подпись. */
+        if (topo_node_is_full_identity(ni)) {
+            existing->ver = ni->ver;
+            existing->client_type = ni->client_type;
+            existing->client_activity = ni->client_activity;
+            memcpy(existing->public_key, ni->public_key, SC_PUBKEY_SIZE);
+            memcpy(existing->ed25519_public_key, ni->ed25519_public_key, SC_PUBKEY_SIZE);
+            memcpy(existing->x25519_self_sig, ni->x25519_self_sig, 64);
+            if (ni->node_name) {
+                if (existing->node_name) u_free(existing->node_name);
+                existing->node_name = ni->node_name; ni->node_name = NULL;
+            }
+        }
+
+        /* Адреса — глобальная идентичность. Обновляем каждый список, который входящий узел несёт
+         * (частичные узлы заполняют только то, что знают, не затирая остальное). */
+        if (ni->v4_sock_meta) { free_v4_sock_list(groups->v4_sock_meta_pool, existing->v4_sock_meta); existing->v4_sock_meta = ni->v4_sock_meta; ni->v4_sock_meta = NULL; }
+        if (ni->v4_addrs)     { free_v4_addr_list(groups->v4_addr_pool, existing->v4_addrs); existing->v4_addrs = ni->v4_addrs; ni->v4_addrs = NULL; }
+        if (ni->v6_sock_meta) { free_v6_sock_list(groups->v6_sock_meta_pool, existing->v6_sock_meta); existing->v6_sock_meta = ni->v6_sock_meta; ni->v6_sock_meta = NULL; }
+        if (ni->v6_addrs)     { free_v6_addr_list(groups->v6_addr_pool, existing->v6_addrs); existing->v6_addrs = ni->v6_addrs; ni->v6_addrs = NULL; }
+        if (ni->reality_socks) { free_reality_sock_list(existing->reality_socks); existing->reality_socks = ni->reality_socks; ni->reality_socks = NULL; }
+
         topo_node_free_raw(groups, ni);
         return existing;
     }
@@ -223,6 +247,8 @@ void topo_node_registry_unref(struct TOPO_GROUPS* groups, uint64_t node_id) {
     struct TOPO_NODE* ni = topo_node_registry_find(groups, node_id);
     if (!ni) return;
     uint32_t prev_ref = ni->group_ref_count;
+    if (prev_ref == 1)
+        topo_node_identity_free(groups, ni);
     topo_node_unref(ni);
     if (prev_ref == 1) {
         struct ll_entry* e = groups->node_registry ? queue_find_data_by_index(groups->node_registry, &node_id) : NULL;
diff --git a/tests/test_media_delivery_chat.c b/tests/test_media_delivery_chat.c
index eea41838..f352d6e6 100644
--- a/tests/test_media_delivery_chat.c
+++ b/tests/test_media_delivery_chat.c
@@ -136,7 +136,7 @@ static void mon(void* arg) {
             if (ce->conn && ce->conn->links) { struct ETCP_LINK* l; for (l = ce->conn->links; l; l = l->next)
               if (l->initialized && ce->conn->crypto_ctx.initialized) ok++; } e = e->next; }
     }
-    if (ok >= N_NODES * 2 - 2) g_connected = 1;
+    if (ok >= N_NODES * (N_NODES - 1)) g_connected = 1;   /* полный mesh: N*(N-1) линков */
     if (!g_result) uasync_set_timeout(g_ua, 10, NULL, mon, "mdc_mon");
 }
 
@@ -162,6 +162,28 @@ static int wait_pubkeys(void) {
     return 0;
 }
 
+/* ждём, пока BGP CHAT-группы сойдутся: каждый узел имеет маршрут (path) до каждого
+ * другого мембера в своей CHAT-группе. Без этого media-доставка «через группу» не имеет
+ * маршрута (topo_group_find_conn_for_node == NULL) и встаёт с «no route». */
+static int wait_chat_bgp(void) {
+    int a = 0;
+    while (a < 8000) {
+        int ok = 1;
+        for (int i = 0; i < N_NODES && ok; i++) {
+            struct TOPO_GROUP* g = topo_groups_find(g_inst[i]->topo_groups, g_group_id);
+            if (!g) { ok = 0; break; }
+            for (int m = 0; m < N_NODES; m++) {
+                if (m == i) continue;
+                struct TOPO_GROUP_NODE* nq = topo_node_find_by_id(g, g_nid[m]);
+                if (!nq || !nq->paths || !nq->paths->head) { ok = 0; break; }
+            }
+        }
+        if (ok) return 1;
+        uasync_poll(g_ua, POLL_MS); a++;
+    }
+    return 0;
+}
+
 static void sha256_buf(const uint8_t* data, size_t len, uint8_t out[32]) {
     EVP_MD_CTX* ctx = EVP_MD_CTX_new();
     EVP_DigestInit_ex(ctx, EVP_sha256(), NULL);
@@ -193,6 +215,16 @@ static void ensure_supernode_type(int idx) {
     sqlite3_exec(g_inst[idx]->topo_sqlite_db, sql, NULL, NULL, NULL);
 }
 
+/* прямой send media-пакета через CHAT-группу (доставка идёт по группе канала) */
+static int msend(struct UTUN_INSTANCE* inst, uint64_t dst, const uint8_t* data, size_t len) {
+    struct ll_entry* e = queue_entry_new(0); if (!e) return -1;
+    e->dgram = u_malloc(len + 1); if (!e->dgram) { queue_entry_free(e); return -1; }
+    e->dgram[0] = ETCP_RT_ID_MEDIA_DELIVERY; memcpy(e->dgram + 1, data, len); e->len = (uint16_t)(len + 1);
+    int rc = etcp_route_send(inst, g_group_id, dst, e, 1, 0);
+    if (rc != 0) { u_free(e->dgram); queue_entry_free(e); }
+    return rc;
+}
+
 /* ── завершение загрузки ── */
 
 static void dl_done_cb(void* arg, int err) {
@@ -317,6 +349,14 @@ static int author_index_file(void) {
     int rc = media_index_commit(g_inst[I_N1]->topo_sqlite_db, &result, g_nid[I_N1],
         g_inst[I_N1]->my_ed25519_privkey, CH_ID, dst_path, media_base);
 
+    /* ui_state.media_base — откуда block_req-хендлер открывает файл на стриминг */
+    {
+        sqlite3_exec(g_inst[I_N1]->topo_sqlite_db, "CREATE TABLE IF NOT EXISTS ui_state(key TEXT PRIMARY KEY, value TEXT)", NULL, NULL, NULL);
+        sqlite3_stmt* us = NULL;
+        sqlite3_prepare_v2(g_inst[I_N1]->topo_sqlite_db, "INSERT OR REPLACE INTO ui_state(key,value) VALUES('media_base',?)", -1, &us, NULL);
+        sqlite3_bind_text(us, 1, media_base, -1, SQLITE_STATIC); sqlite3_step(us); sqlite3_finalize(us);
+    }
+
     /* сохраняем глобально */
     memcpy(g_media_id, result.media_id, 16);
     for (int n = 0; n < MEDIA_NUM_BLOCKS; n++) {
@@ -356,7 +396,13 @@ static int author_publish_message(void) {
     if (sc_ed25519_sign(g_inst[I_N1]->my_ed25519_privkey, sig_msg, soff, sig) != SC_OK) return -1;
 
     DEBUG_INFO(DEBUG_CATEGORY_GENERAL, "[mdc] publish media message ts=%llu len=%zu", (unsigned long long)ts, jl);
-    return db_sync_insert_signed(g_si[I_N1], json, jl, sig, 64, ts, NULL);
+    int rc = db_sync_insert_signed(g_si[I_N1], json, jl, sig, 64, ts, NULL);
+    if (rc == 0) {
+        /* анонсируем блоки суперузлам (как on_media_registered в chat_msg.c) */
+        ensure_supernode_type(I_N1);
+        media_delivery_announce_media(g_inst[I_N1], g_group_id, g_media_id, &g_block_ids[0][0], MEDIA_NUM_BLOCKS);
+    }
+    return rc;
 }
 
 /* ── фазы ── */
@@ -431,6 +477,21 @@ static void setup_chat_group(void) {
         media_delivery_set_supernode(g_inst[I_S2], 1);
         if (g_inst[I_S1]->md.is_supernode && g_inst[I_S2]->md.is_supernode) OK(); else FAIL();
     }
+
+    TEST("SUPER_HELLO s1<->s2 (via CHAT)"); {
+        struct media_pkt_super_hello h; memset(&h, 0, sizeof(h));
+        h.subcmd = MEDIA_SUBCMD_SUPER_HELLO; h.group_id = g_group_id;
+        msend(g_inst[I_S1], g_nid[I_S2], (const uint8_t*)&h, sizeof(h));
+        msend(g_inst[I_S2], g_nid[I_S1], (const uint8_t*)&h, sizeof(h));
+        int a = 0, ok = 0;
+        while (a < 1000) {
+            ok = (g_inst[I_S1]->md.super_peers && g_inst[I_S1]->md.super_peers->head)
+              && (g_inst[I_S2]->md.super_peers && g_inst[I_S2]->md.super_peers->head);
+            if (ok) break;
+            uasync_poll(g_ua, POLL_MS); a++;
+        }
+        if (ok) OK(); else FAIL();
+    }
 }
 
 static void setup_db_sync(void) {
@@ -455,10 +516,11 @@ static void setup_db_sync(void) {
 int main(void) {
     debug_config_init(); debug_set_level(DEBUG_LEVEL_ERROR);
     if (getenv("UTUN_TEST_DEBUG")) {
-        debug_set_category_level_by_name("media", "trace");
+        debug_set_category_level_by_name("media", "info");
         debug_set_category_level_by_name("general", "info");
-        debug_set_category_level_by_name("chatsync", "info");
-        debug_set_category_level_by_name("etcproute", "info");
+        debug_set_category_level_by_name("chat_sync", "info");
+        debug_set_category_level_by_name("etcp_route", "info");
+        debug_set_category_level_by_name("bgp", "trace");
     }
     utun_instance_set_tun_init_enabled(0);
     srand((unsigned)time(NULL));
@@ -486,19 +548,17 @@ int main(void) {
 
     for (int i = 0; i < N_NODES; i++) {
         char *pr = gv(g_cfg[i], "priv"), *pu = gv(g_cfg[i], "pub");
-        if (i == 0) {
-            wf(g_cfg[i], "[global]\nmy_private_key=%s\nmy_public_key=%s\ntun_ip=10.98.%d.1/24\ntun_ifname=tun%d0\n"
-                "db_path=%s\ndb_sync_enabled=1\n[server: s1]\naddr=127.0.0.1:%d\ntype=public\n[allowed_keys]\nallow_all=1\n",
-                pr, pu, i, i, g_db_dir[i], g_port[i]);
-        } else {
-            int prev = i - 1; char *pv_pu = gv(g_cfg[prev], "pub");
+        char clients[4096] = "";
+        for (int j = 0; j < i; j++) {
+            char *pj_pu = gv(g_cfg[j], "pub");
             char link[256]; snprintf(link, sizeof(link),
-                "[client: to_n%d]\nkeepalive=1\npeer_public_key=%s\nlink=s1:127.0.0.1:%d\n", prev, pv_pu, g_port[prev]);
-            wf(g_cfg[i], "[global]\nmy_private_key=%s\nmy_public_key=%s\ntun_ip=10.98.%d.1/24\ntun_ifname=tun%d0\n"
-                "db_path=%s\ndb_sync_enabled=1\n[server: s1]\naddr=127.0.0.1:%d\ntype=public\n%s[allowed_keys]\nallow_all=1\n",
-                pr, pu, i, i, g_db_dir[i], g_port[i], link);
-            u_free(pv_pu);
+                "[client: to_n%d]\nkeepalive=1\npeer_public_key=%s\nlink=s1:127.0.0.1:%d\n", j, pj_pu, g_port[j]);
+            strncat(clients, link, sizeof(clients) - strlen(clients) - 1);
+            u_free(pj_pu);
         }
+        wf(g_cfg[i], "[global]\nmy_private_key=%s\nmy_public_key=%s\ntun_ip=10.98.%d.1/24\ntun_ifname=tun%d0\n"
+            "db_path=%s\ndb_sync_enabled=1\n[server: s1]\naddr=127.0.0.1:%d\ntype=public\n%s[allowed_keys]\nallow_all=1\n",
+            pr, pu, i, i, g_db_dir[i], g_port[i], clients);
         u_free(pr); u_free(pu);
     }
 
@@ -506,6 +566,7 @@ int main(void) {
         g_inst[i] = utun_instance_create(g_ua, g_cfg[i]);
         if (!g_inst[i]) { printf("FAIL: create n%d\n", i); goto done; }
         utun_instance_init(g_inst[i]);
+        member_sync_init(g_inst[i]);
     }
 
     mon(NULL);
@@ -516,6 +577,10 @@ int main(void) {
 
     g_group_id = strtoull(CH_ID, NULL, 10);
 
+    /* media_files-таблица нужна на КАЖДОМ узле (в chat_core_init её создаёт media_index_init) —
+       иначе узел, принявший BLOCK_REQ, падает с "no such table: media_files". */
+    for (int i = 0; i < N_NODES; i++) media_index_init(g_inst[i]->topo_sqlite_db);
+
     setup_chat_group();
     setup_db_sync();
 
@@ -523,6 +588,10 @@ int main(void) {
         if (wait_pubkeys()) OK(); else FAIL();
     }
 
+    TEST("CHAT group BGP converged (routing ready)"); {
+        if (wait_chat_bgp()) OK(); else FAIL();
+    }
+
     TEST("author: index file + media_index_commit"); {
         if (author_index_file() == 0 && db_count(g_inst[I_N1]->topo_sqlite_db, "media_files", NULL, 0) == MEDIA_NUM_BLOCKS) OK();
         else FAIL();
@@ -534,12 +603,13 @@ int main(void) {
 
     /* Фаза 1: сообщение распространилось на все узлы */
     TEST("message propagated to all 6 nodes"); {
-        int a = 0, all = 0;
-        while (a < 4000) {
+        int all = 0;
+        uint64_t start = get_time_tb();
+        while ((get_time_tb() - start) < (uint64_t)60000) {
             all = 1;
             for (int i = 0; i < N_NODES; i++) if (db_sync_count(g_si[i]) < 1) all = 0;
             if (all) break;
-            uasync_poll(g_ua, POLL_MS); a++;
+            uasync_poll(g_ua, POLL_MS);
         }
         if (all) OK(); else FAIL("counts: %d %d %d %d %d %d",
             db_sync_count(g_si[0]), db_sync_count(g_si[1]), db_sync_count(g_si[2]),
@@ -550,8 +620,9 @@ int main(void) {
     TEST("storage st1/st2 downloaded + assembled media"); {
         char d1[1024], d2[1024];
         node_dest(I_ST1, d1, sizeof(d1)); node_dest(I_ST2, d2, sizeof(d2));
-        int a = 0;
-        while (a < 8000 && (!g_dl_done[I_ST1] || !g_dl_done[I_ST2])) { uasync_poll(g_ua, POLL_MS); a++; }
+        uint64_t start = get_time_tb();
+        while ((get_time_tb() - start) < (uint64_t)60000 && (!g_dl_done[I_ST1] || !g_dl_done[I_ST2]))
+            uasync_poll(g_ua, POLL_MS);
         if (g_dl_done[I_ST1] && g_dl_done[I_ST2] && g_dl_err[I_ST1] == 0 && g_dl_err[I_ST2] == 0
             && file_exists(d1) && file_exists(d2)) OK();
         else FAIL("st1 done=%d err=%d exists=%d; st2 done=%d err=%d exists=%d",
@@ -569,12 +640,13 @@ int main(void) {
 
     /* Фаза 3: суперузлы узнали о блоках + репликация между собой */
     TEST("supernodes have block_availability (from storage HAVE_BLOCK)"); {
-        int a = 0, ok = 0;
-        while (a < 2000) {
+        int ok = 0;
+        uint64_t start = get_time_tb();
+        while ((get_time_tb() - start) < (uint64_t)60000) {
             int n1 = db_count(g_inst[I_S1]->topo_sqlite_db, "block_availability", NULL, 0);
             int n2 = db_count(g_inst[I_S2]->topo_sqlite_db, "block_availability", NULL, 0);
             if (n1 >= 2 && n2 >= 2) { ok = 1; break; }
-            uasync_poll(g_ua, POLL_MS); a++;
+            uasync_poll(g_ua, POLL_MS);
         }
         if (ok) OK(); else FAIL("s1=%d s2=%d",
             db_count(g_inst[I_S1]->topo_sqlite_db, "block_availability", NULL, 0),
@@ -582,15 +654,16 @@ int main(void) {
     }
 
     TEST("supernode replication s1↔s2 (super_sync)"); {
-        int a = 0, ok = 0;
-        while (a < 2000) {
+        int ok = 0;
+        uint64_t start = get_time_tb();
+        while ((get_time_tb() - start) < (uint64_t)60000) {
             sqlite3_stmt* st = NULL; uint64_t lr = 0;
             sqlite3_prepare_v2(g_inst[I_S2]->topo_sqlite_db, "SELECT last_recv_id FROM super_sync WHERE peer_node_id=?", -1, &st, NULL);
             sqlite3_bind_int64(st, 1, (sqlite3_int64)g_nid[I_S1]);
             if (sqlite3_step(st) == SQLITE_ROW) lr = (uint64_t)sqlite3_column_int64(st, 0);
             sqlite3_finalize(st);
             if (lr > 0) { ok = 1; break; }
-            uasync_poll(g_ua, POLL_MS); a++;
+            uasync_poll(g_ua, POLL_MS);
         }
         if (ok) OK(); else FAIL();
     }
@@ -612,8 +685,9 @@ int main(void) {
         media_download_start(g_inst[I_N2], g_group_id, &r, dest, mbase, g_nid[I_N1], dl_done_cb, (void*)(intptr_t)I_N2, NULL, NULL);
         media_index_result_free(&r);
 
-        int a = 0;
-        while (a < 8000 && !g_dl_done[I_N2]) { uasync_poll(g_ua, POLL_MS); a++; }
+        uint64_t start = get_time_tb();
+        while ((get_time_tb() - start) < (uint64_t)60000 && !g_dl_done[I_N2])
+            uasync_poll(g_ua, POLL_MS);
         if (g_dl_done[I_N2] && g_dl_err[I_N2] == 0 && file_exists(dest)) OK();
         else FAIL("done=%d err=%d exists=%d", g_dl_done[I_N2], g_dl_err[I_N2], file_exists(dest));
     }