chat: локальное удаление канала (Android) + db_sync инстансы в куче

src/chat/chat_sync.c

@@ -679,6 +679,20 @@ void chat_sync_connect_node(struct UTUN_INSTANCE* inst, uint64_t node_id) {
     (void)inst; (void)node_id;
 }
 
+void chat_sync_on_channel_deleted(struct UTUN_INSTANCE* inst, const char* ch_id) {
+    (void)inst;
+    if (!g_cs || !ch_id || !ch_id[0]) return;
+    for (int i = 0; i < g_cs->channel_count; i++) {
+        if (strcmp(g_cs->channels[i].channel_id, ch_id) != 0) continue;
+        if (g_cs->channels[i].peer_ids) u_free(g_cs->channels[i].peer_ids);
+        memmove(&g_cs->channels[i], &g_cs->channels[i + 1],
+                (size_t)(g_cs->channel_count - i - 1) * sizeof(struct channel_cache));
+        g_cs->channel_count--;
+        DEBUG_INFO(DEBUG_CATEGORY_MEMBER_SYNC, "%s: channel removed from cache ch=%s", CS_ID, ch_id);
+        return;
+    }
+}
+
 struct chat_invite {
     uint64_t channel_id;
     uint64_t node_id;