Add log-only BB account sync login hook

src/ReceiveCommands.cc

@@ -27,6 +27,7 @@
 #include "StaticGameData.hh"
 #include "Text.hh"
 #include "BrutalPeeps.hh"
+#include "AccountSync.hh"
 
 const char* BATTLE_TABLE_DISCONNECT_HOOK_NAME = "battle_table_state";
 const char* QUEST_BARRIER_DISCONNECT_HOOK_NAME = "quest_barrier";
@@ -1672,6 +1673,14 @@ static asio::awaitable<void> on_93_BB(std::shared_ptr<Client> c, Channel::Messag
     co_return;
   }
 
+  if (c->login->account && c->login->bb_license) {
+    AccountSync::notify_bb_login_start(
+        c->login->account->account_id,
+        c->login->bb_license->username,
+        c->bb_character_index,
+        c->bb_connection_phase);
+  }
+
   std::string version_string = c->bb_client_config.as_string();
   phosg::strip_trailing_zeroes(version_string);
   // If the version std::string starts with "Ver.", assume it's Sega and apply the normal version encoding logic. Otherwise,