feat: improve arena team UI with names, types, and roster requests

Store team name and type (2v2/3v3/5v5) from SMSG_ARENA_TEAM_QUERY_RESPONSE.
Display proper team labels instead of raw IDs. Add Load/Refresh roster
buttons and CMSG_ARENA_TEAM_ROSTER request support.

include/game/game_handler.hpp

@@ -1431,8 +1431,11 @@ public:
         uint32_t seasonGames  = 0;
         uint32_t seasonWins   = 0;
         uint32_t rank         = 0;
+        std::string teamName;
+        uint32_t teamType     = 0; // 2, 3, or 5
     };
     const std::vector<ArenaTeamStats>& getArenaTeamStats() const { return arenaTeamStats_; }
+    void requestArenaTeamRoster(uint32_t teamId);
 
     // ---- Arena Team Roster ----
     struct ArenaTeamMember {

src/game/game_handler.cpp

@@ -17000,7 +17000,25 @@ void GameHandler::handleArenaTeamQueryResponse(network::Packet& packet) {
     if (packet.getSize() - packet.getReadPos() < 4) return;
     uint32_t teamId = packet.readUInt32();
     std::string teamName = packet.readString();
-    LOG_INFO("Arena team query response: id=", teamId, " name=", teamName);
+    uint32_t teamType = 0;
+    if (packet.getSize() - packet.getReadPos() >= 4)
+        teamType = packet.readUInt32();
+    LOG_INFO("Arena team query response: id=", teamId, " name=", teamName, " type=", teamType);
+
+    // Store name and type in matching ArenaTeamStats entry
+    for (auto& s : arenaTeamStats_) {
+        if (s.teamId == teamId) {
+            s.teamName = teamName;
+            s.teamType = teamType;
+            return;
+        }
+    }
+    // No stats entry yet — create a placeholder so we can show the name
+    ArenaTeamStats stub;
+    stub.teamId   = teamId;
+    stub.teamName = teamName;
+    stub.teamType = teamType;
+    arenaTeamStats_.push_back(std::move(stub));
 }
 
 void GameHandler::handleArenaTeamRoster(network::Packet& packet) {
@@ -17144,18 +17162,29 @@ void GameHandler::handleArenaTeamStats(network::Packet& packet) {
     stats.seasonWins  = packet.readUInt32();
     stats.rank        = packet.readUInt32();
 
-    // Update or insert for this team
+    // Update or insert for this team (preserve name/type from query response)
     for (auto& s : arenaTeamStats_) {
         if (s.teamId == stats.teamId) {
-            s = stats;
+            stats.teamName = std::move(s.teamName);
-            LOG_INFO("SMSG_ARENA_TEAM_STATS: teamId=", stats.teamId,
+            stats.teamType = s.teamType;
-                     " rating=", stats.rating, " rank=", stats.rank);
+            s = std::move(stats);
+            LOG_INFO("SMSG_ARENA_TEAM_STATS: teamId=", s.teamId,
+                     " rating=", s.rating, " rank=", s.rank);
             return;
         }
     }
-    arenaTeamStats_.push_back(stats);
+    arenaTeamStats_.push_back(std::move(stats));
-    LOG_INFO("SMSG_ARENA_TEAM_STATS: teamId=", stats.teamId,
+    LOG_INFO("SMSG_ARENA_TEAM_STATS: teamId=", arenaTeamStats_.back().teamId,
-             " rating=", stats.rating, " rank=", stats.rank);
+             " rating=", arenaTeamStats_.back().rating,
+             " rank=", arenaTeamStats_.back().rank);
+}
+
+void GameHandler::requestArenaTeamRoster(uint32_t teamId) {
+    if (!socket) return;
+    network::Packet pkt(wireOpcode(Opcode::CMSG_ARENA_TEAM_ROSTER));
+    pkt.writeUInt32(teamId);
+    socket->send(pkt);
+    LOG_INFO("Requesting arena team roster for teamId=", teamId);
 }
 
 void GameHandler::handleArenaError(network::Packet& packet) {

src/ui/game_screen.cpp

@@ -14755,10 +14755,15 @@ void GameScreen::renderSocialFrame(game::GameHandler& gameHandler) {
                         const auto& ts = arenaStats[ai];
                         ImGui::PushID(static_cast<int>(ai));
 
-                        // Team header with rating
+                        // Team header: "2v2: Team Name" or fallback "Team #id"
-                        char teamLabel[48];
+                        std::string teamLabel;
-                        snprintf(teamLabel, sizeof(teamLabel), "Team #%u", ts.teamId);
+                        if (ts.teamType > 0)
-                        ImGui::TextColored(ImVec4(1.0f, 0.85f, 0.2f, 1.0f), "%s", teamLabel);
+                            teamLabel = std::to_string(ts.teamType) + "v" + std::to_string(ts.teamType) + ": ";
+                        if (!ts.teamName.empty())
+                            teamLabel += ts.teamName;
+                        else
+                            teamLabel += "Team #" + std::to_string(ts.teamId);
+                        ImGui::TextColored(ImVec4(1.0f, 0.85f, 0.2f, 1.0f), "%s", teamLabel.c_str());
 
                         ImGui::Indent(8.0f);
                         // Rating and rank
@@ -14784,6 +14789,10 @@ void GameScreen::renderSocialFrame(game::GameHandler& gameHandler) {
                             ImGui::Spacing();
                             ImGui::TextDisabled("-- Roster (%zu members) --",
                                                 roster->members.size());
+                            ImGui::SameLine();
+                            if (ImGui::SmallButton("Refresh"))
+                                gameHandler.requestArenaTeamRoster(ts.teamId);
+
                             // Column headers
                             ImGui::Columns(4, "##arenaRosterCols", false);
                             ImGui::SetColumnWidth(0, 110.0f);
@@ -14819,6 +14828,10 @@ void GameScreen::renderSocialFrame(game::GameHandler& gameHandler) {
                                 ImGui::NextColumn();
                             }
                             ImGui::Columns(1);
+                        } else {
+                            ImGui::Spacing();
+                            if (ImGui::SmallButton("Load Roster"))
+                                gameHandler.requestArenaTeamRoster(ts.teamId);
                         }
 
                         ImGui::Unindent(8.0f);