Tick summon request timeout down in UI render loop; auto-expire on timeout

include/game/game_handler.hpp

@@ -713,6 +713,14 @@ public:
     float getSummonTimeoutSec() const { return summonTimeoutSec_; }
     void acceptSummon();
     void declineSummon();
+    void tickSummonTimeout(float dt) {
+        if (!pendingSummonRequest_) return;
+        summonTimeoutSec_ -= dt;
+        if (summonTimeoutSec_ <= 0.0f) {
+            pendingSummonRequest_ = false;
+            summonTimeoutSec_ = 0.0f;
+        }
+    }
 
     // ---- Trade ----
     enum class TradeStatus : uint8_t {

src/ui/game_screen.cpp

@@ -4407,6 +4407,11 @@ void GameScreen::renderDuelRequestPopup(game::GameHandler& gameHandler) {
 void GameScreen::renderSummonRequestPopup(game::GameHandler& gameHandler) {
     if (!gameHandler.hasPendingSummonRequest()) return;
 
+    // Tick the timeout down
+    float dt = ImGui::GetIO().DeltaTime;
+    gameHandler.tickSummonTimeout(dt);
+    if (!gameHandler.hasPendingSummonRequest()) return;  // expired
+
     auto* window = core::Application::getInstance().getWindow();
     float screenW = window ? static_cast<float>(window->getWidth()) : 1280.0f;