chore: track loaded zones in ui

src/ModMan/Context/FastFileContext.cpp

@@ -1,12 +1,42 @@
 #include "FastFileContext.h"
 
+#include "Web/Binds/FastFileBinds.h"
+#include "Web/UiCommunication.h"
 #include "ZoneLoading.h"
 
+void FastFileContext::Destroy()
+{
+    // Unload all zones
+    m_loaded_zones.clear();
+}
+
 result::Expected<Zone*, std::string> FastFileContext::LoadFastFile(const std::string& path)
 {
     auto zone = ZoneLoading::LoadZone(path);
     if (!zone)
         return result::Unexpected(std::move(zone.error()));
 
-    return m_loaded_zones.emplace_back(std::move(*zone)).get();
+    auto* result = m_loaded_zones.emplace_back(std::move(*zone)).get();
+
+    ui::NotifyZoneLoaded(result->m_name, path);
+
+    return result;
+}
+
+result::Expected<NoResult, std::string> FastFileContext::UnloadZone(const std::string& zoneName)
+{
+    const auto existingZone = std::ranges::find_if(m_loaded_zones,
+                                                   [&zoneName](const std::unique_ptr<Zone>& zone)
+                                                   {
+                                                       return zone->m_name == zoneName;
+                                                   });
+
+    if (existingZone != m_loaded_zones.end())
+    {
+        m_loaded_zones.erase(existingZone);
+        ui::NotifyZoneUnloaded(zoneName);
+        return NoResult();
+    }
+
+    return result::Unexpected(std::format("No zone with name {} loaded", zoneName));
 }