feat: Add metro transit, gadgets, shop, social apps, and traffic models checkpoint

Ananta.Server/Ananta.Handlers/Game/GameRouter.Npc.cs

@@ -205,6 +205,16 @@ internal sealed partial class GameRouter
             await session.NotifyAsync(MethodId.SyncManagedLogicAgent,
                 UxSerializer.Serialize(WorldCodec.ManagedLogicAgent(id, Profile.PlayerPid, 0)), CancellationToken.None);
 
+            // Gate-opener for NPC interaction: EnableInteract=true is what makes the client
+            // show the F prompt / interaction menu for this NPC (AgentPropertyType 0).
+            await session.NotifyAsync(MethodId.IGameSceneToClient_SyncAgentPropertyChange,
+                UxSerializer.Serialize(new SceneMethods.SyncAgentPropertyBoolChange4229938
+                {
+                    AgentId = id,
+                    Type = 0, // AgentPropertyType.EnableInteract
+                    V = new SceneMethods.AgentPropertyDataBool4229938 { V = true },
+                }), CancellationToken.None);
+
             if (poi is { UsageId: not 0 })
             {
                 await session.NotifyAsync(MethodId.SyncAgentBelongings,
@@ -244,8 +254,15 @@ internal sealed partial class GameRouter
         }
     }
 
+    private const string AetherNpcInitSentKey = "aetherNpcInitSent";
+
     private static async Task SendAetherInitForNpcAsync(TcpSession session)
     {
+        // One init per session — re-sending the same AetherAIInitDatas repeatedly right
+        // after world entry is redundant (and noisy).
+        if (session.Items.ContainsKey(AetherNpcInitSentKey))
+            return;
+        session.Items[AetherNpcInitSentKey] = true;
         var settings = PrivateServerConfigStore.Current.Gameplay.Vehicles;
         var activeRaidId = GetStateIfExists(session)?.ActiveRaidId ?? Profile.RaidId;
         var hasZoneGraph = activeRaidId == PrivateServerConfigStore.Current.World.RaidId;
@@ -254,9 +271,9 @@ internal sealed partial class GameRouter
             RaidId = activeRaidId,
             HasZoneGraph = hasZoneGraph,
             ZoneStorageDataHandle = hasZoneGraph ? settings.ZoneStorageDataHandle : 0,
-            Intersections = [],
+            Intersections = BuildAetherIntersectionInitList(),
         }), CancellationToken.None);
-        session.Log.Info($"[AETHER] init sent raid={activeRaidId} zoneGraph={hasZoneGraph} intersections=empty");
+        session.Log.Info($"[AETHER] init sent raid={activeRaidId} zoneGraph={hasZoneGraph} intersections={BuildAetherIntersectionInitList().Count}");
     }
 
     internal static GameMethods.NpcAgentSyncClientInfo4229938 CreateStaticNpcSyncInfo(