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

Ananta.Server/Ananta.Gameplay/Crowd/UrbanCrowdEngine.cs

@@ -2,6 +2,7 @@ using System.Collections.Concurrent;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 using Ananta.SDK.Network;
+using Ananta.Server.ClientData.Client4229938;
 using Ananta.Server.Protocol.Client4229938;
 
 namespace Ananta.Server.Gameplay.Crowd;
@@ -121,8 +122,43 @@ public sealed class UrbanCrowdEngine
         40968790, // Kaneko Mei - Pedestrian
     ];
 
-    // Common idle / chatter / phone POI action IDs
-    private static readonly uint[] AmbientPoiActions = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
+    // Contextual ambient POI pools, built from the client's UrbanDiversityPOIActionConfig by
+    // NAME keyword. The old fixed [1..10] roll included 走路 (walk-in-place), 跑步 (run) and
+    // 受惊 (startled) — motion/fear states that looked broken on a standing NPC. 站姿* rows
+    // are the authored standing set (phone, look-around, lean, clap…); shop rows add
+    // browsing/vending actions for interior patrons.
+    private uint[]? _idlePoiPool;
+    private uint[]? _shopPoiPool;
+
+    private uint[] IdlePoiPool()
+    {
+        if (_idlePoiPool is null)
+        {
+            var pool = PoiActionCatalog4229938.All()
+                .Where(p => p.MainActions.Length > 0 && p.Name.StartsWith("站姿", StringComparison.Ordinal))
+                .Select(p => p.Id)
+                .ToList();
+            pool.Insert(0, 2u); // plain idle is always valid
+            _idlePoiPool = pool.ToArray();
+        }
+        return _idlePoiPool;
+    }
+
+    private uint[] ShopPoiPool()
+    {
+        if (_shopPoiPool is null)
+        {
+            var pool = PoiActionCatalog4229938.All()
+                .Where(p => p.MainActions.Length > 0 &&
+                            (p.Name.StartsWith("站姿", StringComparison.Ordinal) ||
+                             p.Name.Contains("商品") || p.Name.Contains("售货机") || p.Name.Contains("购物")))
+                .Select(p => p.Id)
+                .ToList();
+            pool.Insert(0, 2u);
+            _shopPoiPool = pool.ToArray();
+        }
+        return _shopPoiPool;
+    }
 
     private readonly Random _rng = new();
 
@@ -400,7 +436,8 @@ public sealed class UrbanCrowdEngine
 
                                     // Spawn 1 shopkeeper/patron inside
                                     var formworkId = CitizenFormworkPool[_rng.Next(CitizenFormworkPool.Length)];
-                                    var poiAction = AmbientPoiActions[_rng.Next(AmbientPoiActions.Length)];
+                                    var shopPool = ShopPoiPool();
+                                    var poiAction = shopPool[_rng.Next(shopPool.Length)];
                                     var facing = _rng.Next(0, 360);
 
                                     var (ok, ids) = await _driver.SpawnCrowdPedestriansAsync(
@@ -475,7 +512,8 @@ public sealed class UrbanCrowdEngine
                 var spawnY = MathF.Abs(pt0[1] - py) > 2.5f ? py : pt0[1];
                 var formworkId = CitizenFormworkPool[_rng.Next(CitizenFormworkPool.Length)];
                 var isWalker = _rng.Next(100) < 60; // 60% walkers, 40% ambient idle/talkers
-                var poiAction = isWalker ? 0u : AmbientPoiActions[_rng.Next(AmbientPoiActions.Length)];
+                var idlePool = IdlePoiPool();
+                var poiAction = isWalker ? 0u : idlePool[_rng.Next(idlePool.Length)];
                 var facing = _rng.Next(0, 360);
 
                 var (ok, ids) = await _driver.SpawnCrowdPedestriansAsync(