Add batch operations and merchant cockpit

src/DataModel/Configuration/GameServerDefinition.cs

@@ -30,6 +30,12 @@ public partial class GameServerDefinition
     /// </summary>
     public float ExperienceRate { get; set; }
 
+    /// <summary>
+    /// Gets or sets the Zen/money multiplier for the specific server.
+    /// This is applied in addition to the character/global MoneyAmountRate.
+    /// </summary>
+    public float MoneyRate { get; set; } = 1.0f;
+
     /// <summary>
     /// Gets or sets a value indicating whether PVP is enabled on this server.
     /// </summary>

src/GameLogic/GameContext.cs

@@ -113,6 +113,9 @@ public GameContext(GameConfiguration configuration, IPersistenceContextProvider
     /// <inheritdoc />
     public virtual float ExperienceRate => this.Configuration.ExperienceRate;
 
+    /// <inheritdoc />
+    public virtual float MoneyRate => 1.0f;
+
     /// <inheritdoc />
     public virtual float MasterExperienceRate => this.Configuration.MasterExperienceRate;
 

src/GameLogic/IGameContext.cs

@@ -32,6 +32,11 @@ public interface IGameContext
     /// </summary>
     float ExperienceRate { get; }
 
+    /// <summary>
+    /// Gets the effective Zen/money multiplier of this game server.
+    /// </summary>
+    float MoneyRate { get; }
+
     /// <summary>
     /// Gets the global master experience rate.
     /// </summary>

src/GameLogic/MoneyDistribution.cs

@@ -139,7 +139,10 @@ public static bool TryPay(Player player, uint amount)
 
         // The rate is applied in double precision: a float multiplication would round money amounts
         // above the ~16.7M the float mantissa can represent exactly, before the cast to long.
-        var scaled = (long)(amount * (double)(player.Attributes?[Stats.MoneyAmountRate] ?? 1.0f));
+        var scaled = (long)(
+            amount
+            * (double)(player.Attributes?[Stats.MoneyAmountRate] ?? 1.0f)
+            * (double)(player.GameContext?.MoneyRate ?? 1.0f));
         if (scaled <= 0)
         {
             return false;

src/GameServer/GameServerContext.cs

@@ -105,6 +105,9 @@ public GameServerContext(
     /// <inheritdoc />
     public override float ExperienceRate => base.ExperienceRate * this._gameServerDefinition.ExperienceRate;
 
+    /// <inheritdoc />
+    public override float MoneyRate => base.MoneyRate * this._gameServerDefinition.MoneyRate;
+
     /// <inheritdoc />
     public override float MasterExperienceRate => base.MasterExperienceRate * this._gameServerDefinition.ExperienceRate;
 

src/Persistence/EntityFramework/Migrations/20260811103000_AddGameServerMoneyRate.cs

@@ -0,0 +1,40 @@
+// <copyright file="20260811103000_AddGameServerMoneyRate.cs" company="MUnique">
+// Licensed under the MIT License. See LICENSE file in the project root for full license information.
+// </copyright>
+
+#nullable disable
+
+namespace MUnique.OpenMU.Persistence.EntityFramework.Migrations
+{
+    using Microsoft.EntityFrameworkCore.Infrastructure;
+    using Microsoft.EntityFrameworkCore.Migrations;
+
+    /// <summary>
+    /// Adds a per-game-server Zen multiplier for MU Nueva Era.
+    /// </summary>
+    [DbContext(typeof(EntityDataContext))]
+    [Migration("20260811103000_AddGameServerMoneyRate")]
+    public partial class AddGameServerMoneyRate : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<float>(
+                name: "MoneyRate",
+                schema: "config",
+                table: "GameServerDefinition",
+                type: "real",
+                nullable: false,
+                defaultValue: 1f);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "MoneyRate",
+                schema: "config",
+                table: "GameServerDefinition");
+        }
+    }
+}

src/Web/AdminPanel/Components/Layout/ConfigNavMenu.razor

@@ -13,10 +13,16 @@
         <NavLink class="dropdown-item" href="@($"edit-config/{typeof(GameConfiguration).FullName}/{this.GameConfigurationId}/hide-collections")" @onclick="() => NavigationHistory.Clear()">@Resources.General</NavLink>
         <NavLink class="dropdown-item" href="@($"edit-config-grid/{typeof(MonsterDefinition).FullName}/")" @onclick="() => NavigationHistory.Clear()">@Resources.Monsters</NavLink>
         <NavLink class="dropdown-item" href="@($"merchants/")" @onclick="() => NavigationHistory.Clear()">@Resources.MerchantStores</NavLink>
+        <NavLink class="dropdown-item" href="merchant-cockpit" @onclick="() => NavigationHistory.Clear()">
+            <span class="oi oi-cart" aria-hidden="true"></span> Merchant Cockpit
+        </NavLink>
         <NavLink class="dropdown-item" href="@($"edit-config-grid/{typeof(CharacterClass).FullName}/")" @onclick="() => NavigationHistory.Clear()">@Resources.CharacterClasses</NavLink>
         <NavLink class="dropdown-item" href="@($"edit-config-grid/{typeof(Skill).FullName}/")" @onclick="() => NavigationHistory.Clear()">@Resources.Skills</NavLink>
         <NavLink class="dropdown-item" href="@($"edit-config-grid/{typeof(ItemDefinition).FullName}/")" @onclick="() => NavigationHistory.Clear()">@Resources.Items</NavLink>
         <NavLink class="dropdown-item" href="@($"edit-config-grid/{typeof(DropItemGroup).FullName}/")" @onclick="() => NavigationHistory.Clear()">@Resources.DropItemGroups</NavLink>
+        <NavLink class="dropdown-item" href="batch-operations" @onclick="() => NavigationHistory.Clear()">
+            <span class="oi oi-cog" aria-hidden="true"></span> Operaciones por lote
+        </NavLink>
         <NavLink class="dropdown-item" href="@($"edit-config-grid/{typeof(GameMapDefinition).FullName}/")" @onclick="() => NavigationHistory.Clear()">@Resources.GameMaps</NavLink>
         <NavLink class="dropdown-item" href="@($"edit-config-grid/{typeof(MiniGameDefinition).FullName}/")" @onclick="() => NavigationHistory.Clear()">@Resources.MiniGames</NavLink>
         <NavLink class="dropdown-item" href="@($"edit-config-grid/{typeof(WarpInfo).FullName}/")" @onclick="() => NavigationHistory.Clear()">@Resources.WarpList</NavLink>