Add fuel logistics, modular construction, and pad docking

apps/backend/Data/WorldDefinitions.cs

@@ -5,8 +5,10 @@ public sealed class BalanceDefinition
     public float YPlane { get; set; }
     public float ArrivalThreshold { get; set; }
     public float MiningRate { get; set; }
+    public float MiningCycleSeconds { get; set; }
     public float TransferRate { get; set; }
     public float DockingDuration { get; set; }
+    public float UndockingDuration { get; set; }
     public float UndockDistance { get; set; }
     public EnergyBalanceDefinition Energy { get; set; } = new();
     public FuelBalanceDefinition Fuel { get; set; } = new();
@@ -68,6 +70,19 @@ public sealed class ItemDefinition
     public string Summary { get; set; } = string.Empty;
 }
 
+public sealed class RecipeInputDefinition
+{
+    public required string ItemId { get; set; }
+    public float Amount { get; set; }
+}
+
+public sealed class ModuleRecipeDefinition
+{
+    public required string ModuleId { get; set; }
+    public float Duration { get; set; }
+    public required List<RecipeInputDefinition> Inputs { get; set; }
+}
+
 public sealed class PlanetDefinition
 {
     public required string Label { get; set; }