.

Lithium.sln

@@ -1,20 +1,26 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio Version 17
-VisualStudioVersion = 17.14.36408.4 d17.14
+VisualStudioVersion = 17.14.36408.4
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lithium", "Lithium\Lithium.csproj", "{71516142-7D3E-46A1-A6EC-E242CD128DB1}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
+		Debug|x64 = Debug|x64
 		Release|Any CPU = Release|Any CPU
+		Release|x64 = Release|x64
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
 		{71516142-7D3E-46A1-A6EC-E242CD128DB1}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{71516142-7D3E-46A1-A6EC-E242CD128DB1}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{71516142-7D3E-46A1-A6EC-E242CD128DB1}.Debug|x64.ActiveCfg = Debug|x64
+		{71516142-7D3E-46A1-A6EC-E242CD128DB1}.Debug|x64.Build.0 = Debug|x64
 		{71516142-7D3E-46A1-A6EC-E242CD128DB1}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{71516142-7D3E-46A1-A6EC-E242CD128DB1}.Release|Any CPU.Build.0 = Release|Any CPU
+		{71516142-7D3E-46A1-A6EC-E242CD128DB1}.Release|x64.ActiveCfg = Release|x64
+		{71516142-7D3E-46A1-A6EC-E242CD128DB1}.Release|x64.Build.0 = Release|x64
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

Lithium/A1/App.xaml.cs

@@ -1,10 +1,4 @@
-using System;
+using System.Windows;
-using System.Collections.Generic;
-using System.Configuration;
-using System.Data;
-using System.Linq;
-using System.Threading.Tasks;
-using System.Windows;
 
 namespace Lithium
 {

Lithium/ConfigLoader.cs

@@ -1,5 +1,4 @@
 using System;
-using System.Globalization;
 using System.IO;
 
 namespace Lua

Lithium/HotkeyHandler.cs

@@ -1,5 +1,4 @@
 using Lua;
-using System;
 using System.Threading;
 
 namespace Lithium

Lithium/Lithium.csproj

@@ -54,6 +54,26 @@
   <PropertyGroup>
     <ApplicationIcon>A1\a23ae8c4c6863364165637fb70679eb3.ico</ApplicationIcon>
   </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x64'">
+    <DebugSymbols>true</DebugSymbols>
+    <OutputPath>bin\x64\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <DebugType>full</DebugType>
+    <PlatformTarget>x64</PlatformTarget>
+    <LangVersion>7.3</LangVersion>
+    <ErrorReport>prompt</ErrorReport>
+    <Prefer32Bit>true</Prefer32Bit>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|x64'">
+    <OutputPath>bin\x64\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <Optimize>true</Optimize>
+    <DebugType>pdbonly</DebugType>
+    <PlatformTarget>x64</PlatformTarget>
+    <LangVersion>7.3</LangVersion>
+    <ErrorReport>prompt</ErrorReport>
+    <Prefer32Bit>true</Prefer32Bit>
+  </PropertyGroup>
   <ItemGroup>
     <Reference Include="Microsoft.Bcl.AsyncInterfaces, Version=10.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.Bcl.AsyncInterfaces.10.0.0\lib\net462\Microsoft.Bcl.AsyncInterfaces.dll</HintPath>

Lithium/OperatorSets.cs

@@ -31,6 +31,16 @@ namespace Lua
         // AA0058
         public static bool onAttackers = true;
 
+        private static string CacheDirectory =>
+            System.IO.Path.Combine(
+                Environment.GetFolderPath(Environment.SpecialFolder.UserProfile),
+                 "coax"
+            );
+
+        private static string CacheFile =>
+            System.IO.Path.Combine(CacheDirectory, "config_cache.txt");
+
+
         // AA0059
         private static string OnlineConfigUrl =>
             string.IsNullOrEmpty(ConfigLoader.userName)
@@ -96,8 +106,12 @@ namespace Lua
             defenderNames.Clear();
 
             var allLines = new List<string>();
+            bool loadedOnline = false;
 
-            // AA0066
+            // Ensure coax folder exists
+            try { System.IO.Directory.CreateDirectory(CacheDirectory); } catch { }
+
+            // Try loading from online source
             if (allowOnlineFetch && !string.IsNullOrEmpty(OnlineConfigUrl))
             {
                 try
@@ -105,14 +119,33 @@ namespace Lua
                     using (var client = new HttpClient())
                     {
                         string txt = client.GetStringAsync(OnlineConfigUrl).Result;
+
                         if (!string.IsNullOrWhiteSpace(txt))
+                        {
                             allLines.AddRange(txt.Split('\n'));
+
+                            // Save cache file in per-user coax folder
+                            System.IO.File.WriteAllText(CacheFile, txt);
+
+                            loadedOnline = true;
                         }
                     }
-                catch { /* AA0067 */ }
+                }
+                catch
+                {
+                    // Ignore; fallback handled below
+                }
             }
 
-            // AA0068
+            // If online fetch failed → fallback to cached file
+            if (!loadedOnline && System.IO.File.Exists(CacheFile))
+            {
+                var cached = System.IO.File.ReadAllLines(CacheFile);
+                if (cached.Length > 0)
+                    allLines.AddRange(cached);
+            }
+
+            // Also load config.txt (local overrides)
             var local = Helper.ReadLinesSafe("config.txt");
             if (local != null && local.Length > 0)
                 allLines.AddRange(local);
@@ -120,13 +153,13 @@ namespace Lua
             bool inAttackers = false;
             bool inDefenders = false;
 
-            // AA0069
             foreach (var raw in allLines)
             {
                 if (string.IsNullOrWhiteSpace(raw)) continue;
                 var line = raw.Trim();
 
-                if (line.StartsWith("--") || line.StartsWith("#")) continue;
+                if (line.StartsWith("--") || line.StartsWith("#"))
+                    continue;
 
                 if (line.StartsWith("attackers", StringComparison.OrdinalIgnoreCase))
                 {
@@ -171,6 +204,7 @@ namespace Lua
                 CurrentOperator = CurrentSet;
         }
 
+
         // AA0070
         public static void MergeSets()
         {

Lithium/Properties/AssemblyInfo.cs

@@ -1,6 +1,4 @@
 using System.Reflection;
-using System.Resources;
-using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 using System.Windows;
 

Lithium/Utils.cs

@@ -1,7 +1,6 @@
 using System;
 using System.Runtime.InteropServices;
 using System.Speech.Synthesis;
-using System.Threading;
 
 namespace Lua
 {

Lithium/helper.cs

@@ -1,6 +1,6 @@
 using System;
-using System.IO;
 using System.Globalization;
+using System.IO;
 using System.Text.RegularExpressions;
 
 namespace Lua