diff --git a/src/components/ModsSection.tsx b/src/components/ModsSection.tsx
index 038b24f..c45d78d 100644
--- a/src/components/ModsSection.tsx
+++ b/src/components/ModsSection.tsx
@@ -246,7 +246,7 @@ const ModsSection: React.FC<ModsSectionProps> = ({ version }) => {
               <div className="p-6 space-y-3 max-h-64 overflow-y-auto">
                 {allVersions.map((v) => {
                   const isSupported =
-                    selectedModForInstall.supportedVersions.includes(v.id);
+                    selectedModForInstall.supported_versions.includes(v.id);
                   const isSelected = selectedVersionsForInstall.includes(v.id);
 
                   return (
diff --git a/src/components/SettingsSection.tsx b/src/components/SettingsSection.tsx
index 8722327..884a4ba 100644
--- a/src/components/SettingsSection.tsx
+++ b/src/components/SettingsSection.tsx
@@ -1,75 +1,89 @@
-import React, { useState, useEffect } from 'react'
-import { Cpu, MemoryStick, Save, RefreshCcw, Info, AlertTriangle } from 'lucide-react'
-import { getSettings, updateSettings, type LauncherSettings } from '../services/LauncherService'
-import { motion } from 'framer-motion'
+import React, { useState, useEffect } from "react";
+import {
+  Cpu,
+  MemoryStick,
+  Save,
+  RefreshCcw,
+  Info,
+  AlertTriangle,
+} from "lucide-react";
+import {
+  getSettings,
+  updateSettings,
+  type LauncherSettings,
+} from "../services/LauncherService";
+import { motion } from "framer-motion";
 
 const SettingsSection: React.FC = () => {
-  const [settings, setSettings] = useState<LauncherSettings | null>(null)
-  const [isSaving, setIsSaving] = useState(false)
-  const [saveStatus, setSaveStatus] = useState('')
+  const [settings, setSettings] = useState<LauncherSettings | null>(null);
+  const [isSaving, setIsSaving] = useState(false);
+  const [saveStatus, setSaveStatus] = useState("");
 
   useEffect(() => {
     const loadSettings = async () => {
-      const s = await getSettings()
-      setSettings(s)
-    }
-    loadSettings()
-  }, [])
+      const s = await getSettings();
+      setSettings(s);
+    };
+    loadSettings();
+  }, []);
 
   const handleSave = async () => {
-    if (!settings) return
-    setIsSaving(true)
-    setSaveStatus('Saving...')
-    
-    await updateSettings(settings)
-    
+    if (!settings) return;
+    setIsSaving(true);
+    setSaveStatus("Saving...");
+
+    await updateSettings(settings);
+
     setTimeout(() => {
-      setIsSaving(false)
-      setSaveStatus('Settings saved')
-      setTimeout(() => setSaveStatus(''), 2000)
-    }, 1000)
-  }
+      setIsSaving(false);
+      setSaveStatus("Settings saved");
+      setTimeout(() => setSaveStatus(""), 2000);
+    }, 1000);
+  };
 
   const handleReset = async () => {
     // In a real app, this would reset to defaults in the service
     const defaultSettings: LauncherSettings = {
-      jvmArguments: '-XX:+UseG1GC -XX:+ParallelRefProcEnabled -XX:MaxGCPauseMillis=200',
-      maxMemory: 4096,
-    }
-    setSettings(defaultSettings)
-  }
+      jvm_arguments:
+        "-XX:+UseG1GC -XX:+ParallelRefProcEnabled -XX:MaxGCPauseMillis=200",
+      max_memory: 4096,
+    };
+    setSettings(defaultSettings);
+  };
 
-  if (!settings) return null
+  if (!settings) return null;
 
   return (
     <div className="max-w-4xl mx-auto h-full flex flex-col gap-8">
       <div className="flex items-center justify-between border-b border-saturn-border pb-6">
         <div>
           <h1 className="text-2xl font-bold">Performance Settings</h1>
-          <p className="text-sm text-saturn-text-secondary">Configure how Saturn Client interacts with your hardware.</p>
+          <p className="text-sm text-saturn-text-secondary">
+            Configure how Saturn Client interacts with your hardware.
+          </p>
         </div>
         <div className="flex items-center gap-3">
-          <button 
+          <button
             onClick={handleReset}
             className="p-2 text-saturn-text-secondary hover:text-white transition-colors"
             title="Reset to Defaults"
           >
             <RefreshCcw size={20} />
           </button>
-          <button 
+          <button
             onClick={handleSave}
             disabled={isSaving}
             className="btn-primary flex items-center gap-2 py-2 px-6 text-sm font-bold"
           >
             <Save size={16} />
-            {saveStatus || 'SAVE SETTINGS'}
+            {saveStatus || "SAVE SETTINGS"}
           </button>
         </div>
       </div>
 
       <div className="grid grid-cols-1 gap-8">
         {/* Memory Allocation */}
-        <motion.div 
+        <motion.div
           initial={{ opacity: 0, y: 10 }}
           animate={{ opacity: 1, y: 0 }}
           className="panel p-6 space-y-6"
@@ -84,19 +98,26 @@ const SettingsSection: React.FC = () => {
           <div className="space-y-4">
             <div className="flex justify-between items-center">
               <span className="text-sm font-medium">Maximum Memory (RAM)</span>
-              <span className="text-lg font-bold text-saturn-accent">{(settings.maxMemory / 1024).toFixed(1)} GB</span>
+              <span className="text-lg font-bold text-saturn-accent">
+                {(settings.max_memory / 1024).toFixed(1)} GB
+              </span>
             </div>
-            
-            <input 
-              type="range" 
-              min="1024" 
-              max="16384" 
+
+            <input
+              type="range"
+              min="1024"
+              max="16384"
               step="512"
-              value={settings.maxMemory}
-              onChange={(e) => setSettings({ ...settings, maxMemory: parseInt(e.target.value) })}
+              value={settings.max_memory}
+              onChange={(e) =>
+                setSettings({
+                  ...settings,
+                  max_memory: parseInt(e.target.value),
+                })
+              }
               className="w-full h-2 bg-saturn-border rounded-lg appearance-none cursor-pointer accent-saturn-accent"
             />
-            
+
             <div className="flex justify-between text-[10px] text-saturn-text-secondary font-bold uppercase tracking-widest">
               <span>1 GB</span>
               <span>4 GB</span>
@@ -108,14 +129,16 @@ const SettingsSection: React.FC = () => {
             <div className="p-3 bg-blue-500/5 border border-blue-500/10 rounded-lg flex gap-3">
               <Info size={16} className="text-blue-400 shrink-0 mt-0.5" />
               <p className="text-xs text-blue-300/80 leading-relaxed">
-                Allocating too much memory can cause system instability, while too little can lead to performance issues or crashes. 4GB - 8GB is recommended for most users.
+                Allocating too much memory can cause system instability, while
+                too little can lead to performance issues or crashes. 4GB - 8GB
+                is recommended for most users.
               </p>
             </div>
           </div>
         </motion.div>
 
         {/* JVM Arguments */}
-        <motion.div 
+        <motion.div
           initial={{ opacity: 0, y: 10 }}
           animate={{ opacity: 1, y: 0 }}
           transition={{ delay: 0.1 }}
@@ -130,27 +153,34 @@ const SettingsSection: React.FC = () => {
 
           <div className="space-y-4">
             <p className="text-xs text-saturn-text-secondary leading-relaxed">
-              Advanced flags for the Java Virtual Machine. Saturn Client includes optimized defaults, but you can override them here.
+              Advanced flags for the Java Virtual Machine. Saturn Client
+              includes optimized defaults, but you can override them here.
             </p>
-            
-            <textarea 
-              value={settings.jvmArguments}
-              onChange={(e) => setSettings({ ...settings, jvmArguments: e.target.value })}
+
+            <textarea
+              value={settings.jvm_arguments}
+              onChange={(e) =>
+                setSettings({ ...settings, jvm_arguments: e.target.value })
+              }
               className="w-full h-32 bg-saturn-bg border border-saturn-border rounded-lg p-4 text-sm font-mono text-saturn-text-secondary focus:outline-none focus:border-saturn-accent/50 focus:ring-1 focus:ring-saturn-accent/50 transition-all resize-none"
               placeholder="-XX:+UseG1GC..."
             />
 
             <div className="p-3 bg-yellow-500/5 border border-yellow-500/10 rounded-lg flex gap-3">
-              <AlertTriangle size={16} className="text-yellow-500 shrink-0 mt-0.5" />
+              <AlertTriangle
+                size={16}
+                className="text-yellow-500 shrink-0 mt-0.5"
+              />
               <p className="text-xs text-yellow-500/80 leading-relaxed">
-                Incorrect JVM arguments can prevent the game from starting. Only modify if you know what you're doing.
+                Incorrect JVM arguments can prevent the game from starting. Only
+                modify if you know what you're doing.
               </p>
             </div>
           </div>
         </motion.div>
       </div>
     </div>
-  )
-}
+  );
+};
 
-export default SettingsSection
+export default SettingsSection;
diff --git a/src/services/LauncherService.ts b/src/services/LauncherService.ts
index 986a2ae..df0f99d 100644
--- a/src/services/LauncherService.ts
+++ b/src/services/LauncherService.ts
@@ -1,28 +1,5 @@
 import { invoke } from "@tauri-apps/api/core";
-
-// --- Types ---
-export interface Mod {
-  id: string;
-  name: string;
-  version: string;
-  author: string;
-  description: string;
-  enabled: boolean;
-  icon?: string;
-  supportedVersions: string[];
-}
-
-export interface GameVersion {
-  id: string;
-  name: string;
-  releaseDate: string;
-  type: "release" | "snapshot";
-}
-
-export interface LauncherSettings {
-  jvmArguments: string;
-  maxMemory: number;
-}
+import { GameVersion, LauncherSettings, Mod } from "./Types";
 
 // --- Versions ---
 export async function getVersions(): Promise<GameVersion[]> {
@@ -47,7 +24,7 @@ export async function discoverMods(query: string): Promise<Mod[]> {
       author: "TerraformersMC",
       description: "Adds a mod menu to view the list of installed mods.",
       enabled: false,
-      supportedVersions: ["1.20.1", "1.20.4", "1.21"],
+      supported_versions: ["1.20.1", "1.20.4", "1.21"],
     },
     {
       id: "starlight",
@@ -56,7 +33,7 @@ export async function discoverMods(query: string): Promise<Mod[]> {
       author: "Spottedleaf",
       description: "Rewrites the light engine to fix performance issues.",
       enabled: false,
-      supportedVersions: ["1.20.1"],
+      supported_versions: ["1.20.1"],
     },
     {
       id: "ferritecore",
@@ -65,7 +42,7 @@ export async function discoverMods(query: string): Promise<Mod[]> {
       author: "malte0811",
       description: "Memory usage optimizations.",
       enabled: false,
-      supportedVersions: ["1.20.1", "1.20.4", "1.21"],
+      supported_versions: ["1.20.1", "1.20.4", "1.21"],
     },
   ];
 
diff --git a/src/services/Types.ts b/src/services/Types.ts
new file mode 100644
index 0000000..98cdd86
--- /dev/null
+++ b/src/services/Types.ts
@@ -0,0 +1,22 @@
+export interface Mod {
+  id: string;
+  name: string;
+  version: string;
+  author: string;
+  description: string;
+  enabled: boolean;
+  icon?: string;
+  supported_versions: string[];
+}
+
+export interface GameVersion {
+  id: string;
+  name: string;
+  release_date: string;
+  type: "release" | "snapshot";
+}
+
+export interface LauncherSettings {
+  jvm_arguments: string;
+  max_memory: number;
+}