diff --git a/app/HomeScreen.tsx b/app/HomeScreen.tsx
index b81cd9e..6c47309 100644
--- a/app/HomeScreen.tsx
+++ b/app/HomeScreen.tsx
@@ -2,6 +2,7 @@ import AsyncStorage from "@react-native-async-storage/async-storage";
 import * as Notifications from "expo-notifications";
 import React, { useEffect, useState } from "react";
 import { Linking, SafeAreaView, ScrollView, Text, TouchableOpacity, View } from "react-native";
+import { Category, categories, categoryKeys, categoryTitles } from "types/Category";
 import { Item } from "types/Item";
 import { usePushNotifications } from "../hooks/usePushNotifications";
 import { styles } from "./HomeScreen.styles";
@@ -9,8 +10,6 @@ import { styles } from "./HomeScreen.styles";
 const API_URL = "https://notifier.gansejunge.com";
 const STORAGE_KEY = "notifications";
 
-type Category = "home" | "royal-road" | "podcasts" | "mixtapes";
-
 export default function HomeScreen() {
 	const [data, setData] = useState<Item[]>([]);
 	const [selected, setSelected] = useState<Category>("home");
@@ -42,9 +41,8 @@ export default function HomeScreen() {
 	// Listen for incoming notifications
 	useEffect(() => {
 		const subscription = Notifications.addNotificationReceivedListener(notification => {
-			// Try to extract category from push payload
 			const rawCategory = notification.request.content.data?.category as Category | undefined;
-			const category: Category = rawCategory && ["royal-road", "podcasts", "mixtapes"].includes(rawCategory)
+			const category: Category = rawCategory && categoryKeys.includes(rawCategory)
 				? rawCategory
 				: "home";
 
@@ -58,7 +56,7 @@ export default function HomeScreen() {
 
 			setData(prev => {
 				const updated = [...prev, item].sort((a, b) => b.timestamp - a.timestamp);
-				AsyncStorage.setItem(STORAGE_KEY, JSON.stringify(updated)); // persist
+				AsyncStorage.setItem(STORAGE_KEY, JSON.stringify(updated));
 				return updated;
 			});
 		});
@@ -69,12 +67,7 @@ export default function HomeScreen() {
 	// Filtered view: home shows everything
 	const filteredData = selected === "home" ? data : data.filter(item => item.category === selected);
 
-	const menuItems: { label: string; key: Category }[] = [
-		{ label: "Home", key: "home" },
-		{ label: "Royal Road", key: "royal-road" },
-		{ label: "Podcasts", key: "podcasts" },
-		{ label: "Mixtapes", key: "mixtapes" },
-	];
+	const menuItems = categories;
 
 	return (
 		<SafeAreaView style={styles.container}>
@@ -100,12 +93,7 @@ export default function HomeScreen() {
 					<Text style={styles.menuButtonText}>☰</Text>
 				</TouchableOpacity>
 
-				<Text style={styles.title}>
-					{selected === "home" && "Welcome to Home!"}
-					{selected === "royal-road" && "Royal Road Updates"}
-					{selected === "podcasts" && "Latest Podcasts"}
-					{selected === "mixtapes" && "New Mixtapes"}
-				</Text>
+				<Text style={styles.title}>{categoryTitles[selected]}</Text>
 
 				<ScrollView style={styles.dataContainer}>
 					{filteredData.length === 0 ? (
diff --git a/app/MainContent.tsx b/app/MainContent.tsx
index 6b86202..eb17d92 100644
--- a/app/MainContent.tsx
+++ b/app/MainContent.tsx
@@ -1,34 +1,26 @@
 import React from 'react';
 import { Linking, ScrollView, StyleSheet, Text, TouchableOpacity, View } from 'react-native';
+import { Category, categoryTitles } from 'types/Category';
 import { Item } from 'types/Item';
 
 type MainContentProps = {
-	selected: string;
+	selected: Category;
 	onToggleMenu: () => void;
 	data: Item[];
 };
 
 export default function MainContent({ selected, onToggleMenu, data }: MainContentProps) {
-	const getTitle = () => {
-		switch (selected) {
-			case 'home': return 'Welcome to Home!';
-			case 'royal-road': return 'Royal Road Updates';
-			case 'podcasts': return 'Latest Podcasts';
-			case 'mixtapes': return 'Mixtapes';
-			default: return '';
-		}
-	};
-
 	return (
 		<View style={styles.mainContent}>
 			<TouchableOpacity style={styles.menuButton} onPress={onToggleMenu}>
 				<Text style={styles.menuButtonText}>☰</Text>
 			</TouchableOpacity>
-			<Text style={styles.title}>{getTitle()}</Text>
+
+			<Text style={styles.title}>{categoryTitles[selected]}</Text>
 
 			<ScrollView style={styles.dataContainer}>
 				{data.map(item => (
-					<TouchableOpacity key={item.timestamp} onPress={() => Linking.openURL(item.link)}>
+					<TouchableOpacity key={`${item.timestamp}-${item.title}`} onPress={() => Linking.openURL(item.link)}>
 						<View style={styles.dataItem}>
 							<Text style={styles.dataTitle}>{item.title}</Text>
 							<Text style={styles.dataDescription}>{item.info}</Text>
diff --git a/hooks/useNotificationListener.ts b/hooks/useNotificationListener.ts
index a8f4be7..eb6723c 100644
--- a/hooks/useNotificationListener.ts
+++ b/hooks/useNotificationListener.ts
@@ -1,6 +1,7 @@
 import AsyncStorage from "@react-native-async-storage/async-storage";
 import * as Notifications from "expo-notifications";
 import { useEffect } from "react";
+import { Category, categoryKeys } from "types/Category";
 import { Item } from "types/Item";
 
 const STORAGE_KEY = "notifications-data";
@@ -50,10 +51,12 @@ export function useNotificationListener(onItems: (items: Item[]) => void) {
 function mapNotificationToItem(notification: Notifications.Notification): Item | null {
 	try {
 		const content = notification.request.content;
+		const rawCategory = content.data?.category as Category | undefined;
+		const category: Category = rawCategory && categoryKeys.includes(rawCategory) ? rawCategory : "home";
 
 		return {
 			timestamp: Date.now(), // could use backend timestamp if provided
-			category: (content.data?.category as Item["category"]) ?? "home",
+			category,
 			title: content.title ?? "No title",
 			info: content.body ?? "No details",
 			link: (content.data?.link as string) ?? "",
@@ -64,6 +67,8 @@ function mapNotificationToItem(notification: Notifications.Notification): Item |
 	}
 }
 
+export { mapNotificationToItem };
+
 // Save a new item into storage and update state
 async function addItem(item: Item, onItems: (items: Item[]) => void) {
 	try {
diff --git a/package-lock.json b/package-lock.json
index 724e94d..5ee0dc7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,6 +9,7 @@
       "version": "1.0.0",
       "dependencies": {
         "@expo/metro-runtime": "~6.1.2",
+        "@radix-ui/react-dialog": "^1.1.15",
         "@react-native-async-storage/async-storage": "2.2.0",
         "expo": "~54.0.11",
         "expo-constants": "~18.0.9",
@@ -18,7 +19,8 @@
         "expo-router": "~6.0.9",
         "expo-splash-screen": "~31.0.10",
         "expo-system-ui": "~6.0.7",
-        "react": "19.1.0",
+        "react": "^19.2.0",
+        "react-dom": "^19.2.0",
         "react-native": "0.81.4",
         "react-native-safe-area-context": "~5.6.0",
         "react-native-screens": "~4.16.0"
@@ -2638,6 +2640,183 @@
         }
       }
     },
+    "node_modules/@radix-ui/react-dialog": {
+      "version": "1.1.15",
+      "resolved": "https://registry.npmjs.org/@radix-ui/react-dialog/-/react-dialog-1.1.15.tgz",
+      "integrity": "sha512-TCglVRtzlffRNxRMEyR36DGBLJpeusFcgMVD9PZEzAKnUs1lKCgX5u9BmC2Yg+LL9MgZDugFFs1Vl+Jp4t/PGw==",
+      "license": "MIT",
+      "dependencies": {
+        "@radix-ui/primitive": "1.1.3",
+        "@radix-ui/react-compose-refs": "1.1.2",
+        "@radix-ui/react-context": "1.1.2",
+        "@radix-ui/react-dismissable-layer": "1.1.11",
+        "@radix-ui/react-focus-guards": "1.1.3",
+        "@radix-ui/react-focus-scope": "1.1.7",
+        "@radix-ui/react-id": "1.1.1",
+        "@radix-ui/react-portal": "1.1.9",
+        "@radix-ui/react-presence": "1.1.5",
+        "@radix-ui/react-primitive": "2.1.3",
+        "@radix-ui/react-slot": "1.2.3",
+        "@radix-ui/react-use-controllable-state": "1.2.2",
+        "aria-hidden": "^1.2.4",
+        "react-remove-scroll": "^2.6.3"
+      },
+      "peerDependencies": {
+        "@types/react": "*",
+        "@types/react-dom": "*",
+        "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc",
+        "react-dom": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc"
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+      "resolved": "https://registry.npmjs.org/@radix-ui/react-dismissable-layer/-/react-dismissable-layer-1.1.11.tgz",
+      "integrity": "sha512-Nqcp+t5cTB8BinFkZgXiMJniQH0PsUt2k51FUhbdfeKvc4ACcG2uQniY/8+h1Yv6Kza4Q7lD7PQV0z0oicE0Mg==",
+      "license": "MIT",
+      "dependencies": {
+        "@radix-ui/primitive": "1.1.3",
+        "@radix-ui/react-compose-refs": "1.1.2",
+        "@radix-ui/react-primitive": "2.1.3",
+        "@radix-ui/react-use-callback-ref": "1.1.1",
+        "@radix-ui/react-use-escape-keydown": "1.1.1"
+      },
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+        "@types/react-dom": "*",
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+      "resolved": "https://registry.npmjs.org/@radix-ui/react-focus-scope/-/react-focus-scope-1.1.7.tgz",
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+      "license": "MIT",
+      "dependencies": {
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+        "@radix-ui/react-primitive": "2.1.3",
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+    "node_modules/@radix-ui/react-dialog/node_modules/@radix-ui/react-portal": {
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+      "license": "MIT",
+      "dependencies": {
+        "@radix-ui/react-primitive": "2.1.3",
+        "@radix-ui/react-use-layout-effect": "1.1.1"
+      },
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+        "@types/react-dom": "*",
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+        "@types/react-dom": "*",
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+    "node_modules/@radix-ui/react-dialog/node_modules/@radix-ui/react-slot": {
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+      "resolved": "https://registry.npmjs.org/@radix-ui/react-slot/-/react-slot-1.2.3.tgz",
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+      "dependencies": {
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-      "cpu": [
-        "x64"
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-      "license": "MPL-2.0",
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     "node_modules/lines-and-columns": {
       "version": "1.2.4",
       "resolved": "https://registry.npmjs.org/lines-and-columns/-/lines-and-columns-1.2.4.tgz",
@@ -10268,9 +10267,9 @@
       }
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     "node_modules/react": {
-      "version": "19.1.0",
-      "resolved": "https://registry.npmjs.org/react/-/react-19.1.0.tgz",
-      "integrity": "sha512-FS+XFBNvn3GTAWq26joslQgWNoFu08F4kl0J4CgdNKADkdSGXQyTCnKteIAJy96Br6YbpEU1LSzV5dYtjMkMDg==",
+      "version": "19.2.0",
+      "resolved": "https://registry.npmjs.org/react/-/react-19.2.0.tgz",
+      "integrity": "sha512-tmbWg6W31tQLeB5cdIBOicJDJRR2KzXsV7uSK9iNfLWQ5bIZfxuPEHp7M8wiHyHnn0DD1i7w3Zmin0FtkrwoCQ==",
       "license": "MIT",
       "engines": {
         "node": ">=0.10.0"
@@ -10287,18 +10286,23 @@
       }
     },
     "node_modules/react-dom": {
-      "version": "19.1.0",
-      "resolved": "https://registry.npmjs.org/react-dom/-/react-dom-19.1.0.tgz",
-      "integrity": "sha512-Xs1hdnE+DyKgeHJeJznQmYMIBG3TKIHJJT95Q58nHLSrElKlGQqDTR2HQ9fx5CN/Gk6Vh/kupBTDLU11/nDk/g==",
+      "version": "19.2.0",
+      "resolved": "https://registry.npmjs.org/react-dom/-/react-dom-19.2.0.tgz",
+      "integrity": "sha512-UlbRu4cAiGaIewkPyiRGJk0imDN2T3JjieT6spoL2UeSf5od4n5LB/mQ4ejmxhCFT1tYe8IvaFulzynWovsEFQ==",
       "license": "MIT",
-      "peer": true,
       "dependencies": {
-        "scheduler": "^0.26.0"
+        "scheduler": "^0.27.0"
       },
       "peerDependencies": {
-        "react": "^19.1.0"
+        "react": "^19.2.0"
       }
     },
+    "node_modules/react-dom/node_modules/scheduler": {
+      "version": "0.27.0",
+      "resolved": "https://registry.npmjs.org/scheduler/-/scheduler-0.27.0.tgz",
+      "integrity": "sha512-eNv+WrVbKu1f3vbYJT/xtiF5syA5HPIMtf9IgY/nKg0sWqzAUEvqY/xm7OcZc/qafLx/iO9FgOmeSAp4v5ti/Q==",
+      "license": "MIT"
+    },
     "node_modules/react-fast-compare": {
       "version": "3.2.2",
       "resolved": "https://registry.npmjs.org/react-fast-compare/-/react-fast-compare-3.2.2.tgz",
@@ -12470,183 +12474,6 @@
         "react-dom": "^16.8 || ^17.0 || ^18.0 || ^19.0.0 || ^19.0.0-rc"
       }
     },
-    "node_modules/vaul/node_modules/@radix-ui/react-dialog": {
-      "version": "1.1.15",
-      "resolved": "https://registry.npmjs.org/@radix-ui/react-dialog/-/react-dialog-1.1.15.tgz",
-      "integrity": "sha512-TCglVRtzlffRNxRMEyR36DGBLJpeusFcgMVD9PZEzAKnUs1lKCgX5u9BmC2Yg+LL9MgZDugFFs1Vl+Jp4t/PGw==",
-      "license": "MIT",
-      "dependencies": {
-        "@radix-ui/primitive": "1.1.3",
-        "@radix-ui/react-compose-refs": "1.1.2",
-        "@radix-ui/react-context": "1.1.2",
-        "@radix-ui/react-dismissable-layer": "1.1.11",
-        "@radix-ui/react-focus-guards": "1.1.3",
-        "@radix-ui/react-focus-scope": "1.1.7",
-        "@radix-ui/react-id": "1.1.1",
-        "@radix-ui/react-portal": "1.1.9",
-        "@radix-ui/react-presence": "1.1.5",
-        "@radix-ui/react-primitive": "2.1.3",
-        "@radix-ui/react-slot": "1.2.3",
-        "@radix-ui/react-use-controllable-state": "1.2.2",
-        "aria-hidden": "^1.2.4",
-        "react-remove-scroll": "^2.6.3"
-      },
-      "peerDependencies": {
-        "@types/react": "*",
-        "@types/react-dom": "*",
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-        "@types/react-dom": {
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-        }
-      }
-    },
-    "node_modules/vaul/node_modules/@radix-ui/react-dismissable-layer": {
-      "version": "1.1.11",
-      "resolved": "https://registry.npmjs.org/@radix-ui/react-dismissable-layer/-/react-dismissable-layer-1.1.11.tgz",
-      "integrity": "sha512-Nqcp+t5cTB8BinFkZgXiMJniQH0PsUt2k51FUhbdfeKvc4ACcG2uQniY/8+h1Yv6Kza4Q7lD7PQV0z0oicE0Mg==",
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-      },
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-        "@types/react": "*",
-        "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc"
-      },
-      "peerDependenciesMeta": {
-        "@types/react": {
-          "optional": true
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     "node_modules/vlq": {
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diff --git a/package.json b/package.json
index c29fe5e..50e02a6 100644
--- a/package.json
+++ b/package.json
@@ -12,6 +12,7 @@
   },
   "dependencies": {
     "@expo/metro-runtime": "~6.1.2",
+    "@radix-ui/react-dialog": "^1.1.15",
     "@react-native-async-storage/async-storage": "2.2.0",
     "expo": "~54.0.11",
     "expo-constants": "~18.0.9",
@@ -21,7 +22,8 @@
     "expo-router": "~6.0.9",
     "expo-splash-screen": "~31.0.10",
     "expo-system-ui": "~6.0.7",
-    "react": "19.1.0",
+    "react": "^19.2.0",
+    "react-dom": "^19.2.0",
     "react-native": "0.81.4",
     "react-native-safe-area-context": "~5.6.0",
     "react-native-screens": "~4.16.0"
diff --git a/types/Category.ts b/types/Category.ts
new file mode 100644
index 0000000..cf998ce
--- /dev/null
+++ b/types/Category.ts
@@ -0,0 +1,15 @@
+export type Category = "home" | "royal-road" | "podcasts" | "mixtapes" | "utility";
+
+
+const baseCategories = [
+	{ key: "home", label: "Home", title: "Welcome to Home!" },
+	{ key: "royal-road", label: "Royal Road", title: "Royal Road Chapters" },
+	{ key: "podcasts", label: "Podcasts", title: "Latest Podcasts" },
+	{ key: "mixtapes", label: "Mixtapes", title: "New Mixtapes" },
+	{ key: "utility", label: "Utility", title: "Utility" },
+] as const;
+
+
+export const categoryKeys: Category[] = baseCategories.map(c => c.key);
+export const categories: { label: string; key: Category }[] = baseCategories.map(c => ({ label: c.label, key: c.key }));
+export const categoryTitles: Record<Category, string> = Object.fromEntries(baseCategories.map(c => [c.key, c.title])) as Record<Category, string>;
diff --git a/types/Item.ts b/types/Item.ts
index 84877dd..0c5b327 100644
--- a/types/Item.ts
+++ b/types/Item.ts
@@ -1,6 +1,8 @@
+import { Category } from "./Category";
+
 export type Item = {
 	timestamp: number;
-	category: 'home' | 'royal-road' | 'podcasts' | 'mixtapes';
+	category: Category;
 	title: string;
 	info: string;
 	link: string;