diff --git a/src/lib/db.ts b/src/lib/db.ts
index 9e917f7..0540606 100644
--- a/src/lib/db.ts
+++ b/src/lib/db.ts
@@ -58,12 +58,12 @@ function initDb() {
   const insertUser = db.prepare('INSERT INTO users (id, name, email, role, avatarUrl, bio) VALUES (@id, @name, @email, @role, @avatarUrl, @bio)');
   const insertToy = db.prepare('INSERT INTO toys (id, name, description, category, images, unavailableRanges, ownerId, pricePerDay, location) VALUES (@id, @name, @description, @category, @images, @unavailableRanges, @ownerId, @pricePerDay, @location)');
 
-  const insertManyUsers = db.transaction((users) => {
+  const insertManyUsers = db.transaction((users: User[]) => {
     for (const user of users) {
         insertUser.run({
             id: user.id,
             name: user.name,
-            email: `${user.id}@example.com`, // Generate mock email
+            email: user.email,
             role: user.role,
             avatarUrl: user.avatarUrl ?? null,
             bio: user.bio ?? null
diff --git a/src/lib/mockData.ts b/src/lib/mockData.ts
index e617635..942cf2f 100644
--- a/src/lib/mockData.ts
+++ b/src/lib/mockData.ts
@@ -4,14 +4,14 @@ import { addDays, formatISO, subDays } from 'date-fns';
 
 const today = new Date();
 
-export const rawUsers: Omit<User, 'email'>[] = [
-  { id: 'user1', name: 'Alice Wonderland', role: 'Admin', avatarUrl: 'https://placehold.co/100x100.png?text=AW', bio: "Lover of imaginative play and sharing joy. I have a collection of classic storybooks and dress-up costumes that my kids have outgrown but still have lots of life left in them!" },
-  { id: 'user2', name: 'Bob The Builder', role: 'User', avatarUrl: 'https://placehold.co/100x100.png?text=BT', bio: "Can we fix it? Yes, we can! Sharing my collection of construction toys, tools, and playsets. Always happy to help another budding builder." },
-  { id: 'user3', name: 'Carol Danvers', role: 'User', avatarUrl: 'https://placehold.co/100x100.png?text=CD', bio: "Higher, further, faster. Sharing toys that inspire adventure, courage, and exploration. My collection includes superhero action figures and space-themed playsets." },
-  { id: 'user4', name: 'Charlie Brown', role: 'User' },
-  { id: 'user5', name: 'Diana Prince', role: 'User' },
-  { id: 'user6', name: 'Edward Nigma', role: 'User' },
-  { id: 'admin-main', name: 'Main Admin', role: 'Admin' },
+export const rawUsers: User[] = [
+  { id: 'user1', name: 'Alice Wonderland', email: 'user@example.com', role: 'Admin', avatarUrl: 'https://placehold.co/100x100.png?text=AW', bio: "Lover of imaginative play and sharing joy. I have a collection of classic storybooks and dress-up costumes that my kids have outgrown but still have lots of life left in them!" },
+  { id: 'user2', name: 'Bob The Builder', email: 'user2@example.com', role: 'User', avatarUrl: 'https://placehold.co/100x100.png?text=BT', bio: "Can we fix it? Yes, we can! Sharing my collection of construction toys, tools, and playsets. Always happy to help another budding builder." },
+  { id: 'user3', name: 'Carol Danvers', email: 'user3@example.com', role: 'User', avatarUrl: 'https://placehold.co/100x100.png?text=CD', bio: "Higher, further, faster. Sharing toys that inspire adventure, courage, and exploration. My collection includes superhero action figures and space-themed playsets." },
+  { id: 'user4', name: 'Charlie Brown', email: 'user4@example.com', role: 'User' },
+  { id: 'user5', name: 'Diana Prince', email: 'user5@example.com', role: 'User' },
+  { id: 'user6', name: 'Edward Nigma', email: 'user6@example.com', role: 'User' },
+  { id: 'admin-main', name: 'Main Admin', email: 'admin@example.com', role: 'Admin' },
 ];
 
 export const rawToys: Omit<Toy, 'ownerName' | 'dataAiHint'>[] = [