feat: Add initial identifier field to user management and update related functions

src/app/admin/users/[id]/edit/page.js

@@ -18,6 +18,7 @@ export default function EditUserPage() {
 		username: "",
 		role: "user",
 		is_active: true,
+		initial: "",
 		password: ""
 	});
 	const [loading, setLoading] = useState(true);
@@ -65,6 +66,7 @@ export default function EditUserPage() {
 				username: userData.username,
 				role: userData.role,
 				is_active: userData.is_active,
+				initial: userData.initial || "",
 				password: "" // Never populate password field
 			});
 		} catch (err) {
@@ -86,7 +88,8 @@ export default function EditUserPage() {
 				name: formData.name,
 				username: formData.username,
 				role: formData.role,
-				is_active: formData.is_active
+				is_active: formData.is_active,
+				initial: formData.initial.trim() || null
 			};
 
 			// Only include password if it's provided
@@ -253,6 +256,23 @@ export default function EditUserPage() {
 							</div>
 						</div>
 
+						<div>
+							<label className="block text-sm font-medium text-gray-700 mb-2">
+								Initial
+							</label>
+							<Input
+								type="text"
+								value={formData.initial}
+								onChange={(e) => setFormData({ ...formData, initial: e.target.value })}
+								placeholder="1-2 letter identifier"
+								maxLength={2}
+								className="w-full md:w-1/2"
+							/>
+							<p className="text-xs text-gray-500 mt-1">
+								Optional 1-2 letter identifier for the user
+							</p>
+						</div>
+
 						<div className="flex items-center">
 							<input
 								type="checkbox"

src/app/admin/users/page.js

@@ -195,6 +195,9 @@ export default function UserManagementPage() {
 												<div>
 													<h3 className="text-lg font-semibold text-gray-900">{user.name}</h3>
 													<p className="text-sm text-gray-500">{user.username}</p>
+													{user.initial && (
+														<p className="text-xs text-blue-600 font-medium mt-1">Initial: {user.initial}</p>
+													)}
 												</div>
 											</div>
 											<div className="flex items-center space-x-2">

src/lib/userManagement.js

@@ -19,7 +19,7 @@ export async function createUser({ name, username, password, role = 'user', is_a
 
   return db.prepare(`
     SELECT id, name, username, role, created_at, updated_at, last_login, 
-           is_active, failed_login_attempts, locked_until
+           is_active, failed_login_attempts, locked_until, initial
     FROM users WHERE id = ?
   `).get(userId)
 }
@@ -28,7 +28,7 @@ export async function createUser({ name, username, password, role = 'user', is_a
 export function getUserById(id) {
   return db.prepare(`
     SELECT id, name, username, password_hash, role, created_at, updated_at, last_login, 
-           is_active, failed_login_attempts, locked_until
+           is_active, failed_login_attempts, locked_until, initial
     FROM users WHERE id = ?
   `).get(id)
 }
@@ -36,7 +36,7 @@ export function getUserById(id) {
 // Get user by username
 export function getUserByUsername(username) {
   return db.prepare(`
-    SELECT id, name, username, role, created_at, last_login, is_active
+    SELECT id, name, username, role, created_at, last_login, is_active, initial
     FROM users WHERE username = ?
   `).get(username)
 }
@@ -45,7 +45,7 @@ export function getUserByUsername(username) {
 export function getAllUsers() {
   return db.prepare(`
     SELECT id, name, username, password_hash, role, created_at, updated_at, last_login, is_active,
-           failed_login_attempts, locked_until
+           failed_login_attempts, locked_until, initial
     FROM users 
     ORDER BY created_at DESC
   `).all()
@@ -172,6 +172,11 @@ export async function updateUser(userId, updates) {
     updateValues.push(updates.is_active ? 1 : 0);
   }
 
+  if (updates.initial !== undefined) {
+    updateFields.push("initial = ?");
+    updateValues.push(updates.initial);
+  }
+
   if (updates.password !== undefined) {
     const passwordHash = await bcrypt.hash(updates.password, 12);
     updateFields.push("password_hash = ?");
@@ -199,7 +204,7 @@ export async function updateUser(userId, updates) {
   if (result.changes > 0) {
     return db.prepare(`
       SELECT id, name, username, role, created_at, updated_at, last_login, 
-             is_active, failed_login_attempts, locked_until
+             is_active, failed_login_attempts, locked_until, initial
       FROM users WHERE id = ?
     `).get(userId);
   }