packages/admin/src/components/ui/alert.tsx

@@ -0,0 +1,66 @@
+import * as React from "react"
+import { cva, type VariantProps } from "class-variance-authority"
+
+import { cn } from "@/lib/utils"
+
+const alertVariants = cva(
+  "relative grid w-full grid-cols-[0_1fr] items-start gap-y-0.5 rounded-lg border px-4 py-3 text-sm has-[>svg]:grid-cols-[calc(var(--spacing)*4)_1fr] has-[>svg]:gap-x-3 [&>svg]:size-4 [&>svg]:translate-y-0.5 [&>svg]:text-current",
+  {
+    variants: {
+      variant: {
+        default: "bg-card text-card-foreground",
+        destructive:
+          "bg-card text-destructive *:data-[slot=alert-description]:text-destructive/90 [&>svg]:text-current",
+      },
+    },
+    defaultVariants: {
+      variant: "default",
+    },
+  }
+)
+
+function Alert({
+  className,
+  variant,
+  ...props
+}: React.ComponentProps<"div"> & VariantProps<typeof alertVariants>) {
+  return (
+    <div
+      data-slot="alert"
+      role="alert"
+      className={cn(alertVariants({ variant }), className)}
+      {...props}
+    />
+  )
+}
+
+function AlertTitle({ className, ...props }: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="alert-title"
+      className={cn(
+        "col-start-2 line-clamp-1 min-h-4 font-medium tracking-tight",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+function AlertDescription({
+  className,
+  ...props
+}: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="alert-description"
+      className={cn(
+        "col-start-2 grid justify-items-start gap-1 text-sm text-muted-foreground [&_p]:leading-relaxed",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+export { Alert, AlertTitle, AlertDescription }

packages/admin/src/routes/_authenticated/profile.tsx

@@ -1,4 +1,4 @@
-import { createFileRoute } from '@tanstack/react-router'
+import { createFileRoute, Link } from '@tanstack/react-router'
 import { useState } from 'react'
 import { useQuery, useMutation, useQueryClient } from '@tanstack/react-query'
 import { queryOptions } from '@tanstack/react-query'
@@ -11,10 +11,23 @@ import { Input } from '@/components/ui/input'
 import { Label } from '@/components/ui/label'
 import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card'
 import { Separator } from '@/components/ui/separator'
-import { Sun, Moon, Monitor } from 'lucide-react'
+import { Tabs, TabsList, TabsTrigger, TabsContent } from '@/components/ui/tabs'
+import { Alert, AlertTitle, AlertDescription } from '@/components/ui/alert'
+import { Sun, Moon, Monitor, AlertTriangle } from 'lucide-react'
 import { toast } from 'sonner'
 import { AvatarUpload } from '@/components/shared/avatar-upload'
 
+interface Profile {
+  id: string
+  email: string
+  firstName: string
+  lastName: string
+  role: string
+  employeeNumber: string | null
+  hasPin: boolean
+  createdAt: string
+}
+
 export const Route = createFileRoute('/_authenticated/profile')({
   component: ProfilePage,
 })
@@ -22,21 +35,73 @@ export const Route = createFileRoute('/_authenticated/profile')({
 function profileOptions() {
   return queryOptions({
     queryKey: ['auth', 'me'],
-    queryFn: () => api.get<{ id: string; email: string; firstName: string; lastName: string }>('/v1/auth/me'),
+    queryFn: () => api.get<Profile>('/v1/auth/me'),
   })
 }
 
 function ProfilePage() {
+  const { tab } = Route.useSearch() as { tab?: string }
+
   const queryClient = useQueryClient()
   const setAuth = useAuthStore((s) => s.setAuth)
   const storeUser = useAuthStore((s) => s.user)
   const storeToken = useAuthStore((s) => s.token)
-  const { mode, colorTheme, setMode, setColorTheme } = useThemeStore()
 
   const { data: profile } = useQuery(profileOptions())
 
-  const [firstName, setFirstName] = useState('')
+  return (
-  const [lastName, setLastName] = useState('')
+    <div className="space-y-6 max-w-2xl">
+      <h1 className="text-2xl font-bold">Profile</h1>
+
+      {profile && !profile.hasPin && (
+        <Alert>
+          <AlertTriangle className="h-4 w-4" />
+          <AlertTitle>POS PIN not set</AlertTitle>
+          <AlertDescription>
+            You need a PIN to use the Point of Sale.{' '}
+            <Link
+              to="/profile"
+              search={{ tab: 'security' }}
+              className="underline font-medium text-foreground"
+            >
+              Set your PIN
+            </Link>
+          </AlertDescription>
+        </Alert>
+      )}
+
+      <Tabs defaultValue={tab === 'security' || tab === 'appearance' ? tab : 'account'}>
+        <TabsList>
+          <TabsTrigger value="account">Account</TabsTrigger>
+          <TabsTrigger value="security">Security</TabsTrigger>
+          <TabsTrigger value="appearance">Appearance</TabsTrigger>
+        </TabsList>
+
+        <TabsContent value="account">
+          <AccountTab profile={profile} queryClient={queryClient} setAuth={setAuth} storeUser={storeUser} storeToken={storeToken} />
+        </TabsContent>
+
+        <TabsContent value="security">
+          <SecurityTab profile={profile} queryClient={queryClient} />
+        </TabsContent>
+
+        <TabsContent value="appearance">
+          <AppearanceTab />
+        </TabsContent>
+      </Tabs>
+    </div>
+  )
+}
+
+function AccountTab({ profile, queryClient, setAuth, storeUser, storeToken }: {
+  profile: Profile | undefined
+  queryClient: ReturnType<typeof useQueryClient>
+  setAuth: (token: string, user: any) => void
+  storeUser: any
+  storeToken: string | null
+}) {
+  const [firstName, setFirstName] = useState(profile?.firstName ?? '')
+  const [lastName, setLastName] = useState(profile?.lastName ?? '')
   const [nameLoaded, setNameLoaded] = useState(false)
 
   if (profile && !nameLoaded) {
@@ -45,12 +110,8 @@ function ProfilePage() {
     setNameLoaded(true)
   }
 
-  const [currentPassword, setCurrentPassword] = useState('')
-  const [newPassword, setNewPassword] = useState('')
-  const [confirmPassword, setConfirmPassword] = useState('')
-
   const updateProfileMutation = useMutation({
-    mutationFn: (data: Record<string, unknown>) => api.patch<{ id: string; email: string; firstName: string; lastName: string }>('/v1/auth/me', data),
+    mutationFn: (data: Record<string, unknown>) => api.patch<Profile>('/v1/auth/me', data),
     onSuccess: (updated) => {
       queryClient.invalidateQueries({ queryKey: ['auth', 'me'] })
       if (storeToken && storeUser) {
@@ -61,33 +122,7 @@ function ProfilePage() {
     onError: (err) => toast.error(err.message),
   })
 
-  const changePasswordMutation = useMutation({
-    mutationFn: () => api.post('/v1/auth/change-password', { currentPassword, newPassword }),
-    onSuccess: () => {
-      setCurrentPassword('')
-      setNewPassword('')
-      setConfirmPassword('')
-      toast.success('Password changed')
-    },
-    onError: (err) => toast.error(err.message),
-  })
-
-  function handlePasswordChange() {
-    if (newPassword.length < 12) {
-      toast.error('Password must be at least 12 characters')
-      return
-    }
-    if (newPassword !== confirmPassword) {
-      toast.error('Passwords do not match')
-      return
-    }
-    changePasswordMutation.mutate()
-  }
-
   return (
-    <div className="space-y-6 max-w-2xl">
-      <h1 className="text-2xl font-bold">Profile</h1>
-
     <Card>
       <CardHeader>
         <CardTitle className="text-lg">Account</CardTitle>
@@ -99,6 +134,9 @@ function ProfilePage() {
             <div>
               <p className="font-medium">{profile.firstName} {profile.lastName}</p>
               <p className="text-sm text-muted-foreground">{profile.email}</p>
+              {profile.employeeNumber && (
+                <p className="text-xs text-muted-foreground">Employee #{profile.employeeNumber}</p>
+              )}
             </div>
           </div>
         )}
@@ -124,7 +162,80 @@ function ProfilePage() {
         </Button>
       </CardContent>
     </Card>
+  )
+}
 
+function SecurityTab({ profile, queryClient }: {
+  profile: Profile | undefined
+  queryClient: ReturnType<typeof useQueryClient>
+}) {
+  const [currentPassword, setCurrentPassword] = useState('')
+  const [newPassword, setNewPassword] = useState('')
+  const [confirmPassword, setConfirmPassword] = useState('')
+  const [pin, setPin] = useState('')
+  const [confirmPin, setConfirmPin] = useState('')
+
+  const changePasswordMutation = useMutation({
+    mutationFn: () => api.post('/v1/auth/change-password', { currentPassword, newPassword }),
+    onSuccess: () => {
+      setCurrentPassword('')
+      setNewPassword('')
+      setConfirmPassword('')
+      toast.success('Password changed')
+    },
+    onError: (err) => toast.error(err.message),
+  })
+
+  const setPinMutation = useMutation({
+    mutationFn: () => api.post('/v1/auth/set-pin', { pin }),
+    onSuccess: () => {
+      setPin('')
+      setConfirmPin('')
+      queryClient.invalidateQueries({ queryKey: ['auth', 'me'] })
+      toast.success('PIN set')
+    },
+    onError: (err) => toast.error(err.message),
+  })
+
+  const removePinMutation = useMutation({
+    mutationFn: () => api.del('/v1/auth/pin'),
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: ['auth', 'me'] })
+      toast.success('PIN removed')
+    },
+    onError: (err) => toast.error(err.message),
+  })
+
+  function handlePasswordChange() {
+    if (newPassword.length < 12) {
+      toast.error('Password must be at least 12 characters')
+      return
+    }
+    if (newPassword !== confirmPassword) {
+      toast.error('Passwords do not match')
+      return
+    }
+    changePasswordMutation.mutate()
+  }
+
+  function handleSetPin() {
+    if (pin.length < 4 || pin.length > 6) {
+      toast.error('PIN must be 4-6 digits')
+      return
+    }
+    if (!/^\d+$/.test(pin)) {
+      toast.error('PIN must be digits only')
+      return
+    }
+    if (pin !== confirmPin) {
+      toast.error('PINs do not match')
+      return
+    }
+    setPinMutation.mutate()
+  }
+
+  return (
+    <div className="space-y-6">
       <Card>
         <CardHeader>
           <CardTitle className="text-lg">Change Password</CardTitle>
@@ -148,6 +259,67 @@ function ProfilePage() {
         </CardContent>
       </Card>
 
+      <Card>
+        <CardHeader>
+          <CardTitle className="text-lg">POS PIN</CardTitle>
+        </CardHeader>
+        <CardContent className="space-y-4">
+          {profile?.employeeNumber && (
+            <p className="text-sm text-muted-foreground">
+              Your employee number is <span className="font-mono font-medium text-foreground">{profile.employeeNumber}</span>.
+              To unlock the POS, enter your employee number followed by your PIN.
+            </p>
+          )}
+          {profile?.hasPin ? (
+            <>
+              <p className="text-sm text-muted-foreground">You have a PIN set. You can change or remove it below.</p>
+              <div className="grid grid-cols-2 gap-4">
+                <div className="space-y-2">
+                  <Label>New PIN (4-6 digits)</Label>
+                  <Input type="password" inputMode="numeric" maxLength={6} value={pin} onChange={(e) => setPin(e.target.value)} placeholder="****" />
+                </div>
+                <div className="space-y-2">
+                  <Label>Confirm PIN</Label>
+                  <Input type="password" inputMode="numeric" maxLength={6} value={confirmPin} onChange={(e) => setConfirmPin(e.target.value)} placeholder="****" />
+                </div>
+              </div>
+              <div className="flex gap-2">
+                <Button onClick={handleSetPin} disabled={setPinMutation.isPending}>
+                  {setPinMutation.isPending ? 'Saving...' : 'Change PIN'}
+                </Button>
+                <Button variant="outline" onClick={() => removePinMutation.mutate()} disabled={removePinMutation.isPending}>
+                  {removePinMutation.isPending ? 'Removing...' : 'Remove PIN'}
+                </Button>
+              </div>
+            </>
+          ) : (
+            <>
+              <p className="text-sm text-muted-foreground">Set a PIN to unlock the Point of Sale terminal.</p>
+              <div className="grid grid-cols-2 gap-4">
+                <div className="space-y-2">
+                  <Label>PIN (4-6 digits)</Label>
+                  <Input type="password" inputMode="numeric" maxLength={6} value={pin} onChange={(e) => setPin(e.target.value)} placeholder="****" />
+                </div>
+                <div className="space-y-2">
+                  <Label>Confirm PIN</Label>
+                  <Input type="password" inputMode="numeric" maxLength={6} value={confirmPin} onChange={(e) => setConfirmPin(e.target.value)} placeholder="****" />
+                </div>
+              </div>
+              <Button onClick={handleSetPin} disabled={setPinMutation.isPending}>
+                {setPinMutation.isPending ? 'Saving...' : 'Set PIN'}
+              </Button>
+            </>
+          )}
+        </CardContent>
+      </Card>
+    </div>
+  )
+}
+
+function AppearanceTab() {
+  const { mode, colorTheme, setMode, setColorTheme } = useThemeStore()
+
+  return (
     <Card>
       <CardHeader>
         <CardTitle className="text-lg">Appearance</CardTitle>
@@ -197,6 +369,5 @@ function ProfilePage() {
         </div>
       </CardContent>
     </Card>
-    </div>
   )
 }

packages/backend/src/db/migrations/0046_auto-employee-number.sql

@@ -0,0 +1,31 @@
+-- Auto-assign employee_number on user insert if not provided
+CREATE OR REPLACE FUNCTION assign_employee_number()
+RETURNS TRIGGER AS $$
+DECLARE next_num INT;
+BEGIN
+  IF NEW.employee_number IS NULL OR NEW.employee_number = '' THEN
+    SELECT COALESCE(MAX(employee_number::int), 1000) + 1
+    INTO next_num
+    FROM "user"
+    WHERE employee_number ~ '^\d+$';
+    NEW.employee_number := next_num::text;
+  END IF;
+  RETURN NEW;
+END;
+$$ LANGUAGE plpgsql;
+
+DROP TRIGGER IF EXISTS trg_assign_employee_number ON "user";
+CREATE TRIGGER trg_assign_employee_number
+  BEFORE INSERT ON "user"
+  FOR EACH ROW
+  EXECUTE FUNCTION assign_employee_number();
+
+-- Backfill any users missing an employee number
+DO $$ DECLARE r RECORD; num INT;
+BEGIN
+  SELECT COALESCE(MAX(employee_number::int), 1000) INTO num FROM "user" WHERE employee_number ~ '^\d+$';
+  FOR r IN (SELECT id FROM "user" WHERE employee_number IS NULL OR employee_number = '' ORDER BY created_at) LOOP
+    num := num + 1;
+    UPDATE "user" SET employee_number = num::text WHERE id = r.id;
+  END LOOP;
+END $$;

packages/backend/src/db/migrations/meta/_journal.json

@@ -323,6 +323,13 @@
       "when": 1775770000000,
       "tag": "0045_registers-reports",
       "breakpoints": true
+    },
+    {
+      "idx": 46,
+      "version": "7",
+      "when": 1775860000000,
+      "tag": "0046_auto-employee-number",
+      "breakpoints": true
     }
   ]
 }

packages/backend/src/routes/v1/auth.ts

@@ -274,6 +274,8 @@ export const authRoutes: FastifyPluginAsync = async (app) => {
         firstName: users.firstName,
         lastName: users.lastName,
         role: users.role,
+        employeeNumber: users.employeeNumber,
+        pinHash: users.pinHash,
         createdAt: users.createdAt,
       })
       .from(users)
@@ -281,7 +283,16 @@ export const authRoutes: FastifyPluginAsync = async (app) => {
       .limit(1)
 
     if (!user) return reply.status(404).send({ error: { message: 'User not found', statusCode: 404 } })
-    return reply.send(user)
+    return reply.send({
+      id: user.id,
+      email: user.email,
+      firstName: user.firstName,
+      lastName: user.lastName,
+      role: user.role,
+      employeeNumber: user.employeeNumber,
+      hasPin: !!user.pinHash,
+      createdAt: user.createdAt,
+    })
   })
 
   // Update current user profile