Initial commit: HK Planner app

Housekeeping workload and hours planning app — port of the WP hotel
housekeeping hours calculator plugin. 7-day occupancy planner with
Newbook PMS integration, staff rota, time requirements, and pickup tracking.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

frontend/src/components/AuthGate.tsx

@@ -0,0 +1,99 @@
+import { useEffect, useState } from 'react'
+import type { User } from '../types'
+
+interface Props {
+  children: (user: User) => React.ReactNode
+}
+
+const inputStyle: React.CSSProperties = {
+  background: 'var(--navy-dark)', border: '1px solid var(--surface-2)',
+  borderRadius: '6px', color: 'var(--text)', padding: '0.625rem 0.75rem',
+  fontSize: '1rem', width: '100%', outline: 'none',
+}
+const btnStyle: React.CSSProperties = {
+  background: 'var(--hk-green)', color: '#fff', border: 'none',
+  borderRadius: '6px', padding: '0.625rem', fontSize: '1rem',
+  fontWeight: 600, marginTop: '0.25rem', width: '100%',
+}
+
+export function AuthGate({ children }: Props) {
+  const [state, setState] = useState<'checking' | 'authed' | 'login'>('checking')
+  const [user, setUser] = useState<User | null>(null)
+  const [email, setEmail] = useState('')
+  const [password, setPassword] = useState('')
+  const [error, setError] = useState('')
+  const [loading, setLoading] = useState(false)
+
+  useEffect(() => {
+    fetch('/api/auth/verify?app=hk-planner', { credentials: 'include' })
+      .then(async r => {
+        if (r.ok) { setUser(await r.json()); setState('authed') }
+        else setState('login')
+      })
+      .catch(() => setState('login'))
+  }, [])
+
+  async function login(e: React.FormEvent) {
+    e.preventDefault()
+    setLoading(true)
+    setError('')
+    try {
+      const res = await fetch('/api/auth/login', {
+        method: 'POST', credentials: 'include',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({ email, password }),
+      })
+      if (!res.ok) { setError('Invalid email or password'); return }
+      const verify = await fetch('/api/auth/verify?app=hk-planner', { credentials: 'include' })
+      if (verify.ok) { setUser(await verify.json()); setState('authed') }
+      else setError("You don't have access to this app.")
+    } catch {
+      setError('Connection error — please try again')
+    } finally {
+      setLoading(false)
+    }
+  }
+
+  if (state === 'checking') {
+    return (
+      <div style={{ display: 'flex', alignItems: 'center', justifyContent: 'center', height: '100dvh' }}>
+        <div style={{ color: 'var(--text-muted)' }}>Loading…</div>
+      </div>
+    )
+  }
+
+  if (state === 'login') {
+    return (
+      <div style={{
+        display: 'flex', flexDirection: 'column', alignItems: 'center',
+        justifyContent: 'center', height: '100dvh', padding: '1.5rem',
+        background: 'var(--navy-dark)',
+      }}>
+        <div style={{
+          background: 'var(--navy)', borderRadius: 'var(--radius)',
+          padding: '2rem', width: '100%', maxWidth: '360px',
+          border: '1px solid var(--surface-2)',
+        }}>
+          <h1 style={{ fontSize: '1.4rem', marginBottom: '0.25rem', color: '#74c69d' }}>
+            HK Planner
+          </h1>
+          <p style={{ color: 'var(--text-muted)', fontSize: '0.875rem', marginBottom: '1.5rem' }}>
+            {import.meta.env.VITE_HOTEL_NAME}
+          </p>
+          <form onSubmit={login} style={{ display: 'flex', flexDirection: 'column', gap: '0.75rem' }}>
+            <input type="email" value={email} onChange={e => setEmail(e.target.value)}
+              placeholder="Email" required autoComplete="email" style={inputStyle} />
+            <input type="password" value={password} onChange={e => setPassword(e.target.value)}
+              placeholder="Password" required autoComplete="current-password" style={inputStyle} />
+            {error && <p style={{ color: '#f87171', fontSize: '0.875rem' }}>{error}</p>}
+            <button type="submit" disabled={loading} style={btnStyle}>
+              {loading ? 'Signing in…' : 'Sign in'}
+            </button>
+          </form>
+        </div>
+      </div>
+    )
+  }
+
+  return <>{children(user!)}</>
+}

frontend/src/components/Layout.tsx

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+import { NavLink } from 'react-router-dom'
+import { CalendarClock, Settings, LogOut } from 'lucide-react'
+import type { User } from '../types'
+
+interface Props {
+  user: User
+  children: React.ReactNode
+}
+
+export function Layout({ user, children }: Props) {
+  async function logout() {
+    await fetch('/api/auth/logout', { method: 'POST', credentials: 'include' })
+    window.location.href = '/'
+  }
+
+  return (
+    <div style={{ display: 'flex', height: '100dvh', overflow: 'hidden' }}>
+      <nav style={{
+        width: '200px', flexShrink: 0, background: 'var(--navy)',
+        display: 'flex', flexDirection: 'column', padding: '1rem 0',
+        borderRight: '1px solid var(--surface-2)',
+      }}>
+        <div style={{ padding: '0 1rem 1rem', borderBottom: '1px solid var(--surface-2)' }}>
+          <div style={{ display: 'flex', alignItems: 'center', gap: '0.5rem' }}>
+            <CalendarClock size={20} strokeWidth={1.75} color="#74c69d" />
+            <span style={{ color: '#74c69d', fontWeight: 700, fontSize: '0.95rem' }}>HK Planner</span>
+          </div>
+          <p style={{ color: 'var(--text-muted)', fontSize: '0.72rem', marginTop: '0.2rem' }}>{user.name}</p>
+        </div>
+
+        <div style={{ flex: 1, padding: '0.5rem 0', overflowY: 'auto' }}>
+          <NavItem to="/planner" icon={CalendarClock} label="Planner" />
+          {user.is_admin && <NavItem to="/settings" icon={Settings} label="Category Settings" />}
+        </div>
+
+        <div style={{ padding: '0.75rem 1rem', borderTop: '1px solid var(--surface-2)' }}>
+          <button onClick={logout} style={{
+            display: 'flex', alignItems: 'center', gap: '0.5rem',
+            background: 'none', border: 'none', color: 'var(--text-muted)',
+            fontSize: '0.875rem', padding: '0.375rem 0', width: '100%', cursor: 'pointer',
+          }}>
+            <LogOut size={14} strokeWidth={1.75} />
+            Sign out
+          </button>
+        </div>
+      </nav>
+
+      <main style={{ flex: 1, overflow: 'auto', background: 'var(--body-bg)' }}>
+        {children}
+      </main>
+    </div>
+  )
+}
+
+function NavItem({ to, icon: Icon, label }: { to: string; icon: typeof CalendarClock; label: string }) {
+  return (
+    <NavLink to={to} style={({ isActive }) => ({
+      display: 'flex', alignItems: 'center', gap: '0.625rem',
+      padding: '0.625rem 1rem', textDecoration: 'none',
+      color: isActive ? '#74c69d' : 'var(--text)',
+      background: isActive ? 'var(--surface)' : 'transparent',
+      borderLeft: isActive ? '2px solid #74c69d' : '2px solid transparent',
+      fontSize: '0.875rem', transition: 'background 0.15s',
+    })}>
+      <Icon size={15} strokeWidth={1.75} />
+      {label}
+    </NavLink>
+  )
+}