feat: add user profile page with editable physical info and lifestyle settings

frontend/src/App.tsx

@@ -2,6 +2,7 @@ import { BrowserRouter, Routes, Route, Navigate } from 'react-router-dom'
 import { LoginPage } from './pages/Login'
 import { SignupPage } from './pages/Signup'
 import { Dashboard } from './pages/Dashboard'
+import { ProfilePage } from './pages/Profile'
 
 function App() {
   return (
@@ -9,6 +10,7 @@ function App() {
       <Routes>
         <Route path="/login" element={<LoginPage />} />
         <Route path="/signup" element={<SignupPage />} />
+        <Route path="/profile" element={<ProfilePage />} />
         <Route path="/" element={<Dashboard />} />
         <Route path="*" element={<Navigate to="/" replace />} />
       </Routes>

frontend/src/index.css

@@ -286,3 +286,40 @@ a:hover {
   opacity: 0.6;
   cursor: not-allowed;
 }
+
+/* Radio groups */
+.radio-group {
+  display: flex;
+  gap: var(--space-lg);
+}
+
+.radio-label {
+  display: flex;
+  align-items: center;
+  gap: var(--space-xs);
+  cursor: pointer;
+  font-size: 14px;
+}
+
+.radio-label input[type="radio"] {
+  accent-color: var(--accent);
+}
+
+/* Success message */
+.success-message {
+  padding: var(--space-sm) var(--space-md);
+  background-color: color-mix(in srgb, var(--indicator-normal) 10%, transparent);
+  color: var(--indicator-normal);
+  border-radius: var(--radius-md);
+  font-size: 14px;
+  margin-bottom: var(--space-md);
+}
+
+/* Select styling */
+select.input {
+  appearance: none;
+  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2371717a' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
+  background-repeat: no-repeat;
+  background-position: right 12px center;
+  padding-right: 36px;
+}

frontend/src/pages/Dashboard.tsx

@@ -1,5 +1,5 @@
 import { useEffect, useState } from 'react'
-import { useNavigate } from 'react-router-dom'
+import { useNavigate, Link } from 'react-router-dom'
 
 interface User {
     id: number
@@ -52,7 +52,10 @@ export function Dashboard() {
     return (
         <div style={{ padding: 'var(--space-lg)' }}>
             <header style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'center', marginBottom: 'var(--space-xl)' }}>
+                <div style={{ display: 'flex', alignItems: 'center', gap: 'var(--space-sm)' }}>
+                    <img src="/logo.svg" alt="zhealth" style={{ width: '32px', height: '32px' }} />
                     <h1>zhealth</h1>
+                </div>
                 <div style={{ display: 'flex', gap: 'var(--space-sm)' }}>
                     <button className="btn btn-secondary" onClick={toggleTheme}>
                         Theme
@@ -65,11 +68,18 @@ export function Dashboard() {
 
             <main>
                 <div className="card" style={{ marginBottom: 'var(--space-lg)' }}>
-                    <h3 style={{ marginBottom: 'var(--space-md)' }}>Welcome, {user.username}</h3>
-                    <p className="text-secondary">
+                    <div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'flex-start' }}>
+                        <div>
+                            <h3 style={{ marginBottom: 'var(--space-sm)' }}>Welcome, {user.username}</h3>
+                            <p className="text-secondary text-sm">
                                 Role: <span className="indicator indicator-info">{user.role}</span>
                             </p>
                         </div>
+                        <Link to="/profile" className="btn btn-secondary">
+                            Edit Profile
+                        </Link>
+                    </div>
+                </div>
 
                 <p className="text-secondary text-sm">
                     Dashboard coming soon...

frontend/src/pages/Profile.tsx

@@ -0,0 +1,252 @@
+import { useEffect, useState } from 'react'
+import { useNavigate, Link } from 'react-router-dom'
+
+interface Diet {
+    id: number
+    name: string
+    description: string
+}
+
+interface UserProfile {
+    id: number
+    username: string
+    role: string
+    height_cm: number | null
+    blood_type: string | null
+    birthdate: string | null
+    smoking: boolean | null
+    alcohol: boolean | null
+    diet: string | null
+}
+
+export function ProfilePage() {
+    const navigate = useNavigate()
+    const [loading, setLoading] = useState(true)
+    const [saving, setSaving] = useState(false)
+    const [message, setMessage] = useState<{ type: 'success' | 'error'; text: string } | null>(null)
+    const [diets, setDiets] = useState<Diet[]>([])
+
+    // Form state
+    const [userId, setUserId] = useState<number | null>(null)
+    const [username, setUsername] = useState('')
+    const [heightCm, setHeightCm] = useState('')
+    const [bloodType, setBloodType] = useState('')
+    const [birthdate, setBirthdate] = useState('')
+    const [smoking, setSmoking] = useState<boolean | null>(null)
+    const [alcohol, setAlcohol] = useState<boolean | null>(null)
+    const [dietId, setDietId] = useState<number | null>(null)
+
+    useEffect(() => {
+        // Fetch current user and diets
+        Promise.all([
+            fetch('/api/auth/me', { credentials: 'include' }).then(r => r.json()),
+            fetch('/api/diets', { credentials: 'include' }).then(r => r.json()),
+        ])
+            .then(([authData, dietsData]) => {
+                if (!authData.user) {
+                    navigate('/login')
+                    return
+                }
+                setDiets(dietsData)
+
+                // Now fetch full user profile
+                return fetch(`/api/users/${authData.user.id}`, { credentials: 'include' })
+                    .then(r => r.json())
+                    .then((profile: UserProfile) => {
+                        setUserId(profile.id)
+                        setUsername(profile.username)
+                        setHeightCm(profile.height_cm?.toString() || '')
+                        setBloodType(profile.blood_type || '')
+                        setBirthdate(profile.birthdate || '')
+                        setSmoking(profile.smoking)
+                        setAlcohol(profile.alcohol)
+                        // Find diet ID from name
+                        const diet = dietsData.find((d: Diet) => d.name === profile.diet)
+                        setDietId(diet?.id || null)
+                    })
+            })
+            .catch(() => navigate('/login'))
+            .finally(() => setLoading(false))
+    }, [navigate])
+
+    const handleSubmit = async (e: React.FormEvent) => {
+        e.preventDefault()
+        if (!userId) return
+
+        setSaving(true)
+        setMessage(null)
+
+        try {
+            const res = await fetch(`/api/users/${userId}`, {
+                method: 'PUT',
+                headers: { 'Content-Type': 'application/json' },
+                credentials: 'include',
+                body: JSON.stringify({
+                    height_cm: heightCm ? parseFloat(heightCm) : null,
+                    blood_type: bloodType || null,
+                    birthdate: birthdate || null,
+                    smoking,
+                    alcohol,
+                    diet_id: dietId,
+                }),
+            })
+
+            if (res.ok) {
+                setMessage({ type: 'success', text: 'Profile updated successfully' })
+            } else {
+                setMessage({ type: 'error', text: 'Failed to update profile' })
+            }
+        } catch {
+            setMessage({ type: 'error', text: 'Network error' })
+        } finally {
+            setSaving(false)
+        }
+    }
+
+    if (loading) {
+        return <div style={{ padding: 'var(--space-lg)' }}>Loading...</div>
+    }
+
+    return (
+        <div style={{ padding: 'var(--space-lg)', maxWidth: '600px', margin: '0 auto' }}>
+            <header style={{ marginBottom: 'var(--space-xl)' }}>
+                <Link to="/" className="text-secondary text-sm">← Back to Dashboard</Link>
+                <h1 style={{ marginTop: 'var(--space-sm)' }}>Profile</h1>
+            </header>
+
+            <form onSubmit={handleSubmit}>
+                {/* Username (read-only) */}
+                <div className="card" style={{ marginBottom: 'var(--space-lg)' }}>
+                    <h3 style={{ marginBottom: 'var(--space-md)' }}>Account</h3>
+                    <div className="form-group">
+                        <label>Username</label>
+                        <input type="text" className="input" value={username} disabled />
+                    </div>
+                </div>
+
+                {/* Physical Info */}
+                <div className="card" style={{ marginBottom: 'var(--space-lg)' }}>
+                    <h3 style={{ marginBottom: 'var(--space-md)' }}>Physical Info</h3>
+
+                    <div className="form-group">
+                        <label htmlFor="height">Height (cm)</label>
+                        <input
+                            id="height"
+                            type="number"
+                            className="input"
+                            value={heightCm}
+                            onChange={(e) => setHeightCm(e.target.value)}
+                            placeholder="e.g. 175"
+                            step="0.1"
+                        />
+                    </div>
+
+                    <div className="form-group">
+                        <label htmlFor="bloodType">Blood Type</label>
+                        <select
+                            id="bloodType"
+                            className="input"
+                            value={bloodType}
+                            onChange={(e) => setBloodType(e.target.value)}
+                        >
+                            <option value="">Select...</option>
+                            <option value="A+">A+</option>
+                            <option value="A-">A-</option>
+                            <option value="B+">B+</option>
+                            <option value="B-">B-</option>
+                            <option value="AB+">AB+</option>
+                            <option value="AB-">AB-</option>
+                            <option value="O+">O+</option>
+                            <option value="O-">O-</option>
+                        </select>
+                    </div>
+
+                    <div className="form-group">
+                        <label htmlFor="birthdate">Date of Birth</label>
+                        <input
+                            id="birthdate"
+                            type="date"
+                            className="input"
+                            value={birthdate}
+                            onChange={(e) => setBirthdate(e.target.value)}
+                        />
+                    </div>
+                </div>
+
+                {/* Lifestyle */}
+                <div className="card" style={{ marginBottom: 'var(--space-lg)' }}>
+                    <h3 style={{ marginBottom: 'var(--space-md)' }}>Lifestyle</h3>
+
+                    <div className="form-group">
+                        <label htmlFor="diet">Diet</label>
+                        <select
+                            id="diet"
+                            className="input"
+                            value={dietId || ''}
+                            onChange={(e) => setDietId(e.target.value ? parseInt(e.target.value) : null)}
+                        >
+                            <option value="">Select...</option>
+                            {diets.map(d => (
+                                <option key={d.id} value={d.id}>{d.name}</option>
+                            ))}
+                        </select>
+                    </div>
+
+                    <div className="form-group">
+                        <label>Smoking</label>
+                        <div className="radio-group">
+                            <label className="radio-label">
+                                <input
+                                    type="radio"
+                                    name="smoking"
+                                    checked={smoking === false}
+                                    onChange={() => setSmoking(false)}
+                                /> No
+                            </label>
+                            <label className="radio-label">
+                                <input
+                                    type="radio"
+                                    name="smoking"
+                                    checked={smoking === true}
+                                    onChange={() => setSmoking(true)}
+                                /> Yes
+                            </label>
+                        </div>
+                    </div>
+
+                    <div className="form-group">
+                        <label>Alcohol</label>
+                        <div className="radio-group">
+                            <label className="radio-label">
+                                <input
+                                    type="radio"
+                                    name="alcohol"
+                                    checked={alcohol === false}
+                                    onChange={() => setAlcohol(false)}
+                                /> No
+                            </label>
+                            <label className="radio-label">
+                                <input
+                                    type="radio"
+                                    name="alcohol"
+                                    checked={alcohol === true}
+                                    onChange={() => setAlcohol(true)}
+                                /> Yes
+                            </label>
+                        </div>
+                    </div>
+                </div>
+
+                {message && (
+                    <div className={message.type === 'success' ? 'success-message' : 'error-message'}>
+                        {message.text}
+                    </div>
+                )}
+
+                <button type="submit" className="btn btn-primary btn-block" disabled={saving}>
+                    {saving ? 'Saving...' : 'Save Profile'}
+                </button>
+            </form>
+        </div>
+    )
+}