added button

public/sw.js

@@ -0,0 +1,31 @@
+const CACHE = 'gj-v1'
+
+self.addEventListener('install', (e) => {
+  e.waitUntil(
+    caches.open(CACHE).then((cache) =>
+      cache.addAll(['/', '/manifest.json', '/icon.svg'])
+    )
+  )
+  self.skipWaiting()
+})
+
+self.addEventListener('activate', (e) => {
+  e.waitUntil(
+    caches.keys().then((keys) =>
+      Promise.all(keys.filter((k) => k !== CACHE).map((k) => caches.delete(k)))
+    )
+  )
+  self.clients.claim()
+})
+
+self.addEventListener('fetch', (e) => {
+  // Only cache GET requests for same-origin non-API resources
+  if (
+    e.request.method !== 'GET' ||
+    e.request.url.includes('/api/')
+  ) return
+
+  e.respondWith(
+    caches.match(e.request).then((cached) => cached || fetch(e.request))
+  )
+})

src/main.tsx

@@ -3,6 +3,12 @@ import { createRoot } from 'react-dom/client'
 import './index.css'
 import App from './App.tsx'
 
+if ('serviceWorker' in navigator) {
+  window.addEventListener('load', () => {
+    navigator.serviceWorker.register('/sw.js')
+  })
+}
+
 createRoot(document.getElementById('root')!).render(
   <StrictMode>
     <App />

src/pages/SettingsPage.tsx

@@ -53,7 +53,7 @@ export default function SettingsPage() {
   const navigate = useNavigate()
   const fileInputRef = useRef<HTMLInputElement>(null)
   const { canInstall, isIOS, isInstalled, triggerInstall } = usePWAInstall()
-  const [showIOSModal, setShowIOSModal] = useState(false)
+  const [installModal, setInstallModal] = useState<'ios' | 'chrome' | null>(null)
 
   // Edit profile modal state
   const [showEditModal, setShowEditModal] = useState(false)
@@ -286,14 +286,21 @@ export default function SettingsPage() {
         </section>
 
         {/* App */}
-        {!isInstalled && (isIOS || canInstall) && (
         <section className="settings-section">
             <h3 className="settings-section-title">APP</h3>
             <div className="settings-card">
               <button
                 type="button"
                 className="settings-item settings-item-button"
-                onClick={() => isIOS ? setShowIOSModal(true) : triggerInstall()}
+                onClick={() => {
+                  if (isIOS) {
+                    setInstallModal('ios')
+                  } else if (canInstall) {
+                    triggerInstall()
+                  } else {
+                    setInstallModal('chrome')
+                  }
+                }}
               >
                 <div className="settings-item-icon settings-item-icon-purple">
                   <svg width="22" height="22" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round">
@@ -311,7 +318,6 @@ export default function SettingsPage() {
               </button>
             </div>
           </section>
-        )}
 
         {/* Data & Look */}
         <section className="settings-section">
@@ -526,12 +532,15 @@ export default function SettingsPage() {
         </div>
       )}
 
-      {/* iOS "Add to Home Screen" instructions modal */}
-      {showIOSModal && (
-        <div className="confirm-modal-overlay" onClick={() => setShowIOSModal(false)}>
+      {/* Add to Home Screen instructions modal */}
+      {installModal && (
+        <div className="confirm-modal-overlay" onClick={() => setInstallModal(null)}>
           <div className="confirm-modal ios-install-modal" onClick={(e) => e.stopPropagation()}>
             <div className="ios-install-icon">🌱</div>
             <h3 className="confirm-modal-title">Add to Home Screen</h3>
+
+            {installModal === 'ios' ? (
+              <>
                 <p className="ios-install-subtitle">Follow these steps in Safari:</p>
                 <ol className="ios-install-steps">
                   <li>
@@ -563,11 +572,45 @@ export default function SettingsPage() {
                     Tap <strong>Add</strong> to confirm
                   </li>
                 </ol>
+              </>
+            ) : (
+              <>
+                <p className="ios-install-subtitle">Follow these steps in Chrome:</p>
+                <ol className="ios-install-steps">
+                  <li>
+                    <span className="ios-install-step-icon">
+                      <svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round">
+                        <circle cx="12" cy="12" r="1" /><circle cx="19" cy="12" r="1" /><circle cx="5" cy="12" r="1" />
+                      </svg>
+                    </span>
+                    Tap the <strong>⋮ menu</strong> in the top-right corner
+                  </li>
+                  <li>
+                    <span className="ios-install-step-icon">
+                      <svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round">
+                        <rect x="5" y="2" width="14" height="20" rx="2" ry="2" />
+                        <line x1="12" y1="18" x2="12.01" y2="18" />
+                      </svg>
+                    </span>
+                    Tap <strong>Add to Home screen</strong>
+                  </li>
+                  <li>
+                    <span className="ios-install-step-icon">
+                      <svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round">
+                        <polyline points="20 6 9 17 4 12" />
+                      </svg>
+                    </span>
+                    Tap <strong>Add</strong> to confirm
+                  </li>
+                </ol>
+              </>
+            )}
+
             <button
               type="button"
               className="edit-modal-save"
               style={{ width: '100%', marginTop: '1rem' }}
-              onClick={() => setShowIOSModal(false)}
+              onClick={() => setInstallModal(null)}
             >
               Got it
             </button>