feat(pwa): installable app — manifest + SW + Settings install button

The captive-portal Step-2 QR opens pictureframe.edholm.me in Safari,
which is the perfect moment to also offer "pin this to your home
screen" so the recipient gets one-tap access without typing the URL
again. Two pieces:

* Service worker at /sw.js (document root, scope "/"). Minimal —
  install/activate calls skipWaiting + clients.claim, fetch is
  passthrough. Real offline caching is intentionally out of scope;
  we only need the SW to exist so Chrome's PWA-install heuristic
  fires.

* Settings → Install app section, hidden when display-mode standalone.
  Android Chrome path: native beforeinstallprompt button.
  iOS Safari (and any other non-prompt browser): button opens a
  modal with step-by-step Share → Add to Home Screen instructions.

usePwaInstall composable handles the singleton lifecycle —
beforeinstallprompt fires once per page load and may fire before the
user navigates to Settings, so we register on module import and stash
the event for later.

Tests cover: install button rendered when not standalone, modal opens
on click without a native prompt, modal close button works.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

public/build/assets/DevicePicker-C6ucVR6N.js

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+import{J as e,M as t,P as n,S as r,_ as i,b as a,g as o,h as s,p as c,t as l,x as u,y as d,z as f}from"./_plugin-vue_export-helper-eepT72yB.js";import{n as p,t as m}from"./BaseBottomSheet-BMI-Oljh.js";var h={class:`device-picker__list`},g=[`checked`,`onChange`],_={class:`device-picker__name`},v={class:`device-picker__orientation`},y=l(r({__name:`DevicePicker`,props:{modelValue:{type:Boolean},devices:{},selected:{},uploading:{type:Boolean}},emits:[`update:modelValue`,`update:selected`,`confirm`],setup(r,{emit:l}){let y=r,b=l;function x(e){y.selected.includes(e)?b(`update:selected`,y.selected.filter(t=>t!==e)):b(`update:selected`,[...y.selected,e])}let S=s(()=>{let e=y.selected.length;return e===0?`Add to frame`:`Add to ${e} frame${e>1?`s`:``}`});return(s,l)=>(t(),i(m,{"model-value":r.modelValue,label:`Choose frames`,"onUpdate:modelValue":l[1]||=e=>s.$emit(`update:modelValue`,e)},{default:f(()=>[l[2]||=o(`h2`,{class:`device-picker__title`},`Add to frames`,-1),l[3]||=o(`p`,{class:`device-picker__sub`},`Choose which frames will show this photo.`,-1),o(`div`,h,[(t(!0),d(c,null,n(r.devices,n=>(t(),d(`label`,{key:n.id,class:`device-picker__row`},[o(`input`,{type:`checkbox`,class:`device-picker__check`,checked:r.selected.includes(n.id),onChange:e=>x(n.id)},null,40,g),o(`span`,_,e(n.name),1),o(`span`,v,e(n.orientation),1)]))),128))]),u(p,{variant:`primary`,class:`device-picker__confirm`,disabled:r.selected.length===0||r.uploading,onClick:l[0]||=e=>s.$emit(`confirm`)},{default:f(()=>[a(e(r.uploading?`Uploading…`:S.value),1)]),_:1},8,[`disabled`])]),_:1},8,[`model-value`]))}}),[[`__scopeId`,`data-v-a6466fa5`]]);export{y as t};

public/build/assets/DevicePicker-DqqJJ3eI.js

@@ -1 +0,0 @@
-import{_ as e,d as t,f as n,g as r,j as i,k as a,m as o,pt as s,s as c,t as l,u,v as d,z as f}from"./_plugin-vue_export-helper-DRLwVS0w.js";import{n as p,t as m}from"./BaseBottomSheet-D5oDq9XR.js";var h={class:`device-picker__list`},g=[`checked`,`onChange`],_={class:`device-picker__name`},v={class:`device-picker__orientation`},y=l(d({__name:`DevicePicker`,props:{modelValue:{type:Boolean},devices:{},selected:{},uploading:{type:Boolean}},emits:[`update:modelValue`,`update:selected`,`confirm`],setup(l,{emit:d}){let y=l,b=d;function x(e){y.selected.includes(e)?b(`update:selected`,y.selected.filter(t=>t!==e)):b(`update:selected`,[...y.selected,e])}let S=u(()=>{let e=y.selected.length;return e===0?`Add to frame`:`Add to ${e} frame${e>1?`s`:``}`});return(u,d)=>(a(),n(m,{"model-value":l.modelValue,label:`Choose frames`,"onUpdate:modelValue":d[1]||=e=>u.$emit(`update:modelValue`,e)},{default:f(()=>[d[2]||=t(`h2`,{class:`device-picker__title`},`Add to frames`,-1),d[3]||=t(`p`,{class:`device-picker__sub`},`Choose which frames will show this photo.`,-1),t(`div`,h,[(a(!0),o(c,null,i(l.devices,e=>(a(),o(`label`,{key:e.id,class:`device-picker__row`},[t(`input`,{type:`checkbox`,class:`device-picker__check`,checked:l.selected.includes(e.id),onChange:t=>x(e.id)},null,40,g),t(`span`,_,s(e.name),1),t(`span`,v,s(e.orientation),1)]))),128))]),e(p,{variant:`primary`,class:`device-picker__confirm`,disabled:l.selected.length===0||l.uploading,onClick:d[0]||=e=>u.$emit(`confirm`)},{default:f(()=>[r(s(l.uploading?`Uploading…`:S.value),1)]),_:1},8,[`disabled`])]),_:1},8,[`model-value`]))}}),[[`__scopeId`,`data-v-a6466fa5`]]);export{y as t};

public/build/assets/PullToRefresh-BEXU4J3A.js

@@ -0,0 +1 @@
+import{F as e,H as t,K as n,M as r,S as i,g as a,h as o,q as s,t as c,y as l}from"./_plugin-vue_export-helper-eepT72yB.js";var u={key:1,class:`ptr__spinner`,role:`status`,"aria-label":`Refreshing`},d=c(i({__name:`PullToRefresh`,props:{isAtTop:{},onRefresh:{},threshold:{default:80},maxPull:{default:140}},setup(i){let c=i,d=t(0),f=t(!1),p=0,m=0,h=!1,g=null,_=o(()=>Math.min(d.value/c.threshold,1)),v=o(()=>f.value?1:Math.min(d.value/c.threshold,1)),y=o(()=>({transform:`translateY(${d.value}px)`,transition:h?`none`:`transform 240ms cubic-bezier(0.2, 0.8, 0.2, 1)`}));function b(e){f.value||c.isAtTop&&!c.isAtTop()||e.touches.length===1&&(p=e.touches[0].clientY,m=e.touches[0].clientX,h=!0,g=null)}function x(e){if(!h)return;let t=e.touches[0].clientX-m,n=e.touches[0].clientY-p;if(g===null){if(Math.abs(t)<6&&Math.abs(n)<6)return;g=Math.abs(t)>Math.abs(n)?`x`:`y`}if(g===`x`||n<=0){h=!1,d.value=0;return}if(c.isAtTop&&!c.isAtTop()){h=!1,d.value=0;return}let r=n<c.maxPull?n*.5:c.maxPull*.5+(n-c.maxPull)*.1;d.value=Math.min(r,c.maxPull*.7),e.cancelable&&e.preventDefault()}async function S(){if(h)if(h=!1,d.value>=c.threshold){f.value=!0,d.value=c.threshold*.7;try{await c.onRefresh()}catch(e){console.error(`Pull-to-refresh failed:`,e)}finally{f.value=!1,d.value=0}}else d.value=0}return(t,i)=>(r(),l(`div`,{class:`ptr`,onTouchstartPassive:b,onTouchmove:x,onTouchend:S,onTouchcancel:S},[a(`div`,{class:n([`ptr__indicator`,{"ptr__indicator--ready":_.value>=1}]),style:s({opacity:v.value,transform:`translateY(${d.value*.6}px)`}),"aria-hidden":`true`},[f.value?(r(),l(`div`,u)):(r(),l(`svg`,{key:0,class:`ptr__arrow`,viewBox:`0 0 24 24`,style:s({transform:`rotate(${_.value*180}deg)`})},[...i[0]||=[a(`line`,{x1:`12`,y1:`5`,x2:`12`,y2:`19`,stroke:`currentColor`,"stroke-width":`2.5`,"stroke-linecap":`round`},null,-1),a(`polyline`,{points:`6 13 12 19 18 13`,stroke:`currentColor`,"stroke-width":`2.5`,fill:`none`,"stroke-linecap":`round`,"stroke-linejoin":`round`},null,-1)]],4))],6),a(`div`,{class:`ptr__content`,style:s(y.value)},[e(t.$slots,`default`,{},void 0,!0)],4)],32))}}),[[`__scopeId`,`data-v-e2242f3c`]]);export{d as t};

public/build/assets/PullToRefresh-D9_uAhZQ.js

@@ -1 +0,0 @@
-import{H as e,M as t,d as n,dt as r,ft as i,k as a,m as o,t as s,u as c,v as l}from"./_plugin-vue_export-helper-DRLwVS0w.js";var u={key:1,class:`ptr__spinner`,role:`status`,"aria-label":`Refreshing`},d=s(l({__name:`PullToRefresh`,props:{isAtTop:{},onRefresh:{},threshold:{default:80},maxPull:{default:140}},setup(s){let l=s,d=e(0),f=e(!1),p=0,m=0,h=!1,g=null,_=c(()=>Math.min(d.value/l.threshold,1)),v=c(()=>f.value?1:Math.min(d.value/l.threshold,1)),y=c(()=>({transform:`translateY(${d.value}px)`,transition:h?`none`:`transform 240ms cubic-bezier(0.2, 0.8, 0.2, 1)`}));function b(e){f.value||l.isAtTop&&!l.isAtTop()||e.touches.length===1&&(p=e.touches[0].clientY,m=e.touches[0].clientX,h=!0,g=null)}function x(e){if(!h)return;let t=e.touches[0].clientX-m,n=e.touches[0].clientY-p;if(g===null){if(Math.abs(t)<6&&Math.abs(n)<6)return;g=Math.abs(t)>Math.abs(n)?`x`:`y`}if(g===`x`||n<=0){h=!1,d.value=0;return}if(l.isAtTop&&!l.isAtTop()){h=!1,d.value=0;return}let r=n<l.maxPull?n*.5:l.maxPull*.5+(n-l.maxPull)*.1;d.value=Math.min(r,l.maxPull*.7),e.cancelable&&e.preventDefault()}async function S(){if(h)if(h=!1,d.value>=l.threshold){f.value=!0,d.value=l.threshold*.7;try{await l.onRefresh()}catch(e){console.error(`Pull-to-refresh failed:`,e)}finally{f.value=!1,d.value=0}}else d.value=0}return(e,s)=>(a(),o(`div`,{class:`ptr`,onTouchstartPassive:b,onTouchmove:x,onTouchend:S,onTouchcancel:S},[n(`div`,{class:r([`ptr__indicator`,{"ptr__indicator--ready":_.value>=1}]),style:i({opacity:v.value,transform:`translateY(${d.value*.6}px)`}),"aria-hidden":`true`},[f.value?(a(),o(`div`,u)):(a(),o(`svg`,{key:0,class:`ptr__arrow`,viewBox:`0 0 24 24`,style:i({transform:`rotate(${_.value*180}deg)`})},[...s[0]||=[n(`line`,{x1:`12`,y1:`5`,x2:`12`,y2:`19`,stroke:`currentColor`,"stroke-width":`2.5`,"stroke-linecap":`round`},null,-1),n(`polyline`,{points:`6 13 12 19 18 13`,stroke:`currentColor`,"stroke-width":`2.5`,fill:`none`,"stroke-linecap":`round`,"stroke-linejoin":`round`},null,-1)]],4))],6),n(`div`,{class:`ptr__content`,style:i(y.value)},[t(e.$slots,`default`,{},void 0,!0)],4)],32))}}),[[`__scopeId`,`data-v-e2242f3c`]]);export{d as t};

public/build/assets/SettingsView-BBsU7iD5.js

@@ -1 +0,0 @@
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public/build/assets/SettingsView-BGXX7ONa.css

@@ -1 +0,0 @@
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public/build/assets/SettingsView-BuwptVaB.js

@@ -0,0 +1 @@
+import{G as e,H as t,J as n,K as r,M as i,P as a,S as o,b as s,f as c,g as l,h as u,p as d,q as f,t as p,v as m,y as h}from"./_plugin-vue_export-helper-eepT72yB.js";import{n as g,r as _,t as v}from"./index-BO5caB_f.js";var y=t(null),b=t(!1);function x(){return typeof window>`u`?!1:window.matchMedia?.(`(display-mode: standalone)`).matches?!0:window.navigator.standalone===!0}function S(){if(typeof navigator>`u`)return!1;let e=navigator.userAgent,t=e.includes(`Mac`)&&navigator.maxTouchPoints>1;return/iPhone|iPod/.test(e)||t}var C=!1;function w(){C||typeof window>`u`||(C=!0,b.value=x(),window.addEventListener(`beforeinstallprompt`,e=>{e.preventDefault(),y.value=e}),window.addEventListener(`appinstalled`,()=>{y.value=null,b.value=!0}),window.matchMedia?.(`(display-mode: standalone)`).addEventListener(`change`,e=>{b.value=e.matches}))}w();function T(){let e=S(),t=u(()=>y.value!==null);async function n(){let e=y.value;if(!e)return!1;await e.prompt();let t=await e.userChoice;return y.value=null,t.outcome===`accepted`}return{isStandalone:b,isIOS:e,canPromptInstall:t,install:n}}var E={class:`settings`},D={key:0,class:`settings__section`},O={class:`settings__section`},k={class:`theme-grid`,role:`radiogroup`,"aria-label":`Choose theme`},A=[`aria-checked`,`aria-label`,`onClick`],j={class:`theme-swatch__label`},M={key:0,class:`theme-swatch__check`,"aria-hidden":`true`},N={class:`settings__section`},P={class:`settings__row`},F={class:`settings__row-value`},I={class:`install-modal__card`},L={id:`install-modal-title`,class:`install-modal__title`},R={class:`install-modal__steps`},z={key:0},B={key:1},V={key:0},H=p(o({__name:`SettingsView`,setup(o){let p=_(),{saveTheme:y}=g(),{isStandalone:b,isIOS:x,canPromptInstall:S,install:C}=T(),w=u(()=>p.user?.theme??`warm-craft`),H=t(!1);function U(e){y(e)}async function W(){!await C()&&!S.value&&(H.value=!0)}return(t,o)=>(i(),h(`main`,E,[o[18]||=l(`h1`,{class:`settings__title`},`Settings`,-1),e(b)?m(``,!0):(i(),h(`section`,D,[o[3]||=l(`h2`,{class:`settings__section-title`},`Install app`,-1),o[4]||=l(`p`,{class:`settings__hint`},` Pin pictureFrame to your home screen so it opens like a native app. `,-1),e(S)?(i(),h(`button`,{key:0,type:`button`,class:`settings__install`,onClick:W},` Install pictureFrame `)):(i(),h(`button`,{key:1,type:`button`,class:`settings__install`,onClick:o[0]||=e=>H.value=!0},` Add to Home Screen `))])),l(`section`,O,[o[6]||=l(`h2`,{class:`settings__section-title`},`Theme`,-1),l(`div`,k,[(i(!0),h(d,null,a(e(v),e=>(i(),h(`button`,{key:e.id,type:`button`,role:`radio`,"aria-checked":w.value===e.id,"aria-label":e.label,class:r([`theme-swatch`,{"theme-swatch--active":w.value===e.id}]),style:f({"--swatch-bg":e.bg,"--swatch-primary":e.primary,"--swatch-text":e.text}),onClick:t=>U(e.id)},[o[5]||=l(`span`,{class:`theme-swatch__preview`,"aria-hidden":`true`},[l(`span`,{class:`theme-swatch__bar`}),l(`span`,{class:`theme-swatch__dot`})],-1),l(`span`,j,n(e.label),1),w.value===e.id?(i(),h(`span`,M,`✓`)):m(``,!0)],14,A))),128))])]),l(`section`,N,[o[8]||=l(`h2`,{class:`settings__section-title`},`Account`,-1),l(`div`,P,[o[7]||=l(`span`,{class:`settings__row-label`},`Signed in as`,-1),l(`span`,F,n(e(p).user?.email),1)]),o[9]||=l(`a`,{href:`/logout`,class:`settings__logout`},`Sign out`,-1)]),H.value?(i(),h(`div`,{key:1,class:`install-modal`,role:`dialog`,"aria-modal":`true`,"aria-labelledby":`install-modal-title`,onClick:o[2]||=c(e=>H.value=!1,[`self`])},[l(`div`,I,[l(`button`,{type:`button`,class:`install-modal__close`,"aria-label":`Close`,onClick:o[1]||=e=>H.value=!1},`×`),l(`h2`,L,n(e(x)?`Add to your iPhone home screen`:`Add to your home screen`),1),l(`ol`,R,[e(x)?(i(),h(`li`,z,[...o[10]||=[s(` Tap the `,-1),l(`strong`,null,`Share`,-1),s(` icon at the bottom of Safari (the square with an up-arrow). `,-1)]])):(i(),h(`li`,B,[...o[11]||=[s(` Open your browser's menu (usually the three dots `,-1),l(`strong`,null,`⋮`,-1),s(` in the top right). `,-1)]])),l(`li`,null,[o[13]||=s(` Scroll down and tap `,-1),o[14]||=l(`strong`,null,`Add to Home Screen`,-1),e(x)?m(``,!0):(i(),h(`span`,V,[...o[12]||=[s(`or `,-1),l(`strong`,null,`Install app`,-1)]])),o[15]||=s(`. `,-1)]),o[16]||=l(`li`,null,[s(` Tap `),l(`strong`,null,`Add`),s(` in the top right to confirm. `)],-1)]),o[17]||=l(`p`,{class:`install-modal__footer`},` The app will appear on your home screen and open without browser chrome the next time you launch it. `,-1)])])):m(``,!0)]))}}),[[`__scopeId`,`data-v-6f8a8b72`]]);export{H as default};

public/build/assets/SettingsView-Ce_UCsin.css

@@ -0,0 +1 @@
+.settings[data-v-6f8a8b72]{padding:var(--space-4) var(--space-4) calc(var(--bottom-nav-height) + var(--space-6));max-width:480px;margin:0 auto}.settings__title[data-v-6f8a8b72]{font-size:var(--text-xl);margin-bottom:var(--space-6);font-weight:700}.settings__section[data-v-6f8a8b72]{margin-bottom:var(--space-6)}.settings__section-title[data-v-6f8a8b72]{font-size:var(--text-sm);color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.06em;margin-bottom:var(--space-3);font-weight:700}.settings__row[data-v-6f8a8b72]{padding:var(--space-3) 0;border-bottom:1px solid var(--color-border);font-size:var(--text-base);justify-content:space-between;align-items:center;display:flex}.settings__row-label[data-v-6f8a8b72]{color:var(--color-text-muted)}.settings__row-value[data-v-6f8a8b72]{font-weight:600}.settings__logout[data-v-6f8a8b72]{min-height:var(--touch-min);padding:var(--space-3) 0;color:var(--color-destructive);font-weight:600;font-size:var(--text-base);align-items:center;text-decoration:none;display:flex}.settings__hint[data-v-6f8a8b72]{color:var(--color-text-muted);font-size:var(--text-sm);margin-bottom:var(--space-3);line-height:1.4}.settings__install[data-v-6f8a8b72]{width:100%;min-height:var(--touch-min);background:var(--color-primary);color:var(--color-on-primary);border-radius:var(--radius-pill,9999px);font-size:var(--text-base);cursor:pointer;border:none;justify-content:center;align-items:center;font-weight:700;display:flex}.install-modal[data-v-6f8a8b72]{padding:var(--space-4);z-index:100;background:#00000080;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.install-modal__card[data-v-6f8a8b72]{background:var(--color-surface);color:var(--color-text);border-radius:var(--radius-lg,16px);padding:var(--space-5);width:100%;max-width:380px;position:relative;box-shadow:0 20px 60px #00000040}.install-modal__close[data-v-6f8a8b72]{top:var(--space-2);right:var(--space-3);color:var(--color-text-muted);cursor:pointer;padding:var(--space-1) var(--space-2);background:0 0;border:none;font-size:1.75rem;line-height:1;position:absolute}.install-modal__title[data-v-6f8a8b72]{font-size:var(--text-lg);margin-bottom:var(--space-3);padding-right:var(--space-5);font-weight:700}.install-modal__steps[data-v-6f8a8b72]{margin:0 0 var(--space-3) var(--space-4);padding:0;line-height:1.5}.install-modal__steps li[data-v-6f8a8b72]{margin-bottom:var(--space-2)}.install-modal__footer[data-v-6f8a8b72]{color:var(--color-text-muted);font-size:var(--text-sm);margin-top:var(--space-3);border-top:1px solid var(--color-border);padding-top:var(--space-3);line-height:1.4}.theme-grid[data-v-6f8a8b72]{gap:var(--space-3);grid-template-columns:repeat(3,1fr);display:grid}.theme-swatch[data-v-6f8a8b72]{align-items:center;gap:var(--space-2);padding:var(--space-3);background:var(--swatch-bg);border-radius:var(--radius-md);cursor:pointer;transition:border-color var(--duration-fast);min-height:var(--touch-min);border:2px solid #0000;flex-direction:column;display:flex;position:relative}.theme-swatch--active[data-v-6f8a8b72]{border-color:var(--swatch-primary)}.theme-swatch__preview[data-v-6f8a8b72]{border-radius:var(--radius-sm);background:var(--swatch-bg);border:1px solid color-mix(in srgb, var(--swatch-text) 15%, transparent);flex-direction:column;justify-content:center;gap:4px;width:100%;height:36px;padding:0 6px;display:flex}.theme-swatch__bar[data-v-6f8a8b72]{background:var(--swatch-primary);border-radius:3px;width:60%;height:6px;display:block}.theme-swatch__dot[data-v-6f8a8b72]{background:var(--swatch-text);opacity:.4;border-radius:2px;width:80%;height:4px;display:block}.theme-swatch__label[data-v-6f8a8b72]{font-size:var(--text-xs);color:var(--color-text);text-align:center;font-weight:600;line-height:1.2}.theme-swatch__check[data-v-6f8a8b72]{top:var(--space-1);right:var(--space-2);font-size:var(--text-sm);color:var(--swatch-primary);font-weight:700;position:absolute}

public/build/index.html

@@ -14,8 +14,8 @@
     <meta name="mobile-web-app-capable" content="yes" />
     <meta name="apple-mobile-web-app-status-bar-style" content="default" />
     <meta name="apple-mobile-web-app-title" content="pictureFrame" />
-    <script type="module" crossorigin src="/build/assets/index-CCy85pot.js"></script>
-    <link rel="modulepreload" crossorigin href="/build/assets/_plugin-vue_export-helper-DRLwVS0w.js">
+    <script type="module" crossorigin src="/build/assets/index-BO5caB_f.js"></script>
+    <link rel="modulepreload" crossorigin href="/build/assets/_plugin-vue_export-helper-eepT72yB.js">
     <link rel="stylesheet" crossorigin href="/build/assets/index-BlLBHR1q.css">
   </head>
   <body>

public/sw.js

@@ -0,0 +1,25 @@
+// Minimal service worker — present so Chrome's PWA install criteria
+// pass and the beforeinstallprompt event fires. Real offline caching
+// is intentionally out of scope; we don't pre-cache the SPA shell or
+// intercept fetches in any meaningful way.
+//
+// Lives at /sw.js (document root, not /build/sw.js) so its default
+// scope is /, matching the manifest's "scope": "/". Don't move it
+// without setting Service-Worker-Allowed: / on the response.
+
+self.addEventListener('install', () => {
+  // Activate immediately, don't wait for old tabs to close
+  self.skipWaiting()
+})
+
+self.addEventListener('activate', (event) => {
+  // Take control of all clients (including ones that loaded before
+  // this SW activated) so subsequent navigations go through us.
+  event.waitUntil(self.clients.claim())
+})
+
+self.addEventListener('fetch', () => {
+  // Passthrough — we don't call event.respondWith(), so the browser
+  // proceeds with its normal network fetch. The handler existing at
+  // all is what Chrome's PWA install heuristic looks for.
+})