From a0793dd37030f7213ecb07a018b11e6a8adf9238 Mon Sep 17 00:00:00 2001
From: Christophe Besson <cbesson@gmail.com>
Date: Sat, 10 Oct 2026 12:56:26 +0200
Subject: feat(android): back the phone's contacts up to a group of one's own

A Contacts backup section on the Android Sync page sends a dated .vcf into
<folder>/<account>-contacts once a day when the address book changed, only
to a group the account is alone in, checked again at every run.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
---
 packages/meshbay-hub/src/meshbay_hub/static/app.js | 31 +++++++++++++++++++---
 1 file changed, 27 insertions(+), 4 deletions(-)

(limited to 'packages/meshbay-hub/src/meshbay_hub/static/app.js')

diff --git a/packages/meshbay-hub/src/meshbay_hub/static/app.js b/packages/meshbay-hub/src/meshbay_hub/static/app.js
index 973729e..72c52ac 100644
--- a/packages/meshbay-hub/src/meshbay_hub/static/app.js
+++ b/packages/meshbay-hub/src/meshbay_hub/static/app.js
@@ -463,7 +463,7 @@ function Sidebar({ groups, presence, indexProgressPct, route, menuOpen, role, sh
              href="#/create-group"><${Icon} name="plus" /> ${t('sidebar.create_group')}</a>
         </div>
       `}
-      ${platform.photoSync.available && html`
+      ${PHONE_SYNC && html`
         <div class="sidebar-section">
           <div class="sidebar-heading">${t('sidebar.phone')}</div>
           <a class="sidebar-item ${route === '/android-sync' ? 'active' : ''}"
@@ -715,8 +715,9 @@ const SearchPage = lazy(() => import('./search-page.js'), 'SearchPage',
 
 // ── Lazy-loaded Android Sync page ────────────────────────────────────────────
 //
-// The Android application's photo backup (docs/MESHBAY_DESIGN.md §9.12): no
-// browser or desktop ever fetches it.
+// The Android application's backups of its photos, contacts and messages
+// (docs/MESHBAY_DESIGN.md §9.12, §9.13): no browser or desktop ever fetches it.
+const PHONE_SYNC = platform.photoSync.available || platform.contactSync.available;
 const AndroidSyncPage = lazy(() => import('./android-sync-page.js'), 'AndroidSyncPage',
   html`<div class="page-content"><p class="page-message"><span class="spinner"></span></p></div>`);
 
@@ -942,6 +943,28 @@ function App() {
     return () => { gone = true; if (stop) stop(); };
   }, [syncAccount]);
 
+  // Contacts backup (§9.13), the same way.
+  useEffect(() => {
+    if (!syncAccount || !platform.contactSync.available) return undefined;
+    let stop = null;
+    let gone = false;
+    import('./phone-sync.js').then((m) => {
+      if (gone) return;
+      m.startPhoneSync({
+        hub: HUB,
+        hubFetch,
+        getUser: () => userRef.current,
+        getBundleKey: async () => {
+          const key = session.bundleKey || await _loadBundleKey();
+          if (key) session.bundleKey = key;
+          return key;
+        },
+      });
+      stop = m.stopPhoneSync;
+    }).catch((e) => console.warn('[MeshBay] contacts backup did not load:', e.message));
+    return () => { gone = true; if (stop) stop(); };
+  }, [syncAccount]);
+
   // Saving the queue is a shell-level action because the queue is: the player
   // bar outlives every page, and the account it belongs to is here.
   const [saveQueue, setSaveQueue] = useState(null);
@@ -1441,7 +1464,7 @@ function App() {
           allowPublicGroups=${allowPublicGroups}
           token=${user.token} onGroupsChanged=${reloadGroups}
           onMarkRead=${markRead} onPurge=${purgeNotifications} />`;
-  } else if (route === '/android-sync' && platform.photoSync.available) {
+  } else if (route === '/android-sync' && PHONE_SYNC) {
     page = html`<${AndroidSyncPage} user=${user} groups=${groups} />`;
   } else if (route === '/settings') {
     page = html`<${SettingsPage} user=${user} theme=${theme}
-- 
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