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>

1 files changed, 13 insertions, 0 deletions

diff --git a/packages/meshbay-android/app/src/main/assets/bridge/meshbay-bridge.js b/packages/meshbay-android/app/src/main/assets/bridge/meshbay-bridge.js
index edfdb11..8aba36d 100644
--- a/packages/meshbay-android/app/src/main/assets/bridge/meshbay-bridge.js
+++ b/packages/meshbay-android/app/src/main/assets/bridge/meshbay-bridge.js
@@ -213,6 +213,19 @@
       keepAlive: (on, text) => call('photosync:keep-alive', on === true, text || ''),
     },
 
+    // Contacts backup (§9.13): the phone writes the address book into one
+    // file, served at /phonesync/<token> on this origin, when it changed since
+    // the last one sent. The page decides when and does the sending.
+    contactSync: {
+      status: () => call('contactsync:status'),
+      permit: () => call('contactsync:permit'),
+      configure: (settings) => call('contactsync:configure', settings || null),
+      plan: () => call('contactsync:plan'),
+      sent: (token, dir, name) => call('contactsync:sent', token, dir, name),
+      completed: () => call('contactsync:completed'),
+      failed: (code, text) => call('contactsync:failed', code, text),
+    },
+
     // Where downloads go, chosen once. A display name comes back, never a URI.
     folder: {
       choose: () => call('folder:choose'),