feat(android): back up WhatsApp's own chat backups, and its media if asked

A WhatsApp section takes WhatsApp's folder through the picker, sends its
encrypted Databases and Backups (not the dated copies of earlier weeks) into
<folder>/<account>-whatsapp, and names the restore set in the manifest.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

1 files changed, 22 insertions, 3 deletions

diff --git a/packages/meshbay-hub/src/meshbay_hub/static/drive-sync.js b/packages/meshbay-hub/src/meshbay_hub/static/drive-sync.js
index 5ddf188..3887e4f 100644
--- a/packages/meshbay-hub/src/meshbay_hub/static/drive-sync.js
+++ b/packages/meshbay-hub/src/meshbay_hub/static/drive-sync.js
@@ -1,4 +1,4 @@
-// Files backup: the folders the person chose through the system's picker,
+// Files and WhatsApp backups: folders chosen through the system's picker,
 // sent into `<folder>/<account>-drive/<chosen folder>/…` of the destination
 // every backup shares (sync-destination.js), once a day, on an unmetered
 // network, like photos (docs/MESHBAY_DESIGN.md §9.13).
@@ -23,7 +23,26 @@ const drive = createBackup({
   say: (code) => t('phonesync.notice', { what: t('drivesync.heading'), reason: failureText(code) }),
 });
 
-export const startDriveSync = (context) => drive.start(context);
-export const stopDriveSync = () => drive.stop();
+// WhatsApp's own folder: the same runner over its bridge, into
+// `<folder>/<account>-whatsapp/` (DriveKind.kt says what is sent).
+const whatsapp = createBackup({
+  name: 'WhatsApp',
+  sync: platform.whatsappSync,
+  configured: (status) => Boolean(status.on) && (status.folders || []).length > 0,
+  progress: 'whatsappsync.notif_progress',
+  failures: LASTING,
+  say: (code) => t('phonesync.notice', { what: t('whatsappsync.heading'), reason: failureText(code) }),
+});
+
+export function startDriveSync(context) {
+  drive.start(context);
+  whatsapp.start(context);
+}
+export function stopDriveSync() {
+  drive.stop();
+  whatsapp.stop();
+}
 export const runDriveSync = (opts) => drive.run(opts);
 export const subscribe = (fn) => drive.subscribe(fn);
+export const runWhatsAppSync = (opts) => whatsapp.run(opts);
+export const subscribeWhatsApp = (fn) => whatsapp.subscribe(fn);