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, 25 insertions, 1 deletions

diff --git a/packages/meshbay-hub/tests/test_drive_sync.py b/packages/meshbay-hub/tests/test_drive_sync.py
index 7fc35d2..342b310 100644
--- a/packages/meshbay-hub/tests/test_drive_sync.py
+++ b/packages/meshbay-hub/tests/test_drive_sync.py
@@ -73,7 +73,19 @@ fake.transport = {
   },
 };
 const hubFetch = async () => ({ admin_id: 'u-bob', members: fake.members, invited: [] });
-win.meshbay = { driveSync: {
+fake.wa = { on: false };
+win.meshbay = { whatsappSync: {
+  status: async () => ({ ...fake.status, on: fake.wa.on, dir: 'Backups/bob-whatsapp',
+                         folders: [{ id: 'wa', name: 'WhatsApp' }] }),
+  plan: async () => ({ items: [{ token: 'w1', name: 'msgstore.db.crypt14',
+                                 dir: 'Backups/bob-whatsapp/Databases', size: 8, edited: false }],
+                       manifest: false }),
+  sent: async (token, dir, name) => { fake.log.push(['sent', token, dir, name]); return true; },
+  manifest: async () => ({ item: null }), manifestSent: async () => true,
+  completed: async () => { fake.log.push(['wa-completed']); return fake.status; },
+  failed: async (code) => { fake.log.push(['failed', code]); return true; },
+  keepAlive: async () => true,
+}, driveSync: {
   status: async () => fake.status,
   plan: async () => { fake.log.push(['plan']); return { items: fake.items, manifest: false }; },
   manifest: async () => ({ item: null }),
@@ -148,6 +160,18 @@ def test_a_lasting_refusal_names_the_files_backup(tmp_path):
     assert ["completed"] not in log
 
 
+def test_whatsapps_chats_go_into_their_own_folder_on_their_own_runner(tmp_path):
+    log = _run("""
+fake.wa.on = true;
+fake.items = [];
+m.startDriveSync(ctx);
+await m.runWhatsAppSync();
+""", tmp_path)
+    assert ["upload", "Backups/bob-whatsapp/Databases", "msgstore.db.crypt14"] in log
+    assert ["fetch", "/wasync/w1", "bytes=0-7"] in log
+    assert ["wa-completed"] in log
+
+
 def test_the_backup_has_no_way_to_remove_anything_on_the_node():
     for path in (SYNC, STATIC / "photo-sync.js"):
         src = path.read_text(encoding="utf-8")