feat(android): back text messages up, in a build Play does not get

A Messages section sends the SMS added since the last copy, as restorable
<smses> XML, into <folder>/<account>-messages/YYYY. A play flavor has neither
READ_SMS nor the code that reads messages; full is the default.

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

1 files changed, 5 insertions, 3 deletions

diff --git a/packages/meshbay-hub/src/meshbay_hub/static/app.js b/packages/meshbay-hub/src/meshbay_hub/static/app.js
index 12b48a7..41cc5f2 100644
--- a/packages/meshbay-hub/src/meshbay_hub/static/app.js
+++ b/packages/meshbay-hub/src/meshbay_hub/static/app.js
@@ -944,9 +944,11 @@ function App() {
     return () => { gone = true; if (stop) stop(); };
   }, [syncAccount]);
 
-  // Contacts backup (§9.13), the same way.
+  // Contacts and messages backup (§9.13), the same way.
   useEffect(() => {
-    if (!syncAccount || !platform.contactSync.available) return undefined;
+    if (!syncAccount || !(platform.contactSync.available || platform.messageSync.available)) {
+      return undefined;
+    }
     let stop = null;
     let gone = false;
     import('./phone-sync.js').then((m) => {
@@ -962,7 +964,7 @@ function App() {
         },
       });
       stop = m.stopPhoneSync;
-    }).catch((e) => console.warn('[MeshBay] contacts backup did not load:', e.message));
+    }).catch((e) => console.warn('[MeshBay] contacts and messages backup did not load:', e.message));
     return () => { gone = true; if (stop) stop(); };
   }, [syncAccount]);