Connect Flutter phone auth and Android platform

mobile/lib/services/database_service.dart

@@ -245,7 +245,11 @@ class DatabaseService extends GetxService {
   }
 
   /// Atomically persist a finished workout, its segments, and its sync outbox item.
-  Future<void> saveCompletedWorkout(Workout workout, String payload) async {
+  Future<void> saveCompletedWorkout(
+    Workout workout,
+    String payload, {
+    bool queueForSync = true,
+  }) async {
     await _db.transaction((txn) async {
       final saved = await txn.query(
         'workouts',
@@ -286,6 +290,8 @@ class DatabaseService extends GetxService {
         await txn.insert('workout_segments', values);
       }
 
+      if (!queueForSync) return;
+
       final queued = await txn.query(
         'sync_queue',
         columns: ['id', 'status'],
@@ -438,10 +444,13 @@ class DatabaseService extends GetxService {
   }
 
   /// Get all queued items
-  Future<List<Map<String, dynamic>>> getPendingSyncs() async {
+  Future<List<Map<String, dynamic>>> getPendingSyncs(
+      {bool includeExhausted = false}) async {
     return await _db.query(
       'sync_queue',
-      where: "status IN ('queued', 'failed') AND retry_count < 5",
+      where: includeExhausted
+          ? "status IN ('queued', 'failed')"
+          : "status IN ('queued', 'failed') AND retry_count < 5",
       orderBy: 'created_at ASC',
     );
   }