passwordless login + proper migrations

src/ports.rs

@@ -24,6 +24,11 @@ pub trait UserRepository: Send + Sync {
         txn: &mut SqliteConnection,
         email: String,
     ) -> DomainResult<Option<(User, String)>>;
+    async fn find_user_by_handle(
+        &self,
+        txn: &mut SqliteConnection,
+        user_handle: Vec<u8>,
+    ) -> DomainResult<Option<User>>;
     async fn has_users(&self, txn: &mut SqliteConnection) -> DomainResult<bool>;
 }