fix: handle the just in case the user alrady exists as a different person

src/commands/link_email.rs

@@ -305,7 +305,8 @@ pub mod link {
     sqlx::query_as::<_, Wolves>(
       "
         INSERT INTO wolves (id_wolves, email)
-        VALUES (?1, ?2)
+        VALUES ($1, $2)
+        ON CONFLICT(id_wolves) DO UPDATE SET email = $2
         ",
     )
     .bind(id_wolves)