account type is permanent and password registration is now working at checkout

src/models/orders.rs

@@ -14,6 +14,9 @@ pub struct Checkout {
     pub email: String,
     pub phone: String,
     pub customer_name: Option<String>,
+    /// The account that owns this order, if any (a logged-in buyer or a guest
+    /// who created an account during checkout). `None` for pure guest orders.
+    pub user_id: Option<i32>,
     pub account_type: String,
     pub company_name: Option<String>,
     pub company_id: Option<String>,
@@ -75,6 +78,7 @@ pub async fn place(ctx: &AppContext, items: &[(i32, i32)], details: Checkout) ->
         status: Set("pending".to_string()),
         total_cents: Set(subtotal + details.method.price_cents),
         currency: Set(currency),
+        user_id: Set(details.user_id),
         account_type: Set(details.account_type),
         company_name: Set(details.company_name),
         company_id: Set(details.company_id),