Optimize storage, GC, and upload hot paths

src/application/ports/auth_ports.rs

@@ -3,6 +3,7 @@ use crate::domain::entities::app_password::AppPassword;
 use crate::domain::entities::device_code::DeviceCode;
 use crate::domain::entities::session::Session;
 use crate::domain::entities::user::User;
+use crate::domain::repositories::user_repository::UserListEntry;
 use std::sync::Arc;
 use uuid::Uuid;
 
@@ -129,6 +130,15 @@ pub trait UserStoragePort: Send + Sync + 'static {
         include_external: bool,
     ) -> Result<Vec<User>, DomainError>;
 
+    /// Narrow user-list projection for management tables.  Keeps heavyweight
+    /// account-detail fields off the database and JSON hot path.
+    async fn list_user_summaries(
+        &self,
+        limit: i64,
+        offset: i64,
+        include_external: bool,
+    ) -> Result<Vec<UserListEntry>, DomainError>;
+
     /// Searches users by username or email (SQL ILIKE) with a limit.
     /// See [`list_users`] for the meaning of `include_external`.
     async fn search_users(