[BUG] Desktop (Windows): "Archive" removed from every session menu; asking the session to archive prompts for permission every time

Environment

• Claude desktop for Windows 11, package version 2.9939.2.0 (Code tab), bundled Claude Code 2.1.281
• Permission mode: auto

What happened

Until about 2026-09-25, a session could be archived from the UI: the ⋮ menu of a session in the sidebar had an Archive entry (keyboard letter A). The same action was available from the row menu of a scheduled-task (routine) run.

Since a recent update, Archive is gone from both menus.

Why this hurts

The only remaining way to archive is to type a message asking the session to archive itself (archive_session, session_id: "self"), and that call asks for permission every single time.

So archiving, a routine and reversible action (unarchive_session exists), now takes a message, a wait, and a permission approval, for every session.

Expected

1. Bring back Archive in the session ⋮ menu and in the routine run row menu (preferred), and
2. In the meantime, make sure archive_session can be pre-approved through permissions.allow.

Related

• #97446 (archive cloud sessions in bulk / programmatically), which covers a different case (cloud sessions, bulk).
• #70426, which shows that Archive used to be in this menu.