fix tenant account unbind flow

server/internal/tenant/repository/queries/desktop_account.sql

@@ -253,6 +253,36 @@ RETURNING
     created_at,
     updated_at;
 
+-- name: TombstoneDesktopAccountForActor :one
+UPDATE platform_accounts
+SET deleted_at = now(),
+    delete_requested_at = COALESCE(delete_requested_at, now()),
+    sync_version = sync_version + 1,
+    updated_at = now()
+WHERE desktop_id = sqlc.arg(desktop_id)
+  AND workspace_id = sqlc.arg(workspace_id)
+  AND user_id = sqlc.arg(user_id)
+  AND deleted_at IS NULL
+RETURNING
+    desktop_id,
+    tenant_id,
+    workspace_id,
+    user_id,
+    client_id,
+    platform_id,
+    platform_uid,
+    account_fingerprint,
+    display_name,
+    avatar_url,
+    health,
+    verified_at,
+    tags,
+    sync_version,
+    deleted_at,
+    delete_requested_at,
+    created_at,
+    updated_at;
+
 -- name: MarkDesktopAccountDeleteRequested :one
 UPDATE platform_accounts
 SET delete_requested_at = now(),