feat(vscode): add archive all sessions action (#1262)

* feat(vscode): add archive all sessions action

* Update packages/ui/src/components/layout/VSCodeLayout.tsx

Signed-off-by: Jake <101855602+jjdubski@users.noreply.github.com>

* fix: Fail-open default archives all sessions when workspace can't be resolved

* fix: Already-archived descendants are included in the archive call

* fix: add i18n for the newly added toasts

* Restore icon name from 'add-line' to 'add'

Signed-off-by: Jake <101855602+jjdubski@users.noreply.github.com>

* update: fix merge conflict and update code structure into components

---------

Signed-off-by: Jake <101855602+jjdubski@users.noreply.github.com>
Co-authored-by: Bohdan Triapitsyn <artmore@protonmail.com>

packages/ui/src/lib/i18n/messages/pl.ts

@@ -2448,6 +2448,11 @@ export const dict: Record<I18nKey, string> = {
   'opencodeUpdate.toast.failed.description': 'Aktualizacja OpenCode nie powiodła się.',
   'opencodeUpdate.toast.reload.message': 'Ponowne uruchamianie OpenCode...',
   'vscodeLayout.actions.backToSessionsAria': 'Powrót do sesji',
+  'vscodeLayout.actions.archiveAllAria': 'Archiwizuj wszystkie sesje',
+  'vscodeLayout.actions.archiveAllConfirm': 'Archiwizować wszystko',
+  'vscodeLayout.actions.archiveAllSuccess': 'Zarchiwizowano {count} sesji',
+  'vscodeLayout.actions.archiveAllError': 'Nie udało się zarchiwizować {count} sesji',
+  'vscodeLayout.actions.cancel': 'Anuluj',
   'vscodeLayout.actions.newSessionAria': 'Nowa sesja',
   'vscodeLayout.actions.openAgentManagerAria': 'Otwórz menedżer agentów',
   'vscodeLayout.actions.resizeSessionsSidebarAria': 'Zmień rozmiar panelu sesji',