08e83b6259
Adds draftId to ComposerState so that editing an existing draft and saving it again updates the draft rather than creating a new one. - Add draftId?: string to ComposerState type - Set draftId when restoring from draft via restore_from_draft action - Pass existingDraftId to save functions from composerState.draftId - Add PageX icon for empty drafts state Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>