Used only by the Hjarni note panel UI to reload, preview and save the note it shows. Assistants should not call this: read with notes-get and edit with notes-update. Actions: 'get' (id; known_lock_version answers status 'unchanged' when the note has not moved), 'search' (query: the panel's note picker, with a short preview per note; with id, only the notes that note can link to), 'browse' (place: one level of the folder tree, its folders and notes), 'preview' (id, body: renders Markdown without saving), 'save' (id, lock_version, title and/or body and/or add_tags/remove_tags; a lock_version that is no longer current saves nothing and answers status 'conflict' with the saved version and a line diff; resolve 'merge_hunks' with hunks {index: 'saved'|'draft'} applies a per-hunk choice), 'create_note' (place, title, body, add_tags), 'create_folder' (place, name), 'update_folder' (place folder:<id>; name, description, llm_instructions, negative_space), 'instructions' (place personal: brain, personal; place team:<id>: team), 'folder_options' (id: where that note can move), 'move' (id, place), 'trash' (id), 'restore' (id), 'favorite' (id, favorited), 'archive' (id, archived), 'history' (id; with seq, that version and its changes), 'revert' (id, seq, lock_version), 'verify' (id), 'keep_summary' (id, lock_version: clears summary_stale and leaves the summary as it is; a lock_version that is no longer current answers status 'stale'), 'file_description' (id, file_id, description), 'save_to_personal' (id of a team note), 'purge' (id of a trashed note: delete for good), 'folder_archive' (place folder:<id>, archived), 'folder_delete' (place), 'folder_restore' (id), 'folder_purge' (id), 'folder_parents' (place), 'folder_move' (place, to), 'folder_reorder' (place, direction up|down), 'tag' (place tag:<id>, op rename|merge|delete, name), 'share' (id, or place folder:<id>; op status|enable|disable|editing_on|editing_off), 'bulk' (ids, op move|archive|unarchive|trash, place for move), 'toggle' (id, lock_version, index, checked: ticks one task checkbox; a lock_version that is no longer current ticks nothing and answers status 'stale' with the saved version).