- add a dedicated exec settings section in the config page
- support timeout and custom allow/deny regex patterns for exec
- validate custom exec regex patterns in the config API
- block cron command scheduling and execution when exec is disabled
- update tests and i18n strings for the new command settings
- default tools.exec.allow_remote to true when omitted in config loading
- preserve allow_remote in OpenClaw config migration and API updates
- expose allow_remote in the web config form with i18n strings
- add backend and config tests covering the new default behavior