Implement a feature that allows Ralph to stop execution based on a specified percentage of the user's weekly or hourly usage limit, preventing complete drainage of subscription allowances. This would be an alternative to `--max-iterations` or `--max-cost`.
### Use case I do not want ralph to completly drain my weekly/5 hour usage limits I know that there are --max-iterations and --max-cost but having a subscription i actually don't care about cost or # of interations ### Proposed solution I'd like it to run with a paramether like --until-weekly-10 meaning that he can iterate untile my Weekly usage limit reaces 10% ### Area CLI ### Backend(s) impacted claude code, codex, i do not know about others backends limits ### Alternatives considered _No response_ ### Additional context _No response_