breakerbox v0.8.0

What's Changed

• feat(guard): real-time in-terminal spend counter (#83) by @Amitcoh1 in #102
• docs(readme): surface runaway protection (loop detection + live counter) by @Amitcoh1 in #103
• feat(guard): cross-subagent depth cap — max_depth anti-evasion (#84) by @Amitcoh1 in #104
• release: 0.8.0 by @Amitcoh1 in #105

Full Changelog: v0.7.0...v0.8.0