[Bug] Usage limit prematurely enforces rate limiting at ~80% of actual limit

Question

**Bug Description**
claude usage limit runs out around 80%. it forces user to wait until reset even though usage limit has not been reached.

**Environment Info**
- Platform: darwin
- Terminal: Apple_Terminal
- Version: 2.1.31
- Feedback ID: bbfde2af-e586-4426-9e57-620524caa188

**Errors**
```json
[]
```