[FEATURE] Include rate limit data in the statusline JSON payload.

Preflight Checklist

• [x] I have searched existing requests and this feature hasn't been requested yet
• [x] This is a single feature request (not multiple features)

Problem Statement

Please include rate limit data in the statusline JSON payload. I dont want to hit /usage all the time in another instance.

Proposed Solution

include rate limit data in the statusline JSON payload

Alternative Solutions

/usage inconvenient

Priority

Medium - Would be very helpful

Feature Category

CLI commands and flags

Use Case Example

Im doing rate limit intensive tasks and i want to plan my time.

Additional Context

_No response_