* fix: add size and duration fields to CLI bru.runRequest() response
Add `size` and `duration` fields to the response object in CLI to match
GUI behavior, ensuring consistent API for bru.runRequest() across both
environments.
- `duration` is an alias for `responseTime` for GUI compatibility
- `size` is the byte length of the response buffer (0 for errors/skipped)
Fixes#7352
* fix: address PR review feedback for CLI response consistency
- Coerce responseTime header to number (was string from headers.get())
- Add comment explaining duration vs responseTime difference between
GUI (wall-clock) and CLI (approximation using responseTime)
- Add integration tests for duration/size fields across skipped,
success, and network error response paths
* fix: add missing setupProxyAgents mock in response-fields test
The success path calls setupProxyAgents which was missing from the
proxy-util mock, causing CI failure.
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Co-authored-by: Chirag Chandrashekhar <cchirag85@gmail.com>
