[FEATURE] HAR Export / Import & Browser DevTools Integration

[kavix]

No way to export requests/responses to HAR format or import from browser DevTools. This limits debugging workflows.

Proposed Implementation

kurl https://api.example.com --export-har request.har

kurl --import-har browser-export.har --replay

Import from Chrome/Firefox DevTools

Export request history as HAR collection

Convert HAR to kurl profiles:

kurl convert-har ./export.har

Why this matters

HAR is the lingua franca of web debugging. Integration with browser DevTools is essential for frontend-backend collaboration.

Acceptance Criteria

• HAR 1.2 export format
• HAR import and replay
• Browser DevTools compatibility
• Request history HAR export
• Conversion to/from kurl profiles