- Add HF_MONITOR_API_KEY environment variable support - Add X-API-Key header to HTTP requests - Remove challenge_uuid dependency - Use heartbeat-v2 endpoint for API Key auth - Warn instead of exit when API key is missing
- Add HF_MONITOR_API_KEY environment variable support - Add X-API-Key header to HTTP requests - Remove challenge_uuid dependency - Use heartbeat-v2 endpoint for API Key auth - Warn instead of exit when API key is missing