Improve Activity event handling in the UI
- fixes#252 found that the Activity page showed activity inconsistent
with /api/metrics
- Change data structure for event metrics to array.
- Add Event stream connections status indicator
Fix#198
- use llama-server's `timings` info if available in response body
- send "-1" for token/sec when not able to accurately calculate
performance
- optimize streaming body search for metrics information
- use new metrics data instead of log parsing
- auto-start events connection to server, improves responsiveness
- remove unnecessary libraries and code
Oleg Shulyakov
Benson Wong
g2mt