Webui/prompt processing progress (#18300)
* webui: display prompt preprocessing progress
* webui: add percentage/ETA and exclude cached tokens from progress
Address review feedback from ngxson
* webui: add minutes and first chunk (0%) case
* Update tools/server/webui/src/lib/components/app/chat/ChatMessages/ChatMessageAssistant.svelte
Co-authored-by: Aleksander Grygier <aleksander.grygier@gmail.com>
* Update tools/server/webui/src/lib/components/app/chat/ChatMessages/ChatMessageAssistant.svelte
Co-authored-by: Aleksander Grygier <aleksander.grygier@gmail.com>
* webui: address review feedback from allozaur
* chore: update webui build output
* webui: address review feedback from allozaur
* nit
* chore: update webui build output
* feat: Enhance chat processing state
* feat: Improve chat processing statistics UI
* chore: update webui build output
* feat: Add live generation statistics to processing state hook
* feat: Persist prompt processing stats in hook for better UX
* refactor: Enhance ChatMessageStatistics for live stream display
* feat: Implement enhanced live chat statistics into assistant message
* chore: update webui build output
* fix: Proper tab for each stage of prompt processing/generation
* chore: update webui build output
* fix: Improved ETA calculation & display logic
* chore: update webui build output
* feat: Simplify logic & remove ETA from prompt progress
* chore: update webui build output
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Co-authored-by: Aleksander Grygier <aleksander.grygier@gmail.com>
