Add stop generating functionality (#2100)

* functional types + sidebar

* remove commits

* remove logs

* functional rework of temporary user/assistant ID

* robustify switching

* remove logs

* typing

* robustify frontend handling

* cleaner loop + data persistence

* migrate to streaming response

* formatting

* add new loading state to prevent collisions

* add `ChatState` for more robust handling

* remove logs

* robustify typing

* unnecessary list removed

* robustify

* remove log

* remove false comment

* slightly more robust chat state

* update utility + copy

* improve clarity + new SSE handling utility function

* remove comments

* clearer

* add back stack trace detail

* cleaner messages

* clean final message handling

* tiny formatting (remove newline)

* add synchronous wrapper to avoid hampering main event loop

* update typing

* include logs

* slightly more specific logs

* add `critical` error just in case

web/tailwind-themes/tailwind.config.js

@@ -90,6 +90,7 @@ module.exports = {
         "background-200": "#e5e5e5", // neutral-200
         "background-300": "#d4d4d4", // neutral-300
         "background-400": "#a3a3a3", // neutral-400
+        "background-600": "#525252", // neutral-800
         "background-500": "#737373", // neutral-400
         "background-600": "#525252", // neutral-400
         "background-700": "#404040", // neutral-400