ui: Stores architecture improvements (#26910)

* refactor: Stores barrel imports + SSR gates

* refactor: Drop agenticStore wrapper exports

* refactor: Drop chatStore wrapper exports

* refactor: Drop modelsStore wrapper exports

* refactor: Drop serverStore wrapper exports

* refactor: Drop unused mcpStore wrapper exports

* refactor: Drop mcpResourceStore wrapper exports

* refactor: Drop conversationsStore wrapper exports + move buildConversationTree to utils

* refactor: Drop settingsStore wrapper exports

* refactor: Drop unused toolsStore wrapper exports

* refactor: Fix lint errors from store wrapper removal

* fix: Missing change

* refactor: Cleanup

* refactor: Context Stats store

tools/ui/src/lib/components/app/settings/SettingsChat/SettingsChatFields.svelte

@@ -9,9 +9,7 @@
 	import { Textarea } from '$lib/components/ui/textarea';
 	import { ICON_CLASS_DEFAULT, SETTING_CONFIG_INFO, SETTINGS_KEYS } from '$lib/constants';
 	import { SettingsFieldType } from '$lib/enums/settings.enums';
-	import { modelsStore, propsCacheVersion, selectedModelName } from '$lib/stores/models.svelte';
-	import { serverStore } from '$lib/stores/server.svelte';
-	import { settingsStore } from '$lib/stores/settings.svelte';
+	import { modelsStore, serverStore, settingsStore } from '$lib/stores';
 	import { normalizeFloatingPoint } from '$lib/utils/precision';
 	import type { Component } from 'svelte';
 
@@ -25,10 +23,10 @@
 	let { fields, localConfig, onConfigChange, onThemeChange }: Props = $props();
 
 	let currentModelParams = $derived.by(() => {
-		propsCacheVersion();
+		void modelsStore.propsCacheVersion;
 
 		if (serverStore.isRouterMode) {
-			const currentModelName = selectedModelName();
+			const currentModelName = modelsStore.selectedModelName;
 
 			if (currentModelName) {
 				const currentModelProps = modelsStore.getModelProps(currentModelName);