diff --git a/.gitignore b/.gitignore
index bb122d6924..561f7aabe6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -136,5 +136,6 @@ poetry.toml
 # IDE
 /*.code-workspace
 /.windsurf/
+/.agent/
 # emscripten
 a.out.*
diff --git a/tools/server/public/index.html.gz b/tools/server/public/index.html.gz
index 30de1ebaf8..c104b1ca05 100644
Binary files a/tools/server/public/index.html.gz and b/tools/server/public/index.html.gz differ
diff --git a/tools/server/webui/src/lib/components/app/chat/ChatSidebar/ChatSidebar.svelte b/tools/server/webui/src/lib/components/app/chat/ChatSidebar/ChatSidebar.svelte
index ac9ae8ae6c..aa0c27f6d3 100644
--- a/tools/server/webui/src/lib/components/app/chat/ChatSidebar/ChatSidebar.svelte
+++ b/tools/server/webui/src/lib/components/app/chat/ChatSidebar/ChatSidebar.svelte
@@ -118,17 +118,6 @@
 		<ChatSidebarActions {handleMobileSidebarItemClick} bind:isSearchModeActive bind:searchQuery />
 	</Sidebar.Header>
 
-	<div class="px-4 py-2">
-		<a
-			href="#/notebook"
-			class="flex items-center gap-2 rounded-md px-2 py-1.5 text-sm font-medium hover:bg-accent hover:text-accent-foreground"
-			onclick={handleMobileSidebarItemClick}
-		>
-			<span class="i-lucide-file-text h-4 w-4"></span>
-			Notebook
-		</a>
-	</div>
-
 	<Sidebar.Group class="mt-4 space-y-2 p-0 px-4">
 		{#if (filteredConversations.length > 0 && isSearchModeActive) || !isSearchModeActive}
 			<Sidebar.GroupLabel>
diff --git a/tools/server/webui/src/lib/components/app/chat/ChatSidebar/ChatSidebarActions.svelte b/tools/server/webui/src/lib/components/app/chat/ChatSidebar/ChatSidebarActions.svelte
index 30d1f9d4b7..931255c665 100644
--- a/tools/server/webui/src/lib/components/app/chat/ChatSidebar/ChatSidebarActions.svelte
+++ b/tools/server/webui/src/lib/components/app/chat/ChatSidebar/ChatSidebarActions.svelte
@@ -1,5 +1,5 @@
 <script lang="ts">
-	import { Search, SquarePen, X } from '@lucide/svelte';
+	import { NotepadText, Search, SquarePen, X } from '@lucide/svelte';
 	import { KeyboardShortcutInfo } from '$lib/components/app';
 	import { Button } from '$lib/components/ui/button';
 	import { Input } from '$lib/components/ui/input';
@@ -63,6 +63,18 @@
 			<KeyboardShortcutInfo keys={['shift', 'cmd', 'o']} />
 		</Button>
 
+		<Button
+			class="w-full justify-between hover:[&>kbd]:opacity-100"
+			href="#/notebook"
+			onclick={handleMobileSidebarItemClick}
+			variant="ghost"
+		>
+			<div class="flex items-center gap-2">
+				<NotepadText class="h-4 w-4" />
+				Notebook
+			</div>
+		</Button>
+
 		<Button
 			class="w-full justify-between hover:[&>kbd]:opacity-100"
 			onclick={() => {
diff --git a/tools/server/webui/src/lib/components/app/notebook/NotebookScreen.svelte b/tools/server/webui/src/lib/components/app/notebook/NotebookScreen.svelte
index 9fb4be8524..6c75ba670b 100644
--- a/tools/server/webui/src/lib/components/app/notebook/NotebookScreen.svelte
+++ b/tools/server/webui/src/lib/components/app/notebook/NotebookScreen.svelte
@@ -2,19 +2,22 @@
 	import { notebookStore } from '$lib/stores/notebook.svelte';
 	import Button from '$lib/components/ui/button/button.svelte';
 	import Textarea from '$lib/components/ui/textarea/textarea.svelte';
-	import { Play, Square, Settings, Info } from '@lucide/svelte';
+	import { Play, Square, Settings } from '@lucide/svelte';
 	import { config } from '$lib/stores/settings.svelte';
-	import ChatMessageStatistics from '$lib/components/app/chat/ChatMessages/ChatMessageStatistics.svelte';
 	import DialogChatSettings from '$lib/components/app/dialogs/DialogChatSettings.svelte';
-	import DialogModelInformation from '$lib/components/app/dialogs/DialogModelInformation.svelte';
-	import { modelsStore } from '$lib/stores/models.svelte';
+	import { ModelsSelector } from '$lib/components/app';
+	import { useModelChangeValidation } from '$lib/hooks/use-model-change-validation.svelte';
+	import { modelsStore, modelOptions, selectedModelId } from '$lib/stores/models.svelte';
+	import { isRouterMode } from '$lib/stores/server.svelte';
+	import * as Tooltip from '$lib/components/ui/tooltip';
 
 	let { content } = $state(notebookStore);
 	let settingsOpen = $state(false);
-	let modelInfoOpen = $state(false);
 
 	let inputContent = $state(content);
 
+	let isRouter = $derived(isRouterMode());
+
 	// Sync local input with store content
 	$effect(() => {
 		inputContent = notebookStore.content;
@@ -26,16 +29,70 @@
 	}
 
 	async function handleGenerate() {
-		await notebookStore.generate();
+		if (notebookModel == null) {
+			notebookModel = activeModelId;
+		}
+		await notebookStore.generate(notebookModel);
 	}
 
 	function handleStop() {
 		notebookStore.stop();
 	}
 
-	let currentModel = $derived(
-		modelsStore.models.find((m) => m.id === config().model) || modelsStore.models[0]
-	);
+	let activeModelId = $derived.by(() => {
+		const options = modelOptions();
+
+		if (!isRouter) {
+			return options.length > 0 ? options[0].model : null;
+		}
+
+		const selectedId = selectedModelId();
+		if (selectedId) {
+			const model = options.find((m) => m.id === selectedId);
+			if (model) return model.model;
+		}
+
+		return null;
+	});
+
+	let hasModelSelected = $derived(!isRouter || !!selectedModelId());
+
+	let isSelectedModelInCache = $derived.by(() => {
+		if (!isRouter) return true;
+
+		const currentModelId = selectedModelId();
+		if (!currentModelId) return false;
+
+		return modelOptions().some((option) => option.id === currentModelId);
+	});
+
+	let generateTooltip = $derived.by(() => {
+		if (!hasModelSelected) {
+			return 'Please select a model first';
+		}
+
+		if (!isSelectedModelInCache) {
+			return 'Selected model is not available, please select another';
+		}
+
+		if (inputContent.length == 0) {
+			return 'Input some text first';
+		}
+
+		return '';
+	});
+
+	let canGenerate = $derived(inputContent.length > 0 && hasModelSelected && isSelectedModelInCache);
+	let isDisabled = $derived(!canGenerate);
+
+	let notebookModel = $state(null);
+
+	const { handleModelChange } = useModelChangeValidation({
+		getRequiredModalities: () => ({ vision: false, audio: false }), // Notebook doesn't require modalities
+		onSuccess: async (modelName) => {
+			notebookModel = modelName;
+		}
+	});
 </script>
 
 <div class="flex h-full flex-col">
@@ -55,43 +112,55 @@
 			value={inputContent}
 			oninput={handleInput}
 			class="h-full min-h-[500px] w-full resize-none rounded-xl border-none bg-muted p-4 text-base focus-visible:ring-0 md:p-6"
-			placeholder="Enter your prompt here..."
+			placeholder="Enter your text here..."
 		/>
 	</div>
 
 	<div class="border-t border-border/40 bg-background p-4 md:px-6 md:py-4">
 		<div class="flex items-center justify-between gap-4">
 			<div class="flex items-center gap-2">
-				<Button
-					onclick={notebookStore.isGenerating ? handleStop : handleGenerate}
-					size="sm"
-					variant={notebookStore.isGenerating ? 'destructive' : 'default'}
-					class="gap-2"
-				>
-					{#if notebookStore.isGenerating}
-						<Square class="h-4 w-4 fill-current" />
-						Stop
-					{:else}
-						<Play class="h-4 w-4 fill-current" />
-						Generate
-					{/if}
-				</Button>
+				{#snippet generateButton(props = {})}
+					<Button
+						disabled={isDisabled}
+						onclick={notebookStore.isGenerating ? handleStop : handleGenerate}
+						size="sm"
+						variant={notebookStore.isGenerating ? 'destructive' : 'default'}
+						class="gap-2"
+					>
+						{#if notebookStore.isGenerating}
+							<Square class="h-4 w-4 fill-current" />
+							Stop
+						{:else}
+							<Play class="h-4 w-4 fill-current" />
+							Generate
+						{/if}
+					</Button>
+				{/snippet}
 
-				<Button variant="ghost" size="icon" onclick={() => (modelInfoOpen = true)}>
-					<Info class="h-4 w-4" />
-				</Button>
+				{#if generateTooltip}
+					<Tooltip.Root>
+						<Tooltip.Trigger>
+							{@render generateButton()}
+						</Tooltip.Trigger>
+
+						<Tooltip.Content>
+							<p>{generateTooltip}</p>
+						</Tooltip.Content>
+					</Tooltip.Root>
+				{:else}
+					{@render generateButton()}
+				{/if}
+
+				<ModelsSelector
+					currentModel={notebookModel}
+					onModelChange={handleModelChange}
+					forceForegroundText={true}
+					useGlobalSelection={true}
+					disabled={notebookStore.isGenerating}
+				/>
 			</div>
-
-			<ChatMessageStatistics
-				predictedTokens={notebookStore.predictedTokens}
-				predictedMs={notebookStore.predictedMs}
-				promptTokens={notebookStore.promptTokens}
-				promptMs={notebookStore.promptMs}
-				isLive={notebookStore.isGenerating}
-			/>
 		</div>
 	</div>
 
 	<DialogChatSettings open={settingsOpen} onOpenChange={(open) => (settingsOpen = open)} />
-	<DialogModelInformation open={modelInfoOpen} onOpenChange={(open) => (modelInfoOpen = open)} />
 </div>
diff --git a/tools/server/webui/src/lib/stores/notebook.svelte.ts b/tools/server/webui/src/lib/stores/notebook.svelte.ts
index 5179857d7d..ff542abf60 100644
--- a/tools/server/webui/src/lib/stores/notebook.svelte.ts
+++ b/tools/server/webui/src/lib/stores/notebook.svelte.ts
@@ -2,70 +2,74 @@ import { ChatService } from '$lib/services/chat';
 import { config } from '$lib/stores/settings.svelte';
 
 export class NotebookStore {
-    content = $state('');
-    isGenerating = $state(false);
-    abortController: AbortController | null = null;
+	content = $state('');
+	isGenerating = $state(false);
+	abortController: AbortController | null = null;
 
-    // Statistics
-    promptTokens = $state(0);
-    promptMs = $state(0);
-    predictedTokens = $state(0);
-    predictedMs = $state(0);
+	// Statistics
+	promptTokens = $state(0);
+	promptMs = $state(0);
+	predictedTokens = $state(0);
+	predictedMs = $state(0);
 
-    async generate(model?: string) {
-        if (this.isGenerating) return;
+	async generate(model?: string) {
+		if (this.isGenerating) return;
 
-        this.isGenerating = true;
-        this.abortController = new AbortController();
+		this.isGenerating = true;
+		this.abortController = new AbortController();
 
-        // Reset stats
-        this.promptTokens = 0;
-        this.promptMs = 0;
-        this.predictedTokens = 0;
-        this.predictedMs = 0;
+		// Reset stats
+		this.promptTokens = 0;
+		this.promptMs = 0;
+		this.predictedTokens = 0;
+		this.predictedMs = 0;
 
-        try {
-            const currentConfig = config();
-            await ChatService.sendCompletion(
-                this.content,
-                {
-                    ...currentConfig,
-                    model,
-                    stream: true,
-                    onChunk: (chunk) => {
-                        this.content += chunk;
-                    },
-                    onTimings: (timings) => {
-                        if (timings) {
-                            if (timings.prompt_n) this.promptTokens = timings.prompt_n;
-                            if (timings.prompt_ms) this.promptMs = timings.prompt_ms;
-                            if (timings.predicted_n) this.predictedTokens = timings.predicted_n;
-                            if (timings.predicted_ms) this.predictedMs = timings.predicted_ms;
-                        }
-                    },
-                    onComplete: () => {
-                        this.isGenerating = false;
-                    },
-                    onError: (error) => {
-                        console.error('Notebook generation error:', error);
-                        this.isGenerating = false;
-                    }
-                },
-                this.abortController.signal
-            );
-        } catch (error) {
-            console.error('Notebook generation failed:', error);
-            this.isGenerating = false;
-        }
-    }
+		try {
+			const currentConfig = config();
+			await ChatService.sendCompletion(
+				this.content,
+				{
+					...currentConfig,
+					model: model ?? currentConfig.model,
+					stream: true,
+					onChunk: (chunk) => {
+						this.content += chunk;
+					},
+					onTimings: (timings) => {
+						if (timings) {
+							if (timings.prompt_n) this.promptTokens = timings.prompt_n;
+							if (timings.prompt_ms) this.promptMs = timings.prompt_ms;
+							if (timings.predicted_n) this.predictedTokens = timings.predicted_n;
+							if (timings.predicted_ms) this.predictedMs = timings.predicted_ms;
+						}
+					},
+					onComplete: () => {
+						this.isGenerating = false;
+					},
+					onError: (error) => {
+						if (error instanceof Error && error.name === 'AbortError') {
+							// aborted by user
+						} else {
+							console.error('Notebook generation error:', error);
+						}
+						this.isGenerating = false;
+					}
+				},
+				this.abortController.signal
+			);
+		} catch (error) {
+			console.error('Notebook generation failed:', error);
+			this.isGenerating = false;
+		}
+	}
 
-    stop() {
-        if (this.abortController) {
-            this.abortController.abort();
-            this.abortController = null;
-        }
-        this.isGenerating = false;
-    }
+	stop() {
+		if (this.abortController) {
+			this.abortController.abort();
+			this.abortController = null;
+		}
+		this.isGenerating = false;
+	}
 }
 
 export const notebookStore = new NotebookStore();
diff --git a/tools/server/webui/src/lib/types/api.d.ts b/tools/server/webui/src/lib/types/api.d.ts
index 7e036be156..46eb72501a 100644
--- a/tools/server/webui/src/lib/types/api.d.ts
+++ b/tools/server/webui/src/lib/types/api.d.ts
@@ -23,12 +23,12 @@ export interface ApiContextSizeError {
 
 export interface ApiErrorResponse {
 	error:
-	| ApiContextSizeError
-	| {
-		code: number;
-		message: string;
-		type?: string;
-	};
+		| ApiContextSizeError
+		| {
+				code: number;
+				message: string;
+				type?: string;
+		  };
 }
 
 export interface ApiChatMessageData {