Merge commit '6effcecd0bf3cb2209999cecfa297ed4d8523b5a' into concedo_experimental

# Conflicts:
#	.github/workflows/build-msys.yml
#	.pi/gg/SYSTEM.md
#	common/CMakeLists.txt
#	examples/speculative-simple/speculative-simple.cpp
#	ggml/src/ggml-cpu/kleidiai/kleidiai.cpp
#	ggml/src/ggml-sycl/ggml-sycl.cpp
#	ggml/src/ggml-sycl/mmvq.cpp
#	scripts/ui-assets.cmake
#	src/llama-model.cpp
#	tools/cli/cli.cpp
#	tools/imatrix/imatrix.cpp
#	tools/quantize/quantize.cpp
#	tools/server/README.md
#	tools/ui/tests/stories/a11y/ChatScreenForm.a11y.stories.svelte

tools/ui/tests/stories/a11y/ActionIcon.a11y.stories.svelte

@@ -0,0 +1,34 @@
+<script module lang="ts">
+	import { defineMeta } from '@storybook/addon-svelte-csf';
+	import { Copy } from '@lucide/svelte';
+	import ActionIcon from '$lib/components/app/actions/ActionIcon.svelte';
+	import { expect } from 'storybook/test';
+
+	const { Story } = defineMeta({
+		title: 'Components/ActionIcon/Accessibility',
+		component: ActionIcon,
+		parameters: {
+			layout: 'centered'
+		},
+		tags: ['!dev']
+	});
+</script>
+
+<Story
+	asChild
+	name="SingleTabStop"
+	play={async ({ canvas, userEvent }) => {
+		const before = await canvas.findByRole('button', { name: 'before' });
+		const target = await canvas.findByRole('button', { name: 'Copy' });
+
+		before.focus();
+		await userEvent.tab();
+
+		await expect(target).toHaveFocus();
+	}}
+>
+	<div>
+		<button type="button">before</button>
+		<ActionIcon icon={Copy} tooltip="Copy" onclick={() => {}} />
+	</div>
+</Story>

tools/ui/tests/stories/a11y/ChatMessageStatistics.a11y.stories.svelte

@@ -0,0 +1,50 @@
+<script module lang="ts">
+	import { defineMeta } from '@storybook/addon-svelte-csf';
+	import ChatMessageStatistics from '$lib/components/app/chat/ChatMessages/ChatMessageStatistics/ChatMessageStatistics.svelte';
+	import { expect } from 'storybook/test';
+
+	const { Story } = defineMeta({
+		title: 'Components/ChatMessageStatistics/Accessibility',
+		component: ChatMessageStatistics,
+		parameters: {
+			layout: 'centered'
+		},
+		tags: ['!dev']
+	});
+</script>
+
+<Story
+	name="ViewButtonsSingleTabStop"
+	args={{
+		promptTokens: 100,
+		promptMs: 500,
+		predictedTokens: 200,
+		predictedMs: 1000,
+		agenticTimings: {
+			turns: 1,
+			toolCallsCount: 1,
+			toolsMs: 500,
+			llm: { predicted_n: 200, predicted_ms: 1000, prompt_n: 100, prompt_ms: 500 }
+		},
+		hideSummary: false,
+		isLive: false
+	}}
+	play={async ({ canvas, userEvent }) => {
+		const reading = await canvas.findByRole('button', { name: 'Reading' });
+		const generation = await canvas.findByRole('button', { name: 'Generation' });
+		const tools = await canvas.findByRole('button', { name: 'Tools' });
+		const summary = await canvas.findByRole('button', { name: 'Summary' });
+
+		reading.focus();
+		await expect(reading).toHaveFocus();
+
+		await userEvent.tab();
+		await expect(generation).toHaveFocus();
+
+		await userEvent.tab();
+		await expect(tools).toHaveFocus();
+
+		await userEvent.tab();
+		await expect(summary).toHaveFocus();
+	}}
+/>

tools/ui/tests/stories/a11y/HorizontalScrollCarousel.a11y.stories.svelte

@@ -0,0 +1,69 @@
+<script module lang="ts">
+	import { defineMeta } from '@storybook/addon-svelte-csf';
+	import HorizontalScrollCarousel from '$lib/components/app/misc/HorizontalScrollCarousel.svelte';
+	import { expect, waitFor } from 'storybook/test';
+
+	const { Story } = defineMeta({
+		title: 'Components/HorizontalScrollCarousel/Accessibility',
+		component: HorizontalScrollCarousel,
+		parameters: {
+			layout: 'centered'
+		},
+		tags: ['!dev']
+	});
+</script>
+
+<Story
+	asChild
+	name="ArrowsNotInTabOrderWhenNotScrollable"
+	play={async ({ canvas, userEvent }) => {
+		const before = await canvas.findByRole('button', { name: 'before' });
+		const after = await canvas.findByRole('button', { name: 'after' });
+		const leftArrow = await canvas.findByRole('button', { name: 'Scroll left' });
+
+		await waitFor(() => {
+			expect(leftArrow).toBeDisabled();
+		});
+
+		before.focus();
+		await userEvent.tab();
+
+		await expect(after).toHaveFocus();
+	}}
+>
+	<div>
+		<button type="button">before</button>
+		<HorizontalScrollCarousel class="w-96">
+			<div class="h-12 w-12 shrink-0 bg-muted"></div>
+			<div class="h-12 w-12 shrink-0 bg-muted"></div>
+		</HorizontalScrollCarousel>
+		<button type="button">after</button>
+	</div>
+</Story>
+
+<Story
+	asChild
+	name="ArrowsInTabOrderWhenScrollable"
+	play={async ({ canvas, userEvent }) => {
+		const before = await canvas.findByRole('button', { name: 'before' });
+		const rightArrow = await canvas.findByRole('button', { name: 'Scroll right' });
+
+		await waitFor(() => {
+			expect(rightArrow).not.toBeDisabled();
+		});
+
+		before.focus();
+		await userEvent.tab();
+
+		await expect(rightArrow).toHaveFocus();
+	}}
+>
+	<div>
+		<button type="button">before</button>
+		<HorizontalScrollCarousel class="w-48">
+			{#each [...Array(20).keys()] as i (i)}
+				<div class="h-12 w-24 shrink-0 bg-muted">{i}</div>
+			{/each}
+		</HorizontalScrollCarousel>
+	</div>
+</Story>

tools/ui/tests/stories/a11y/SidebarNavigationConversationItem.a11y.stories.svelte

@@ -0,0 +1,36 @@
+<script module lang="ts">
+	import { defineMeta } from '@storybook/addon-svelte-csf';
+	import SidebarNavigationConversationItem from '$lib/components/app/navigation/SidebarNavigation/SidebarNavigationConversationItem.svelte';
+	import { expect } from 'storybook/test';
+
+	const mockForkedConversation: DatabaseConversation = {
+		id: 'conv-2',
+		name: 'Forked Conversation',
+		lastModified: Date.now(),
+		currNode: 'msg-2',
+		forkedFromConversationId: 'conv-1'
+	};
+
+	const { Story } = defineMeta({
+		title: 'Components/SidebarNavigationConversationItem/Accessibility',
+		component: SidebarNavigationConversationItem,
+		parameters: {
+			layout: 'centered'
+		},
+		tags: ['!dev']
+	});
+</script>
+
+<Story
+	name="ForkIconSingleTabStop"
+	args={{ conversation: mockForkedConversation, depth: 1 }}
+	play={async ({ canvas, userEvent }) => {
+		const row = await canvas.findByRole('button', { name: /Forked Conversation/ });
+		const forkIcon = await canvas.findByRole('link');
+
+		row.focus();
+		await userEvent.tab();
+
+		await expect(forkIcon).toHaveFocus();
+	}}
+/>