Quick add task from the header (owner): modal, g t shortcut, auto_handle + Daisy webhook

- + button next to Dashboard (desktop and mobile sheet), lazy-loaded native <dialog>
- POST /trackers/tasks/quick inserts source 'quick-add', notes, due date, priority
- tasks.tasks.auto_handle (default false) with a Daisy badge in the tracker
- DAISY_TASK_WEBHOOK_URL/KEY/HEADER: fire-and-forget POST {task_id, title}, 3 s timeout

src/lib/components/SiteChrome.svelte

@@ -1,5 +1,5 @@
 <script lang="ts">
-	import { onMount, type Snippet } from 'svelte';
+	import { onMount, type Component, type Snippet } from 'svelte';
 	import { resolve } from '$app/paths';
 	import logo from '#lib/assets/brand/favicon-32x32.png?url';
 	import { hidesFooter, isTyping } from '#lib/chrome.js';
@@ -15,6 +15,7 @@
 	import ExternalLink from 'lucide-svelte/icons/external-link';
 	import Menu from 'lucide-svelte/icons/menu';
 	import LayoutDashboard from 'lucide-svelte/icons/layout-dashboard';
+	import Plus from 'lucide-svelte/icons/plus';
 	import SiOsu from '~icons/simple-icons/osu';
 	import SiSteam from '~icons/simple-icons/steam';
 	import SiTwitch from '~icons/simple-icons/twitch';
@@ -117,7 +118,8 @@
 		return page.url.pathname === href || (href !== '/' && page.url.pathname.startsWith(href + '/'));
 	}
 
-	// Owner shortcut: press g then d (outside text fields) to open the /start dashboard.
+	// Owner shortcuts (outside text fields): g then d opens the /start dashboard, g then t
+	// opens quick add task.
 	let gPressedAt = 0;
 	function handleShortcut(event: KeyboardEvent) {
 		if (!data.isOwner || event.defaultPrevented || event.repeat) return;
@@ -125,6 +127,10 @@
 		const key = event.key.toLowerCase();
 		if (key === 'g') {
 			gPressedAt = event.timeStamp;
+		} else if (key === 't' && gPressedAt && event.timeStamp - gPressedAt < 1500) {
+			gPressedAt = 0;
+			event.preventDefault();
+			openQuickAdd();
 		} else if (key === 'd' && gPressedAt && event.timeStamp - gPressedAt < 1500) {
 			gPressedAt = 0;
 			event.preventDefault();
@@ -135,6 +141,25 @@
 		}
 	}
 
+	// Quick add task: the modal's code is fetched on first open only.
+	let QuickAdd = $state<Component<{ onclose: () => void; ondone: (m: string) => void }> | null>(
+		null
+	);
+	let quickAddOpen = $state(false);
+	let toast = $state('');
+	let toastTimer: ReturnType<typeof setTimeout> | undefined;
+	async function openQuickAdd() {
+		if (!data.isOwner) return;
+		menuOpen = false;
+		QuickAdd ??= (await import('#lib/components/QuickAddTask.svelte')).default;
+		quickAddOpen = true;
+	}
+	function showToast(message: string) {
+		toast = message;
+		clearTimeout(toastTimer);
+		toastTimer = setTimeout(() => (toast = ''), 4000);
+	}
+
 	function handleMenuPointerEnter(event: PointerEvent, href: string) {
 		if (event.pointerType === 'touch') return;
 		openMenu = href;
@@ -285,6 +310,14 @@
 						aria-keyshortcuts="g d"
 						><LayoutDashboard size={16} aria-hidden="true" />dashboard</Button
 					>
+					<Button
+						variant="ghost"
+						size="icon"
+						onclick={openQuickAdd}
+						aria-label="Quick add task"
+						title="Quick add task (g then t)"
+						aria-keyshortcuts="g t"><Plus size={18} aria-hidden="true" /></Button
+					>
 				{/if}
 				<Button
 					variant="ghost"
@@ -326,6 +359,9 @@
 								onclick={() => (menuOpen = false)}
 								><LayoutDashboard size={16} aria-hidden="true" />dashboard</Button
 							>
+							<Button variant="outline" class="mb-2 justify-start gap-2" onclick={openQuickAdd}
+								><Plus size={16} aria-hidden="true" />quick add task</Button
+							>
 						{/if}
 						{#each navigation as item (item.href)}
 							<Button
@@ -436,6 +472,18 @@
 	{/if}
 </div>
 
+{#if QuickAdd && quickAddOpen}
+	<QuickAdd onclose={() => (quickAddOpen = false)} ondone={showToast} />
+{/if}
+{#if toast}
+	<div
+		role="status"
+		class="fixed bottom-4 left-1/2 z-[60] -translate-x-1/2 rounded-md border border-border bg-popover px-4 py-2 text-sm text-popover-foreground shadow-lg"
+	>
+		{toast}
+	</div>
+{/if}
+
 <style>
 	@media (min-width: 1100px) and (min-height: 700px) {
 		.cod-footer {