diff --git a/frontend/src/lib/api.ts b/frontend/src/lib/api.ts
index 9ffb80f..6c2488c 100644
--- a/frontend/src/lib/api.ts
+++ b/frontend/src/lib/api.ts
@@ -1193,6 +1193,27 @@ export function leaveCommunication(
 	});
 }
 
+// =============================================================================
+// AI-prosessering
+// =============================================================================
+
+export interface AiProcessRequest {
+	source_node_id: string;
+	ai_preset_id: string;
+	direction: 'node_to_tool' | 'tool_to_node';
+}
+
+export interface AiProcessResponse {
+	job_id: string;
+}
+
+export function aiProcess(
+	accessToken: string,
+	data: AiProcessRequest
+): Promise<AiProcessResponse> {
+	return post(accessToken, '/intentions/ai_process', data);
+}
+
 /** Hent ressursforbruk for en spesifikk node (kun eier). */
 export async function fetchNodeUsage(
 	accessToken: string,
diff --git a/frontend/src/lib/components/AiToolPanel.svelte b/frontend/src/lib/components/AiToolPanel.svelte
new file mode 100644
index 0000000..1ba8218
--- /dev/null
+++ b/frontend/src/lib/components/AiToolPanel.svelte
@@ -0,0 +1,312 @@
+<script lang="ts">
+	/**
+	 * AI-verktøy panel for arbeidsflaten.
+	 *
+	 * Viser standardprompter (ai_preset-noder), fritekst-felt for egendefinert
+	 * prompt, modell-indikator (readonly), og mottar tekstnoder via drag-and-drop.
+	 *
+	 * Retning bestemmes av interaksjon:
+	 * - Dra en node HIT → node_to_tool (ny node med AI-output)
+	 * - Dra verktøyet PÅ en node → tool_to_node (in-place revisjon)
+	 * For nå støtter panelet kun node_to_tool (drop-mottak).
+	 */
+	import type { Node } from '$lib/spacetime';
+	import { nodeStore } from '$lib/spacetime';
+	import { aiProcess } from '$lib/api';
+
+	interface Props {
+		accessToken?: string;
+		userId?: string;
+	}
+
+	let { accessToken, userId }: Props = $props();
+
+	// --- State ---
+	let selectedPresetId = $state<string | null>(null);
+	let customPrompt = $state('');
+	let dragOver = $state(false);
+	let processing = $state(false);
+	let lastResult = $state<{ success: boolean; message: string } | null>(null);
+	let droppedNodeId = $state<string | null>(null);
+
+	// --- Derived: AI-preset noder fra STDB ---
+	const presets = $derived.by(() => {
+		const all = nodeStore.byKind('ai_preset');
+		// Sorter: standard først, deretter custom, alfabetisk innenfor
+		return all.sort((a, b) => {
+			const metaA = parseMetadata(a);
+			const metaB = parseMetadata(b);
+			const catA = metaA.category === 'standard' ? 0 : 1;
+			const catB = metaB.category === 'standard' ? 0 : 1;
+			if (catA !== catB) return catA - catB;
+			return (a.title ?? '').localeCompare(b.title ?? '', 'nb');
+		});
+	});
+
+	const selectedPreset = $derived(
+		selectedPresetId ? nodeStore.get(selectedPresetId) : null
+	);
+
+	const selectedMeta = $derived(selectedPreset ? parseMetadata(selectedPreset) : null);
+
+	const modelLabel = $derived.by(() => {
+		if (!selectedMeta) return '';
+		switch (selectedMeta.model_profile) {
+			case 'flash': return 'Rask (flash)';
+			case 'standard': return 'Standard';
+			default: return selectedMeta.model_profile ?? '';
+		}
+	});
+
+	const defaultDirection = $derived(
+		(selectedMeta?.default_direction as string) ?? 'node_to_tool'
+	);
+
+	const droppedNode = $derived(droppedNodeId ? nodeStore.get(droppedNodeId) : null);
+
+	// --- Helpers ---
+	function parseMetadata(node: Node): Record<string, unknown> {
+		try {
+			return JSON.parse(node.metadata ?? '{}');
+		} catch {
+			return {};
+		}
+	}
+
+	function presetIcon(meta: Record<string, unknown>): string {
+		const icon = meta.icon as string;
+		// Map heroicon names to unicode/emoji approximations
+		const iconMap: Record<string, string> = {
+			sparkles: '✨',
+			check_badge: '✅',
+			document_text: '📄',
+			language: '🌐',
+			pencil_square: '✏️',
+			list_bullet: '📋',
+			arrow_path: '🔄',
+			chat_bubble_left_right: '💬'
+		};
+		return iconMap[icon] ?? '🤖';
+	}
+
+	// --- Drag-and-drop ---
+	function handleDragOver(e: DragEvent) {
+		e.preventDefault();
+		if (e.dataTransfer) {
+			e.dataTransfer.dropEffect = 'copy';
+		}
+		dragOver = true;
+	}
+
+	function handleDragLeave(e: DragEvent) {
+		// Only leave if actually leaving the drop zone
+		const rect = (e.currentTarget as HTMLElement).getBoundingClientRect();
+		const x = e.clientX;
+		const y = e.clientY;
+		if (x < rect.left || x > rect.right || y < rect.top || y > rect.bottom) {
+			dragOver = false;
+		}
+	}
+
+	function handleDrop(e: DragEvent) {
+		e.preventDefault();
+		dragOver = false;
+
+		const nodeId = e.dataTransfer?.getData('text/plain');
+		if (!nodeId) return;
+
+		const node = nodeStore.get(nodeId);
+		if (!node) return;
+
+		// Sjekk kompatibilitet: kun tekstnoder
+		if (node.nodeKind !== 'content' && node.nodeKind !== 'communication') {
+			lastResult = {
+				success: false,
+				message: `AI-verktøyet behandler kun tekst. "${node.title ?? 'Noden'}" er av type ${node.nodeKind}.`
+			};
+			return;
+		}
+
+		if (!node.content?.trim()) {
+			lastResult = {
+				success: false,
+				message: 'Noden har ikke noe tekstinnhold å prosessere.'
+			};
+			return;
+		}
+
+		droppedNodeId = nodeId;
+		lastResult = null;
+	}
+
+	// --- Prosessering ---
+	async function processNode() {
+		if (!accessToken || !selectedPresetId || !droppedNodeId) return;
+
+		const direction = defaultDirection === 'both' ? 'node_to_tool' : defaultDirection;
+		if (direction !== 'node_to_tool' && direction !== 'tool_to_node') return;
+
+		processing = true;
+		lastResult = null;
+
+		try {
+			const res = await aiProcess(accessToken, {
+				source_node_id: droppedNodeId,
+				ai_preset_id: selectedPresetId,
+				direction
+			});
+			lastResult = {
+				success: true,
+				message: `Jobb opprettet (${res.job_id.slice(0, 8)}…). Resultatet dukker opp i sanntid.`
+			};
+			droppedNodeId = null;
+		} catch (err) {
+			lastResult = {
+				success: false,
+				message: `Feil: ${err instanceof Error ? err.message : String(err)}`
+			};
+		} finally {
+			processing = false;
+		}
+	}
+
+	function clearDropped() {
+		droppedNodeId = null;
+		lastResult = null;
+	}
+</script>
+
+<section class="rounded-lg border border-gray-200 bg-white shadow-sm" data-component="ai-tool-panel">
+	<div class="flex items-center gap-2 border-b border-gray-100 px-4 py-3">
+		<span class="text-lg" aria-hidden="true">🤖</span>
+		<h3 class="text-sm font-semibold text-gray-700">AI-verktøy</h3>
+		{#if modelLabel}
+			<span class="ml-auto rounded-full bg-purple-50 px-2 py-0.5 text-xs text-purple-600">
+				{modelLabel}
+			</span>
+		{/if}
+	</div>
+
+	<div class="p-4 space-y-4">
+		<!-- Prompt-velger -->
+		<div>
+			<label for="ai-preset-select" class="block text-xs font-medium text-gray-500 mb-1">
+				Velg verktøy
+			</label>
+			{#if presets.length === 0}
+				<p class="text-xs text-gray-400">Ingen AI-presets tilgjengelig.</p>
+			{:else}
+				<div class="grid grid-cols-2 gap-1.5 sm:grid-cols-4">
+					{#each presets as preset (preset.id)}
+						{@const meta = parseMetadata(preset)}
+						<button
+							onclick={() => { selectedPresetId = preset.id; }}
+							class="flex items-center gap-1.5 rounded-lg border px-2.5 py-2 text-left text-xs transition-colors
+								{selectedPresetId === preset.id
+									? 'border-purple-400 bg-purple-50 text-purple-800 shadow-sm'
+									: 'border-gray-200 text-gray-600 hover:border-gray-300 hover:bg-gray-50'}"
+							style={selectedPresetId === preset.id ? `border-color: ${meta.color}` : ''}
+						>
+							<span class="text-sm shrink-0">{presetIcon(meta)}</span>
+							<span class="truncate">{preset.title}</span>
+						</button>
+					{/each}
+				</div>
+			{/if}
+		</div>
+
+		<!-- Valgt preset-detaljer -->
+		{#if selectedPreset && selectedMeta}
+			<div class="rounded-lg bg-gray-50 p-3 text-xs text-gray-600">
+				<p class="font-medium text-gray-700 mb-1">{selectedPreset.title}</p>
+				<p class="line-clamp-2">{selectedMeta.prompt}</p>
+				<div class="mt-2 flex items-center gap-3 text-gray-400">
+					<span>Modell: {modelLabel}</span>
+					<span>Retning: {
+						defaultDirection === 'node_to_tool' ? 'Ny node'
+						: defaultDirection === 'tool_to_node' ? 'In-place'
+						: 'Begge'
+					}</span>
+				</div>
+			</div>
+		{/if}
+
+		<!-- Fritekst-felt for egendefinert prompt -->
+		<div>
+			<label for="custom-prompt" class="block text-xs font-medium text-gray-500 mb-1">
+				Egendefinert instruksjon (valgfritt)
+			</label>
+			<textarea
+				id="custom-prompt"
+				bind:value={customPrompt}
+				placeholder="Legg til spesifikke instruksjoner..."
+				rows="2"
+				class="w-full rounded-lg border border-gray-200 px-3 py-2 text-sm text-gray-700 placeholder:text-gray-300 focus:border-purple-400 focus:outline-none focus:ring-1 focus:ring-purple-200 resize-none"
+			></textarea>
+			<p class="mt-0.5 text-xs text-gray-400">
+				Kommer i tillegg til valgt preset (funksjon under utvikling).
+			</p>
+		</div>
+
+		<!-- Drop-sone -->
+		<div
+			role="region"
+			aria-label="Slipp tekstnode her"
+			ondragover={handleDragOver}
+			ondragleave={handleDragLeave}
+			ondrop={handleDrop}
+			class="rounded-lg border-2 border-dashed p-6 text-center transition-colors
+				{dragOver
+					? 'border-purple-400 bg-purple-50'
+					: droppedNode
+						? 'border-green-300 bg-green-50'
+						: 'border-gray-200 bg-gray-50'}"
+		>
+			{#if droppedNode}
+				<!-- Viser droppet node -->
+				<div class="space-y-2">
+					<p class="text-sm font-medium text-gray-700">
+						{droppedNode.title || 'Uten tittel'}
+					</p>
+					<p class="text-xs text-gray-500 line-clamp-2">
+						{droppedNode.content?.slice(0, 120)}{(droppedNode.content?.length ?? 0) > 120 ? '…' : ''}
+					</p>
+					<div class="flex items-center justify-center gap-2 pt-1">
+						<button
+							onclick={processNode}
+							disabled={!selectedPresetId || processing}
+							class="rounded-lg px-4 py-1.5 text-xs font-medium text-white transition-colors
+								{!selectedPresetId || processing
+									? 'bg-gray-300 cursor-not-allowed'
+									: 'bg-purple-600 hover:bg-purple-700'}"
+						>
+							{#if processing}
+								Prosesserer…
+							{:else}
+								Kjør {selectedPreset?.title ?? 'AI'}
+							{/if}
+						</button>
+						<button
+							onclick={clearDropped}
+							class="rounded-lg border border-gray-200 px-3 py-1.5 text-xs text-gray-500 hover:bg-gray-100"
+						>
+							Fjern
+						</button>
+					</div>
+				</div>
+			{:else if dragOver}
+				<p class="text-sm text-purple-600 font-medium">Slipp her for AI-prosessering</p>
+			{:else}
+				<p class="text-sm text-gray-400">Dra en tekstnode hit</p>
+				<p class="text-xs text-gray-300 mt-1">Støtter innholds- og kommunikasjonsnoder</p>
+			{/if}
+		</div>
+
+		<!-- Resultat/feil-melding -->
+		{#if lastResult}
+			<div class="rounded-lg p-3 text-xs {lastResult.success ? 'bg-green-50 text-green-700' : 'bg-red-50 text-red-700'}">
+				{lastResult.message}
+			</div>
+		{/if}
+	</div>
+</section>
diff --git a/frontend/src/lib/components/traits/EditorTrait.svelte b/frontend/src/lib/components/traits/EditorTrait.svelte
index 479f189..6153940 100644
--- a/frontend/src/lib/components/traits/EditorTrait.svelte
+++ b/frontend/src/lib/components/traits/EditorTrait.svelte
@@ -123,7 +123,16 @@
 		{:else}
 			<ul class="space-y-2">
 				{#each contentItems as item (item.node.id)}
-					<li class="group rounded border border-gray-100 px-3 py-2">
+					<li
+						class="group rounded border border-gray-100 px-3 py-2 cursor-grab active:cursor-grabbing"
+						draggable="true"
+						ondragstart={(e) => {
+							if (e.dataTransfer) {
+								e.dataTransfer.effectAllowed = 'copy';
+								e.dataTransfer.setData('text/plain', item.node.id);
+							}
+						}}
+					>
 						<div class="flex items-start justify-between gap-2">
 							<div class="min-w-0 flex-1">
 								<h4 class="text-sm font-medium text-gray-900">{item.node.title || 'Uten tittel'}</h4>
diff --git a/frontend/src/routes/collection/[id]/+page.svelte b/frontend/src/routes/collection/[id]/+page.svelte
index 645baac..f7bf23d 100644
--- a/frontend/src/routes/collection/[id]/+page.svelte
+++ b/frontend/src/routes/collection/[id]/+page.svelte
@@ -18,6 +18,7 @@
 	import GenericTrait from '$lib/components/traits/GenericTrait.svelte';
 	import TraitAdmin from '$lib/components/traits/TraitAdmin.svelte';
 	import NodeUsage from '$lib/components/NodeUsage.svelte';
+	import AiToolPanel from '$lib/components/AiToolPanel.svelte';
 
 	const session = $derived($page.data.session as Record<string, unknown> | undefined);
 	const nodeId = $derived(session?.nodeId as string | undefined);
@@ -181,6 +182,13 @@
 			</div>
 		{/if}
 
+		<!-- AI-verktøy panel -->
+		{#if connected && accessToken}
+			<div class="mt-6">
+				<AiToolPanel {accessToken} userId={nodeId} />
+			</div>
+		{/if}
+
 		<!-- Ressursforbruk for denne noden (oppgave 15.9) -->
 		{#if accessToken && collectionId}
 			<div class="mt-6">
diff --git a/tasks.md b/tasks.md
index 4dfbe37..6133821 100644
--- a/tasks.md
+++ b/tasks.md
@@ -204,8 +204,7 @@ Ref: `docs/features/ai_verktoy.md`, `docs/retninger/arbeidsflaten.md`
 - [x] 18.1 AI-preset node-type: `node_kind: 'ai_preset'` med metadata (prompt, model_profile, category, icon, color). Maskinrommet validerer ved opprettelse. Seed standardprompter (rens tekst, korrektør, oppsummering, oversett, skriv om, trekk ut fakta, forenkle, endre tone).
 - [x] 18.2 AI-prosessering endepunkt: `POST /intentions/ai_process` med source_node_id, ai_preset_id, direction (node_to_tool / tool_to_node). Maskinrommet henter kilde-content og preset-prompt, mapper modellprofil → LiteLLM-alias, sender til AI Gateway. Logg forbruk i ai_usage_log.
 - [x] 18.3 Direction-logikk: `tool_to_node` → lagre original som revisjon, oppdater node content. `node_to_tool` → opprett ny node med AI-output, opprett `derived_from`-edge til kilde + `processed_by`-edge til AI-preset.
-- [~] 18.4 AI-verktøy panel (frontend): Svelte-komponent for arbeidsflaten. Prompt-velger med standardprompter, fritekst-felt for egendefinert prompt, modell-indikator (readonly). Drag-and-drop mottak for tekstnoder.
-  > Påbegynt: 2026-03-18T06:42
+- [x] 18.4 AI-verktøy panel (frontend): Svelte-komponent for arbeidsflaten. Prompt-velger med standardprompter, fritekst-felt for egendefinert prompt, modell-indikator (readonly). Drag-and-drop mottak for tekstnoder.
 - [ ] 18.5 Drag-and-drop integrasjon: node → verktøy (ny node), verktøy → node (in-place revisjon). Drop-sone feedback med verktøyets farge. Inkompatibilitet for lyd/bilde-noder med forklaring.
 - [ ] 18.6 Egendefinerte presets: brukere kan opprette egne AI-preset-noder med custom prompt. Dele via edges til samling/team. Modellprofil satt av admin.