Notater: auto-save scratchpad med debounce

- Migrering 0004: notes-tabell (nodes i kunnskapsgrafen)
- REST API: GET/PATCH notat
- PG-adapter med 500ms debounce og 10s polling
- NotesBlock: tittel + fritekst med auto-lagring og status
- Seed: notater for begge workspaces, kalenderside med 2-1 layout

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

migrations/0004_notes.sql

@@ -0,0 +1,21 @@
+-- Sidelinja: Notater/Scratchpad
+-- Avhenger av: 0001_initial_schema.sql (nodes, workspaces)
+
+BEGIN;
+
+CREATE TABLE notes (
+    id          UUID PRIMARY KEY REFERENCES nodes(id) ON DELETE CASCADE,
+    parent_id   UUID NOT NULL REFERENCES nodes(id),
+    title       TEXT NOT NULL DEFAULT '',
+    content     TEXT NOT NULL DEFAULT '',
+    created_by  TEXT REFERENCES users(authentik_id),
+    created_at  TIMESTAMPTZ NOT NULL DEFAULT now(),
+    updated_at  TIMESTAMPTZ NOT NULL DEFAULT now()
+);
+
+CREATE TRIGGER trg_notes_updated_at BEFORE UPDATE ON notes
+    FOR EACH ROW EXECUTE FUNCTION set_updated_at();
+
+COMMIT;
+
+ALTER TYPE node_type ADD VALUE IF NOT EXISTS 'note';

migrations/seed_dev.sql

@@ -66,6 +66,12 @@ INSERT INTO nodes (id, workspace_id, node_type) VALUES
 INSERT INTO calendars (id, parent_id, name, color) VALUES
     ('b0000000-0000-0000-0000-000000000030', 'b0000000-0000-0000-0000-000000000010', 'Foreningskalender', '#f59e0b');
 
+-- Notat for Liberalistene
+INSERT INTO nodes (id, workspace_id, node_type) VALUES
+    ('b0000000-0000-0000-0000-000000000040', 'b0000000-0000-0000-0000-000000000001', 'note');
+INSERT INTO notes (id, parent_id, title, content) VALUES
+    ('b0000000-0000-0000-0000-000000000040', 'b0000000-0000-0000-0000-000000000010', 'Møtenotater', '');
+
 -- Kanban-brett for Liberalistene
 INSERT INTO nodes (id, workspace_id, node_type) VALUES
     ('b0000000-0000-0000-0000-000000000020', 'b0000000-0000-0000-0000-000000000001', 'kanban_board');
@@ -95,9 +101,10 @@ UPDATE workspaces SET settings = jsonb_set(
             "slug": "kalender",
             "title": "Kalender",
             "icon": "📅",
-            "layout": "single",
+            "layout": "2-1",
             "blocks": [
-                {"id": "cal-lib-1", "type": "calendar", "title": "Foreningskalender", "props": {"calendarId": "b0000000-0000-0000-0000-000000000030"}}
+                {"id": "cal-lib-1", "type": "calendar", "title": "Foreningskalender", "props": {"calendarId": "b0000000-0000-0000-0000-000000000030"}},
+                {"id": "notes-lib-1", "type": "notes", "title": "Møtenotater", "props": {"noteId": "b0000000-0000-0000-0000-000000000040"}}
             ]
         },
         {
@@ -122,6 +129,12 @@ INSERT INTO nodes (id, workspace_id, node_type) VALUES
 INSERT INTO calendars (id, parent_id, name, color) VALUES
     ('a0000000-0000-0000-0000-000000000030', 'a0000000-0000-0000-0000-000000000010', 'Redaksjonskalender', '#3b82f6');
 
+-- Notat for Sidelinja
+INSERT INTO nodes (id, workspace_id, node_type) VALUES
+    ('a0000000-0000-0000-0000-000000000040', 'a0000000-0000-0000-0000-000000000001', 'note');
+INSERT INTO notes (id, parent_id, title, content) VALUES
+    ('a0000000-0000-0000-0000-000000000040', 'a0000000-0000-0000-0000-000000000010', 'Show notes', '');
+
 -- Kanban-brett for redaksjonen
 INSERT INTO nodes (id, workspace_id, node_type) VALUES
     ('a0000000-0000-0000-0000-000000000020', 'a0000000-0000-0000-0000-000000000001', 'kanban_board');
@@ -152,9 +165,10 @@ UPDATE workspaces SET settings = jsonb_set(
             "slug": "kalender",
             "title": "Kalender",
             "icon": "📅",
-            "layout": "single",
+            "layout": "2-1",
             "blocks": [
-                {"id": "cal-1", "type": "calendar", "title": "Redaksjonskalender", "props": {"calendarId": "a0000000-0000-0000-0000-000000000030"}}
+                {"id": "cal-1", "type": "calendar", "title": "Redaksjonskalender", "props": {"calendarId": "a0000000-0000-0000-0000-000000000030"}},
+                {"id": "notes-1", "type": "notes", "title": "Show notes", "props": {"noteId": "a0000000-0000-0000-0000-000000000040"}}
             ]
         },
         {

web/src/lib/blocks/NotesBlock.svelte

@@ -1,25 +1,164 @@
 <script lang="ts">
+	import { onMount } from 'svelte';
+	import { createNote } from '$lib/notes/create.svelte';
+	import type { NoteConnection } from '$lib/notes/types';
+
 	let { props = {} }: { props?: Record<string, unknown> } = $props();
+
+	const noteId = props.noteId as string | undefined;
+
+	let conn = $state<NoteConnection | null>(null);
+	let title = $state('');
+	let content = $state('');
+	let initialized = $state(false);
+
+	// Synk fra server ved første lasting
+	$effect(() => {
+		if (conn?.note && !initialized) {
+			title = conn.note.title;
+			content = conn.note.content;
+			initialized = true;
+		}
+	});
+
+	function handleTitleInput() {
+		conn?.save({ title });
+	}
+
+	function handleContentInput() {
+		conn?.save({ content });
+	}
+
+	let updatedAt = $derived.by(() => {
+		if (!conn?.note?.updated_at) return '';
+		const d = new Date(conn.note.updated_at);
+		return d.toLocaleString('nb-NO', {
+			day: 'numeric',
+			month: 'short',
+			hour: '2-digit',
+			minute: '2-digit'
+		});
+	});
+
+	onMount(() => {
+		if (noteId) {
+			conn = createNote(noteId);
+		}
+		return () => conn?.destroy();
+	});
 </script>
 
-<div class="placeholder">
-	<span class="icon">📝</span>
-	<p class="label">Notes</p>
-	<p class="hint">Kommer snart</p>
-</div>
+{#if !noteId}
+	<div class="no-note"><p>Ingen notat konfigurert for denne blokken.</p></div>
+{:else if conn?.loading}
+	<div class="no-note"><p>Laster...</p></div>
+{:else}
+	<div class="notes-wrapper">
+		<input
+			type="text"
+			class="note-title"
+			placeholder="Tittel..."
+			bind:value={title}
+			oninput={handleTitleInput}
+		/>
+		<textarea
+			class="note-content"
+			placeholder="Skriv her..."
+			bind:value={content}
+			oninput={handleContentInput}
+		></textarea>
+		<div class="note-footer">
+			{#if conn?.saving}
+				<span class="status saving">Lagrer...</span>
+			{:else if updatedAt}
+				<span class="status saved">Lagret {updatedAt}</span>
+			{/if}
+		</div>
+	</div>
+
+	{#if conn?.error}
+		<div class="error">{conn.error}</div>
+	{/if}
+{/if}
 
 <style>
-	.placeholder {
+	.notes-wrapper {
 		display: flex;
 		flex-direction: column;
+		height: 100%;
+		min-height: 0;
+		gap: 0.5rem;
+	}
+
+	.note-title {
+		background: transparent;
+		border: none;
+		border-bottom: 1px solid #2d3148;
+		color: #e1e4e8;
+		font-size: 1rem;
+		font-weight: 600;
+		font-family: inherit;
+		padding: 0.25rem 0;
+	}
+
+	.note-title:focus {
+		outline: none;
+		border-bottom-color: #3b82f6;
+	}
+
+	.note-title::placeholder {
+		color: #8b92a5;
+	}
+
+	.note-content {
+		flex: 1;
+		background: transparent;
+		border: none;
+		color: #e1e4e8;
+		font-size: 0.85rem;
+		font-family: inherit;
+		line-height: 1.6;
+		resize: none;
+		padding: 0;
+		min-height: 100px;
+	}
+
+	.note-content:focus {
+		outline: none;
+	}
+
+	.note-content::placeholder {
+		color: #8b92a5;
+	}
+
+	.note-footer {
+		display: flex;
+		justify-content: flex-end;
+		padding-top: 0.25rem;
+		border-top: 1px solid #2d3148;
+	}
+
+	.status {
+		font-size: 0.7rem;
+		color: #8b92a5;
+	}
+
+	.status.saving {
+		color: #f59e0b;
+	}
+
+	.no-note {
+		display: flex;
 		align-items: center;
 		justify-content: center;
 		height: 100%;
-		min-height: 200px;
 		color: #8b92a5;
-		gap: 0.5rem;
+		font-size: 0.85rem;
+	}
+
+	.error {
+		font-size: 0.75rem;
+		color: #f87171;
+		padding: 0.25rem 0;
 	}
-	.icon { font-size: 2rem; }
-	.label { font-weight: 600; color: #e1e4e8; }
-	.hint { font-size: 0.8rem; }
 </style>

web/src/lib/notes/create.svelte.ts

@@ -0,0 +1,6 @@
+import type { NoteConnection } from './types';
+import { createPgNote } from './pg.svelte';
+
+export function createNote(noteId: string): NoteConnection {
+	return createPgNote(noteId);
+}

web/src/lib/notes/index.ts

@@ -0,0 +1,2 @@
+export type { Note, NoteConnection } from './types';
+export { createNote } from './create.svelte';

web/src/lib/notes/pg.svelte.ts

@@ -0,0 +1,73 @@
+import type { Note, NoteConnection } from './types';
+
+export function createPgNote(noteId: string): NoteConnection {
+	let _note = $state<Note | null>(null);
+	let _error = $state('');
+	let _loading = $state(true);
+	let _saving = $state(false);
+	let _saveTimeout: ReturnType<typeof setTimeout> | null = null;
+	let _interval: ReturnType<typeof setInterval> | null = null;
+
+	async function fetchNote() {
+		try {
+			const res = await fetch(`/api/notes/${noteId}`);
+			if (!res.ok) {
+				_error = `Feil: ${res.status}`;
+				return;
+			}
+			const data = await res.json();
+			// Ikke overskriv lokale endringer mens bruker skriver
+			if (!_saving) {
+				_note = data;
+			}
+			_error = '';
+		} catch (e) {
+			_error = e instanceof Error ? e.message : 'Ukjent feil';
+		} finally {
+			_loading = false;
+		}
+	}
+
+	fetchNote();
+	_interval = setInterval(fetchNote, 10000); // Sjeldnere polling for notater
+
+	return {
+		get note() { return _note; },
+		get error() { return _error; },
+		get loading() { return _loading; },
+		get saving() { return _saving; },
+
+		async save(updates) {
+			_saving = true;
+
+			// Debounce: vent 500ms etter siste endring
+			if (_saveTimeout) clearTimeout(_saveTimeout);
+
+			_saveTimeout = setTimeout(async () => {
+				try {
+					const res = await fetch(`/api/notes/${noteId}`, {
+						method: 'PATCH',
+						headers: { 'Content-Type': 'application/json' },
+						body: JSON.stringify(updates)
+					});
+					if (!res.ok) {
+						_error = `Lagring feilet: ${res.status}`;
+					} else {
+						const data = await res.json();
+						_note = data;
+						_error = '';
+					}
+				} catch (e) {
+					_error = e instanceof Error ? e.message : 'Lagring feilet';
+				} finally {
+					_saving = false;
+				}
+			}, 500);
+		},
+
+		destroy() {
+			if (_interval) clearInterval(_interval);
+			if (_saveTimeout) clearTimeout(_saveTimeout);
+		}
+	};
+}

web/src/lib/notes/types.ts

@@ -0,0 +1,15 @@
+export interface Note {
+	id: string;
+	title: string;
+	content: string;
+	updated_at: string;
+}
+
+export interface NoteConnection {
+	readonly note: Note | null;
+	readonly error: string;
+	readonly loading: boolean;
+	readonly saving: boolean;
+	save(updates: { title?: string; content?: string }): Promise<void>;
+	destroy(): void;
+}

web/src/routes/api/notes/[noteId]/+server.ts

@@ -0,0 +1,42 @@
+import { json, error } from '@sveltejs/kit';
+import type { RequestHandler } from './$types';
+import { sql } from '$lib/server/db';
+
+/** GET /api/notes/:noteId — Hent notat */
+export const GET: RequestHandler = async ({ params, locals }) => {
+	if (!locals.workspace || !locals.user) error(401);
+
+	const [note] = await sql`
+		SELECT n.id, n.title, n.content, n.updated_at
+		FROM notes n
+		JOIN nodes nd ON nd.id = n.id
+		WHERE n.id = ${params.noteId} AND nd.workspace_id = ${locals.workspace.id}
+	`;
+	if (!note) error(404, 'Notat ikke funnet');
+
+	return json(note);
+};
+
+/** PATCH /api/notes/:noteId — Oppdater notat */
+export const PATCH: RequestHandler = async ({ params, request, locals }) => {
+	if (!locals.workspace || !locals.user) error(401);
+
+	const updates = await request.json();
+
+	const [note] = await sql`
+		SELECT n.id FROM notes n
+		JOIN nodes nd ON nd.id = n.id
+		WHERE n.id = ${params.noteId} AND nd.workspace_id = ${locals.workspace.id}
+	`;
+	if (!note) error(404, 'Notat ikke funnet');
+
+	const [updated] = await sql`
+		UPDATE notes SET
+			title = COALESCE(${updates.title ?? null}, title),
+			content = CASE WHEN ${updates.content !== undefined} THEN ${updates.content ?? ''} ELSE content END
+		WHERE id = ${params.noteId}
+		RETURNING id, title, content, updated_at
+	`;
+
+	return json(updated);
+};