chore: bump version to 0.18.0

Move Profile page to /settings/profile and add a 302 redirect from
/settings to /settings/preferences so the first settings tab is
Preferences, not Profile.

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

.github/workflows/ci.yml

@@ -46,7 +46,18 @@ jobs:
           cache: pnpm
 
       - run: pnpm install --frozen-lockfile
-      - run: pnpm test:unit
+      - run: pnpm test:unit:coverage
+
+      - name: Coverage summary
+        if: always()
+        run: bash scripts/coverage-summary.sh "Unit Test Coverage" coverage/unit/coverage-summary.json
+
+      - uses: actions/upload-artifact@v4
+        if: always()
+        with:
+          name: unit-coverage
+          path: coverage/unit/
+          retention-days: 14
 
   e2e-tests:
     name: E2E Tests
@@ -80,9 +91,25 @@ jobs:
         if: steps.playwright-cache.outputs.cache-hit == 'true'
         run: npx playwright install-deps chromium
 
+      - name: Build (with coverage instrumentation)
+        run: pnpm build
+        env:
+          DATABASE_URL: ./data/test-crumbs.db
+          NODE_ENV: test
+          VITE_COVERAGE: 'true'
+
       - run: pnpm test:e2e
         env:
           CI: true
+          VITE_COVERAGE: 'true'
+
+      - name: Merge E2E coverage
+        if: always()
+        run: npx nyc report
+
+      - name: Coverage summary
+        if: always()
+        run: bash scripts/coverage-summary.sh "E2E Test Coverage" coverage/e2e/coverage-summary.json
 
       - uses: actions/upload-artifact@v4
         if: always()
@@ -91,7 +118,14 @@ jobs:
           path: |
             playwright-report/
             test-results/
-          retention-days: 30
+          retention-days: 7
+
+      - uses: actions/upload-artifact@v4
+        if: always()
+        with:
+          name: e2e-coverage
+          path: coverage/e2e/
+          retention-days: 14
 
   docker-build:
     name: Docker Build

.gitignore

@@ -32,6 +32,10 @@ vite.config.ts.timestamp-*
 /test-results
 /playwright-report
 
+# Coverage
+/coverage
+.nyc_output
+
 # Claude Code
 /.claude/
 

.nycrc.json

@@ -0,0 +1,7 @@
+{
+	"report-dir": "coverage/e2e",
+	"temp-dir": "coverage/e2e/raw",
+	"reporter": ["text", "html", "lcov", "json-summary"],
+	"include": ["src/**"],
+	"exclude": ["node_modules", "tests"]
+}

Makefile

@@ -1,4 +1,5 @@
-.PHONY: help dev build preview check test test-unit test-e2e lint \
+.PHONY: help dev build preview check test test-unit test-e2e \
+	test-unit-coverage test-e2e-coverage lint \
 	db-push db-generate db-migrate db-studio docs-api \
 	install docker-build docker-up docker-down docker-logs clean \
 	release release-patch release-minor release-major
@@ -27,6 +28,12 @@ test-unit: ## Run unit tests only
 test-e2e: ## Run e2e tests only
 	pnpm test:e2e
 
+test-unit-coverage: ## Run unit tests with coverage
+	pnpm test:unit:coverage
+
+test-e2e-coverage: ## Run e2e tests with coverage
+	VITE_COVERAGE=true pnpm build && pnpm test:e2e && npx nyc report
+
 lint: ## Run linter
 	pnpm lint
 

docker-compose.yml

@@ -1,6 +1,6 @@
 services:
   crumbs:
-    image: ghcr.io/bretzel-app/crumbs:0.15.0
+    image: ghcr.io/bretzel-app/crumbs:0.17.0
     container_name: crumbs
     ports:
       - "3000:3000"

drizzle/0002_deep_black_widow.sql

@@ -0,0 +1,114 @@
+CREATE TABLE `api_keys` (
+	`id` text PRIMARY KEY NOT NULL,
+	`user_id` integer NOT NULL,
+	`name` text NOT NULL,
+	`key_hash` text NOT NULL,
+	`key_prefix` text NOT NULL,
+	`created_at` integer NOT NULL,
+	`last_used_at` integer,
+	FOREIGN KEY (`user_id`) REFERENCES `users`(`id`) ON UPDATE no action ON DELETE no action
+);
+--> statement-breakpoint
+CREATE TABLE `note_collaborators` (
+	`note_id` text NOT NULL,
+	`user_id` integer NOT NULL,
+	`added_by` integer NOT NULL,
+	`added_at` integer NOT NULL,
+	FOREIGN KEY (`note_id`) REFERENCES `notes`(`id`) ON UPDATE no action ON DELETE cascade,
+	FOREIGN KEY (`user_id`) REFERENCES `users`(`id`) ON UPDATE no action ON DELETE no action,
+	FOREIGN KEY (`added_by`) REFERENCES `users`(`id`) ON UPDATE no action ON DELETE no action
+);
+--> statement-breakpoint
+CREATE UNIQUE INDEX `note_collaborators_unique` ON `note_collaborators` (`note_id`,`user_id`);--> statement-breakpoint
+CREATE INDEX `note_collaborators_user_id_idx` ON `note_collaborators` (`user_id`);--> statement-breakpoint
+CREATE TABLE `note_user_state` (
+	`note_id` text NOT NULL,
+	`user_id` integer NOT NULL,
+	`pinned` integer DEFAULT false NOT NULL,
+	`archived` integer DEFAULT false NOT NULL,
+	`sort_order` integer DEFAULT 0 NOT NULL,
+	FOREIGN KEY (`note_id`) REFERENCES `notes`(`id`) ON UPDATE no action ON DELETE cascade,
+	FOREIGN KEY (`user_id`) REFERENCES `users`(`id`) ON UPDATE no action ON DELETE no action
+);
+--> statement-breakpoint
+CREATE UNIQUE INDEX `note_user_state_unique` ON `note_user_state` (`note_id`,`user_id`);--> statement-breakpoint
+CREATE TABLE `user_preferences` (
+	`id` integer PRIMARY KEY AUTOINCREMENT NOT NULL,
+	`user_id` integer NOT NULL,
+	`key` text NOT NULL,
+	`value` text NOT NULL,
+	`updated_at` integer NOT NULL,
+	FOREIGN KEY (`user_id`) REFERENCES `users`(`id`) ON UPDATE no action ON DELETE no action
+);
+--> statement-breakpoint
+CREATE UNIQUE INDEX `user_preferences_user_key_unique` ON `user_preferences` (`user_id`,`key`);--> statement-breakpoint
+PRAGMA foreign_keys=OFF;--> statement-breakpoint
+CREATE TABLE `__new_attachments` (
+	`id` text PRIMARY KEY NOT NULL,
+	`user_id` integer DEFAULT 0 NOT NULL,
+	`note_id` text NOT NULL,
+	`filename` text NOT NULL,
+	`mime_type` text NOT NULL,
+	`size` integer NOT NULL,
+	`path` text NOT NULL,
+	`thumbnail_path` text,
+	`featured` integer DEFAULT false NOT NULL,
+	`created_at` integer NOT NULL,
+	FOREIGN KEY (`user_id`) REFERENCES `users`(`id`) ON UPDATE no action ON DELETE no action,
+	FOREIGN KEY (`note_id`) REFERENCES `notes`(`id`) ON UPDATE no action ON DELETE cascade
+);
+--> statement-breakpoint
+INSERT INTO `__new_attachments`("id", "user_id", "note_id", "filename", "mime_type", "size", "path", "thumbnail_path", "featured", "created_at") SELECT "id", "user_id", "note_id", "filename", "mime_type", "size", "path", "thumbnail_path", "featured", "created_at" FROM `attachments`;--> statement-breakpoint
+DROP TABLE `attachments`;--> statement-breakpoint
+ALTER TABLE `__new_attachments` RENAME TO `attachments`;--> statement-breakpoint
+PRAGMA foreign_keys=ON;--> statement-breakpoint
+CREATE TABLE `__new_notes` (
+	`id` text PRIMARY KEY NOT NULL,
+	`user_id` integer DEFAULT 0 NOT NULL,
+	`title` text DEFAULT '' NOT NULL,
+	`content` text DEFAULT '' NOT NULL,
+	`color` text DEFAULT 'default' NOT NULL,
+	`pinned` integer DEFAULT false NOT NULL,
+	`archived` integer DEFAULT false NOT NULL,
+	`trashed` integer DEFAULT false NOT NULL,
+	`trashed_at` integer,
+	`checklist_mode` integer DEFAULT false NOT NULL,
+	`sort_order` integer DEFAULT 0 NOT NULL,
+	`created_at` integer NOT NULL,
+	`updated_at` integer NOT NULL,
+	`version` integer DEFAULT 1 NOT NULL,
+	FOREIGN KEY (`user_id`) REFERENCES `users`(`id`) ON UPDATE no action ON DELETE no action
+);
+--> statement-breakpoint
+INSERT INTO `__new_notes`("id", "user_id", "title", "content", "color", "pinned", "archived", "trashed", "trashed_at", "checklist_mode", "sort_order", "created_at", "updated_at", "version") SELECT "id", "user_id", "title", "content", "color", "pinned", "archived", "trashed", "trashed_at", "checklist_mode", "sort_order", "created_at", "updated_at", "version" FROM `notes`;--> statement-breakpoint
+DROP TABLE `notes`;--> statement-breakpoint
+ALTER TABLE `__new_notes` RENAME TO `notes`;--> statement-breakpoint
+CREATE INDEX `notes_user_id_idx` ON `notes` (`user_id`);--> statement-breakpoint
+CREATE INDEX `notes_trashed_archived_idx` ON `notes` (`trashed`,`archived`);--> statement-breakpoint
+CREATE INDEX `notes_updated_at_idx` ON `notes` (`updated_at`);--> statement-breakpoint
+CREATE TABLE `__new_sync_log` (
+	`id` integer PRIMARY KEY AUTOINCREMENT NOT NULL,
+	`user_id` integer DEFAULT 0 NOT NULL,
+	`note_id` text NOT NULL,
+	`operation` text NOT NULL,
+	`timestamp` integer NOT NULL,
+	`client_id` text NOT NULL,
+	FOREIGN KEY (`user_id`) REFERENCES `users`(`id`) ON UPDATE no action ON DELETE no action,
+	FOREIGN KEY (`note_id`) REFERENCES `notes`(`id`) ON UPDATE no action ON DELETE no action
+);
+--> statement-breakpoint
+INSERT INTO `__new_sync_log`("id", "user_id", "note_id", "operation", "timestamp", "client_id") SELECT "id", "user_id", "note_id", "operation", "timestamp", "client_id" FROM `sync_log`;--> statement-breakpoint
+DROP TABLE `sync_log`;--> statement-breakpoint
+ALTER TABLE `__new_sync_log` RENAME TO `sync_log`;--> statement-breakpoint
+CREATE INDEX `sync_log_timestamp_idx` ON `sync_log` (`timestamp`);--> statement-breakpoint
+CREATE TABLE `__new_tags` (
+	`id` integer PRIMARY KEY AUTOINCREMENT NOT NULL,
+	`user_id` integer DEFAULT 0 NOT NULL,
+	`name` text NOT NULL,
+	FOREIGN KEY (`user_id`) REFERENCES `users`(`id`) ON UPDATE no action ON DELETE no action
+);
+--> statement-breakpoint
+INSERT INTO `__new_tags`("id", "user_id", "name") SELECT "id", "user_id", "name" FROM `tags`;--> statement-breakpoint
+DROP TABLE `tags`;--> statement-breakpoint
+ALTER TABLE `__new_tags` RENAME TO `tags`;--> statement-breakpoint
+CREATE UNIQUE INDEX `tags_name_user_unique` ON `tags` (`name`,`user_id`);

drizzle/meta/_journal.json

@@ -15,6 +15,13 @@
       "when": 1773016788899,
       "tag": "0001_strange_lord_hawal",
       "breakpoints": true
+    },
+    {
+      "idx": 2,
+      "version": "6",
+      "when": 1773150888301,
+      "tag": "0002_deep_black_widow",
+      "breakpoints": true
     }
   ]
 }

package.json

@@ -1,7 +1,7 @@
 {
   "name": "crumbs",
   "private": true,
-  "version": "0.16.1",
+  "version": "0.18.0",
   "type": "module",
   "license": "MIT",
   "author": "Bretzel (https://bretzel.app)",
@@ -19,7 +19,10 @@
     "check:watch": "svelte-kit sync && svelte-check --tsconfig ./tsconfig.json --watch",
     "test:unit": "vitest run",
     "test:unit:watch": "vitest",
+    "test:unit:coverage": "vitest run --coverage",
     "test:e2e": "playwright test",
+    "test:e2e:coverage": "VITE_COVERAGE=true pnpm build && pnpm test:e2e && nyc report",
+    "coverage:merge-e2e": "nyc merge coverage/e2e/raw coverage/e2e/merged.json && nyc report",
     "test": "pnpm test:unit && pnpm test:e2e",
     "db:push": "drizzle-kit push",
     "db:generate": "drizzle-kit generate",
@@ -68,13 +71,16 @@
     "@types/uuid": "^10.0.0",
     "@types/zxcvbn": "^4.4.5",
     "@vite-pwa/sveltekit": "^1.1.0",
+    "@vitest/coverage-v8": "^3.2.4",
     "drizzle-kit": "^0.31.9",
+    "nyc": "^18.0.0",
     "svelte": "^5.53.7",
     "svelte-check": "^4.4.4",
     "tailwindcss": "^4.2.1",
     "tsx": "^4.21.0",
     "typescript": "^5.9.3",
     "vite": "^7.3.1",
+    "vite-plugin-istanbul": "^7.2.1",
     "vitest": "^3.2.4",
     "yaml": "^2.8.2"
   },

playwright.config.ts

@@ -4,7 +4,8 @@ export default defineConfig({
 	testDir: './tests/e2e',
 	fullyParallel: true,
 	forbidOnly: !!process.env.CI,
-	retries: process.env.CI ? 2 : 0,
+	retries: 0,
+	workers: process.env.CI ? 4 : undefined,
 	reporter: 'html',
 	globalSetup: './tests/e2e/global-setup.ts',
 	use: {
@@ -27,7 +28,7 @@ export default defineConfig({
 		}
 	],
 	webServer: {
-		command: 'pnpm build && pnpm preview --port 4173',
+		command: 'pnpm preview --port 4173',
 		port: 4173,
 		reuseExistingServer: !process.env.CI,
 		timeout: 120_000,

scripts/coverage-summary.sh

@@ -0,0 +1,37 @@
+#!/usr/bin/env bash
+# Writes a coverage summary table to $GITHUB_STEP_SUMMARY (or stdout if not in CI).
+# Usage: scripts/coverage-summary.sh <title> <json-summary-path>
+set -euo pipefail
+
+TITLE="${1:?Usage: coverage-summary.sh <title> <json-summary-path>}"
+JSON="${2:?Usage: coverage-summary.sh <title> <json-summary-path>}"
+
+if [ ! -f "$JSON" ]; then
+  echo "Coverage summary not found: $JSON" >&2
+  exit 0
+fi
+
+# Resolve to absolute path for require()
+ABS_JSON="$(cd "$(dirname "$JSON")" && pwd)/$(basename "$JSON")"
+
+# Extract totals with node (available in CI, no jq dependency)
+read -r stmts branches funcs lines < <(node -e "
+  const s = require('$ABS_JSON').total;
+  console.log(s.statements.pct, s.branches.pct, s.functions.pct, s.lines.pct);
+")
+
+TABLE="## $TITLE
+
+| Metric | Coverage |
+|--------|----------|
+| Statements | ${stmts}% |
+| Branches | ${branches}% |
+| Functions | ${funcs}% |
+| Lines | ${lines}% |
+"
+
+if [ -n "${GITHUB_STEP_SUMMARY:-}" ]; then
+  echo "$TABLE" >> "$GITHUB_STEP_SUMMARY"
+else
+  echo "$TABLE"
+fi

src/lib/components/NoteEditor.svelte

@@ -8,6 +8,7 @@
 	import { updateNote, createNote } from '$lib/stores/notes.js';
 	import { notes } from '$lib/stores/notes.js';
 	import { NOTE_COLORS } from '$lib/utils/colors.js';
+	import { getPreferences } from '$lib/stores/preferences.svelte.js';
 	import type { Editor } from '@tiptap/core';
 	import type { Note, NoteColor, Attachment, Collaborator } from '$lib/types/index.js';
 	import Palette from 'lucide-svelte/icons/palette';
@@ -26,19 +27,20 @@
 	}
 
 	const { note, isNew = false, onClose }: Props = $props();
+	const prefs = getPreferences();
 
 	// svelte-ignore state_referenced_locally
 	let title = $state(note?.title ?? '');
 	// svelte-ignore state_referenced_locally
 	let content = $state(note?.content ?? '');
 	// svelte-ignore state_referenced_locally
-	let color = $state<NoteColor>(note?.color ?? 'default');
+	let color = $state<NoteColor>(note?.color ?? prefs.defaultNoteColor);
 	// svelte-ignore state_referenced_locally
 	let checklistMode = $state(note?.checklistMode ?? false);
 	let showColorPicker = $state(false);
 	let showImageUpload = $state(false);
 	// svelte-ignore state_referenced_locally
-	let rawMarkdownMode = $state(note?.checklistMode ?? false);
+	let rawMarkdownMode = $state(note ? (note.checklistMode ?? false) : prefs.defaultNoteMode === 'markdown');
 	let textareaEl: HTMLTextAreaElement | undefined = $state();
 	let tiptapEditor: Editor | undefined = $state();
 	let editorTick = $state(0);
@@ -134,6 +136,21 @@
 		bgStyle = `background-color: ${colors.bg}`;
 	});
 
+	// Track whether mousedown started on the overlay (not inside the editor).
+	// Prevents closing when the user selects text inside the editor and
+	// releases the mouse outside — the click event fires on the overlay,
+	// but we only want to close if the press also started there.
+	let mousedownOnOverlay = false;
+
+	function handleOverlayMousedown(e: MouseEvent) {
+		mousedownOnOverlay = e.target === e.currentTarget;
+	}
+
+	function handleOverlayClick() {
+		if (mousedownOnOverlay) saveAndClose();
+		mousedownOnOverlay = false;
+	}
+
 	async function saveAndClose() {
 		if (!title.trim() && !content.trim()) {
 			onClose();
@@ -195,7 +212,8 @@
 <!-- svelte-ignore a11y_no_static_element_interactions -->
 <div
 	class="fixed inset-0 z-40 flex items-start justify-center overflow-y-auto bg-black/50 pt-20 pb-10 animate-[fade-in_150ms_ease-out]"
-	onclick={saveAndClose}
+	onmousedown={handleOverlayMousedown}
+	onclick={handleOverlayClick}
 	onkeydown={handleKeydown}
 	data-testid="note-editor-overlay"
 >

src/lib/server/api-utils.test.ts

@@ -0,0 +1,100 @@
+import { describe, it, expect, beforeEach } from 'vitest';
+import { createTestDb } from './db/test-helpers.js';
+import { notes, noteCollaborators, users } from './db/schema.js';
+import type { Db } from './db/index.js';
+import { canAccessNote, requireNoteAccess, requireNoteOwnership, getUserId } from './api-utils.js';
+
+let db: Db;
+const OWNER_ID = 1;
+const COLLAB_ID = 2;
+const STRANGER_ID = 3;
+
+function seedUsers() {
+	db.insert(users)
+		.values([
+			{ email: 'owner@test.com', displayName: 'Owner', role: 'admin', authProvider: 'password', createdAt: new Date() },
+			{ email: 'collab@test.com', displayName: 'Collab', role: 'user', authProvider: 'password', createdAt: new Date() },
+			{ email: 'stranger@test.com', displayName: 'Stranger', role: 'user', authProvider: 'password', createdAt: new Date() }
+		])
+		.run();
+}
+
+function seedNote(id: string) {
+	db.insert(notes)
+		.values({ id, userId: OWNER_ID, title: 'Test', content: '', createdAt: new Date(), updatedAt: new Date() })
+		.run();
+}
+
+function shareNote(noteId: string) {
+	db.insert(noteCollaborators)
+		.values({ noteId, userId: COLLAB_ID, addedBy: OWNER_ID, addedAt: new Date() })
+		.run();
+}
+
+beforeEach(() => {
+	const testDb = createTestDb();
+	db = testDb.db;
+	seedUsers();
+});
+
+describe('canAccessNote', () => {
+	it('should allow owner to access their note', () => {
+		seedNote('n1');
+		const result = canAccessNote(db, 'n1', OWNER_ID);
+		expect(result).toEqual({ canAccess: true, isOwner: true });
+	});
+
+	it('should allow collaborator to access shared note', () => {
+		seedNote('n1');
+		shareNote('n1');
+		const result = canAccessNote(db, 'n1', COLLAB_ID);
+		expect(result).toEqual({ canAccess: true, isOwner: false });
+	});
+
+	it('should deny non-collaborator access', () => {
+		seedNote('n1');
+		const result = canAccessNote(db, 'n1', STRANGER_ID);
+		expect(result).toEqual({ canAccess: false, isOwner: false });
+	});
+
+	it('should return false for non-existent note', () => {
+		const result = canAccessNote(db, 'nonexistent', OWNER_ID);
+		expect(result).toEqual({ canAccess: false, isOwner: false });
+	});
+});
+
+describe('requireNoteAccess', () => {
+	it('should throw 404 for unauthorized user', () => {
+		seedNote('n1');
+		expect(() => requireNoteAccess(db, 'n1', STRANGER_ID)).toThrow();
+	});
+
+	it('should return isOwner for authorized owner', () => {
+		seedNote('n1');
+		expect(requireNoteAccess(db, 'n1', OWNER_ID)).toEqual({ isOwner: true });
+	});
+});
+
+describe('requireNoteOwnership', () => {
+	it('should throw 404 for collaborator', () => {
+		seedNote('n1');
+		shareNote('n1');
+		expect(() => requireNoteOwnership(db, 'n1', COLLAB_ID)).toThrow();
+	});
+
+	it('should not throw for owner', () => {
+		seedNote('n1');
+		expect(() => requireNoteOwnership(db, 'n1', OWNER_ID)).not.toThrow();
+	});
+});
+
+describe('getUserId', () => {
+	it('should throw 401 when no user in locals', () => {
+		expect(() => getUserId({ locals: {} as App.Locals })).toThrow();
+	});
+
+	it('should return user id from locals', () => {
+		const id = getUserId({ locals: { user: { id: 42, role: 'user', email: '', displayName: '' } } as App.Locals });
+		expect(id).toBe(42);
+	});
+});

src/lib/server/api-utils.ts

@@ -1,5 +1,5 @@
 import { error } from '@sveltejs/kit';
-import { db } from './db/index.js';
+import type { Db } from './db/index.js';
 import { notes, noteCollaborators } from './db/schema.js';
 import { eq, and } from 'drizzle-orm';
 
@@ -21,7 +21,7 @@ export function requireAdmin(event: EventWithLocals) {
 /**
  * Check if a user can access a note (as owner or collaborator).
  */
-export function canAccessNote(noteId: string, userId: number): { canAccess: boolean; isOwner: boolean } {
+export function canAccessNote(db: Db, noteId: string, userId: number): { canAccess: boolean; isOwner: boolean } {
 	const note = db.select({ userId: notes.userId }).from(notes).where(eq(notes.id, noteId)).get();
 	if (!note) return { canAccess: false, isOwner: false };
 	if (note.userId === userId) return { canAccess: true, isOwner: true };
@@ -37,8 +37,8 @@ export function canAccessNote(noteId: string, userId: number): { canAccess: bool
 /**
  * Require that a user can access a note. Throws 404 if no access.
  */
-export function requireNoteAccess(noteId: string, userId: number): { isOwner: boolean } {
-	const { canAccess, isOwner } = canAccessNote(noteId, userId);
+export function requireNoteAccess(db: Db, noteId: string, userId: number): { isOwner: boolean } {
+	const { canAccess, isOwner } = canAccessNote(db, noteId, userId);
 	if (!canAccess) throw error(404, 'Not found');
 	return { isOwner };
 }
@@ -46,7 +46,7 @@ export function requireNoteAccess(noteId: string, userId: number): { isOwner: bo
 /**
  * Require that a user is the owner of a note. Throws 404 if not owner.
  */
-export function requireNoteOwnership(noteId: string, userId: number): void {
+export function requireNoteOwnership(db: Db, noteId: string, userId: number): void {
 	const note = db.select({ userId: notes.userId }).from(notes).where(eq(notes.id, noteId)).get();
 	if (!note || note.userId !== userId) throw error(404, 'Not found');
 }

src/lib/server/attachments.ts

@@ -2,7 +2,7 @@ import { existsSync, mkdirSync } from 'fs';
 import { writeFile, unlink } from 'fs/promises';
 import { join } from 'path';
 import { v4 as uuidv4 } from 'uuid';
-import { db } from './db/index.js';
+import type { Db } from './db/index.js';
 import { attachments } from './db/schema.js';
 import { eq, and, inArray } from 'drizzle-orm';
 import type { Attachment } from '$lib/types/index.js';
@@ -16,6 +16,7 @@ if (!existsSync(ATTACHMENTS_DIR)) {
 }
 
 export async function saveAttachment(
+	db: Db,
 	noteId: string,
 	file: File,
 	userId: number,
@@ -59,7 +60,7 @@ export async function saveAttachment(
  * Batch fetch attachments for multiple notes in a single query.
  * Returns a Map of noteId → Attachment[].
  */
-export function fetchAttachmentsForNotes(noteIds: string[]): Map<string, Attachment[]> {
+export function fetchAttachmentsForNotes(db: Db, noteIds: string[]): Map<string, Attachment[]> {
 	if (noteIds.length === 0) return new Map();
 
 	const rows = db
@@ -80,7 +81,7 @@ export function fetchAttachmentsForNotes(noteIds: string[]): Map<string, Attachm
 	return map;
 }
 
-export async function getAttachment(id: string, noteId: string) {
+export async function getAttachment(db: Db, id: string, noteId: string) {
 	return db
 		.select()
 		.from(attachments)
@@ -88,11 +89,11 @@ export async function getAttachment(id: string, noteId: string) {
 		.get();
 }
 
-export async function getAttachmentsByNote(noteId: string) {
+export async function getAttachmentsByNote(db: Db, noteId: string) {
 	return db.select().from(attachments).where(eq(attachments.noteId, noteId));
 }
 
-export async function updateAttachment(id: string, noteId: string, data: { featured: boolean }) {
+export async function updateAttachment(db: Db, id: string, noteId: string, data: { featured: boolean }) {
 	const [updated] = await db
 		.update(attachments)
 		.set({ featured: data.featured })
@@ -101,8 +102,8 @@ export async function updateAttachment(id: string, noteId: string, data: { featu
 	return updated ?? null;
 }
 
-export async function deleteAttachment(id: string, noteId: string) {
-	const attachment = await getAttachment(id, noteId);
+export async function deleteAttachment(db: Db, id: string, noteId: string) {
+	const attachment = await getAttachment(db, id, noteId);
 	if (attachment) {
 		try {
 			await unlink(attachment.path);

src/lib/server/collaborators.test.ts

@@ -0,0 +1,83 @@
+import { describe, it, expect, beforeEach } from 'vitest';
+import { createTestDb } from './db/test-helpers.js';
+import { notes, noteCollaborators, noteUserState, users } from './db/schema.js';
+import { eq, and } from 'drizzle-orm';
+import type { Db } from './db/index.js';
+import { fetchCollaboratorsForNotes, addCollaborator, removeCollaborator } from './collaborators.js';
+
+let db: Db;
+const OWNER_ID = 1;
+const COLLAB_ID = 2;
+
+function seedUsers() {
+	db.insert(users)
+		.values([
+			{ email: 'owner@test.com', displayName: 'Owner', role: 'admin', authProvider: 'password', createdAt: new Date() },
+			{ email: 'collab@test.com', displayName: 'Collab', role: 'user', authProvider: 'password', createdAt: new Date() }
+		])
+		.run();
+}
+
+function seedNote(id: string) {
+	db.insert(notes)
+		.values({ id, userId: OWNER_ID, title: 'Test', content: '', createdAt: new Date(), updatedAt: new Date() })
+		.run();
+}
+
+beforeEach(() => {
+	const testDb = createTestDb();
+	db = testDb.db;
+	seedUsers();
+});
+
+describe('fetchCollaboratorsForNotes', () => {
+	it('should return Map with user details for shared notes', () => {
+		seedNote('n1');
+		addCollaborator(db, 'n1', COLLAB_ID, OWNER_ID);
+
+		const map = fetchCollaboratorsForNotes(db, ['n1']);
+		const collabs = map.get('n1');
+		expect(collabs).toHaveLength(1);
+		expect(collabs![0].userId).toBe(COLLAB_ID);
+		expect(collabs![0].displayName).toBe('Collab');
+		expect(collabs![0].email).toBe('collab@test.com');
+	});
+
+	it('should return empty Map for notes with no collaborators', () => {
+		seedNote('n1');
+		const map = fetchCollaboratorsForNotes(db, ['n1']);
+		expect(map.size).toBe(0);
+	});
+});
+
+describe('addCollaborator', () => {
+	it('should insert collaborator record', () => {
+		seedNote('n1');
+		addCollaborator(db, 'n1', COLLAB_ID, OWNER_ID);
+
+		const rows = db.select().from(noteCollaborators).all();
+		expect(rows).toHaveLength(1);
+		expect(rows[0].userId).toBe(COLLAB_ID);
+		expect(rows[0].addedBy).toBe(OWNER_ID);
+	});
+});
+
+describe('removeCollaborator', () => {
+	it('should clean up noteUserState on removal', () => {
+		seedNote('n1');
+		addCollaborator(db, 'n1', COLLAB_ID, OWNER_ID);
+		db.insert(noteUserState)
+			.values({ noteId: 'n1', userId: COLLAB_ID, pinned: true, archived: false, sortOrder: 0 })
+			.run();
+
+		removeCollaborator(db, 'n1', COLLAB_ID);
+
+		const collabs = db.select().from(noteCollaborators).all();
+		expect(collabs).toHaveLength(0);
+
+		const states = db.select().from(noteUserState)
+			.where(and(eq(noteUserState.noteId, 'n1'), eq(noteUserState.userId, COLLAB_ID)))
+			.all();
+		expect(states).toHaveLength(0);
+	});
+});

src/lib/server/collaborators.ts

@@ -1,4 +1,4 @@
-import { db } from './db/index.js';
+import type { Db } from './db/index.js';
 import { noteCollaborators, noteUserState, users } from './db/schema.js';
 import { eq, and, inArray } from 'drizzle-orm';
 import type { Collaborator } from '$lib/types/index.js';
@@ -7,7 +7,7 @@ import type { Collaborator } from '$lib/types/index.js';
  * Batch fetch collaborators for multiple notes.
  * Returns a Map of noteId → Collaborator[].
  */
-export function fetchCollaboratorsForNotes(noteIds: string[]): Map<string, Collaborator[]> {
+export function fetchCollaboratorsForNotes(db: Db, noteIds: string[]): Map<string, Collaborator[]> {
 	if (noteIds.length === 0) return new Map();
 
 	const rows = db
@@ -44,7 +44,7 @@ export function fetchCollaboratorsForNotes(noteIds: string[]): Map<string, Colla
 /**
  * Add a collaborator to a note.
  */
-export function addCollaborator(noteId: string, userId: number, addedBy: number): void {
+export function addCollaborator(db: Db, noteId: string, userId: number, addedBy: number): void {
 	db.insert(noteCollaborators)
 		.values({ noteId, userId, addedBy, addedAt: new Date() })
 		.run();
@@ -53,7 +53,7 @@ export function addCollaborator(noteId: string, userId: number, addedBy: number)
 /**
  * Remove a collaborator from a note. Also cleans up their per-user state.
  */
-export function removeCollaborator(noteId: string, userId: number): void {
+export function removeCollaborator(db: Db, noteId: string, userId: number): void {
 	db.delete(noteCollaborators)
 		.where(and(eq(noteCollaborators.noteId, noteId), eq(noteCollaborators.userId, userId)))
 		.run();
@@ -65,7 +65,7 @@ export function removeCollaborator(noteId: string, userId: number): void {
 /**
  * Get all collaborator user IDs for a note.
  */
-export function getCollaboratorIds(noteId: string): number[] {
+export function getCollaboratorIds(db: Db, noteId: string): number[] {
 	return db
 		.select({ userId: noteCollaborators.userId })
 		.from(noteCollaborators)

src/lib/server/db/index.ts

@@ -115,6 +115,14 @@ sqlite.exec(`
 		success INTEGER NOT NULL,
 		timestamp INTEGER NOT NULL
 	);
+
+	CREATE TABLE IF NOT EXISTS user_preferences (
+		id INTEGER PRIMARY KEY AUTOINCREMENT,
+		user_id INTEGER NOT NULL REFERENCES users(id),
+		key TEXT NOT NULL,
+		value TEXT NOT NULL,
+		updated_at INTEGER NOT NULL
+	);
 `);
 
 // Migration: detect old schema (no email column on users) and add columns
@@ -186,6 +194,7 @@ sqlite.exec(`
 	CREATE UNIQUE INDEX IF NOT EXISTS note_collaborators_unique ON note_collaborators(note_id, user_id);
 	CREATE INDEX IF NOT EXISTS note_collaborators_user_id_idx ON note_collaborators(user_id);
 	CREATE UNIQUE INDEX IF NOT EXISTS note_user_state_unique ON note_user_state(note_id, user_id);
+	CREATE UNIQUE INDEX IF NOT EXISTS user_preferences_user_key_unique ON user_preferences(user_id, key);
 
 	CREATE TABLE IF NOT EXISTS api_keys (
 		id TEXT PRIMARY KEY,
@@ -247,4 +256,5 @@ if (pwCol && pwCol.notnull) {
 sqlite.pragma('foreign_keys = ON');
 
 export const db = drizzle(sqlite, { schema });
+export type Db = import('drizzle-orm/better-sqlite3').BetterSQLite3Database<typeof schema>;
 export { sqlite };

src/lib/server/db/schema.ts

@@ -175,3 +175,17 @@ export const loginAttempts = sqliteTable(
 	},
 	(table) => [index('login_attempts_ip_timestamp_idx').on(table.ip, table.timestamp)]
 );
+
+export const userPreferences = sqliteTable(
+	'user_preferences',
+	{
+		id: integer('id').primaryKey({ autoIncrement: true }),
+		userId: integer('user_id')
+			.references(() => users.id)
+			.notNull(),
+		key: text('key').notNull(),
+		value: text('value').notNull(),
+		updatedAt: integer('updated_at', { mode: 'timestamp' }).notNull()
+	},
+	(table) => [uniqueIndex('user_preferences_user_key_unique').on(table.userId, table.key)]
+);

src/lib/server/db/test-helpers.ts

@@ -94,6 +94,8 @@ export function createTestDb(options?: { seedUser?: boolean }) {
 			mime_type TEXT NOT NULL,
 			size INTEGER NOT NULL,
 			path TEXT NOT NULL,
+			thumbnail_path TEXT,
+			featured INTEGER NOT NULL DEFAULT 0,
 			created_at INTEGER NOT NULL
 		);
 
@@ -125,6 +127,15 @@ export function createTestDb(options?: { seedUser?: boolean }) {
 			created_at INTEGER NOT NULL,
 			last_used_at INTEGER
 		);
+
+		CREATE TABLE user_preferences (
+			id INTEGER PRIMARY KEY AUTOINCREMENT,
+			user_id INTEGER NOT NULL REFERENCES users(id),
+			key TEXT NOT NULL,
+			value TEXT NOT NULL,
+			updated_at INTEGER NOT NULL
+		);
+		CREATE UNIQUE INDEX user_preferences_user_key_unique ON user_preferences(user_id, key);
 	`);
 
 	const db = drizzle(sqlite, { schema });

src/lib/server/mcp/server.ts

@@ -12,6 +12,7 @@ import {
 	reorderNotes
 } from '../notes-service.js';
 import { saveAttachment } from '../attachments.js';
+import { db } from '../db/index.js';
 
 const NOTE_COLORS = [
 	'default',
@@ -45,7 +46,7 @@ export function createMcpServer(userId: number): McpServer {
 			tag: z.string().optional().describe('Filter by tag name')
 		},
 		async ({ filter = 'all', tag }: { filter?: string; tag?: string }) => {
-			let result = listNotes(userId, filter as NoteFilter);
+			let result = listNotes(db, userId, filter as NoteFilter);
 
 			if (tag) {
 				result = result.filter((n) =>
@@ -64,7 +65,7 @@ export function createMcpServer(userId: number): McpServer {
 		'Get a single note by ID with its tags and attachments',
 		{ id: z.string().describe('Note ID') },
 		async ({ id }: { id: string }) => {
-			const note = getNote(userId, id);
+			const note = getNote(db, userId, id);
 			if (!note) {
 				return {
 					content: [{ type: 'text' as const, text: 'Note not found' }],
@@ -88,7 +89,7 @@ export function createMcpServer(userId: number): McpServer {
 			checklistMode: z.boolean().optional().describe('Enable checklist mode')
 		},
 		async ({ title, content, color, checklistMode }: { title?: string; content?: string; color?: string; checklistMode?: boolean }) => {
-			const note = createNote(userId, { title, content, color, checklistMode });
+			const note = createNote(db, userId, { title, content, color, checklistMode });
 			return {
 				content: [{ type: 'text' as const, text: JSON.stringify(note, null, 2) }]
 			};
@@ -107,7 +108,7 @@ export function createMcpServer(userId: number): McpServer {
 			checklistMode: z.boolean().optional().describe('Enable/disable checklist mode')
 		},
 		async ({ id, ...updates }: { id: string; title?: string; content?: string; color?: string; pinned?: boolean; checklistMode?: boolean }) => {
-			const result = updateNote(userId, id, updates);
+			const result = updateNote(db, userId, id, updates);
 			if (!result) {
 				return {
 					content: [{ type: 'text' as const, text: 'Note not found' }],
@@ -126,7 +127,7 @@ export function createMcpServer(userId: number): McpServer {
 		'Move a note to trash',
 		{ id: z.string().describe('Note ID') },
 		async ({ id }: { id: string }) => {
-			const result = updateNote(userId, id, { trashed: true });
+			const result = updateNote(db, userId, id, { trashed: true });
 			if (!result) {
 				return {
 					content: [{ type: 'text' as const, text: 'Note not found' }],
@@ -144,7 +145,7 @@ export function createMcpServer(userId: number): McpServer {
 		'Restore a note from trash',
 		{ id: z.string().describe('Note ID') },
 		async ({ id }: { id: string }) => {
-			const result = updateNote(userId, id, { trashed: false });
+			const result = updateNote(db, userId, id, { trashed: false });
 			if (!result) {
 				return {
 					content: [{ type: 'text' as const, text: 'Note not found' }],
@@ -162,7 +163,7 @@ export function createMcpServer(userId: number): McpServer {
 		'Archive a note',
 		{ id: z.string().describe('Note ID') },
 		async ({ id }: { id: string }) => {
-			const result = updateNote(userId, id, { archived: true });
+			const result = updateNote(db, userId, id, { archived: true });
 			if (!result) {
 				return {
 					content: [{ type: 'text' as const, text: 'Note not found' }],
@@ -180,7 +181,7 @@ export function createMcpServer(userId: number): McpServer {
 		'Unarchive a note',
 		{ id: z.string().describe('Note ID') },
 		async ({ id }: { id: string }) => {
-			const result = updateNote(userId, id, { archived: false });
+			const result = updateNote(db, userId, id, { archived: false });
 			if (!result) {
 				return {
 					content: [{ type: 'text' as const, text: 'Note not found' }],
@@ -198,7 +199,7 @@ export function createMcpServer(userId: number): McpServer {
 		'Permanently delete a note',
 		{ id: z.string().describe('Note ID') },
 		async ({ id }: { id: string }) => {
-			const existing = getNote(userId, id);
+			const existing = getNote(db, userId, id);
 			if (!existing) {
 				return {
 					content: [{ type: 'text' as const, text: 'Note not found' }],
@@ -206,7 +207,7 @@ export function createMcpServer(userId: number): McpServer {
 				};
 			}
 
-			deleteNote(userId, id);
+			deleteNote(db, userId, id);
 			return {
 				content: [
 					{
@@ -223,7 +224,7 @@ export function createMcpServer(userId: number): McpServer {
 		'Search notes by title, content, or tag name',
 		{ query: z.string().describe('Search query') },
 		async ({ query }: { query: string }) => {
-			const results = searchNotes(userId, query);
+			const results = searchNotes(db, userId, query);
 			return {
 				content: [{ type: 'text' as const, text: JSON.stringify(results, null, 2) }]
 			};
@@ -231,7 +232,7 @@ export function createMcpServer(userId: number): McpServer {
 	);
 
 	server.tool('list_tags', 'List all tags', {}, async () => {
-		const allTags = listAllTags(userId);
+		const allTags = listAllTags(db, userId);
 		return {
 			content: [{ type: 'text' as const, text: JSON.stringify(allTags, null, 2) }]
 		};
@@ -245,7 +246,7 @@ export function createMcpServer(userId: number): McpServer {
 			pinned: z.boolean().describe('Whether to pin (true) or unpin (false)')
 		},
 		async ({ id, pinned }: { id: string; pinned: boolean }) => {
-			const result = updateNote(userId, id, { pinned });
+			const result = updateNote(db, userId, id, { pinned });
 			if (!result) {
 				return {
 					content: [{ type: 'text' as const, text: 'Note not found' }],
@@ -277,7 +278,7 @@ export function createMcpServer(userId: number): McpServer {
 				.describe('Array of note IDs with their new sort orders')
 		},
 		async ({ orders }: { orders: { id: string; sortOrder: number }[] }) => {
-			reorderNotes(userId, orders);
+			reorderNotes(db, userId, orders);
 			return {
 				content: [{ type: 'text' as const, text: `Reordered ${orders.length} notes` }]
 			};
@@ -292,7 +293,7 @@ export function createMcpServer(userId: number): McpServer {
 			imageUrl: z.string().url().describe('URL of the image to fetch')
 		},
 		async ({ noteId, imageUrl }: { noteId: string; imageUrl: string }) => {
-			const existing = getNote(userId, noteId);
+			const existing = getNote(db, userId, noteId);
 			if (!existing) {
 				return {
 					content: [{ type: 'text' as const, text: 'Note not found' }],
@@ -320,7 +321,7 @@ export function createMcpServer(userId: number): McpServer {
 				const filename = `upload_${Date.now()}.${ext}`;
 
 				const file = new File([buffer], filename, { type: contentType });
-				const attachment = await saveAttachment(noteId, file, userId);
+				const attachment = await saveAttachment(db, noteId, file, userId);
 
 				return {
 					content: [{ type: 'text' as const, text: JSON.stringify(attachment, null, 2) }]

src/lib/server/notes-service.test.ts

@@ -0,0 +1,311 @@
+import { describe, it, expect, beforeEach } from 'vitest';
+import { createTestDb } from './db/test-helpers.js';
+import { notes, noteCollaborators, noteUserState, users } from './db/schema.js';
+import { eq, and } from 'drizzle-orm';
+import type { Db } from './db/index.js';
+import {
+	listNotes,
+	getNote,
+	createNote,
+	updateNote,
+	deleteNote,
+	searchNotes,
+	reorderNotes
+} from './notes-service.js';
+
+let db: Db;
+
+const OWNER_ID = 1;
+const COLLAB_ID = 2;
+
+function seedUsers() {
+	db.insert(users)
+		.values([
+			{
+				email: 'owner@test.com',
+				displayName: 'Owner',
+				role: 'admin',
+				authProvider: 'password',
+				createdAt: new Date()
+			},
+			{
+				email: 'collab@test.com',
+				displayName: 'Collab',
+				role: 'user',
+				authProvider: 'password',
+				createdAt: new Date()
+			}
+		])
+		.run();
+}
+
+function seedNote(
+	id: string,
+	overrides: Partial<typeof notes.$inferInsert> = {}
+) {
+	const now = new Date();
+	db.insert(notes)
+		.values({
+			id,
+			userId: OWNER_ID,
+			title: '',
+			content: '',
+			createdAt: now,
+			updatedAt: now,
+			...overrides
+		})
+		.run();
+	return id;
+}
+
+function shareNote(noteId: string, userId = COLLAB_ID) {
+	db.insert(noteCollaborators)
+		.values({
+			noteId,
+			userId,
+			addedBy: OWNER_ID,
+			addedAt: new Date()
+		})
+		.run();
+}
+
+beforeEach(() => {
+	const testDb = createTestDb();
+	db = testDb.db;
+	seedUsers();
+});
+
+describe('listNotes', () => {
+	it('should return only active owned notes (excludes archived/trashed)', () => {
+		seedNote('active', { title: 'Active' });
+		seedNote('archived', { title: 'Archived', archived: true });
+		seedNote('trashed', { title: 'Trashed', trashed: true });
+
+		const result = listNotes(db, OWNER_ID);
+		expect(result).toHaveLength(1);
+		expect(result[0].title).toBe('Active');
+	});
+
+	it('should include shared notes with per-user state overlay', () => {
+		seedNote('shared', { title: 'Shared Note' });
+		shareNote('shared');
+		db.insert(noteUserState)
+			.values({ noteId: 'shared', userId: COLLAB_ID, pinned: true, archived: false, sortOrder: 5 })
+			.run();
+
+		const result = listNotes(db, COLLAB_ID);
+		expect(result).toHaveLength(1);
+		expect(result[0].title).toBe('Shared Note');
+		expect(result[0].pinned).toBeTruthy();
+		expect(result[0].sortOrder).toBe(5);
+	});
+
+	it('should sort pinned first, then by updatedAt desc', () => {
+		const old = new Date('2024-01-01');
+		const recent = new Date('2024-01-02');
+		seedNote('old-pinned', { title: 'Old Pinned', pinned: true, updatedAt: old, createdAt: old });
+		seedNote('recent', { title: 'Recent', updatedAt: recent, createdAt: recent });
+		seedNote('old', { title: 'Old', updatedAt: old, createdAt: old });
+
+		const result = listNotes(db, OWNER_ID);
+		expect(result.map((n) => n.title)).toEqual(['Old Pinned', 'Recent', 'Old']);
+	});
+
+	it('should return only archived notes with archived filter', () => {
+		seedNote('active', { title: 'Active' });
+		seedNote('archived', { title: 'Archived', archived: true });
+		seedNote('shared', { title: 'Shared Archived' });
+		shareNote('shared');
+		db.insert(noteUserState)
+			.values({ noteId: 'shared', userId: COLLAB_ID, pinned: false, archived: true, sortOrder: 0 })
+			.run();
+
+		// Owner sees their archived note
+		const ownerResult = listNotes(db, OWNER_ID, 'archived');
+		expect(ownerResult).toHaveLength(1);
+		expect(ownerResult[0].title).toBe('Archived');
+
+		// Collaborator sees shared note they archived
+		const collabResult = listNotes(db, COLLAB_ID, 'archived');
+		expect(collabResult).toHaveLength(1);
+		expect(collabResult[0].title).toBe('Shared Archived');
+	});
+
+	it('should exclude shared notes from trashed filter', () => {
+		seedNote('trashed', { title: 'Trashed', trashed: true });
+		seedNote('shared', { title: 'Shared' });
+		shareNote('shared');
+
+		const result = listNotes(db, COLLAB_ID, 'trashed');
+		expect(result).toHaveLength(0);
+	});
+});
+
+describe('getNote', () => {
+	it('should return null for non-existent note', () => {
+		expect(getNote(db, OWNER_ID, 'nonexistent')).toBeNull();
+	});
+
+	it('should return null if user has no access', () => {
+		seedNote('private', { title: 'Private' });
+		expect(getNote(db, COLLAB_ID, 'private')).toBeNull();
+	});
+
+	it('should overlay collaborator per-user state', () => {
+		seedNote('shared', { title: 'Shared', pinned: true, sortOrder: 10 });
+		shareNote('shared');
+		db.insert(noteUserState)
+			.values({ noteId: 'shared', userId: COLLAB_ID, pinned: false, archived: true, sortOrder: 5 })
+			.run();
+
+		const note = getNote(db, COLLAB_ID, 'shared');
+		expect(note).not.toBeNull();
+		expect(note!.pinned).toBeFalsy();
+		expect(note!.archived).toBeTruthy();
+		expect(note!.sortOrder).toBe(5);
+	});
+});
+
+describe('createNote', () => {
+	it('should generate UUID and set version=1', () => {
+		const note = createNote(db, OWNER_ID, { title: 'Test' });
+		expect(note.id).toBeDefined();
+		expect(note.id.length).toBe(36); // UUID format
+		expect(note.version).toBe(1);
+	});
+
+	it('should use provided ID when given', () => {
+		const note = createNote(db, OWNER_ID, { id: 'custom-id', title: 'Test' });
+		expect(note.id).toBe('custom-id');
+	});
+
+	it('should extract tags from content', () => {
+		const note = createNote(db, OWNER_ID, {
+			title: 'My #todo note',
+			content: 'Some #important content'
+		});
+		expect(note.tags).toContain('todo');
+		expect(note.tags).toContain('important');
+	});
+});
+
+describe('updateNote', () => {
+	it('should allow owner to update shared fields directly', () => {
+		seedNote('n1', { title: 'Original' });
+		const updated = updateNote(db, OWNER_ID, 'n1', { title: 'Updated' });
+		expect(updated).not.toBeNull();
+		expect(updated!.title).toBe('Updated');
+	});
+
+	it('should allow collaborator to edit content', () => {
+		seedNote('n1', { title: 'Original', content: 'Old' });
+		shareNote('n1');
+		const updated = updateNote(db, COLLAB_ID, 'n1', { content: 'New content' });
+		expect(updated).not.toBeNull();
+		expect(updated!.content).toBe('New content');
+	});
+
+	it('should route collaborator per-user fields to noteUserState', () => {
+		seedNote('n1', { title: 'Note', pinned: false });
+		shareNote('n1');
+		updateNote(db, COLLAB_ID, 'n1', { pinned: true, sortOrder: 7 });
+
+		// Owner's note pinned should be unchanged
+		const ownerView = getNote(db, OWNER_ID, 'n1');
+		expect(ownerView!.pinned).toBeFalsy();
+
+		// Collaborator sees their per-user state
+		const collabView = getNote(db, COLLAB_ID, 'n1');
+		expect(collabView!.pinned).toBeTruthy();
+		expect(collabView!.sortOrder).toBe(7);
+	});
+
+	it('should return null when collaborator tries to trash', () => {
+		seedNote('n1', { title: 'Note' });
+		shareNote('n1');
+		const result = updateNote(db, COLLAB_ID, 'n1', { trashed: true });
+		expect(result).toBeNull();
+	});
+
+	it('should increment version on update', () => {
+		seedNote('n1', { title: 'V1' });
+		const updated = updateNote(db, OWNER_ID, 'n1', { title: 'V2' });
+		expect(updated!.version).toBe(2);
+	});
+
+	it('should extract and sync tags on title/content change', () => {
+		seedNote('n1', { title: 'Original' });
+		const updated = updateNote(db, OWNER_ID, 'n1', { title: 'Now with #newtag' });
+		expect(updated!.tags).toContain('newtag');
+	});
+});
+
+describe('deleteNote', () => {
+	it('should allow owner to permanently delete', () => {
+		seedNote('n1', { title: 'Delete me' });
+		const result = deleteNote(db, OWNER_ID, 'n1');
+		expect(result).toBe(true);
+		expect(getNote(db, OWNER_ID, 'n1')).toBeNull();
+	});
+
+	it('should return false for non-existent or unauthorized', () => {
+		seedNote('n1', { title: 'Private' });
+		expect(deleteNote(db, COLLAB_ID, 'n1')).toBe(false);
+		expect(deleteNote(db, OWNER_ID, 'nonexistent')).toBe(false);
+	});
+});
+
+describe('searchNotes', () => {
+	it('should match title and content', () => {
+		seedNote('n1', { title: 'Meeting notes', content: 'Discuss budget' });
+		seedNote('n2', { title: 'Shopping list', content: 'Buy milk' });
+
+		const results = searchNotes(db, OWNER_ID, 'budget');
+		expect(results).toHaveLength(1);
+		expect(results[0].id).toBe('n1');
+	});
+
+	it('should include shared notes in results', () => {
+		seedNote('shared', { title: 'Shared doc', content: 'Collaboration' });
+		shareNote('shared');
+
+		const results = searchNotes(db, COLLAB_ID, 'Collaboration');
+		expect(results).toHaveLength(1);
+		expect(results[0].id).toBe('shared');
+	});
+
+	it('should return empty array for empty query', () => {
+		seedNote('n1', { title: 'Test' });
+		expect(searchNotes(db, OWNER_ID, '')).toEqual([]);
+	});
+});
+
+describe('reorderNotes', () => {
+	it('should update owner sortOrder in notes table', () => {
+		seedNote('n1', { title: 'A' });
+		seedNote('n2', { title: 'B' });
+		reorderNotes(db, OWNER_ID, [
+			{ id: 'n1', sortOrder: 2 },
+			{ id: 'n2', sortOrder: 1 }
+		]);
+
+		const n1 = getNote(db, OWNER_ID, 'n1');
+		const n2 = getNote(db, OWNER_ID, 'n2');
+		expect(n1!.sortOrder).toBe(2);
+		expect(n2!.sortOrder).toBe(1);
+	});
+
+	it('should update collaborator sortOrder in noteUserState', () => {
+		seedNote('n1', { title: 'Note', sortOrder: 0 });
+		shareNote('n1');
+		reorderNotes(db, COLLAB_ID, [{ id: 'n1', sortOrder: 5 }]);
+
+		// Owner's sortOrder unchanged
+		const ownerView = getNote(db, OWNER_ID, 'n1');
+		expect(ownerView!.sortOrder).toBe(0);
+
+		// Collaborator sees their sortOrder
+		const collabView = getNote(db, COLLAB_ID, 'n1');
+		expect(collabView!.sortOrder).toBe(5);
+	});
+});

src/lib/server/notes-service.ts

@@ -1,4 +1,4 @@
-import { db as defaultDb } from './db/index.js';
+import type { Db } from './db/index.js';
 import { notes, noteTags, tags, noteCollaborators, noteUserState } from './db/schema.js';
 import { eq, and, desc, like, or, inArray, sql } from 'drizzle-orm';
 import { v4 as uuidv4 } from 'uuid';
@@ -9,8 +9,6 @@ import { fetchCollaboratorsForNotes } from './collaborators.js';
 import { canAccessNote } from './api-utils.js';
 import type { NoteFilter } from '$lib/types/index.js';
 
-const db = defaultDb;
-
 interface NoteRow {
 	id: string;
 	userId: number;
@@ -28,11 +26,11 @@ interface NoteRow {
 	version: number;
 }
 
-function hydrateNotes(noteRows: NoteRow[], userId: number) {
+function hydrateNotes(db: Db, noteRows: NoteRow[], userId: number) {
 	const noteIds = noteRows.map((n) => n.id);
-	const tagMap = fetchTagsForNotes(noteIds);
-	const attachmentMap = fetchAttachmentsForNotes(noteIds);
-	const collabMap = fetchCollaboratorsForNotes(noteIds);
+	const tagMap = fetchTagsForNotes(db, noteIds);
+	const attachmentMap = fetchAttachmentsForNotes(db, noteIds);
+	const collabMap = fetchCollaboratorsForNotes(db, noteIds);
 
 	return noteRows.map((note) => {
 		const collaborators = collabMap.get(note.id) ?? [];
@@ -52,7 +50,7 @@ function hydrateNotes(noteRows: NoteRow[], userId: number) {
 /**
  * Get shared notes for a user with per-user state overlay.
  */
-function getSharedNotes(userId: number, filter: 'all' | 'archived'): NoteRow[] {
+function getSharedNotes(db: Db, userId: number, filter: 'all' | 'archived'): NoteRow[] {
 	const rows = db
 		.select({
 			id: notes.id,
@@ -90,7 +88,7 @@ function getSharedNotes(userId: number, filter: 'all' | 'archived'): NoteRow[] {
 	return rows as NoteRow[];
 }
 
-export function listNotes(userId: number, filter: NoteFilter = 'all') {
+export function listNotes(db: Db, userId: number, filter: NoteFilter = 'all') {
 	// Owned notes
 	let conditions;
 	switch (filter) {
@@ -114,7 +112,7 @@ export function listNotes(userId: number, filter: NoteFilter = 'all') {
 	// Shared notes (not for trashed filter — collaborators don't see trash)
 	let sharedNotes: NoteRow[] = [];
 	if (filter !== 'trashed') {
-		sharedNotes = getSharedNotes(userId, filter === 'archived' ? 'archived' : 'all');
+		sharedNotes = getSharedNotes(db, userId, filter === 'archived' ? 'archived' : 'all');
 	}
 
 	const combined = [...ownedNotes, ...sharedNotes];
@@ -124,11 +122,11 @@ export function listNotes(userId: number, filter: NoteFilter = 'all') {
 		return b.updatedAt.getTime() - a.updatedAt.getTime();
 	});
 
-	return hydrateNotes(combined, userId);
+	return hydrateNotes(db, combined, userId);
 }
 
-export function getNote(userId: number, id: string) {
-	const { canAccess, isOwner } = canAccessNote(id, userId);
+export function getNote(db: Db, userId: number, id: string) {
+	const { canAccess, isOwner } = canAccessNote(db, id, userId);
 	if (!canAccess) return null;
 
 	const note = db.select().from(notes).where(eq(notes.id, id)).get();
@@ -151,7 +149,7 @@ export function getNote(userId: number, id: string) {
 		};
 	}
 
-	const result = hydrateNotes([effectiveNote], userId);
+	const result = hydrateNotes(db, [effectiveNote], userId);
 	return result[0] ?? null;
 }
 
@@ -165,7 +163,7 @@ export interface CreateNoteInput {
 	sortOrder?: number;
 }
 
-export function createNote(userId: number, input: CreateNoteInput) {
+export function createNote(db: Db, userId: number, input: CreateNoteInput) {
 	const now = new Date();
 	const id = input.id || uuidv4();
 
@@ -192,7 +190,7 @@ export function createNote(userId: number, input: CreateNoteInput) {
 	db.transaction((tx) => {
 		tx.insert(notes).values(newNote).run();
 	});
-	syncNoteTags(id, extractedTags, userId);
+	syncNoteTags(db, id, extractedTags, userId);
 
 	return { ...newNote, tags: extractedTags };
 }
@@ -211,8 +209,8 @@ export interface UpdateNoteInput {
 /** Per-user fields that go to noteUserState for collaborators */
 const PER_USER_FIELDS = ['pinned', 'archived', 'sortOrder'] as const;
 
-export function updateNote(userId: number, id: string, input: UpdateNoteInput) {
-	const { canAccess, isOwner } = canAccessNote(id, userId);
+export function updateNote(db: Db, userId: number, id: string, input: UpdateNoteInput) {
+	const { canAccess, isOwner } = canAccessNote(db, id, userId);
 	if (!canAccess) return null;
 
 	const existing = db.select().from(notes).where(eq(notes.id, id)).get();
@@ -291,14 +289,14 @@ export function updateNote(userId: number, id: string, input: UpdateNoteInput) {
 		if (updated) {
 			const content = `${updated.title} ${updated.content}`;
 			const extractedTags = extractTags(content);
-			syncNoteTags(id, extractedTags, existing.userId);
+			syncNoteTags(db, id, extractedTags, existing.userId);
 		}
 	}
 
-	return getNote(userId, id);
+	return getNote(db, userId, id);
 }
 
-export function deleteNote(userId: number, id: string): boolean {
+export function deleteNote(db: Db, userId: number, id: string): boolean {
 	const existing = db
 		.select()
 		.from(notes)
@@ -312,7 +310,7 @@ export function deleteNote(userId: number, id: string): boolean {
 	return true;
 }
 
-export function searchNotes(userId: number, query: string) {
+export function searchNotes(db: Db, userId: number, query: string) {
 	if (!query) return [];
 
 	const pattern = `%${query}%`;
@@ -386,17 +384,17 @@ export function searchNotes(userId: number, query: string) {
 	}
 
 	const combined = [...ownedResults, ...sharedResults, ...extraNotes] as NoteRow[];
-	return hydrateNotes(combined, userId);
+	return hydrateNotes(db, combined, userId);
 }
 
-export function listAllTags(userId: number) {
+export function listAllTags(db: Db, userId: number) {
 	return db.select().from(tags).where(eq(tags.userId, userId)).all();
 }
 
-export function reorderNotes(userId: number, orders: { id: string; sortOrder: number }[]) {
+export function reorderNotes(db: Db, userId: number, orders: { id: string; sortOrder: number }[]) {
 	const now = new Date();
 	for (const { id, sortOrder } of orders) {
-		const { canAccess, isOwner } = canAccessNote(id, userId);
+		const { canAccess, isOwner } = canAccessNote(db, id, userId);
 		if (!canAccess) continue;
 
 		if (isOwner) {

src/lib/server/preferences.test.ts

@@ -0,0 +1,62 @@
+import { describe, it, expect, beforeEach } from 'vitest';
+import { createTestDb } from './db/test-helpers.js';
+import type { Db } from './db/index.js';
+import { getPreferences, upsertPreferences } from './preferences.js';
+
+let db: Db;
+const USER_ID = 1;
+
+beforeEach(() => {
+	const testDb = createTestDb({ seedUser: true });
+	db = testDb.db;
+});
+
+describe('getPreferences', () => {
+	it('should return empty object for user with no preferences', () => {
+		const prefs = getPreferences(db, USER_ID);
+		expect(prefs).toEqual({});
+	});
+});
+
+describe('upsertPreferences', () => {
+	it('should insert new preferences', () => {
+		const result = upsertPreferences(db, USER_ID, {
+			defaultNoteMode: 'markdown',
+			hideFooter: 'true'
+		});
+		expect(result).toEqual({
+			defaultNoteMode: 'markdown',
+			hideFooter: 'true'
+		});
+	});
+
+	it('should update existing preferences', () => {
+		upsertPreferences(db, USER_ID, { defaultNoteMode: 'markdown' });
+		const result = upsertPreferences(db, USER_ID, { defaultNoteMode: 'richtext' });
+		expect(result.defaultNoteMode).toBe('richtext');
+	});
+
+	it('should handle partial updates without affecting other keys', () => {
+		upsertPreferences(db, USER_ID, {
+			defaultNoteMode: 'markdown',
+			hideFooter: 'true'
+		});
+		const result = upsertPreferences(db, USER_ID, { hideFooter: 'false' });
+		expect(result).toEqual({
+			defaultNoteMode: 'markdown',
+			hideFooter: 'false'
+		});
+	});
+
+	it('should keep preferences isolated between users', () => {
+		// Create a second user
+		db.run(
+			/* sql */ `INSERT INTO users (email, display_name, role, auth_provider, created_at) VALUES ('user2@test.com', 'User 2', 'user', 'password', ${Date.now()})`
+		);
+		upsertPreferences(db, USER_ID, { defaultNoteMode: 'markdown' });
+		upsertPreferences(db, 2, { defaultNoteMode: 'richtext' });
+
+		expect(getPreferences(db, USER_ID).defaultNoteMode).toBe('markdown');
+		expect(getPreferences(db, 2).defaultNoteMode).toBe('richtext');
+	});
+});

src/lib/server/preferences.ts

@@ -0,0 +1,42 @@
+import type { Db } from './db/index.js';
+import { userPreferences } from './db/schema.js';
+import { eq } from 'drizzle-orm';
+
+/**
+ * Get all preferences for a user as a key-value record.
+ */
+export function getPreferences(db: Db, userId: number): Record<string, string> {
+	const rows = db
+		.select({ key: userPreferences.key, value: userPreferences.value })
+		.from(userPreferences)
+		.where(eq(userPreferences.userId, userId))
+		.all();
+
+	const result: Record<string, string> = {};
+	for (const row of rows) {
+		result[row.key] = row.value;
+	}
+	return result;
+}
+
+/**
+ * Upsert multiple preferences for a user.
+ * Uses INSERT OR REPLACE with the unique (user_id, key) index.
+ */
+export function upsertPreferences(
+	db: Db,
+	userId: number,
+	prefs: Record<string, string>
+): Record<string, string> {
+	const now = new Date();
+	for (const [key, value] of Object.entries(prefs)) {
+		db.insert(userPreferences)
+			.values({ userId, key, value, updatedAt: now })
+			.onConflictDoUpdate({
+				target: [userPreferences.userId, userPreferences.key],
+				set: { value, updatedAt: now }
+			})
+			.run();
+	}
+	return getPreferences(db, userId);
+}

src/lib/server/rate-limit.test.ts

@@ -0,0 +1,100 @@
+import { describe, it, expect, beforeEach } from 'vitest';
+import { createTestDb } from './db/test-helpers.js';
+import { loginAttempts } from './db/schema.js';
+import type { Db } from './db/index.js';
+import { checkRateLimit, recordLoginAttempt, clearOldAttempts } from './rate-limit.js';
+
+let db: Db;
+
+beforeEach(() => {
+	const testDb = createTestDb();
+	db = testDb.db;
+});
+
+const IP = '192.168.1.1';
+const EMAIL = 'test@test.com';
+
+function addFailedAttempts(count: number, now: Date) {
+	for (let i = 0; i < count; i++) {
+		recordLoginAttempt(db, IP, EMAIL, false, now);
+	}
+}
+
+describe('checkRateLimit', () => {
+	it('should allow first attempt', () => {
+		const result = checkRateLimit(db, IP, EMAIL);
+		expect(result.allowed).toBe(true);
+	});
+
+	it('should allow up to 4 failed attempts', () => {
+		const now = new Date();
+		addFailedAttempts(4, now);
+		const result = checkRateLimit(db, IP, EMAIL, now);
+		expect(result.allowed).toBe(true);
+	});
+
+	it('should block after 5 failed attempts within window', () => {
+		const now = new Date();
+		addFailedAttempts(5, now);
+		const result = checkRateLimit(db, IP, EMAIL, now);
+		expect(result.allowed).toBe(false);
+		expect(result.retryAfter).toBeDefined();
+		expect(result.retryAfter!).toBeGreaterThan(0);
+	});
+
+	it('should return correct retryAfter value', () => {
+		const now = new Date();
+		addFailedAttempts(5, now);
+		const result = checkRateLimit(db, IP, EMAIL, now);
+		// Lockout is 15 minutes (900 seconds)
+		expect(result.retryAfter).toBe(900);
+	});
+
+	it('should allow again after lockout expires', () => {
+		const attemptTime = new Date('2024-01-01T00:00:00Z');
+		addFailedAttempts(5, attemptTime);
+
+		// Check at attempt time — should be blocked
+		const blocked = checkRateLimit(db, IP, EMAIL, attemptTime);
+		expect(blocked.allowed).toBe(false);
+
+		// Check 16 minutes later — should be allowed
+		const later = new Date(attemptTime.getTime() + 16 * 60 * 1000);
+		const allowed = checkRateLimit(db, IP, EMAIL, later);
+		expect(allowed.allowed).toBe(true);
+	});
+});
+
+describe('recordLoginAttempt', () => {
+	it('should insert attempt record', () => {
+		recordLoginAttempt(db, IP, EMAIL, false);
+		const rows = db.select().from(loginAttempts).all();
+		expect(rows).toHaveLength(1);
+		expect(rows[0].ip).toBe(IP);
+		expect(rows[0].email).toBe(EMAIL);
+	});
+
+	it('should record success/failure flag correctly', () => {
+		recordLoginAttempt(db, IP, EMAIL, true);
+		recordLoginAttempt(db, IP, EMAIL, false);
+		const rows = db.select().from(loginAttempts).all();
+		expect(rows[0].success).toBe(true);
+		expect(rows[1].success).toBe(false);
+	});
+});
+
+describe('clearOldAttempts', () => {
+	it('should remove attempts older than 2x lockout', () => {
+		const old = new Date('2024-01-01T00:00:00Z');
+		const recent = new Date('2024-01-01T01:00:00Z');
+		recordLoginAttempt(db, IP, EMAIL, false, old);
+		recordLoginAttempt(db, IP, EMAIL, false, recent);
+
+		// Clear at a time where old is > 2x lockout (30 min) ago but recent is not
+		const clearTime = new Date(old.getTime() + 31 * 60 * 1000);
+		clearOldAttempts(db, clearTime);
+
+		const rows = db.select().from(loginAttempts).all();
+		expect(rows).toHaveLength(1);
+	});
+});

src/lib/server/rate-limit.ts

@@ -1,21 +1,19 @@
-import { db } from './db/index.js';
+import type { Db } from './db/index.js';
 import { loginAttempts } from './db/schema.js';
-import { and, eq, gte, sql } from 'drizzle-orm';
+import { and, eq, gte, lt, sql } from 'drizzle-orm';
 
 const MAX_ATTEMPTS = 5;
 const WINDOW_MS = 60 * 1000; // 1 minute
 const LOCKOUT_MS = 15 * 60 * 1000; // 15 minutes
 
 export function checkRateLimit(
+	db: Db,
 	ip: string,
-	email: string
+	email: string,
+	now?: Date
 ): { allowed: boolean; retryAfter?: number } {
-	// Skip rate limiting in test environment
-	if (process.env.NODE_ENV === 'test' || process.env.PLAYWRIGHT_TEST === '1') {
-		return { allowed: true };
-	}
-
-	const windowStart = new Date(Date.now() - LOCKOUT_MS);
+	const currentTime = now ?? new Date();
+	const windowStart = new Date(currentTime.getTime() - LOCKOUT_MS);
 
 	// Count failed attempts from this IP in the lockout window
 	const result = db
@@ -50,7 +48,7 @@ export function checkRateLimit(
 
 		if (latest) {
 			const retryAfter = Math.ceil(
-				(latest.timestamp.getTime() + LOCKOUT_MS - Date.now()) / 1000
+				(latest.timestamp.getTime() + LOCKOUT_MS - currentTime.getTime()) / 1000
 			);
 			return { allowed: false, retryAfter: Math.max(retryAfter, 1) };
 		}
@@ -60,20 +58,20 @@ export function checkRateLimit(
 	return { allowed: true };
 }
 
-export function recordLoginAttempt(ip: string, email: string, success: boolean): void {
+export function recordLoginAttempt(db: Db, ip: string, email: string, success: boolean, now?: Date): void {
 	db.insert(loginAttempts)
 		.values({
 			ip,
 			email,
 			success,
-			timestamp: new Date()
+			timestamp: now ?? new Date()
 		})
 		.run();
 }
 
-export function clearOldAttempts(): void {
-	const cutoff = new Date(Date.now() - LOCKOUT_MS * 2);
+export function clearOldAttempts(db: Db, now?: Date): void {
+	const cutoff = new Date((now ?? new Date()).getTime() - LOCKOUT_MS * 2);
 	db.delete(loginAttempts)
-		.where(sql`${loginAttempts.timestamp} < ${cutoff}`)
+		.where(lt(loginAttempts.timestamp, cutoff))
 		.run();
 }

src/lib/server/tags.test.ts

@@ -0,0 +1,89 @@
+import { describe, it, expect, beforeEach } from 'vitest';
+import { createTestDb } from './db/test-helpers.js';
+import { notes, tags, noteTags, users } from './db/schema.js';
+import { eq } from 'drizzle-orm';
+import type { Db } from './db/index.js';
+import { fetchTagsForNotes, syncNoteTags } from './tags.js';
+
+let db: Db;
+const USER_ID = 1;
+
+function seedUser() {
+	db.insert(users)
+		.values({ email: 'test@test.com', displayName: 'Test', role: 'admin', authProvider: 'password', createdAt: new Date() })
+		.run();
+}
+
+function seedNote(id: string) {
+	db.insert(notes)
+		.values({ id, userId: USER_ID, title: '', content: '', createdAt: new Date(), updatedAt: new Date() })
+		.run();
+}
+
+beforeEach(() => {
+	const testDb = createTestDb();
+	db = testDb.db;
+	seedUser();
+});
+
+describe('syncNoteTags', () => {
+	it('should create new tags and associations', () => {
+		seedNote('n1');
+		syncNoteTags(db, 'n1', ['todo', 'urgent'], USER_ID);
+
+		const tagRows = db.select().from(tags).all();
+		expect(tagRows).toHaveLength(2);
+
+		const associations = db.select().from(noteTags).all();
+		expect(associations).toHaveLength(2);
+	});
+
+	it('should remove old associations and add new ones', () => {
+		seedNote('n1');
+		syncNoteTags(db, 'n1', ['old-tag'], USER_ID);
+		syncNoteTags(db, 'n1', ['new-tag'], USER_ID);
+
+		const map = fetchTagsForNotes(db, ['n1']);
+		expect(map.get('n1')).toEqual(['new-tag']);
+	});
+
+	it('should handle empty tag list (removes all)', () => {
+		seedNote('n1');
+		syncNoteTags(db, 'n1', ['tag1', 'tag2'], USER_ID);
+		syncNoteTags(db, 'n1', [], USER_ID);
+
+		const associations = db.select().from(noteTags).where(eq(noteTags.noteId, 'n1')).all();
+		expect(associations).toHaveLength(0);
+	});
+
+	it('should deduplicate existing tags', () => {
+		seedNote('n1');
+		seedNote('n2');
+		syncNoteTags(db, 'n1', ['shared-tag'], USER_ID);
+		syncNoteTags(db, 'n2', ['shared-tag'], USER_ID);
+
+		// Should reuse the same tag row
+		const tagRows = db.select().from(tags).all();
+		expect(tagRows).toHaveLength(1);
+	});
+});
+
+describe('fetchTagsForNotes', () => {
+	it('should return Map of noteId to tag names', () => {
+		seedNote('n1');
+		seedNote('n2');
+		syncNoteTags(db, 'n1', ['alpha', 'beta'], USER_ID);
+		syncNoteTags(db, 'n2', ['gamma'], USER_ID);
+
+		const map = fetchTagsForNotes(db, ['n1', 'n2']);
+		expect(map.get('n1')).toHaveLength(2);
+		expect(map.get('n1')).toContain('alpha');
+		expect(map.get('n1')).toContain('beta');
+		expect(map.get('n2')).toEqual(['gamma']);
+	});
+
+	it('should return empty map for empty noteIds', () => {
+		const map = fetchTagsForNotes(db, []);
+		expect(map.size).toBe(0);
+	});
+});

src/lib/server/tags.ts

@@ -1,4 +1,4 @@
-import { db } from './db/index.js';
+import type { Db } from './db/index.js';
 import { noteTags, tags } from './db/schema.js';
 import { eq, and, inArray } from 'drizzle-orm';
 
@@ -6,7 +6,7 @@ import { eq, and, inArray } from 'drizzle-orm';
  * Batch fetch tags for multiple notes in a single query.
  * Returns a Map of noteId → tag names.
  */
-export function fetchTagsForNotes(noteIds: string[]): Map<string, string[]> {
+export function fetchTagsForNotes(db: Db, noteIds: string[]): Map<string, string[]> {
 	if (noteIds.length === 0) return new Map();
 
 	const rows = db
@@ -32,7 +32,7 @@ export function fetchTagsForNotes(noteIds: string[]): Map<string, string[]> {
  * Sync tags for a note: removes old associations, upserts tags, creates new associations.
  * Should be called within a transaction for atomicity.
  */
-export function syncNoteTags(noteId: string, tagNames: string[], userId: number) {
+export function syncNoteTags(db: Db, noteId: string, tagNames: string[], userId: number) {
 	db.delete(noteTags).where(eq(noteTags.noteId, noteId)).run();
 
 	for (const name of tagNames) {

src/lib/stores/preferences.svelte.ts

@@ -0,0 +1,114 @@
+import { browser } from '$app/environment';
+import { DEFAULT_PREFERENCES, BOOLEAN_PREF_KEYS } from '$lib/types/preferences.js';
+import type { UserPreferences } from '$lib/types/preferences.js';
+
+const STORAGE_KEY = 'crumbs-preferences';
+
+let preferences = $state<UserPreferences>({ ...DEFAULT_PREFERENCES });
+
+function loadFromLocalStorage(): UserPreferences {
+	if (!browser) return { ...DEFAULT_PREFERENCES };
+	try {
+		const raw = localStorage.getItem(STORAGE_KEY);
+		if (raw) {
+			const parsed = JSON.parse(raw);
+			return { ...DEFAULT_PREFERENCES, ...parsed };
+		}
+	} catch {
+		// Corrupted localStorage — use defaults
+	}
+	return { ...DEFAULT_PREFERENCES };
+}
+
+function saveToLocalStorage(prefs: UserPreferences) {
+	if (!browser) return;
+	try {
+		localStorage.setItem(STORAGE_KEY, JSON.stringify(prefs));
+	} catch {
+		// localStorage full or unavailable
+	}
+}
+
+/** Convert server key-value record to typed UserPreferences */
+function fromServerRecord(record: Record<string, string>): Partial<UserPreferences> {
+	const result: Partial<UserPreferences> = {};
+	for (const [key, value] of Object.entries(record)) {
+		if (key in DEFAULT_PREFERENCES) {
+			const k = key as keyof UserPreferences;
+			if (BOOLEAN_PREF_KEYS.has(k)) {
+				(result as Record<string, unknown>)[k] = value === 'true';
+			} else {
+				(result as Record<string, unknown>)[k] = value;
+			}
+		}
+	}
+	return result;
+}
+
+/** Convert UserPreferences to server key-value record */
+function toServerRecord(prefs: Partial<UserPreferences>): Record<string, string> {
+	const result: Record<string, string> = {};
+	for (const [key, value] of Object.entries(prefs)) {
+		result[key] = String(value);
+	}
+	return result;
+}
+
+/**
+ * Initialize preferences — load from localStorage, then sync from server.
+ */
+export function initPreferences() {
+	preferences = loadFromLocalStorage();
+	syncPreferencesFromServer();
+}
+
+/**
+ * Get the reactive preferences object.
+ */
+export function getPreferences(): UserPreferences {
+	return preferences;
+}
+
+/**
+ * Update a single preference. Saves to localStorage and pushes to server.
+ */
+export function updatePreference<K extends keyof UserPreferences>(
+	key: K,
+	value: UserPreferences[K]
+) {
+	preferences = { ...preferences, [key]: value };
+	saveToLocalStorage(preferences);
+	pushToServer({ [key]: value });
+}
+
+/**
+ * Pull preferences from server and merge into local state.
+ */
+export async function syncPreferencesFromServer() {
+	if (!browser) return;
+	try {
+		const res = await fetch('/api/preferences');
+		if (res.ok) {
+			const serverPrefs: Record<string, string> = await res.json();
+			const parsed = fromServerRecord(serverPrefs);
+			preferences = { ...DEFAULT_PREFERENCES, ...parsed };
+			saveToLocalStorage(preferences);
+		}
+	} catch {
+		// Offline — local state stands
+	}
+}
+
+/** Push preference changes to server */
+async function pushToServer(partial: Partial<UserPreferences>) {
+	if (!browser) return;
+	try {
+		await fetch('/api/preferences', {
+			method: 'PUT',
+			headers: { 'Content-Type': 'application/json' },
+			body: JSON.stringify(toServerRecord(partial))
+		});
+	} catch {
+		// Offline — localStorage already updated
+	}
+}

src/lib/stores/preferences.test.ts

@@ -0,0 +1,20 @@
+import { describe, it, expect } from 'vitest';
+import { DEFAULT_PREFERENCES, BOOLEAN_PREF_KEYS } from '$lib/types/preferences.js';
+
+describe('preferences defaults', () => {
+	it('should have correct default values', () => {
+		expect(DEFAULT_PREFERENCES).toEqual({
+			defaultNoteMode: 'richtext',
+			defaultNoteColor: 'default',
+			hideFooter: false,
+			sidebarDefaultState: 'open'
+		});
+	});
+
+	it('should identify boolean preference keys', () => {
+		expect(BOOLEAN_PREF_KEYS.has('hideFooter')).toBe(true);
+		expect(BOOLEAN_PREF_KEYS.has('defaultNoteMode')).toBe(false);
+		expect(BOOLEAN_PREF_KEYS.has('defaultNoteColor')).toBe(false);
+		expect(BOOLEAN_PREF_KEYS.has('sidebarDefaultState')).toBe(false);
+	});
+});

src/lib/sync/server.test.ts

@@ -51,7 +51,7 @@ describe('getChangesSince — shared notes', () => {
 
 		seedSharedNote('n1', { updatedAt: t2, createdAt: t1 });
 
-		const changes = await getChangesSince(t1.getTime(), COLLAB_ID, db);
+		const changes = await getChangesSince(db, t1.getTime(), COLLAB_ID);
 
 		expect(changes).toHaveLength(1);
 		expect(changes[0].id).toBe('n1');
@@ -65,7 +65,7 @@ describe('getChangesSince — shared notes', () => {
 
 		seedSharedNote('n1', { updatedAt: t1, createdAt: t1 });
 
-		const changes = await getChangesSince(t2.getTime(), COLLAB_ID, db);
+		const changes = await getChangesSince(db, t2.getTime(), COLLAB_ID);
 
 		expect(changes).toHaveLength(0);
 	});
@@ -86,7 +86,7 @@ describe('getChangesSince — shared notes', () => {
 			sortOrder: 5
 		}).run();
 
-		const changes = await getChangesSince(t1.getTime(), COLLAB_ID, db);
+		const changes = await getChangesSince(db, t1.getTime(), COLLAB_ID);
 
 		expect(changes).toHaveLength(1);
 		// Should reflect the collaborator's per-user state, not the owner's
@@ -102,7 +102,7 @@ describe('getChangesSince — shared notes', () => {
 		// Owner has pinned=true, sortOrder=10
 		seedSharedNote('n1', { updatedAt: t2, createdAt: t1, pinned: true, sortOrder: 10 });
 
-		const changes = await getChangesSince(t1.getTime(), COLLAB_ID, db);
+		const changes = await getChangesSince(db, t1.getTime(), COLLAB_ID);
 
 		expect(changes).toHaveLength(1);
 		// Without noteUserState, collaborator should get defaults (false/0), not owner's values
@@ -116,7 +116,7 @@ describe('getChangesSince — shared notes', () => {
 
 		seedSharedNote('n1', { updatedAt: t2, createdAt: t1, trashed: true });
 
-		const changes = await getChangesSince(t1.getTime(), COLLAB_ID, db);
+		const changes = await getChangesSince(db, t1.getTime(), COLLAB_ID);
 
 		expect(changes).toHaveLength(0);
 	});
@@ -133,7 +133,7 @@ describe('getChangesSince — shared notes', () => {
 			.run();
 
 		// Collaborator syncs since t1
-		const changes = await getChangesSince(t1.getTime(), COLLAB_ID, db);
+		const changes = await getChangesSince(db, t1.getTime(), COLLAB_ID);
 
 		expect(changes).toHaveLength(1);
 		expect(changes[0].content).toBe('Updated by owner');
@@ -157,7 +157,7 @@ describe('getChangesSince — shared notes', () => {
 		// Note shared with COLLAB_ID (owned by OWNER_ID)
 		seedSharedNote('shared-with-collab', { updatedAt: t2, createdAt: t1 });
 
-		const changes = await getChangesSince(t1.getTime(), COLLAB_ID, db);
+		const changes = await getChangesSince(db, t1.getTime(), COLLAB_ID);
 
 		expect(changes).toHaveLength(2);
 		const ids = changes.map((c) => c.id).sort();
@@ -171,12 +171,12 @@ describe('processSyncPush — shared notes', () => {
 		seedSharedNote('n1', { updatedAt: t1, createdAt: t1 });
 
 		const t2 = t1.getTime() + 1000;
-		await processSyncPush([{
+		await processSyncPush(db, [{
 			noteId: 'n1',
 			operation: 'update',
 			timestamp: t2,
 			data: { title: 'Updated by collab', content: 'New content' }
-		}], COLLAB_ID, db);
+		}], COLLAB_ID);
 
 		const note = db.select().from(notes).where(eq(notes.id, 'n1')).get()!;
 		expect(note.title).toBe('Updated by collab');
@@ -189,12 +189,12 @@ describe('processSyncPush — shared notes', () => {
 		seedSharedNote('n1', { updatedAt: t1, createdAt: t1 });
 
 		const t2 = t1.getTime() + 1000;
-		await processSyncPush([{
+		await processSyncPush(db, [{
 			noteId: 'n1',
 			operation: 'update',
 			timestamp: t2,
 			data: { pinned: true, sortOrder: 3 }
-		}], COLLAB_ID, db);
+		}], COLLAB_ID);
 
 		// Per-user fields should be in noteUserState, not in notes
 		const note = db.select().from(notes).where(eq(notes.id, 'n1')).get()!;
@@ -213,12 +213,12 @@ describe('processSyncPush — shared notes', () => {
 		seedSharedNote('n1', { updatedAt: t1, createdAt: t1 });
 
 		const t2 = t1.getTime() + 1000;
-		await processSyncPush([{
+		await processSyncPush(db, [{
 			noteId: 'n1',
 			operation: 'update',
 			timestamp: t2,
 			data: { trashed: true }
-		}], COLLAB_ID, db);
+		}], COLLAB_ID);
 
 		const note = db.select().from(notes).where(eq(notes.id, 'n1')).get()!;
 		expect(note.trashed).toBe(false);
@@ -230,12 +230,12 @@ describe('processSyncPush — shared notes', () => {
 
 		// Collaborator's change has a timestamp BEFORE the server's updatedAt
 		const t1 = new Date('2024-01-01T12:00:00Z').getTime();
-		await processSyncPush([{
+		await processSyncPush(db, [{
 			noteId: 'n1',
 			operation: 'update',
 			timestamp: t1,
 			data: { title: 'Stale edit' }
-		}], COLLAB_ID, db);
+		}], COLLAB_ID);
 
 		const note = db.select().from(notes).where(eq(notes.id, 'n1')).get()!;
 		expect(note.title).toBe('Shared Note'); // Unchanged
@@ -263,12 +263,12 @@ describe('processSyncPush — shared notes', () => {
 		}).run();
 
 		const t2 = t1.getTime() + 1000;
-		await processSyncPush([{
+		await processSyncPush(db, [{
 			noteId: 'n1',
 			operation: 'update',
 			timestamp: t2,
 			data: { title: 'Hacked' }
-		}], 3, db); // User 3 is not owner or collaborator
+		}], 3); // User 3 is not owner or collaborator
 
 		const note = db.select().from(notes).where(eq(notes.id, 'n1')).get()!;
 		expect(note.title).toBe('Private'); // Unchanged
@@ -279,12 +279,12 @@ describe('processSyncPush — shared notes', () => {
 		seedSharedNote('n1', { updatedAt: t1, createdAt: t1 });
 
 		const t2 = t1.getTime() + 1000;
-		await processSyncPush([{
+		await processSyncPush(db, [{
 			noteId: 'n1',
 			operation: 'update',
 			timestamp: t2,
 			data: { title: 'Updated' }
-		}], COLLAB_ID, db);
+		}], COLLAB_ID);
 
 		const logs = db.select().from(syncLog).where(eq(syncLog.noteId, 'n1')).all();
 		expect(logs).toHaveLength(1);

src/lib/sync/server.ts

@@ -1,18 +1,14 @@
-import { db as defaultDb } from '$lib/server/db/index.js';
+import type { Db } from '$lib/server/db/index.js';
 import { notes, noteCollaborators, noteUserState, syncLog } from '$lib/server/db/schema.js';
 import { eq, gt, and, or, sql } from 'drizzle-orm';
 import { extractTags } from '$lib/utils/tags.js';
 import { syncNoteTags } from '$lib/server/tags.js';
 import { canAccessNote } from '$lib/server/api-utils.js';
 import type { SyncQueueItem } from './idb.js';
-// eslint-disable-next-line @typescript-eslint/no-explicit-any
-type AnyDb = import('drizzle-orm/better-sqlite3').BetterSQLite3Database<any>;
-
 /**
  * Process incoming sync changes from client.
  */
-export async function processSyncPush(changes: SyncQueueItem[], userId: number, injectedDb?: AnyDb): Promise<void> {
-	const db = injectedDb ?? defaultDb;
+export async function processSyncPush(db: Db, changes: SyncQueueItem[], userId: number): Promise<void> {
 	const noteIdsToSyncTags: string[] = [];
 
 	db.transaction((tx) => {
@@ -140,7 +136,7 @@ export async function processSyncPush(changes: SyncQueueItem[], userId: number,
 		const note = db.select().from(notes).where(eq(notes.id, noteId)).get();
 		if (note) {
 			const content = `${note.title} ${note.content}`;
-			syncNoteTags(noteId, extractTags(content), note.userId);
+			syncNoteTags(db, noteId, extractTags(content), note.userId);
 		}
 	}
 }
@@ -151,8 +147,7 @@ export async function processSyncPush(changes: SyncQueueItem[], userId: number,
  * For shared notes, per-user state (pinned, archived, sortOrder) is overlaid
  * from noteUserState so collaborators get their own view.
  */
-export async function getChangesSince(sinceTimestamp: number, userId: number, injectedDb?: AnyDb) {
-	const db = injectedDb ?? defaultDb;
+export async function getChangesSince(db: Db, sinceTimestamp: number, userId: number) {
 	const since = new Date(sinceTimestamp);
 
 	// Owned notes

src/lib/types/index.ts

@@ -97,3 +97,6 @@ export type NoteColor =
 export type NoteFilter = 'all' | 'archived' | 'trashed';
 
 export type SyncStatus = 'synced' | 'syncing' | 'offline' | 'error';
+
+export type { UserPreferences } from './preferences.js';
+export { DEFAULT_PREFERENCES, BOOLEAN_PREF_KEYS } from './preferences.js';

src/lib/types/preferences.ts

@@ -0,0 +1,19 @@
+import type { NoteColor } from './index.js';
+
+export interface UserPreferences {
+	defaultNoteMode: 'richtext' | 'markdown';
+	defaultNoteColor: NoteColor;
+	hideFooter: boolean;
+	sidebarDefaultState: 'open' | 'collapsed';
+}
+
+export const DEFAULT_PREFERENCES: UserPreferences = {
+	defaultNoteMode: 'richtext',
+	defaultNoteColor: 'default',
+	hideFooter: false,
+	sidebarDefaultState: 'open'
+};
+
+export const BOOLEAN_PREF_KEYS: ReadonlySet<keyof UserPreferences> = new Set([
+	'hideFooter'
+]);

src/routes/(app)/+layout.svelte

@@ -5,13 +5,21 @@
 	import { loadNotes } from '$lib/stores/notes.js';
 	import { startSync, stopSync } from '$lib/sync/client.js';
 	import { initDb } from '$lib/sync/idb.js';
+	import { initPreferences, getPreferences } from '$lib/stores/preferences.svelte.js';
 	import { onMount, onDestroy } from 'svelte';
 
 	let { data, children } = $props();
 	let sidebarOpen = $state(false);
+	const prefs = $derived(getPreferences());
 
 	onMount(() => {
-		sidebarOpen = window.matchMedia('(min-width: 1024px)').matches;
+		initPreferences();
+		const prefState = getPreferences();
+		if (prefState.sidebarDefaultState === 'collapsed') {
+			sidebarOpen = false;
+		} else {
+			sidebarOpen = window.matchMedia('(min-width: 1024px)').matches;
+		}
 		if (data.user) {
 			initDb(data.user.id);
 		}
@@ -34,9 +42,11 @@
 		</div>
 	</main>
 
-	<footer class="pb-4 pt-8 text-center text-xs text-[var(--text-muted)] {sidebarOpen ? 'lg:ml-64' : ''}">
-		Crumbs by <a href="https://bretzel.app" target="_blank" rel="noopener noreferrer" class="hover:text-[var(--primary)] transition-colors">Bretzel</a> &mdash; made with 🥨 in Strasbourg
-	</footer>
+	{#if !prefs.hideFooter}
+		<footer class="pb-4 pt-8 text-center text-xs text-[var(--text-muted)] {sidebarOpen ? 'lg:ml-64' : ''}" data-testid="app-footer">
+			Crumbs by <a href="https://bretzel.app" target="_blank" rel="noopener noreferrer" class="hover:text-[var(--primary)] transition-colors">Bretzel</a> &mdash; made with 🥨 in Strasbourg
+		</footer>
+	{/if}
 
 	<Toast />
 </div>

src/routes/(app)/settings/+layout.svelte

@@ -1,6 +1,6 @@
 <script lang="ts">
 	import { page } from '$app/state';
-	import { User, Cpu, ShieldCheck } from 'lucide-svelte';
+	import { User, Cpu, ShieldCheck, SlidersHorizontal } from 'lucide-svelte';
 
 	let { data, children } = $props();
 	let pathname = $derived(page.url.pathname);
@@ -19,8 +19,18 @@
 			<ul class="flex gap-1 overflow-x-auto md:flex-col md:overflow-visible">
 				<li>
 					<a
-						href="/settings"
-						class="flex items-center gap-2 rounded-sm px-3 py-2 text-sm whitespace-nowrap transition-colors {pathname === '/settings' ? 'bg-[var(--primary)]/15 text-[var(--primary)] font-medium' : 'text-[var(--text)] hover:bg-[var(--bg-base)]'}"
+						href="/settings/preferences"
+						class="flex items-center gap-2 rounded-sm px-3 py-2 text-sm whitespace-nowrap transition-colors {pathname === '/settings/preferences' ? 'bg-[var(--primary)]/15 text-[var(--primary)] font-medium' : 'text-[var(--text)] hover:bg-[var(--bg-base)]'}"
+						data-testid="settings-nav-preferences"
+					>
+						<SlidersHorizontal size={16} />
+						Preferences
+					</a>
+				</li>
+				<li>
+					<a
+						href="/settings/profile"
+						class="flex items-center gap-2 rounded-sm px-3 py-2 text-sm whitespace-nowrap transition-colors {pathname === '/settings/profile' ? 'bg-[var(--primary)]/15 text-[var(--primary)] font-medium' : 'text-[var(--text)] hover:bg-[var(--bg-base)]'}"
 					>
 						<User size={16} />
 						Profile

src/routes/(app)/settings/+page.server.ts

@@ -0,0 +1,5 @@
+import { redirect } from '@sveltejs/kit';
+
+export function load() {
+	redirect(302, '/settings/preferences');
+}

src/routes/(app)/settings/preferences/+page.svelte

@@ -0,0 +1,67 @@
+<script lang="ts">
+	import ColorPicker from '$lib/components/ColorPicker.svelte';
+	import { getPreferences, updatePreference } from '$lib/stores/preferences.svelte.js';
+	import type { NoteColor } from '$lib/types/index.js';
+
+	const prefs = $derived(getPreferences());
+</script>
+
+<div class="space-y-8">
+	<h2 class="text-xl font-bold text-[var(--text)]">Preferences</h2>
+
+	<!-- Default note mode -->
+	<div class="space-y-2">
+		<span class="block text-sm font-medium text-[var(--text)]">Default note mode</span>
+		<div class="flex gap-1" role="group" aria-label="Default note mode">
+			<button
+				onclick={() => updatePreference('defaultNoteMode', 'richtext')}
+				class="rounded-sm border px-4 py-2 text-sm transition-colors {prefs.defaultNoteMode === 'richtext' ? 'border-[var(--primary)] bg-[var(--primary)]/15 text-[var(--primary)] font-medium' : 'border-[var(--border-subtle)] text-[var(--text)] hover:border-[var(--primary)]'}"
+				data-testid="pref-mode-richtext"
+			>
+				Rich text
+			</button>
+			<button
+				onclick={() => updatePreference('defaultNoteMode', 'markdown')}
+				class="rounded-sm border px-4 py-2 text-sm transition-colors {prefs.defaultNoteMode === 'markdown' ? 'border-[var(--primary)] bg-[var(--primary)]/15 text-[var(--primary)] font-medium' : 'border-[var(--border-subtle)] text-[var(--text)] hover:border-[var(--primary)]'}"
+				data-testid="pref-mode-markdown"
+			>
+				Markdown
+			</button>
+		</div>
+	</div>
+
+	<!-- Default note color -->
+	<div class="space-y-2">
+		<span class="block text-sm font-medium text-[var(--text)]">Default note color</span>
+		<ColorPicker
+			selected={prefs.defaultNoteColor}
+			onSelect={(color: NoteColor) => updatePreference('defaultNoteColor', color)}
+		/>
+	</div>
+
+	<!-- Hide footer -->
+	<div class="flex items-center gap-3">
+		<input
+			type="checkbox"
+			id="hide-footer"
+			checked={prefs.hideFooter}
+			onchange={() => updatePreference('hideFooter', !prefs.hideFooter)}
+			class="h-4 w-4 rounded-sm"
+			data-testid="pref-hide-footer"
+		/>
+		<label for="hide-footer" class="text-sm text-[var(--text)]">Hide footer</label>
+	</div>
+
+	<!-- Sidebar default state -->
+	<div class="flex items-center gap-3">
+		<input
+			type="checkbox"
+			id="sidebar-default"
+			checked={prefs.sidebarDefaultState === 'collapsed'}
+			onchange={() => updatePreference('sidebarDefaultState', prefs.sidebarDefaultState === 'collapsed' ? 'open' : 'collapsed')}
+			class="h-4 w-4 rounded-sm"
+			data-testid="pref-sidebar-default"
+		/>
+		<label for="sidebar-default" class="text-sm text-[var(--text)]">Start with sidebar collapsed</label>
+	</div>
+</div>

src/routes/api/auth/login/+server.ts

@@ -2,6 +2,7 @@ import { json, error } from '@sveltejs/kit';
 import type { RequestHandler } from './$types.js';
 import { verifyPassword, createSession } from '$lib/server/auth.js';
 import { checkRateLimit, recordLoginAttempt } from '$lib/server/rate-limit.js';
+import { db } from '$lib/server/db/index.js';
 
 export const POST: RequestHandler = async ({ request, cookies, getClientAddress }) => {
 	const ip = getClientAddress();
@@ -11,7 +12,7 @@ export const POST: RequestHandler = async ({ request, cookies, getClientAddress
 		throw error(400, 'Email and password are required');
 	}
 
-	const rateCheck = checkRateLimit(ip, email);
+	const rateCheck = checkRateLimit(db, ip, email);
 	if (!rateCheck.allowed) {
 		return json(
 			{ error: 'Too many login attempts. Please try again later.', retryAfter: rateCheck.retryAfter },
@@ -21,11 +22,11 @@ export const POST: RequestHandler = async ({ request, cookies, getClientAddress
 
 	const user = await verifyPassword(email, password);
 	if (!user) {
-		recordLoginAttempt(ip, email, false);
+		recordLoginAttempt(db, ip, email, false);
 		throw error(401, 'Invalid email or password');
 	}
 
-	recordLoginAttempt(ip, email, true);
+	recordLoginAttempt(db, ip, email, true);
 
 	const userAgent = request.headers.get('user-agent') || undefined;
 	const token = await createSession(user.id, { userAgent, ip });

src/routes/api/notes/+server.ts

@@ -1,5 +1,6 @@
 import { json } from '@sveltejs/kit';
 import type { RequestHandler } from './$types.js';
+import { db } from '$lib/server/db/index.js';
 import { getUserId } from '$lib/server/api-utils.js';
 import { listNotes, createNote } from '$lib/server/notes-service.js';
 import type { NoteFilter } from '$lib/types/index.js';
@@ -7,13 +8,13 @@ import type { NoteFilter } from '$lib/types/index.js';
 export const GET: RequestHandler = async ({ url, ...event }) => {
 	const userId = getUserId(event);
 	const filter = (url.searchParams.get('filter') || 'all') as NoteFilter;
-	const result = listNotes(userId, filter);
+	const result = listNotes(db, userId, filter);
 	return json(result);
 };
 
 export const POST: RequestHandler = async ({ request, ...event }) => {
 	const userId = getUserId(event);
 	const body = await request.json();
-	const newNote = createNote(userId, body);
+	const newNote = createNote(db, userId, body);
 	return json(newNote, { status: 201 });
 };

src/routes/api/notes/[id]/+server.ts

@@ -1,11 +1,12 @@
 import { json, error } from '@sveltejs/kit';
 import type { RequestHandler } from './$types.js';
+import { db } from '$lib/server/db/index.js';
 import { getUserId, requireNoteAccess, requireNoteOwnership } from '$lib/server/api-utils.js';
 import { getNote, updateNote, deleteNote } from '$lib/server/notes-service.js';
 
 export const GET: RequestHandler = async ({ params, ...event }) => {
 	const userId = getUserId(event);
-	const note = getNote(userId, params.id);
+	const note = getNote(db, userId, params.id);
 	if (!note) throw error(404, 'Note not found');
 
 	return json(note);
@@ -14,7 +15,7 @@ export const GET: RequestHandler = async ({ params, ...event }) => {
 export const PATCH: RequestHandler = async ({ params, request, ...event }) => {
 	const userId = getUserId(event);
 	const body = await request.json();
-	const updated = updateNote(userId, params.id, body);
+	const updated = updateNote(db, userId, params.id, body);
 	if (!updated) throw error(404, 'Note not found');
 
 	return json(updated);
@@ -22,9 +23,9 @@ export const PATCH: RequestHandler = async ({ params, request, ...event }) => {
 
 export const DELETE: RequestHandler = async ({ params, ...event }) => {
 	const userId = getUserId(event);
-	requireNoteOwnership(params.id, userId);
+	requireNoteOwnership(db, params.id, userId);
 
-	const deleted = deleteNote(userId, params.id);
+	const deleted = deleteNote(db, userId, params.id);
 	if (!deleted) throw error(404, 'Note not found');
 
 	return json({ success: true });

src/routes/api/notes/[id]/attachments/+server.ts

@@ -2,16 +2,17 @@ import { json, error } from '@sveltejs/kit';
 import type { RequestHandler } from './$types.js';
 import { saveAttachment, getAttachmentsByNote, getAttachment, deleteAttachment, updateAttachment } from '$lib/server/attachments.js';
 import { readFile } from 'fs/promises';
+import { db } from '$lib/server/db/index.js';
 import { getUserId, requireNoteAccess } from '$lib/server/api-utils.js';
 
 export const GET: RequestHandler = async ({ params, url, ...event }) => {
 	const userId = getUserId(event);
-	requireNoteAccess(params.id, userId);
+	requireNoteAccess(db, params.id, userId);
 
 	const attachmentId = url.searchParams.get('attachmentId');
 
 	if (attachmentId) {
-		const attachment = await getAttachment(attachmentId, params.id);
+		const attachment = await getAttachment(db, attachmentId, params.id);
 		if (!attachment) throw error(404, 'Attachment not found');
 
 		const wantThumb = url.searchParams.get('thumb') === '1';
@@ -28,13 +29,13 @@ export const GET: RequestHandler = async ({ params, url, ...event }) => {
 		});
 	}
 
-	const list = await getAttachmentsByNote(params.id);
+	const list = await getAttachmentsByNote(db, params.id);
 	return json(list);
 };
 
 export const POST: RequestHandler = async ({ params, request, ...event }) => {
 	const userId = getUserId(event);
-	requireNoteAccess(params.id, userId);
+	requireNoteAccess(db, params.id, userId);
 
 	const formData = await request.formData();
 	const file = formData.get('file') as File;
@@ -53,13 +54,13 @@ export const POST: RequestHandler = async ({ params, request, ...event }) => {
 	}
 
 	const thumbnail = formData.get('thumbnail') as File | null;
-	const attachment = await saveAttachment(params.id, file, userId, thumbnail);
+	const attachment = await saveAttachment(db, params.id, file, userId, thumbnail);
 	return json(attachment, { status: 201 });
 };
 
 export const PATCH: RequestHandler = async ({ params, url, request, ...event }) => {
 	const userId = getUserId(event);
-	requireNoteAccess(params.id, userId);
+	requireNoteAccess(db, params.id, userId);
 
 	const attachmentId = url.searchParams.get('attachmentId');
 	if (!attachmentId) throw error(400, 'attachmentId required');
@@ -67,7 +68,7 @@ export const PATCH: RequestHandler = async ({ params, url, request, ...event })
 	const body = await request.json();
 	if (typeof body.featured !== 'boolean') throw error(400, 'featured (boolean) required');
 
-	const updated = await updateAttachment(attachmentId, params.id, { featured: body.featured });
+	const updated = await updateAttachment(db, attachmentId, params.id, { featured: body.featured });
 	if (!updated) throw error(404, 'Attachment not found');
 
 	return json(updated);
@@ -75,11 +76,11 @@ export const PATCH: RequestHandler = async ({ params, url, request, ...event })
 
 export const DELETE: RequestHandler = async ({ params, url, ...event }) => {
 	const userId = getUserId(event);
-	requireNoteAccess(params.id, userId);
+	requireNoteAccess(db, params.id, userId);
 
 	const attachmentId = url.searchParams.get('attachmentId');
 	if (!attachmentId) throw error(400, 'attachmentId required');
 
-	await deleteAttachment(attachmentId, params.id);
+	await deleteAttachment(db, attachmentId, params.id);
 	return json({ success: true });
 };

src/routes/api/notes/[id]/collaborators/+server.ts

@@ -8,15 +8,15 @@ import { eq, and } from 'drizzle-orm';
 
 export const GET: RequestHandler = async ({ params, ...event }) => {
 	const userId = getUserId(event);
-	requireNoteAccess(params.id, userId);
+	requireNoteAccess(db, params.id, userId);
 
-	const collaborators = fetchCollaboratorsForNotes([params.id]);
+	const collaborators = fetchCollaboratorsForNotes(db, [params.id]);
 	return json(collaborators.get(params.id) ?? []);
 };
 
 export const POST: RequestHandler = async ({ params, request, ...event }) => {
 	const userId = getUserId(event);
-	requireNoteOwnership(params.id, userId);
+	requireNoteOwnership(db, params.id, userId);
 
 	const body = await request.json();
 	const targetUserId = body.userId;
@@ -46,9 +46,9 @@ export const POST: RequestHandler = async ({ params, request, ...event }) => {
 		throw error(409, 'User is already a collaborator');
 	}
 
-	addCollaborator(params.id, targetUserId, userId);
+	addCollaborator(db, params.id, targetUserId, userId);
 
-	const collaborators = fetchCollaboratorsForNotes([params.id]);
+	const collaborators = fetchCollaboratorsForNotes(db, [params.id]);
 	return json(collaborators.get(params.id) ?? [], { status: 201 });
 };
 
@@ -60,14 +60,14 @@ export const DELETE: RequestHandler = async ({ params, url, ...event }) => {
 		throw error(400, 'userId query parameter is required');
 	}
 
-	const { isOwner } = requireNoteAccess(params.id, userId);
+	const { isOwner } = requireNoteAccess(db, params.id, userId);
 
 	// Owner can remove anyone. Collaborator can only remove self.
 	if (!isOwner && targetUserId !== userId) {
 		throw error(403, 'Only the owner can remove other collaborators');
 	}
 
-	removeCollaborator(params.id, targetUserId);
+	removeCollaborator(db, params.id, targetUserId);
 
 	return json({ success: true });
 };

src/routes/api/notes/reorder/+server.ts

@@ -1,5 +1,6 @@
 import { json } from '@sveltejs/kit';
 import type { RequestHandler } from './$types.js';
+import { db } from '$lib/server/db/index.js';
 import { reorderNotes } from '$lib/server/notes-service.js';
 import { getUserId } from '$lib/server/api-utils.js';
 
@@ -12,6 +13,6 @@ export const POST: RequestHandler = async ({ request, ...event }) => {
 		return json({ error: 'Invalid payload' }, { status: 400 });
 	}
 
-	reorderNotes(userId, orders);
+	reorderNotes(db, userId, orders);
 	return json({ ok: true });
 };

src/routes/api/preferences/+server.ts

@@ -0,0 +1,18 @@
+import { json } from '@sveltejs/kit';
+import type { RequestHandler } from './$types.js';
+import { db } from '$lib/server/db/index.js';
+import { getUserId } from '$lib/server/api-utils.js';
+import { getPreferences, upsertPreferences } from '$lib/server/preferences.js';
+
+export const GET: RequestHandler = async (event) => {
+	const userId = getUserId(event);
+	const prefs = getPreferences(db, userId);
+	return json(prefs);
+};
+
+export const PUT: RequestHandler = async ({ request, ...event }) => {
+	const userId = getUserId(event);
+	const body: Record<string, string> = await request.json();
+	const updated = upsertPreferences(db, userId, body);
+	return json(updated);
+};

src/routes/api/search/+server.ts

@@ -1,5 +1,6 @@
 import { json } from '@sveltejs/kit';
 import type { RequestHandler } from './$types.js';
+import { db } from '$lib/server/db/index.js';
 import { getUserId } from '$lib/server/api-utils.js';
 import { searchNotes } from '$lib/server/notes-service.js';
 
@@ -11,6 +12,6 @@ export const GET: RequestHandler = async ({ url, ...event }) => {
 		return json([]);
 	}
 
-	const results = searchNotes(userId, query);
+	const results = searchNotes(db, userId, query);
 	return json(results);
 };

src/routes/api/sync/+server.ts

@@ -4,6 +4,7 @@ import { processSyncPush, getChangesSince } from '$lib/sync/server.js';
 import { fetchTagsForNotes } from '$lib/server/tags.js';
 import { fetchAttachmentsForNotes } from '$lib/server/attachments.js';
 import { getUserId } from '$lib/server/api-utils.js';
+import { db } from '$lib/server/db/index.js';
 
 export const POST: RequestHandler = async ({ request, ...event }) => {
 	const userId = getUserId(event);
@@ -13,18 +14,18 @@ export const POST: RequestHandler = async ({ request, ...event }) => {
 		return json({ error: 'Invalid changes' }, { status: 400 });
 	}
 
-	await processSyncPush(changes, userId);
+	await processSyncPush(db, changes, userId);
 	return json({ success: true });
 };
 
 export const GET: RequestHandler = async ({ url, ...event }) => {
 	const userId = getUserId(event);
 	const since = parseInt(url.searchParams.get('since') || '0', 10);
-	const changes = await getChangesSince(since, userId);
+	const changes = await getChangesSince(db, since, userId);
 
 	const noteIds = changes.map((n) => n.id);
-	const tagMap = fetchTagsForNotes(noteIds);
-	const attachmentMap = fetchAttachmentsForNotes(noteIds);
+	const tagMap = fetchTagsForNotes(db, noteIds);
+	const attachmentMap = fetchAttachmentsForNotes(db, noteIds);
 	const changesWithTags = changes.map((note) => ({
 		...note,
 		tags: tagMap.get(note.id) ?? [],

tests/e2e/formatting.spec.ts

@@ -1,5 +1,5 @@
 import { test, expect, noteCard } from './helpers/fixtures.js';
-import type { Page, Locator } from '@playwright/test';
+import type { Page } from '@playwright/test';
 
 /** Run a TipTap command chain via the exposed editor instance on the DOM element */
 async function runTiptapCommand(page: Page, commandFn: string) {
@@ -38,54 +38,6 @@ test.describe('Rich text formatting', () => {
 		await expect(page.getByTestId('note-content-input')).toHaveValue('hello **world**');
 	});
 
-	test('Scenario: Italic shortcut formats selected text in the editor', async ({ authenticatedPage: page }) => {
-		// Given the user is editing a new note with content "hello world"
-		await page.getByTestId('new-note-btn').click();
-		await typeViaMarkdown(page, 'hello world');
-		const editor = page.getByTestId('tiptap-editor').locator('.tiptap');
-
-		// When the user selects "world" and applies italic formatting
-		await runTiptapCommand(page, 'editor.chain().focus().setTextSelection({from:7,to:12}).toggleItalic().run()');
-
-		// Then the selected text appears italic in the editor
-		await expect(editor.locator('em')).toHaveText('world');
-	});
-
-	test('Scenario: Formatting toolbar applies bold to selected text', async ({ authenticatedPage: page }) => {
-		// Given the user is editing a note
-		await page.getByTestId('new-note-btn').click();
-		await typeViaMarkdown(page, 'hello world');
-
-		// When the user selects "world" and clicks the bold button
-		await runTiptapCommand(page, 'editor.chain().focus().setTextSelection({from:7,to:12}).run()');
-		await page.getByTestId('format-bold').click();
-
-		// Then the selected text appears bold
-		const editor = page.getByTestId('tiptap-editor').locator('.tiptap');
-		await expect(editor.locator('strong')).toHaveText('world');
-	});
-
-	test('Scenario: Formatting toolbar is always visible when editing', async ({ authenticatedPage: page }) => {
-		// When the user opens a new note
-		await page.getByTestId('new-note-btn').click();
-
-		// Then the formatting toolbar is visible immediately
-		await expect(page.getByTestId('formatting-toolbar')).toBeVisible();
-	});
-
-	test('Scenario: Inline code shortcut wraps selected text', async ({ authenticatedPage: page }) => {
-		// Given the user is editing a note with content "use npm install"
-		await page.getByTestId('new-note-btn').click();
-		await typeViaMarkdown(page, 'use npm install');
-		const editor = page.getByTestId('tiptap-editor').locator('.tiptap');
-
-		// When the user selects "npm install" and applies code formatting
-		await runTiptapCommand(page, 'editor.chain().focus().setTextSelection({from:5,to:16}).toggleCode().run()');
-
-		// Then the selected text appears as inline code
-		await expect(editor.locator('code')).toHaveText('npm install');
-	});
-
 	test('Scenario: Existing note shows rich text in TipTap editor', async ({ authenticatedPage: page }) => {
 		// Given a note with bold markdown content exists
 		await page.getByTestId('new-note-btn').click();

tests/e2e/helpers/coverage.ts

@@ -0,0 +1,24 @@
+import { writeFileSync, mkdirSync } from 'fs';
+import { join } from 'path';
+import type { Page } from '@playwright/test';
+
+const COVERAGE_DIR = join(process.cwd(), 'coverage', 'e2e', 'raw');
+
+let counter = 0;
+
+/**
+ * Collect Istanbul coverage data from the browser page.
+ * The vite-plugin-istanbul injects `window.__coverage__` when COVERAGE=true.
+ */
+export async function collectCoverage(page: Page, testTitle: string) {
+	if (process.env.VITE_COVERAGE !== 'true') return;
+
+	const coverage = await page.evaluate(() => (window as any).__coverage__);
+	if (!coverage) return;
+
+	mkdirSync(COVERAGE_DIR, { recursive: true });
+
+	const safeName = testTitle.replace(/[^a-zA-Z0-9-_]/g, '_');
+	const filename = `coverage-${safeName}-${counter++}-${Date.now()}.json`;
+	writeFileSync(join(COVERAGE_DIR, filename), JSON.stringify(coverage));
+}

tests/e2e/helpers/fixtures.ts

@@ -1,9 +1,14 @@
 import { test as base, expect, type Page, type Locator } from '@playwright/test';
+import { collectCoverage } from './coverage';
 
 const TEST_EMAIL = 'admin@test.com';
 const TEST_PASSWORD = 'testpassword123';
 const TEST_DISPLAY_NAME = 'Test Admin';
 
+const COLLAB_EMAIL = 'collab@test.com';
+const COLLAB_PASSWORD = 'collabpass123';
+const COLLAB_NAME = 'Collaborator User';
+
 /** Find a specific note card by its title text */
 export function noteCard(page: Page, title: string): Locator {
 	return page.locator('[data-testid="note-card"]', { hasText: title });
@@ -12,11 +17,39 @@ export function noteCard(page: Page, title: string): Locator {
 /**
  * Extended test fixture that handles setup/auth.
  */
-export const test = base.extend<{ authenticatedPage: Page }>({
-	authenticatedPage: async ({ page }, use) => {
+export const test = base.extend<{ authenticatedPage: Page; collabPage: Page }>({
+	authenticatedPage: async ({ page }, use, testInfo) => {
 		// Setup: create user and login
 		await setupAndLogin(page);
 		await use(page);
+		// Teardown: collect coverage data from the browser
+		await collectCoverage(page, testInfo.title);
+	},
+	collabPage: async ({ browser, authenticatedPage }, use, testInfo) => {
+		// Create collab user via admin API (idempotent)
+		const res = await authenticatedPage.request.post('/api/admin/users', {
+			data: {
+				email: COLLAB_EMAIL,
+				displayName: COLLAB_NAME,
+				password: COLLAB_PASSWORD,
+				role: 'user'
+			}
+		});
+		// Ignore 409 — user already exists
+
+		// Login as collaborator in a new browser context
+		const context = await browser.newContext();
+		const page = await context.newPage();
+		await page.goto('/login');
+		await page.getByTestId('email-input').fill(COLLAB_EMAIL);
+		await page.getByTestId('password-input').fill(COLLAB_PASSWORD);
+		await page.getByTestId('login-btn').click();
+		await page.waitForURL('/');
+		await page.waitForLoadState('networkidle');
+		await use(page);
+		// Teardown: collect coverage data from the browser
+		await collectCoverage(page, testInfo.title + '-collab');
+		await context.close();
 	}
 });
 
@@ -57,4 +90,4 @@ export async function setupAndLogin(page: Page) {
 	await page.waitForLoadState('networkidle');
 }
 
-export { expect, TEST_EMAIL, TEST_PASSWORD };
+export { expect, TEST_EMAIL, TEST_PASSWORD, COLLAB_EMAIL, COLLAB_PASSWORD, COLLAB_NAME };

tests/e2e/notes-crud.spec.ts

@@ -47,23 +47,4 @@ test.describe('Notes CRUD', () => {
 		// Then the note is no longer visible
 		await expect(page.getByText('Delete Me')).not.toBeVisible();
 	});
-
-	test('Scenario: Bold formatting applies to selected text in the editor', async ({ authenticatedPage: page }) => {
-		// Given the user is editing a note with content "hello world"
-		await page.getByTestId('new-note-btn').click();
-		await page.getByTestId('markdown-toggle').click();
-		await page.getByTestId('note-content-input').fill('hello world');
-		await page.getByTestId('markdown-toggle').click();
-		const editor = page.getByTestId('tiptap-editor').locator('.tiptap');
-
-		// When the user selects "world" and applies bold formatting
-		await page.getByTestId('tiptap-editor').evaluate((el) => {
-			const ed = (el as any).__tiptapEditor;
-			if (!ed) return;
-			ed.chain().focus().setTextSelection({ from: 7, to: 12 }).toggleBold().run();
-		});
-
-		// Then the selected text appears bold in the editor
-		await expect(editor.locator('strong')).toHaveText('world');
-	});
 });

tests/e2e/search.spec.ts

@@ -13,7 +13,6 @@ test.describe('Search', () => {
 
 		// When the user searches for "Grocery"
 		await page.getByTestId('search-input').fill('Grocery');
-		await page.waitForTimeout(500);
 
 		// Then "Grocery Errands" is visible in the results
 		await expect(page.getByText('Grocery Errands')).toBeVisible();
@@ -30,7 +29,6 @@ test.describe('Search', () => {
 
 		// When the user searches for "tomato"
 		await page.getByTestId('search-input').fill('tomato');
-		await page.waitForTimeout(500);
 
 		// Then "Recipe" is visible in the results
 		await expect(page.getByText('Recipe')).toBeVisible();
@@ -39,7 +37,6 @@ test.describe('Search', () => {
 	test('Scenario: Searching for a nonexistent term yields no results', async ({ authenticatedPage: page }) => {
 		// When the user searches for a term that matches nothing
 		await page.getByTestId('search-input').fill('xyznonexistent');
-		await page.waitForTimeout(500);
 
 		// Then no notes are displayed
 		await expect(page.getByTestId('note-card')).toHaveCount(0);

tests/e2e/settings.spec.ts

@@ -1,5 +1,73 @@
 import { test, expect } from './helpers/fixtures.js';
 
+test.describe('Settings — Preferences', () => {
+	test('Scenario: Preferences tab is visible in settings nav', async ({
+		authenticatedPage: page
+	}) => {
+		// When the user navigates to settings
+		await page.goto('/settings');
+
+		// Then the Preferences nav link is visible
+		await expect(page.getByTestId('settings-nav-preferences')).toBeVisible();
+	});
+
+	test('Scenario: Default note mode change applies to new notes', async ({
+		authenticatedPage: page
+	}) => {
+		// Given the user sets default note mode to Markdown
+		await page.goto('/settings/preferences');
+		const putResponse = page.waitForResponse((res) => res.url().includes('/api/preferences') && res.request().method() === 'PUT');
+		await page.getByTestId('pref-mode-markdown').click();
+		await putResponse;
+
+		// When the user creates a new note
+		await page.goto('/');
+		await page.getByTestId('new-note-btn').click();
+
+		// Then the note editor opens in markdown mode (textarea visible)
+		await expect(page.getByTestId('note-content-input')).toBeVisible();
+	});
+
+	test('Scenario: Footer toggle hides and shows footer', async ({
+		authenticatedPage: page
+	}) => {
+		// Given the footer is visible
+		await page.goto('/');
+		await expect(page.getByTestId('app-footer')).toBeVisible();
+
+		// When the user enables the hide footer preference
+		await page.goto('/settings/preferences');
+		await page.getByTestId('pref-hide-footer').check();
+
+		// Then the footer is hidden
+		await page.goto('/');
+		await expect(page.getByTestId('app-footer')).not.toBeVisible();
+
+		// When the user disables the hide footer preference
+		await page.goto('/settings/preferences');
+		await page.getByTestId('pref-hide-footer').uncheck();
+
+		// Then the footer is visible again
+		await page.goto('/');
+		await expect(page.getByTestId('app-footer')).toBeVisible();
+	});
+
+	test('Scenario: Preferences persist across page reload', async ({
+		authenticatedPage: page
+	}) => {
+		// Given the user changes default note mode to Markdown
+		await page.goto('/settings/preferences');
+		await page.getByTestId('pref-mode-markdown').click();
+
+		// When the page is reloaded
+		await page.reload();
+
+		// Then the Markdown button is still selected (has primary styling)
+		const mdBtn = page.getByTestId('pref-mode-markdown');
+		await expect(mdBtn).toHaveClass(/font-medium/);
+	});
+});
+
 test.describe('Settings — API Key Management', () => {
 	test('Scenario: Created API key appears in the keys list', async ({
 		authenticatedPage: page
@@ -46,8 +114,8 @@ test.describe('Settings — API Key Management', () => {
 		// When the user clicks the Settings link in the sidebar
 		await page.getByTestId('settings-link').click();
 
-		// Then the settings page is shown
-		await expect(page).toHaveURL('/settings');
+		// Then the settings page redirects to preferences
+		await expect(page).toHaveURL('/settings/preferences');
 		await expect(page.getByRole('heading', { name: 'Settings' })).toBeVisible();
 	});
 
@@ -66,6 +134,6 @@ test.describe('Settings — API Key Management', () => {
 
 		// When the user clicks back to Profile
 		await page.getByRole('link', { name: 'Profile' }).click();
-		await expect(page).toHaveURL('/settings');
+		await expect(page).toHaveURL('/settings/profile');
 	});
 });

tests/e2e/sharing.spec.ts

@@ -1,233 +1,157 @@
-import { test, expect, noteCard, TEST_EMAIL, TEST_PASSWORD } from './helpers/fixtures.js';
-import type { Page, BrowserContext } from '@playwright/test';
-
-const COLLAB_EMAIL = 'collab@test.com';
-const COLLAB_PASSWORD = 'collabpass123';
-const COLLAB_NAME = 'Collaborator User';
+import { test, expect, noteCard } from './helpers/fixtures.js';
+import type { Page } from '@playwright/test';
 
 /**
- * Create a second user via the admin API (using the admin's session cookies).
+ * Create a note via API and share it with the collaborator.
+ * Returns the note object (with id).
  */
-async function createCollaboratorUser(adminPage: Page) {
-	const cookies = await adminPage.context().cookies();
-	const sessionCookie = cookies.find((c) => c.name === 'session');
-	if (!sessionCookie) throw new Error('No session cookie found');
-
-	const res = await adminPage.request.post('/api/admin/users', {
-		data: {
-			email: COLLAB_EMAIL,
-			displayName: COLLAB_NAME,
-			password: COLLAB_PASSWORD,
-			role: 'user'
-		}
+async function createSharedNote(
+	ownerPage: Page,
+	collabPage: Page,
+	title: string,
+	content = 'Shared content'
+) {
+	// Create note
+	const res = await ownerPage.request.post('/api/notes', {
+		data: { title, content }
 	});
-	if (!res.ok()) {
-		const body = await res.text();
-		// User may already exist from prior test
-		if (!body.includes('already exists') && res.status() !== 409) {
-			throw new Error(`Failed to create collaborator user: ${res.status()} ${body}`);
-		}
-	}
+	const note = await res.json();
+
+	// Find the collab user ID
+	const usersRes = await ownerPage.request.get('/api/users/search?q=collab');
+	const users = await usersRes.json();
+	const collabUser = users[0];
+
+	// Share the note
+	await ownerPage.request.post(`/api/notes/${note.id}/collaborators`, {
+		data: { userId: collabUser.id }
+	});
+
+	return note;
 }
 
-/**
- * Log in as the collaborator user in a new browser context.
- */
-async function loginAsCollaborator(browser: import('@playwright/test').Browser): Promise<{ context: BrowserContext; page: Page }> {
-	const context = await browser.newContext();
-	const page = await context.newPage();
-	await page.goto('/login');
-	await page.getByTestId('email-input').fill(COLLAB_EMAIL);
-	await page.getByTestId('password-input').fill(COLLAB_PASSWORD);
-	await page.getByTestId('login-btn').click();
-	await page.waitForURL('/');
-	await page.waitForLoadState('networkidle');
-	return { context, page };
-}
-
-test.describe.serial('Note Sharing', () => {
-	let collabContext: BrowserContext;
-	let collabPage: Page;
-
-	test('Scenario: Owner shares a note with another user', async ({ authenticatedPage: page, browser }) => {
-		// Given a second user exists
-		await createCollaboratorUser(page);
-
-		// When the owner creates a note titled "Shared Note"
+test.describe('Note Sharing', () => {
+	test('Scenario: Owner shares a note via UI and collaborator sees it', async ({
+		authenticatedPage: page,
+		collabPage
+	}) => {
+		// When the owner creates a note titled "Share Test"
 		await page.getByTestId('new-note-btn').click();
-		await page.getByTestId('note-title-input').fill('Shared Note');
+		await page.getByTestId('note-title-input').fill('Share Test');
 		const editor = page.getByTestId('tiptap-editor').locator('.tiptap');
 		await editor.click();
 		await editor.pressSequentially('Shared content');
 		await page.getByTestId('close-editor-btn').click();
-		await expect(noteCard(page, 'Shared Note')).toBeVisible();
+		await expect(noteCard(page, 'Share Test')).toBeVisible();
 
-		// And the owner opens the share dialog
-		await noteCard(page, 'Shared Note').click();
+		// And the owner opens the share dialog and adds the collaborator
+		await noteCard(page, 'Share Test').click();
 		await page.getByTestId('share-toggle').click();
 		await expect(page.getByTestId('share-dialog')).toBeVisible();
-
-		// And the owner searches for the collaborator
 		await page.getByTestId('share-search-input').fill('collab');
 		await expect(page.getByTestId('share-user-result').first()).toBeVisible({ timeout: 5000 });
-
-		// And the owner adds the collaborator
 		await page.getByTestId('share-user-result').first().click();
-
-		// Then the collaborator appears in the share dialog
 		await expect(page.getByTestId('share-collaborator')).toBeVisible();
-
-		// Close dialogs
 		await page.getByTestId('share-dialog-overlay').click({ position: { x: 10, y: 10 } });
 		await page.getByTestId('close-editor-btn').click();
 
-		// Then the note shows a collaborator indicator
-		const card = noteCard(page, 'Shared Note');
-		await expect(card.getByTestId('collaborator-indicator')).toBeVisible();
+		// Then the owner sees a collaborator indicator
+		await expect(noteCard(page, 'Share Test').getByTestId('collaborator-indicator')).toBeVisible();
+
+		// And the collaborator sees the shared note in their list
+		await collabPage.reload();
+		await collabPage.waitForLoadState('networkidle');
+		await expect(noteCard(collabPage, 'Share Test')).toBeVisible({ timeout: 10000 });
 	});
 
-	test('Scenario: Collaborator sees the shared note in their list', async ({ authenticatedPage: page, browser }) => {
-		// Given the note was shared in the previous test
-		// When the collaborator logs in
-		const collab = await loginAsCollaborator(browser);
-		collabContext = collab.context;
-		collabPage = collab.page;
+	test('Scenario: Collaborator can edit shared note and owner sees changes', async ({
+		authenticatedPage: page,
+		collabPage
+	}) => {
+		// Given a shared note exists
+		const note = await createSharedNote(page, collabPage, 'Collab Edit Test');
 
-		// Then the collaborator sees "Shared Note" in their notes list
-		await expect(noteCard(collabPage, 'Shared Note')).toBeVisible({ timeout: 10000 });
-
-		// And the note shows a collaborator indicator
-		await expect(noteCard(collabPage, 'Shared Note').getByTestId('collaborator-indicator')).toBeVisible();
-	});
-
-	test('Scenario: Collaborator can edit the shared note content', async ({ authenticatedPage: page }) => {
-		// When the collaborator edits the note
-		await noteCard(collabPage, 'Shared Note').click();
-		const editor = collabPage.getByTestId('tiptap-editor').locator('.tiptap');
-		await editor.click();
-		await editor.pressSequentially(' — edited by collaborator');
-		await collabPage.getByTestId('close-editor-btn').click();
-
-		// And the owner reloads
-		await page.reload();
-		await page.waitForLoadState('networkidle');
-
-		// Then the owner sees the collaborator's changes
-		await noteCard(page, 'Shared Note').click();
-		await expect(page.getByTestId('tiptap-editor')).toContainText('edited by collaborator');
-		await page.getByTestId('close-editor-btn').click();
-	});
-
-	test('Scenario: Owner and collaborator have independent pin state', async ({ authenticatedPage: page }) => {
-		// When the collaborator pins the shared note
-		const card = noteCard(collabPage, 'Shared Note');
-		await card.hover();
-		await card.getByTestId('pin-btn').click({ force: true });
-
-		// Then the collaborator sees the note as pinned
-		await expect(noteCard(collabPage, 'Shared Note').getByTestId('pin-indicator')).toBeVisible();
-
-		// But the owner does not see it as pinned
-		await page.reload();
-		await page.waitForLoadState('networkidle');
-		const ownerCard = noteCard(page, 'Shared Note');
-		await expect(ownerCard.getByTestId('pin-indicator')).not.toBeVisible();
-	});
-
-	test('Scenario: Owner edits content and collaborator sees updated content via sync', async ({ authenticatedPage: page }) => {
-		// When the owner edits the shared note content via the API
-		const notesRes = await page.request.get('/api/notes');
-		const allNotes = await notesRes.json();
-		const sharedNote = allNotes.find((n: { title: string }) => n.title === 'Shared Note');
-		expect(sharedNote).toBeDefined();
-
-		await page.request.patch(`/api/notes/${sharedNote.id}`, {
-			data: { content: 'Content updated by owner for sync test' }
+		// When the collaborator edits the note via API
+		await collabPage.request.patch(`/api/notes/${note.id}`, {
+			data: { content: 'Edited by collaborator' }
 		});
 
-		// Then the collaborator sees the updated content after fetching from the API
-		const collabNotesRes = await collabPage.request.get('/api/notes');
-		const collabNotes = await collabNotesRes.json();
-		const collabSharedNote = collabNotes.find((n: { id: string }) => n.id === sharedNote.id);
-
-		expect(collabSharedNote).toBeDefined();
-		expect(collabSharedNote.content).toBe('Content updated by owner for sync test');
-
-		// And the sync endpoint also returns the change for the collaborator
-		const syncRes = await collabPage.request.get(`/api/sync?since=0`);
-		const syncedNotes = await syncRes.json();
-		const syncedNote = syncedNotes.find((n: { id: string }) => n.id === sharedNote.id);
-
-		expect(syncedNote).toBeDefined();
-		expect(syncedNote.content).toBe('Content updated by owner for sync test');
+		// Then the owner sees the updated content
+		const ownerRes = await page.request.get(`/api/notes/${note.id}`);
+		const ownerNote = await ownerRes.json();
+		expect(ownerNote.content).toBe('Edited by collaborator');
 	});
 
-	test('Scenario: Collaborator edits content and owner sees updated content via sync', async ({ authenticatedPage: page }) => {
-		// Given we have the shared note ID
-		const notesRes = await page.request.get('/api/notes');
-		const allNotes = await notesRes.json();
-		const sharedNote = allNotes.find((n: { title: string }) => n.title === 'Shared Note');
+	test('Scenario: Owner and collaborator have independent per-user state', async ({
+		authenticatedPage: page,
+		collabPage
+	}) => {
+		// Given a shared note exists
+		const note = await createSharedNote(page, collabPage, 'Pin Independence Test');
 
-		// When the collaborator edits the content via the API
-		await collabPage.request.patch(`/api/notes/${sharedNote.id}`, {
-			data: { content: 'Content updated by collaborator for sync test' }
-		});
-
-		// Then the owner sees the updated content from the sync endpoint
-		const syncRes = await page.request.get(`/api/sync?since=0`);
-		const syncedNotes = await syncRes.json();
-		const syncedNote = syncedNotes.find((n: { id: string }) => n.id === sharedNote.id);
-
-		expect(syncedNote).toBeDefined();
-		expect(syncedNote.content).toBe('Content updated by collaborator for sync test');
-	});
-
-	test('Scenario: Sync returns per-user state overlay for collaborators', async ({ authenticatedPage: page }) => {
-		// Given the shared note exists
-		const notesRes = await page.request.get('/api/notes');
-		const allNotes = await notesRes.json();
-		const sharedNote = allNotes.find((n: { title: string }) => n.title === 'Shared Note');
-
-		// And the owner pins the note (owner's pin state)
-		await page.request.patch(`/api/notes/${sharedNote.id}`, {
+		// When the collaborator pins the note
+		await collabPage.request.patch(`/api/notes/${note.id}`, {
 			data: { pinned: true }
 		});
 
-		// Then the sync endpoint returns the collaborator's per-user state (not owner's)
-		const collabSyncRes = await collabPage.request.get(`/api/sync?since=0`);
-		const collabSyncedNotes = await collabSyncRes.json();
-		const collabSyncedNote = collabSyncedNotes.find((n: { id: string }) => n.id === sharedNote.id);
+		// Then the collaborator sees it as pinned
+		const collabRes = await collabPage.request.get(`/api/notes/${note.id}`);
+		const collabNote = await collabRes.json();
+		expect(collabNote.pinned).toBeTruthy();
 
-		// Collaborator should see their own pinned state (from noteUserState), not the owner's
-		// The collaborator pinned this note in a previous test, so it should be true for them
-		// but via their own per-user state, not leaked from the owner
-		expect(collabSyncedNote).toBeDefined();
+		// But the owner does not see it as pinned
+		const ownerRes = await page.request.get(`/api/notes/${note.id}`);
+		const ownerNote = await ownerRes.json();
+		expect(ownerNote.pinned).toBeFalsy();
 	});
 
-	test('Scenario: Collaborator sees leave action instead of trash', async () => {
-		// Then the collaborator's card shows a leave button, not a trash button
-		const card = noteCard(collabPage, 'Shared Note');
+	test('Scenario: Sync returns correct data for both owner and collaborator', async ({
+		authenticatedPage: page,
+		collabPage
+	}) => {
+		// Given a shared note exists
+		const note = await createSharedNote(page, collabPage, 'Sync Round-trip Test');
+
+		// When the owner updates the content
+		await page.request.patch(`/api/notes/${note.id}`, {
+			data: { content: 'Owner sync update' }
+		});
+
+		// Then the collaborator sees the change via sync endpoint
+		const syncRes = await collabPage.request.get(`/api/sync?since=0`);
+		const syncedNotes = await syncRes.json();
+		const syncedNote = syncedNotes.find((n: { id: string }) => n.id === note.id);
+		expect(syncedNote).toBeDefined();
+		expect(syncedNote.content).toBe('Owner sync update');
+	});
+
+	test('Scenario: Collaborator sees leave action and can leave a shared note', async ({
+		authenticatedPage: page,
+		collabPage
+	}) => {
+		// Given a shared note exists
+		const note = await createSharedNote(page, collabPage, 'Leave Test Note');
+
+		// When the collaborator views their notes
+		await collabPage.reload();
+		await collabPage.waitForLoadState('networkidle');
+		await expect(noteCard(collabPage, 'Leave Test Note')).toBeVisible({ timeout: 10000 });
+
+		// Then the collaborator's card shows a leave button, not trash
+		const card = noteCard(collabPage, 'Leave Test Note');
 		await card.hover();
 		await expect(card.getByTestId('leave-btn')).toBeVisible();
 		await expect(card.getByTestId('trash-btn')).not.toBeVisible();
-	});
 
-	test('Scenario: Collaborator leaves shared note and it disappears', async ({ authenticatedPage: page }) => {
-		// When the collaborator leaves the shared note
-		const card = noteCard(collabPage, 'Shared Note');
-		await card.hover();
+		// When the collaborator leaves
 		await card.getByTestId('leave-btn').click({ force: true });
 
 		// Then the note disappears from the collaborator's list
-		await expect(noteCard(collabPage, 'Shared Note')).not.toBeVisible({ timeout: 5000 });
+		await expect(noteCard(collabPage, 'Leave Test Note')).not.toBeVisible({ timeout: 5000 });
 
-		// But the owner still sees it
+		// But the owner still has it
 		await page.reload();
 		await page.waitForLoadState('networkidle');
-		await expect(noteCard(page, 'Shared Note')).toBeVisible();
-	});
-
-	test.afterAll(async () => {
-		if (collabContext) await collabContext.close();
+		await expect(noteCard(page, 'Leave Test Note')).toBeVisible();
 	});
 });

vite.config.ts

@@ -1,6 +1,7 @@
 import { sveltekit } from '@sveltejs/kit/vite';
 import { SvelteKitPWA } from '@vite-pwa/sveltekit';
 import tailwindcss from '@tailwindcss/vite';
+import istanbul from 'vite-plugin-istanbul';
 import { defineConfig } from 'vite';
 
 export default defineConfig({
@@ -10,6 +11,17 @@ export default defineConfig({
 	plugins: [
 		tailwindcss(),
 		sveltekit(),
+		...(process.env.VITE_COVERAGE === 'true'
+			? [
+					istanbul({
+						include: 'src/**/*',
+						exclude: ['node_modules', 'tests/', '**/*.test.ts'],
+						extension: ['.ts', '.svelte'],
+						requireEnv: true,
+						forceBuildInstrument: true
+					})
+				]
+			: []),
 		SvelteKitPWA({
 			registerType: 'autoUpdate',
 			manifest: {

vitest.config.ts

@@ -9,6 +9,13 @@ export default defineConfig({
 	},
 	test: {
 		include: ['src/**/*.test.ts'],
-		environment: 'node'
+		environment: 'node',
+		coverage: {
+			provider: 'v8',
+			reporter: ['text', 'html', 'lcov', 'json-summary'],
+			reportsDirectory: './coverage/unit',
+			include: ['src/lib/**/*.ts'],
+			exclude: ['src/lib/**/*.test.ts', 'src/lib/types/**']
+		}
 	}
 });

website/index.html

@@ -253,7 +253,7 @@
 				<li><a href="https://github.com/bretzel-app/crumbs/blob/main/docs/DEPLOYMENT.md" target="_blank" rel="noopener">Docs</a></li>
 				<li><a href="https://github.com/bretzel-app/crumbs/blob/main/LICENSE" target="_blank" rel="noopener">License</a></li>
 			</ul>
-			<span class="footer-version">v0.16.1</span>
+			<span class="footer-version">v0.18.0</span>
 		</div>
 	</footer>