feat: Phases 4-7 — Full Feature Expansion (26 features)

Phase 4 — New Widget Types:
- Clock/Weather, System Stats, RSS/Feed, Calendar, Markdown,
  Metric/Counter, Link Group, Camera/Stream widgets
- Backend services with caching for each data source
- Full creation form with dynamic config fields per type

Phase 5 — Visual & Styling Enhancements:
- Glassmorphism card style (solid/glass/outline)
- Board-level themes with per-board hue/saturation
- Animated SVG status rings replacing static dots
- Card size options (compact/medium/large)
- Custom CSS injection (admin + per-board, sanitized)
- Wallpaper backgrounds with blur/overlay/parallax

Phase 6 — Functional Features:
- Favorites bar with drag-and-drop reordering
- Recent apps tracking with privacy toggle
- Uptime dashboard page (/status, guest-accessible)
- Notifications system (Discord/Slack/Telegram/HTTP webhooks)
- App tags with filtering in board view
- Multi-URL app cards with expandable sub-links
- Personal API tokens with scoped permissions
- Audit log with retention and admin viewer

Phase 7 — Quality of Life:
- Onboarding wizard (5-step first-launch setup)
- App URL health preview with favicon/title detection
- Board templates (4 built-in + custom import/export)
- Keyboard shortcut overlay (j/k nav, 1-9 boards, ? help)

212 files changed, 15641 insertions, 980 deletions.
Build, lint, type check, and 222 tests all pass.

src/lib/server/services/favoriteService.ts

@@ -0,0 +1,83 @@
+import { prisma } from '../prisma.js';
+
+/**
+ * Get user's favorite apps, ordered by position.
+ */
+export async function getUserFavorites(userId: string) {
+	return prisma.userFavorite.findMany({
+		where: { userId },
+		orderBy: { order: 'asc' },
+		include: {
+			app: {
+				include: {
+					statuses: {
+						orderBy: { checkedAt: 'desc' },
+						take: 1
+					}
+				}
+			}
+		}
+	});
+}
+
+/**
+ * Add an app to user's favorites (append to end).
+ */
+export async function addFavorite(userId: string, appId: string) {
+	// Check if already favorited
+	const existing = await prisma.userFavorite.findUnique({
+		where: { userId_appId: { userId, appId } }
+	});
+	if (existing) {
+		throw new Error('App is already in favorites');
+	}
+
+	// Get the next order value
+	const maxFav = await prisma.userFavorite.findFirst({
+		where: { userId },
+		orderBy: { order: 'desc' },
+		select: { order: true }
+	});
+	const nextOrder = (maxFav?.order ?? -1) + 1;
+
+	return prisma.userFavorite.create({
+		data: {
+			userId,
+			appId,
+			order: nextOrder
+		},
+		include: {
+			app: true
+		}
+	});
+}
+
+/**
+ * Remove an app from user's favorites.
+ */
+export async function removeFavorite(userId: string, appId: string) {
+	const existing = await prisma.userFavorite.findUnique({
+		where: { userId_appId: { userId, appId } }
+	});
+	if (!existing) {
+		throw new Error('App is not in favorites');
+	}
+
+	await prisma.userFavorite.delete({
+		where: { userId_appId: { userId, appId } }
+	});
+}
+
+/**
+ * Reorder user's favorites by setting order based on array position.
+ */
+export async function reorderFavorites(userId: string, favoriteIds: string[]) {
+	const updates = favoriteIds.map((id, index) =>
+		prisma.userFavorite.update({
+			where: { id },
+			data: { order: index }
+		})
+	);
+
+	return prisma.$transaction(updates);
+}