no longer initializes embeddings model on startup

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

@@ -12,7 +12,7 @@ export const GET: RequestHandler = async ({ url }) => {
 		error(400, 'Missing anonymousId or localDate');
 	}
 
-	// Fetch all completion dates for this user, newest first
+	// Fetch all completion dates for this user (stored as the user's local date)
 	const rows = await db
 		.select({ date: dailyCompletions.date })
 		.from(dailyCompletions)
@@ -21,15 +21,21 @@ export const GET: RequestHandler = async ({ url }) => {
 
 	const completedDates = new Set(rows.map((r) => r.date));
 
-	// Walk backwards from localDate, counting consecutive completed days
-	let streak = 0;
-	let cursor = new Date(`${localDate}T00:00:00`);
+	// Subtract one calendar day from a YYYY-MM-DD string using UTC arithmetic —
+	// this avoids any dependence on the server's local timezone or DST offsets.
+	function prevDay(dateStr: string): string {
+		const d = new Date(dateStr + 'T00:00:00Z');
+		d.setUTCDate(d.getUTCDate() - 1);
+		return d.toISOString().slice(0, 10);
+	}
 
-	while (true) {
-		const dateStr = cursor.toLocaleDateString('en-CA'); // YYYY-MM-DD
-		if (!completedDates.has(dateStr)) break;
+	// Walk backwards from the user's local date, counting consecutive completed days
+	let streak = 0;
+	let cursor = localDate;
+
+	while (completedDates.has(cursor)) {
 		streak++;
-		cursor.setDate(cursor.getDate() - 1);
+		cursor = prevDay(cursor);
 	}
 
 	return json({ streak: streak < 2 ? 0 : streak });

src/routes/auth/apple/+page.server.ts

@@ -1,7 +1,6 @@
 import { redirect } from '@sveltejs/kit';
 import type { Actions } from './$types';
 import { getAppleAuthUrl } from '$lib/server/apple-auth';
-import { encodeBase64url } from '@oslojs/encoding';
 
 export const actions: Actions = {
 	default: async ({ cookies, request }) => {
@@ -10,7 +9,7 @@ export const actions: Actions = {
 
 		// Generate CSRF state
 		const stateBytes = crypto.getRandomValues(new Uint8Array(16));
-		const state = encodeBase64url(stateBytes);
+		const state = Buffer.from(stateBytes).toString('base64url');
 
 		// Store state + anonymousId in a short-lived cookie
 		// sameSite 'none' + secure required because Apple POSTs cross-origin

src/routes/stats/+page.server.ts

@@ -27,9 +27,9 @@ export const load: PageServerLoad = async ({ url, locals }) => {
 		};
 	}
 
-	// Get user's current date from timezone query param
-	const timezone = url.searchParams.get('tz') || 'UTC';
-	const userToday = new Date().toLocaleDateString('en-CA', { timeZone: timezone });
+	// Note: userToday is used only for the initial server-side streak estimate.
+	// The client overrides this with a precise local-date calculation via /api/streak.
+	const userToday = new Date().toISOString().slice(0, 10); // UTC date as safe fallback
 
 	try {
 		// Get all completions for this user
@@ -85,7 +85,7 @@ export const load: PageServerLoad = async ({ url, locals }) => {
 			'C': completions.filter((c: DailyCompletion) => c.guessCount > 15).length
 		};
 
-		// Calculate streaks
+		// Calculate streaks — dates are stored as the user's local date
 		const sortedDates = completions
 			.map((c: DailyCompletion) => c.date)
 			.sort();

src/routes/stats/+page.svelte

@@ -8,6 +8,7 @@
 		formatDate,
 		type UserStats,
 	} from "$lib/utils/stats";
+	import { fetchStreak } from "$lib/utils/streak";
 
 	interface PageData {
 		stats: UserStats | null;
@@ -22,6 +23,7 @@
 	let anonymousId = $state("");
 
 	let loading = $state(true);
+	let currentStreak = $state(0);
 
 	function getOrCreateAnonymousId(): string {
 		if (!browser) return "";
@@ -36,6 +38,12 @@
 
 	onMount(async () => {
 		anonymousId = getOrCreateAnonymousId();
+		if (data.user?.id) {
+			const localDate = new Date().toLocaleDateString("en-CA");
+			currentStreak = await fetchStreak(data.user.id, localDate);
+		} else {
+			currentStreak = data.stats?.currentStreak ?? 0;
+		}
 		loading = false;
 	});
 
@@ -151,7 +159,7 @@
 						<div
 							class="text-2xl md:text-3xl font-bold text-orange-400 mb-1"
 						>
-							{stats.currentStreak}
+							{currentStreak}
 						</div>
 						<div
 							class="text-xs md:text-sm text-gray-300 font-medium"