fix: push subscribe sends flat key_p256dh/key_auth matching backend API

The browser PushSubscription nests keys under .keys but the backend
expects flat key_p256dh and key_auth fields.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

internal/web/dist/index.html

@@ -11,30 +11,30 @@
 		<link rel="preconnect" href="https://fonts.googleapis.com">
 		<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
 		<link href="https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Instrument+Sans:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap" rel="stylesheet">
-		<link href="/_app/immutable/entry/start.DRWRIYgZ.js" rel="modulepreload">
-		<link href="/_app/immutable/chunks/BdkwYcun.js" rel="modulepreload">
+		<link href="/_app/immutable/entry/start.Brt_7G-i.js" rel="modulepreload">
+		<link href="/_app/immutable/chunks/B_GGgm-X.js" rel="modulepreload">
 		<link href="/_app/immutable/chunks/BjgrqnN-.js" rel="modulepreload">
 		<link href="/_app/immutable/chunks/CAWWRzNH.js" rel="modulepreload">
 		<link href="/_app/immutable/chunks/B-GqcZrE.js" rel="modulepreload">
 		<link href="/_app/immutable/chunks/DpGxxGDS.js" rel="modulepreload">
 		<link href="/_app/immutable/chunks/3PInzq4O.js" rel="modulepreload">
 		<link href="/_app/immutable/chunks/qakGnb92.js" rel="modulepreload">
-		<link href="/_app/immutable/entry/app.BZim7ID1.js" rel="modulepreload">
+		<link href="/_app/immutable/entry/app.n45Hd8qT.js" rel="modulepreload">
 		
 	</head>
 	<body data-sveltekit-preload-data="hover">
 		<div style="display: contents">
 			<script>
 				{
-					__sveltekit_1ygn49r = {
+					__sveltekit_nj28a9 = {
 						base: ""
 					};
 
 					const element = document.currentScript.parentElement;
 
 					Promise.all([
-						import("/_app/immutable/entry/start.DRWRIYgZ.js"),
-						import("/_app/immutable/entry/app.BZim7ID1.js")
+						import("/_app/immutable/entry/start.Brt_7G-i.js"),
+						import("/_app/immutable/entry/app.n45Hd8qT.js")
 					]).then(([kit, app]) => {
 						kit.start(app, element);
 					});

web/src/lib/api/client.ts

@@ -219,7 +219,7 @@ export const version = {
 
 // Push notifications
 export const push = {
-	subscribe: (subscription: { endpoint: string; keys: { p256dh: string; auth: string } }) =>
+	subscribe: (subscription: { endpoint: string; key_p256dh: string; key_auth: string }) =>
 		request<{ id: number; message: string }>('POST', '/api/push/subscribe', subscription),
 	unsubscribe: (endpoint: string) =>
 		request<{ message: string }>('DELETE', '/api/push/subscribe', { endpoint }),

web/src/routes/settings/+page.svelte

@@ -113,10 +113,8 @@
 				const subJson = sub.toJSON();
 				await pushApi.subscribe({
 					endpoint: sub.endpoint,
-					keys: {
-						p256dh: subJson.keys?.p256dh || '',
-						auth: subJson.keys?.auth || ''
-					}
+					key_p256dh: subJson.keys?.p256dh || '',
+					key_auth: subJson.keys?.auth || ''
 				});
 				pushEnabled = true;
 			}