From 1ea0899bee5cdc0566e73869ec42fd58c3e73119 Mon Sep 17 00:00:00 2001
From: Alexander Bocken <alexander@bocken.org>
Date: Mon, 23 Mar 2026 22:28:35 +0100
Subject: [PATCH] fix: precache __data.json for offline client-side navigation

The fitness pages were only precaching HTML shells, but SvelteKit
client-side navigation fetches __data.json instead. Without these
cached, navigating to workout/training while offline would fail.
---
 src/routes/fitness/+layout.svelte | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/routes/fitness/+layout.svelte b/src/routes/fitness/+layout.svelte
index c201c2b..6152344 100644
--- a/src/routes/fitness/+layout.svelte
+++ b/src/routes/fitness/+layout.svelte
@@ -31,6 +31,9 @@
 		];
 		const urls = slugs.map((s) => `/fitness/${s}`);
 		navigator.serviceWorker.controller.postMessage({ type: 'CACHE_PAGES', urls });
+		// Also cache __data.json for client-side navigation
+		const dataUrls = slugs.map((s) => `/fitness/${s}/__data.json`);
+		navigator.serviceWorker.controller.postMessage({ type: 'CACHE_DATA', urls: dataUrls });
 	}
 
 	function onOnline() {