From e9d3b71f28d23b9ea56d859a038368a4921b0812 Mon Sep 17 00:00:00 2001
From: Moonlit Productions <moonlit@munebase.dev>
Date: Mon, 10 Nov 2025 14:52:15 -0500
Subject: [PATCH] bare minimum for PWA added

---
 index.html | 47 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)
diff --git a/index.html b/index.html
index a6527c6..e79ddfd 100644
--- a/index.html
+++ b/index.html
@@ -4,7 +4,15 @@
 <head>
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <meta name="theme-color" content="#16213e">
+    <meta name="description"
+        content="Interactive simulation of a swerve drive robot with configurable size, speeds, and number of wheels">
+    <link rel="icon" type="image/svg+xml" href="/icons/512.svg">
     <title>Swerve Drive Visualizer</title>
+
+    <!-- PWA Manifest -->
+    <link rel="manifest" href="/manifest.json">
+
     <link rel="stylesheet" href="styles.css">
 </head>
 
@@ -313,6 +321,45 @@ if scale &lt; 1:
 
     <script type="module" src="vendor/lucio/graham-scan.mjs"></script>
     <script type="module" src="script.js"></script>
+
+    <!-- Register Service Worker for PWA -->
+    <script>
+        if ('serviceWorker' in navigator) {
+            window.addEventListener('load', () => {
+                navigator.serviceWorker.register('/sw.js')
+                    .then((registration) => {
+                        console.log('Service Worker registered successfully:', registration.scope);
+
+                        // Check for updates periodically
+                        setInterval(() => {
+                            registration.update();
+                        }, 60000); // Check every minute
+
+                        // Handle updates
+                        registration.addEventListener('updatefound', () => {
+                            const newWorker = registration.installing;
+                            newWorker.addEventListener('statechange', () => {
+                                if (newWorker.state === 'installed' && navigator.serviceWorker.controller) {
+                                    // New service worker available, prompt user to reload
+                                    if (confirm('A new version is available! Reload to update?')) {
+                                        newWorker.postMessage({ type: 'SKIP_WAITING' });
+                                        window.location.reload();
+                                    }
+                                }
+                            });
+                        });
+                    })
+                    .catch((error) => {
+                        console.log('Service Worker registration failed:', error);
+                    });
+
+                // Handle controller change (new service worker activated)
+                navigator.serviceWorker.addEventListener('controllerchange', () => {
+                    window.location.reload();
+                });
+            });
+        }
+    </script>
 </body>
 
 </html>
\ No newline at end of file
