Add version check to server

mikupad.html

@@ -2915,9 +2915,17 @@
 	}
 
 	async init() {
-		// Test connection
-		const db = await this.openDatabase();
-		await this.loadFromDatabase(db, "Sessions", "selectedSessionId");
+		const res = await fetch(new URL('/version', this.sessionEndpoint), {
+			method: 'GET',
+			headers: {
+				'Content-Type': 'application/json'
+			}
+		});
+		if (!res.ok)
+			throw new Error("Not a mikupad server or version mismatch.");
+		const { version } = await res.json();
+		if (version !== 2)
+			throw new Error("Mikupad server version mismatch.");
 	}
 
 	async openDatabase() {

server/server.js

@@ -62,6 +62,11 @@ app.get('/', (req, res) => {
     res.sendFile(path.join(__dirname, '..', 'mikupad.html'));
 });
 
+// GET route to get the server version
+app.get('/version', (req, res) => {
+    res.json({ version: 2 });
+});
+
 // Dynamic POST proxy route
 app.post('/proxy/*', async (req, res) => {
     // Capture the part of the URL after '/proxy'
@@ -148,6 +153,8 @@ app.get('/proxy/*', async (req, res) => {
 });
 
 const normalizeStoreName = (storeName) => {
+    if (!storeName)
+        return "Sessions";
     return storeName.split(' ')[0].toLowerCase();
 };