refactoring

web/js/config.js

@@ -0,0 +1,15 @@
+// Auto-detect API base URL from current domain
+const API_BASE_URL = window.location.protocol + '//' + window.location.host;
+
+//const API_BASE_URL = 'http://localhost:5000'; //used for development
+
+// Application state
+const AppState = {
+    map: null,
+    markers: [],
+    allListings: [],
+    selectedListingId: null,
+    currentSessionId: null,
+    scrapeStartTime: null,
+    isScrapingActive: false
+};