FIX: Add listeners to update post-archive more reliably

src/frontend/clientJS/post-archive.ts

@@ -245,3 +245,54 @@ window.addEventListener('popstate', () => {
     // Update the active post indicator after initializing the archive state
     setTimeout(updateActivePost, 10); // Small delay to ensure DOM is updated
 });
+
+// Listen for URL changes (including navigation via other components)
+function setupUrlChangeListener() {
+    // Store the current URL to detect changes
+    let currentUrl = window.location.pathname;
+    
+    // Use MutationObserver to detect DOM changes in the main element
+    // This helps catch navigation changes from other components
+    const observer = new MutationObserver((mutations) => {
+        // Check if URL has changed
+        if (window.location.pathname !== currentUrl) {
+            currentUrl = window.location.pathname;
+            
+            // Wait a bit for any DOM updates to complete
+            setTimeout(() => {
+                updateActivePost();
+                initializeArchiveState();
+            }, 50);
+        }
+    });
+    
+    // Start observing the main element for changes
+    const mainElement = document.querySelector('main');
+    if (mainElement) {
+        observer.observe(mainElement, { childList: true, subtree: true });
+    }
+    
+    // Also observe direct URL changes (e.g., when using browser back/forward)
+    const intervalId = setInterval(() => {
+        if (window.location.pathname !== currentUrl) {
+            currentUrl = window.location.pathname;
+            updateActivePost();
+            initializeArchiveState();
+        }
+    }, 500); // Check every 500ms
+    
+    // Clean up on page unload
+    window.addEventListener('beforeunload', () => {
+        clearInterval(intervalId);
+        observer.disconnect();
+    });
+}
+
+// Initialize the URL change listener
+if (document.readyState === 'loading') {
+    document.addEventListener('DOMContentLoaded', () => {
+        setupUrlChangeListener();
+    });
+} else {
+    setupUrlChangeListener();
+}