Fix shared-worker signer authority routing for multi-tab nsigner

www/js/init-ndk.mjs

@@ -184,7 +184,7 @@ export async function initNDKPage(options = {}) {
 
     // All pages in www/ directory, so worker path is always the same.
     // Include explicit worker revision token so updated SharedWorker code is guaranteed to restart.
-    const WORKER_REVISION = 'relay-events-db-5';
+    const WORKER_REVISION = 'relay-events-db-6';
     const workerPath = `./ndk-worker.js?v=${encodeURIComponent(VERSION)}&wr=${encodeURIComponent(WORKER_REVISION)}`;
 
     // Initialize NDK SharedWorker (shared across all tabs/pages)
@@ -217,6 +217,7 @@ export async function initNDKPage(options = {}) {
         const readyHandler = () => {
             cleanup();
             console.log('[init-ndk] Worker signaled ready, initialization complete');
+            tryRegisterActiveSigningPort();
             resolve();
         };
 
@@ -319,6 +320,7 @@ async function ensureAuthenticated() {
                     try {
                         const pubkey = await getPublicKeyWithTimeout(4000);
                         console.log('[init-ndk] Authentication successful, pubkey:', pubkey);
+                        tryRegisterActiveSigningPort();
                         finish(true);
                     } catch (error) {
                         console.log('[init-ndk] window.nostr not ready yet:', error.message);

www/js/version.json

@@ -1,5 +1,5 @@
 {
-  "VERSION": "v0.7.12",
-  "VERSION_NUMBER": "0.7.12",
-  "BUILD_DATE": "2026-05-27T19:17:45.501Z"
+  "VERSION": "v0.7.13",
+  "VERSION_NUMBER": "0.7.13",
+  "BUILD_DATE": "2026-05-27T19:27:24.421Z"
 }

www/ndk-worker.js

@@ -6103,7 +6103,6 @@ self.onconnect = (event) => {
     console.log('[Worker] New port connected');
     
     connectedPorts.push(port);
-    activeSigningPort = port;
 
     port.onmessage = async (e) => {
         const {