Add a stage branch deploy beside production on z00.

Pushing stage runs CI and deploys to stage.transcribe.z00.nu with its own data, Reverb credentials, and Caddy network.

resources/js/echo.js

@@ -3,13 +3,36 @@ import Echo from 'laravel-echo';
 import Pusher from 'pusher-js';
 window.Pusher = Pusher;
 
+function metaContent(name) {
+    return document.querySelector(`meta[name="${name}"]`)?.getAttribute('content')?.trim() || '';
+}
+
+const isLocalHost = ['localhost', '127.0.0.1'].includes(window.location.hostname);
+const internalHosts = new Set(['', 'reverb', 'localhost', '127.0.0.1']);
+
+const key = metaContent('reverb-key') || import.meta.env.VITE_REVERB_APP_KEY;
+
+let host = metaContent('reverb-host') || import.meta.env.VITE_REVERB_HOST || '';
+let port = metaContent('reverb-port') || import.meta.env.VITE_REVERB_PORT || '';
+let scheme = metaContent('reverb-scheme') || import.meta.env.VITE_REVERB_SCHEME || 'https';
+
+if (!isLocalHost && internalHosts.has(host)) {
+    host = `reverb.${window.location.hostname}`;
+    port = '443';
+    scheme = 'https';
+} else if (isLocalHost && host === 'reverb') {
+    host = import.meta.env.VITE_REVERB_HOST || 'localhost';
+    port = import.meta.env.VITE_REVERB_PORT || '8081';
+    scheme = import.meta.env.VITE_REVERB_SCHEME || 'http';
+}
+
 window.Echo = new Echo({
     broadcaster: 'reverb',
-    key: import.meta.env.VITE_REVERB_APP_KEY,
-    wsHost: import.meta.env.VITE_REVERB_HOST,
-    wsPort: import.meta.env.VITE_REVERB_PORT ?? 80,
-    wssPort: import.meta.env.VITE_REVERB_PORT ?? 443,
-    forceTLS: (import.meta.env.VITE_REVERB_SCHEME ?? 'https') === 'https',
+    key,
+    wsHost: host,
+    wsPort: port || 80,
+    wssPort: port || 443,
+    forceTLS: scheme === 'https',
     enabledTransports: ['ws', 'wss'],
     authEndpoint: '/broadcasting/auth',
     auth: {