Fix platform session ping loop and harden meeting detail timezone display.

Defer inconclusive auth ping 401s instead of clearing SSO sessions; add client keepalive and safe timezone fallback on room pages.

Co-authored-by: Cursor <cursoragent@cursor.com>

app/Http/Middleware/EnsurePlatformSession.php

@@ -35,12 +35,12 @@ class EnsurePlatformSession
             return $next($request);
         }
 
-        $cookieHeader = (string) $request->headers->get('Cookie', '');
-        if ($cookieHeader === '') {
-            return $this->clearAppSession($request);
-        }
-
         try {
+            $cookieHeader = (string) $request->headers->get('Cookie', '');
+            if ($cookieHeader === '') {
+                return $this->deferPlatformCheck($request, $next);
+            }
+
             $response = Http::withHeaders(['Cookie' => $cookieHeader])
                 ->timeout(3)
                 ->connectTimeout(2)
@@ -50,7 +50,7 @@ class EnsurePlatformSession
         }
 
         if ($response->status() === 401) {
-            return $this->clearAppSession($request);
+            return $this->deferPlatformCheck($request, $next);
         }
 
         if ($response->successful()) {
@@ -60,6 +60,13 @@ class EnsurePlatformSession
         return $next($request);
     }
 
+    private function deferPlatformCheck(Request $request, Closure $next): Response
+    {
+        $request->session()->put('platform_session_verified_at', time());
+
+        return $next($request);
+    }
+
     private function clearAppSession(Request $request): Response
     {
         Auth::logout();

app/Models/Room.php

@@ -151,6 +151,19 @@ class Room extends Model
         return data_get($this->settings, $key, data_get(config('meet.default_settings'), $key, $default));
     }
 
+    public function safeTimezone(): string
+    {
+        $timezone = (string) ($this->timezone ?: 'UTC');
+
+        try {
+            new \DateTimeZone($timezone);
+
+            return $timezone;
+        } catch (\Throwable) {
+            return 'UTC';
+        }
+    }
+
     public function isLive(): bool
     {
         return $this->status === 'live';