fix(email): use client/org name as From display, not Ladill product

Customer-facing outbound mail should appear from the business (organizer,
clinic, company, location), not the Ladill product brand.

app/Services/Events/EventMailer.php

@@ -5,6 +5,7 @@ namespace App\Services\Events;
 use App\Services\Billing\PlatformEmailClient;
 use App\Services\Messaging\CustomerEmailClient;
 use App\Services\Messaging\MessagingCredentialsService;
+use App\Support\AccountBranding;
 
 /**
  * Attendee/speaker email: prefer platform suite messaging (zero-config mailbox),
@@ -48,18 +49,20 @@ class EventMailer
         ?string $text = null,
         ?string $replyToEmail = null,
         ?string $replyToName = null,
+        ?string $fromName = null,
     ): bool {
         $this->lastError = null;
+        $displayName = $this->resolveFromName($ownerPublicId, $fromName, $replyToName);
 
         if ($this->platformEmail->isConfigured()) {
-            $sent = $this->platformEmail->send($ownerPublicId, $to, $subject, $html, $text);
+            $sent = $this->platformEmail->send($ownerPublicId, $to, $subject, $html, $text, $displayName);
             if ($sent) {
                 return true;
             }
 
             // Suite unavailable (mailbox, allowance) — try Bird power-user path next.
             $suiteError = $this->platformEmail->lastError();
-            if ($this->tryCustomerBird($ownerPublicId, $to, $subject, $html, $text)) {
+            if ($this->tryCustomerBird($ownerPublicId, $to, $subject, $html, $text, $displayName)) {
                 return true;
             }
 
@@ -68,7 +71,22 @@ class EventMailer
             return false;
         }
 
-        return $this->tryCustomerBird($ownerPublicId, $to, $subject, $html, $text);
+        return $this->tryCustomerBird($ownerPublicId, $to, $subject, $html, $text, $displayName);
+    }
+
+    private function resolveFromName(string $ownerPublicId, ?string $fromName, ?string $replyToName): ?string
+    {
+        foreach ([$fromName, $replyToName] as $candidate) {
+            $name = trim((string) $candidate);
+            if ($name !== '') {
+                return $name;
+            }
+        }
+
+        $settings = AccountBranding::forOwnerRef($ownerPublicId);
+        $company = trim(AccountBranding::companyName($settings));
+
+        return $company !== '' && strcasecmp($company, 'Company') !== 0 ? $company : null;
     }
 
     private function tryCustomerBird(
@@ -77,6 +95,7 @@ class EventMailer
         string $subject,
         string $html,
         ?string $text,
+        ?string $fromName = null,
     ): bool {
         $credential = $this->credentials->forOwner($ownerPublicId);
         if (! $credential->hasValidBird()) {
@@ -95,7 +114,7 @@ class EventMailer
         $sent = $this->customerEmail->send(
             $apiKey,
             (string) $credential->bird_from_email,
-            $credential->bird_from_name,
+            $credential->bird_from_name ?: $fromName,
             $to,
             $subject,
             $html,