Add patient SMS/email messaging and fix Meet video visit errors.

Wire Care to Ladill SMS and Bird management APIs on the patient page, and surface Meet auth/config failures as friendly validation errors instead of a 502 page.

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

config/smtp.php

@@ -0,0 +1,8 @@
+<?php
+
+return [
+    'platform_api_url' => env('SMTP_PLATFORM_API_URL', 'https://ladill.com/api/smtp'),
+    'platform_api_key' => env('SMTP_API_KEY_CARE'),
+    'from' => env('CARE_SMTP_FROM', 'care@ladill.com'),
+    'from_name' => env('CARE_SMTP_FROM_NAME', 'Ladill Care'),
+];