Sync mobile profile wallet card and 24h session idle timeout.

Show wallet balance prominently in the mobile profile bottom sheet with refresh
on open; align session lifetime with the platform default.

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

.env.example

@@ -28,7 +28,8 @@ DB_USERNAME=ladill_hosting
 DB_PASSWORD=
 
 SESSION_DRIVER=database
-SESSION_LIFETIME=120
+# Idle web session length in minutes (1440 = 24 hours of inactivity).
+SESSION_LIFETIME=1440
 SESSION_ENCRYPT=false
 SESSION_PATH=/
 SESSION_DOMAIN=.ladill.com
@@ -47,6 +48,9 @@ BILLING_API_KEY_HOSTING=
 IDENTITY_API_URL=https://ladill.com/api
 IDENTITY_API_KEY_HOSTING=
 
+# Platform admin API (account.ladill.com → hosting.ladill.com)
+PLATFORM_API_KEY_HOSTING=
+
 # Ladill Domains API (owned-domain picker; domains.ladill.com)
 DOMAINS_API_URL=https://domains.ladill.com/api
 DOMAINS_API_KEY_HOSTING=