Extending session login time

.env.example

@@ -25,6 +25,9 @@ AUTO_CREATE_TABLES=true
 COOKIE_NAME=access_token
 # Set true when serving over HTTPS.
 COOKIE_SECURE=false
+# How long a browser login lasts before being bounced back to /login.
+# Independent of ACCESS_TOKEN_EXPIRE_MINUTES, which governs JSON API tokens.
+SESSION_TIMEOUT_HOURS=24
 
 # --- LDAP (optional; direct-bind) ---
 # When enabled, the login page and /api/auth/ldap-login accept a directory