Add ANSI colors to TUI picker

- Box-drawing header with cyan/magenta/green color treatment
- Per-row coloring with alternating cyan shades
- Environment badges (PROD in red, DEV in dim)
- Green inverse selection with '◄ SELECTED ►' indicator
- Yellow filter text and footer separator
- Title changed to 'SSO Manager'

nodejs/conf/base.js

@@ -6,7 +6,7 @@
 // values (LDAP creds, SSO API token) belong in the secrets file.
 
 module.exports = {
-	name: 'Jump Host',
+	name: 'SSO Manager',
 	logo: '/static/img/theta42.svg',
 
 	// LDAP directory the users live in (same directory the SSO manages).