Register SSO client templates

The sso_clients page and sso_client_row fragment were missing from the
template registration lists, causing a 500 on GET /sso-clients.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

internal/ui/ui.go

@@ -267,6 +267,7 @@ func New(database *db.DB, cfg *config.Config, v *vault.Vault, logger *slog.Logge
 		"templates/fragments/webauthn_enroll.html",
 		"templates/fragments/totp_section.html",
 		"templates/fragments/totp_enroll_qr.html",
+		"templates/fragments/sso_client_row.html",
 	}
 	base, err := template.New("").Funcs(funcMap).ParseFS(web.TemplateFS, sharedFiles...)
 	if err != nil {
@@ -287,6 +288,7 @@ func New(database *db.DB, cfg *config.Config, v *vault.Vault, logger *slog.Logge
 		"profile":          "templates/profile.html",
 		"unseal":           "templates/unseal.html",
 		"service_accounts": "templates/service_accounts.html",
+		"sso_clients":      "templates/sso_clients.html",
 	}
 	tmpls := make(map[string]*template.Template, len(pageFiles))
 	for name, file := range pageFiles {