fix: cookie handling (#654)

* feat: set cookie prefix and max age

* cookie prefix on csrf cookie

* fix: check user agent cookie in login

* update oidc pkg

* cleanup

internal/ui/ui.go

@@ -10,9 +10,7 @@ import (
 )
 
 const (
-	LoginHandler   = "/login"
-	ConsoleHandler = "/console"
-	uiname         = "ui"
+	uiname = "ui"
 )
 
 type Config struct {