UsageProgressBar returned 'now' whenever showNowWhenIdle was set and
utilization was 0%, ignoring resetsAt. OpenAI Codex 7d windows at 0%
usage still carry a future reset time, so the admin account list hid it.
Only fall back to 'now' when no reset time is known.
prolite -> Pro 5x (violet, same as Pro), pro/chatgptpro -> Pro 20x, self_serve_business_prolite -> Business Premium (indigo, same as Team), team -> Business Standard.
The tier naming stays OpenAI-only so Antigravity Pro and Grok pro keep their own labels; planTypeDisplayLabel now shares openAIPlanTypeLabel with PlatformTypeBadge instead of duplicating the mapping, and the manual plan_type dropdown gains the Pro 5x / Business Premium presets.