fix(server): show zero-use Grok billing periods (#17061)

Co-authored-by: Codex (gpt-6.1-sol) <noreply@openai.com>
Co-authored-by: Julius Marminge <julius0216@outlook.com>
79f2bae6af洁月星 committed on 10/20/2026, 4:55:30 AM· committed by GitHubparent475e019
2 files changedLine totals unavailable