77a85cee09
Adds a row beneath the translation characters bar on the user profile page with "X% used" (start) and "Resets in H hr m min" (end). The countdown points to the next UTC midnight, matching the server-side daily-usage key in UsageStatsManager. Formatting goes through the dayjs duration plugin and ticks every minute while the page is open. Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>