Review of PR #57, suggestions 1 and 2:
- the excluded open day is now the most recent date of the snapshot,
not its last element, so the rule no longer depends on the order the
days were sent in (the sanitizer does not sort them);
- a day dated past the server's UTC reception day is never archived, and
GET /claude-usage/history no longer takes a month file dated past the
current month as its default end. A skewed workstation clock could
otherwise open history/2099-12.json and leave the default range empty.
Refs #55
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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