Panel: German/English, redesigned sidebar, in-game admins page, Steam Web API key link, RAR/7z save upload (SharpCompress), responsive cards; upload errors return 400; tests

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
2026-09-27 19:40:46 +02:00
co-authored by Claude Opus 5.5
parent c74c48dfc8
commit 8df6cbcafc
12 changed files with 700 additions and 58 deletions
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