docs: portrait admin screenshots + user guide admin section

- Retake all admin screenshots in portrait (412px narrow column)
- Add Admin Panel section (Section 9) to USER_GUIDE.md
- Update ADMIN_GUIDE.md references for portrait screenshots
This commit is contained in:
2026-05-22 16:24:58 -04:00
parent 1ef86ebfe0
commit d92f2a0b2c
10 changed files with 19 additions and 0 deletions
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