New top-nav section with a CSV-based license calculator. Upload an Azure AD
user export to see license counts (M365 Standard/Basic, Defender P1, PBI Pro,
PBI Premium) grouped by QWE Client. QWE Client and IsRestaurant are editable
per user, saved to SQLite, and restored on the next upload. Department-based
defaults pre-populate QWE Client (AT→QWE AT, SK→QWE SK) when no saved value
exists.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>