v0.7.2

• Customer statistics — customer card now shows visit count, visit rate, total and average spending, with breakdown by status (visited/skipped/planned) and first/last visit dates
• Important notes for customers — dedicated field for critical client information (allergies, medical conditions); highlighted with amber warning box for high visibility
• Visit status in timeline — customer visit history now shows colored badges (Planned, Visited, Skipped) with matching timeline dot colors
• Calendar toolbar cleanup — "Show non-business hours" toggle moved into a compact options menu to reduce toolbar clutter
• Demo data attachments — demo calendar events now include sample photo attachments for a more realistic experience
• Schedule generation options — AI schedule generation now supports overriding specific weeks that already have saved shifts
• Telegram /attachmedia — updated Telegram bot integration for media attachments
• Fixed sales not loading when opening calendar event details
• Fixed badge checkboxes immediately unchecking when assigning badges to customers
• Fixed shift saving crash when start time didn't match configured time slots — now returns a clear error message