v3.6.0 - Shared Bills & Split Expenses

🎉 The biggest feature release yet!

Now you can share bills with other BillManager users and track split payments seamlessly.

✨ Highlights

• Share Bills with Anyone - Share any bill with other BillManager users by username
• Flexible Split Options - Configure splits by percentage (50/50), fixed amount ($500), or equal division
• Real-Time Payment Tracking - See when sharees mark their portion as paid
• Automatic Income Recording - Payments from sharees automatically appear as deposits in your payment history and trends
• Protected Transactions - Sharee payments are view-only for owners; only the person who made the payment can edit or delete it
• Visual Indicators - Shared bills display with a users icon; payment history shows Income vs Expense badges

For Bill Owners

• Create a bill, click "Share Bill", enter the sharee's username
• Configure how the bill is split (percentage, fixed, or equal)
• Track when your sharee marks their portion as paid
• See their payments as income in your monthly trends

For Sharees

• Accept or decline bill share invitations
• View the full bill details and your calculated portion
• Mark your portion as paid with one click
• Your payment appears in your expense history

Technical Changes

• Added share_id column to payments table for tracking shared bill payments
• Updated monthly stats endpoint to properly categorize owner vs sharee payments
• Protected sharee payments from owner edits via API (403 responses)
• Share button text changes to "Edit Bill Sharing" when shares exist
• Shared bills display with users icon indicator inline with bill name
• Confirmation modal for marking shared bill portions as paid

Full Changelog

See the README for complete details.