---
id: task-006
title: Implement bidding system database operations
status: To Do
assignee: []
created_date: '2025-08-27 18:31'
labels: []
dependencies: []
---

## Description

Create database operations for the bidding system including manual bids, proxy bids, and bid history tracking. This is critical for the auction functionality.

## Acceptance Criteria
<!-- AC:BEGIN -->
- [ ] #1 Manual bid placement function with validation is implemented
- [ ] #2 Proxy bid creation and management functions are implemented
- [ ] #3 Bid history retrieval functions are implemented
- [ ] #4 Winning bid calculation functions are implemented
- [ ] #5 Multi-slot auction winner selection is implemented
- [ ] #6 Bid cancellation functionality is implemented
- [ ] #7 Anti-snipe time extension logic is implemented
<!-- AC:END -->