Stream Giveaway System Design

Design a stream giveaway system:

Giveaway Frequency: ${{GIVEAWAY_FREQUENCY}}
Prize Types: ${{PRIZE_TYPES}}
Audience Size: ${{AUDIENCE_SIZE}}
Platform: ${{PLATFORM}}
Budget: ${{BUDGET}}

Create system for:

1. ENTRY MECHANICS
- Keyword entry system
- Points-based entry
- Activity-based entries
- Subscriber bonuses
- Loyalty multipliers

2. ELIGIBILITY RULES
- Follow requirement
- Account age minimum
- Chat activity threshold
- Geographic restrictions
- Previous winner cooldowns

3. DRAWING METHODS
- Random selection tools
- Weighted random options
- Chat wheel spinner
- Manual verification
- Winner confirmation

4. ANNOUNCEMENT PROTOCOL
- Build-up and tension
- Winner announcement script
- Prize claim instructions
- Unclaimed prize handling
- Recording for proof

5. PRIZE DELIVERY
- Digital delivery methods
- Physical shipping process
- Prize selection options
- Sponsor credit requirements
- Receipt documentation

6. LEGAL COMPLIANCE
- Official rules template
- No purchase necessary
- Void where prohibited
- Tax responsibility notice
- Platform ToS compliance

Provide:
- Giveaway command setup
- Rules template
- Winner tracking spreadsheet
- Announcement scripts