Create a yield aggregator protocol with multiple strategies.
Aggregator Requirements:
- Supported Assets: ${{SUPPORTED_ASSETS}}
- Strategy Types: ${{STRATEGY_TYPES}}
- Target Chains: ${{TARGET_CHAINS}}
- Risk Framework: ${{RISK_PARAMETERS}}
Protocol Architecture:
1. **Vault System**
```solidity
// Base vault…Premium Prompt
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[{SUPPORTED_ASSETS][{STRATEGY_TYPES][{TARGET_CHAINS][{RISK_PARAMETERS]