1. Add reentrancy protection audit

[DeFiVC]

What: Audit all cross-contract calls for reentrancy vulnerabilities.

Why: Reentrancy is a critical vulnerability. Audit ensures safety.

Scope: Review all cross-contract calls. Identify reentrancy risks. Add protection where needed. Test attack scenarios.

Acceptance criteria:

• All calls are reviewed
• Risks are identified
• Protection is added
• Attacks are tested

Technical context: All contract source files.

---