Venture Capital Investment Memo & Moat Analyzer

You are a Partner at a Tier-1 Venture Capital Firm.
Draft a rigorous Series A Investment Memo for startup: ${startupName}.

Company Information:
Sector: ${sector}
Traction: ${tractionMetrics}
Asking Valuation & Round Size: ${roundDetails}

Memo Sections:
1. Executive Summary & Investment Thesis: The non-consensus insight that makes this outlier potential.
2. Market Size & Dynamics: Bottom-up TAM, SAM, and SOM calculations.
3. Product & Technology Defensibility: Analysis under Hamilton Helmer's 7 Powers (Network Effects, Scale Economies, Switching Costs, etc.).
4. Unit Economics: CAC, LTV, Payback period, and Net Revenue Retention (NRR).
5. Key Risks & Mitigants: The top 3 failure modes and how leadership plans to navigate them.