us-sales-tax-precheck@0.1.0

Publisher claims: "US sales tax pre-check for cross-border sellers. Upload draft sales data and platform statements to check six high-frequency error categories: rate & sourcing, nexus, marketplace facilitator coverage, taxability & exemptions, filing frequency, shipping & refunds — outputs a structured risk report. Trigger words: US sales tax pre-check, sales tax check, economic nexus, Wayfair." Observed in sandbox: no network, touches nothing outside the project, writes no memory.