japan-jct-precheck@0.1.1

Publisher claims: "Japan consumption tax (JCT) pre-check for cross-border sellers. Upload draft filing data and platform statements to check six high-frequency error categories: rate applicability, registration threshold, qualified invoice system, import vs domestic sales, filing frequency, tax-inclusive display & retention — outputs a structured risk report. Trigger words: Japan JCT pre-check, Japan consumption tax, qualified invoice, JCT check." Observed in sandbox: no network, touches nothing outside the project, writes no memory.