Tokyo — Market Risk VaR Pack: FX JPY risk for exporters/importers and hedge cadence

Design a market risk VaR/ES pack for Tokyo focusing on FX JPY risk for exporters/importers and hedge cadence. Return sections: data_inputs, risk_factors, model(HS/MC/parametric), horizon, backtest, and governance. Output a CSV spec for positions and a YAML config for the engine.