Verified offline DuckDB pipeline (npm run check: 101 tests, 46 models, 61 assertions, 34 expectations, 8 negative tests). Adds the Option B jurisdiction extension layer (generic cdc_reg_attributes carrier plus computed attributes, no shared-table widening) and three real-world betting markets (Denmark, Bulgaria, Greece) plus opt-in per-market domains. See commit messages for full detail; illustrative regulator bands/codes flagged to pin against primary sources.