- Rescan dotnet_tests table: 3,491 → 5,818 entries matching current test suite - Rebuild test_mappings join table from go_tests inline mappings (was junk auto data) - 58,331 mapping rows, 2,469/2,646 Go tests covered, 2,312/5,818 dotnet tests covered - Back-fill go_test column on dotnet_tests from test_mappings - Preserve existing metadata (long_running, real_network, failing flags)