toki f552dfc3ef feat: US market expansion & asset type instrument support ... - Add asset_type column to instrument table (migration 000003) - Extend market domain types with asset_type and related fields - Update proto definitions for common and market messages - Regenerate Dart and Go protobuf code - Add shared query surface for US market data - Add KIS US daily itemchartprice provider and tests - Update backtest and operator components for US market support - Update socket market mapping for new asset types - Move paper-trading-command-workflow to archive - Add agent-task for m-us-market-expansion (subtasks 02+01, 03+01, 04+02,03)		2026-06-06 15:56:21 +09:00
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kis	feat: US market expansion & asset type instrument support	2026-06-06 15:56:21 +09:00