✅ SUCCESS: Fixed 70 test compilation errors across 4 packages
Wave 9 parallel agent deployment achieved successful compilation of:
market-data, ml_training_service, backtesting, and risk packages.
## Wave 9: Multi-Package Test Fixes (4 Parallel Agents)
**Agent 1 - market-data** (5 errors → 0)
- Added rust_decimal_macros dev-dependency
- Fixed BookSide vs OrderSide type confusion in tests
- Changed OrderSide to BookSide for order book operations
**Agent 2 - ml_training_service** (3 errors → 0)
- Added tempfile dev-dependency for TempDir in tests
- Fixed DatabaseConfig initialization: connect_timeout, query_timeout
- Fixed MLConfig field access: model_config.model_type
**Agent 3 - backtesting** (30 errors → 0)
- Added missing imports: Order, OrderSide, OrderStatus, Position, Price, Quantity
- Added rust_decimal_macros for dec! macro
- Added num_traits::ToPrimitive trait
- Fixed malformed match statements (lines 781-782, 880-881)
- Added RiskSettings and FeatureSettings to public exports
- Fixed Decimal type imports in test_ml_integration.rs
**Agent 4 - risk** (32 errors → 0)
- Removed non-existent common::basic and common::operations imports
- Added FromPrimitive trait imports for Decimal conversions
- Fixed Position struct initialization (added 9 missing fields)
- Fixed ComplianceConfig initialization (market_abuse_threshold, large_exposure_threshold)
- Fixed Order::new() calls (5 parameters instead of 4)
- Fixed KillSwitch.activate() calls (added user_id and cascade params)
- Changed log::error! to tracing::error!
## Summary
✅ market-data: COMPILES (0 errors)
✅ ml_training_service: COMPILES (0 errors)
✅ backtesting: COMPILES (0 errors)
✅ risk: COMPILES (0 errors)
✅ trading_engine: COMPILES (0 errors)
✅ trading_service: COMPILES (0 errors)
Remaining: ml package (162 errors), tli examples/tests
## Files Modified
- market-data/Cargo.toml
- market-data/tests/basic_test.rs
- services/ml_training_service/Cargo.toml
- services/ml_training_service/src/database.rs
- services/ml_training_service/src/main.rs
- backtesting/src/lib.rs
- backtesting/tests/test_ml_integration.rs
- risk/src/operations.rs
- risk/src/stress_tester.rs
- risk/src/var_calculator/historical_simulation.rs
- risk/src/var_calculator/monte_carlo.rs
- risk/src/compliance.rs
- risk/src/drawdown_monitor.rs
- risk/src/safety/emergency_response.rs
- risk/src/safety/safety_coordinator.rs
- risk/src/safety/position_limiter.rs
- risk/src/safety/trading_gate.rs
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