🔧 PROGRESS: Import path fixes and type cleanup

- Fixed missing imports in backtesting and risk-data crates
- Corrected ConnectionStatus usage patterns
- Fixed ConfigManager constructor calls
- Resolved Interactive Brokers config conversions
- Added proper Decimal import patterns

NEXT: Aggressive duplicate type system elimination with parallel agents

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

Cargo.lock

@@ -1347,6 +1347,7 @@ dependencies = [
  "toml",
  "tracing",
  "tracing-subscriber",
+ "trading_engine",
  "uuid 1.18.1",
 ]