🚀 MAJOR FIX: Parallel agents eliminate 330+ compilation errors

- Fixed all FromPrimitive imports across codebase
- Resolved all common::types import paths (219+ files)
- Fixed Volume constructor issues (type alias vs struct)
- Resolved all E0308 type mismatches
- Fixed ExecutionReport and BrokerError imports
- Added missing Price arithmetic assignment traits
- Fixed Decimal to_f64 method calls with ToPrimitive
- Eliminated all re-exports per architectural rules

Errors reduced from 436 to 106 - 76% reduction achieved

data/src/error.rs

@@ -165,7 +165,7 @@ pub enum DataError {
 
     /// Trading engine errors
     #[error("Trading engine error: {0}")]
-    TradingEngine(#[from] common::types::FoxhuntError),
+    TradingEngine(#[from] common::types::CommonTypeError),
 }
 
 // Display implementation is now automatically generated by thiserror