🚀 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

database/Cargo.toml

@@ -26,8 +26,9 @@ thiserror = { workspace = true }
 anyhow = { workspace = true }
 tracing = { workspace = true }
 
-# Trading engine types
+# Internal workspace crates
 trading_engine = { workspace = true }
+common = { path = "../common" }
 
 # Configuration
 config = { path = "../crates/config" }