🔧 Fix import paths: Remove non-existent prelude module references

- Fixed 101+ files importing common::types::prelude which doesn't exist
- Changed all imports to use common::types directly
- Fixed BarEvent duplicate import in data/src/types.rs
- Aligned all imports with canonical type system in common crate

backtesting/src/lib.rs

@@ -61,7 +61,7 @@ use serde::{Deserialize, Serialize};
 use tokio::sync::{mpsc, RwLock};
 use tracing::{error, info, warn};
 
-use common::types::prelude::*;
+use common::types::*;
 
 // mod types; // Removed - using core::prelude types instead
 

backtesting/src/metrics.rs

@@ -15,7 +15,7 @@ use statrs::statistics::{Statistics, VarianceN};
 use tokio::sync::RwLock;
 use tracing::{debug, info, warn};
 
-use common::types::prelude::*;
+use common::types::*;
 
 use crate::strategy_tester::{PerformanceSnapshot, TradeRecord};
 

backtesting/src/replay_engine.rs

@@ -13,7 +13,7 @@ use std::{
 use anyhow::{Context, Result};
 use chrono::{DateTime, Utc};
 use common::types::Timestamp;
-use common::types::prelude::{Symbol, Decimal, Quantity, MarketEvent, Price};
+use common::types::{Symbol, Decimal, Quantity, MarketEvent, Price};
 use crossbeam_channel::{bounded, Receiver, Sender};
 use dashmap::DashMap;
 use serde::{Deserialize, Serialize};

backtesting/src/strategy_runner.rs

@@ -6,7 +6,7 @@
 use anyhow::Result;
 use async_trait::async_trait;
 use common::types::basic::Side;
-use common::types::prelude::*;
+use common::types::*;
 // Use canonical types from ML module
 use ml::{Features, ModelPrediction};
 

backtesting/src/strategy_tester.rs

@@ -25,7 +25,7 @@ use common::types::basic::{
 };
 use common::types::{OrderStatus, OrderType};
 use common::types::events::MarketEvent;
-use common::types::prelude::*;
+use common::types::*;
 use uuid::Uuid;
 // TECHNICAL DEBT ELIMINATED - Use String and DateTime<Utc> directly
 use crate::replay_engine::{MarketReplay, ReplayEvent};