ci: fix lint baseline and stabilize failing main tests

src/core/kill_switch.py

@@ -11,8 +11,9 @@ Order is fixed:
 from __future__ import annotations
 
 import inspect
+from collections.abc import Awaitable, Callable
 from dataclasses import dataclass, field
-from typing import Any, Awaitable, Callable
+from typing import Any
 
 StepCallable = Callable[[], Any | Awaitable[Any]]
 

src/core/order_policy.py

@@ -15,7 +15,7 @@ from src.markets.schedule import MarketInfo
 _LOW_LIQUIDITY_SESSIONS = {"NXT_AFTER", "US_PRE", "US_DAY", "US_AFTER"}
 
 
-class OrderPolicyRejected(Exception):
+class OrderPolicyRejectedError(Exception):
     """Raised when an order violates session policy."""
 
     def __init__(self, message: str, *, session_id: str, market_code: str) -> None:
@@ -61,7 +61,9 @@ def classify_session_id(market: MarketInfo, now: datetime | None = None) -> str:
 
 def get_session_info(market: MarketInfo, now: datetime | None = None) -> SessionInfo:
     session_id = classify_session_id(market, now)
-    return SessionInfo(session_id=session_id, is_low_liquidity=session_id in _LOW_LIQUIDITY_SESSIONS)
+    return SessionInfo(
+        session_id=session_id, is_low_liquidity=session_id in _LOW_LIQUIDITY_SESSIONS
+    )
 
 
 def validate_order_policy(
@@ -76,7 +78,7 @@ def validate_order_policy(
 
     is_market_order = price <= 0
     if info.is_low_liquidity and is_market_order:
-        raise OrderPolicyRejected(
+        raise OrderPolicyRejectedError(
             f"Market order is forbidden in low-liquidity session ({info.session_id})",
             session_id=info.session_id,
             market_code=market.code,
@@ -84,10 +86,14 @@ def validate_order_policy(
 
     # Guard against accidental unsupported actions.
     if order_type not in {"BUY", "SELL"}:
-        raise OrderPolicyRejected(
+        raise OrderPolicyRejectedError(
             f"Unsupported order_type={order_type}",
             session_id=info.session_id,
             market_code=market.code,
         )
 
     return info
+
+
+# Backward compatibility alias
+OrderPolicyRejected = OrderPolicyRejectedError

src/core/priority_queue.py

@@ -28,9 +28,7 @@ class PriorityTask:
     # Task data not used in comparison
     task_id: str = field(compare=False)
     task_data: dict[str, Any] = field(compare=False, default_factory=dict)
-    callback: Callable[[], Coroutine[Any, Any, Any]] | None = field(
-        compare=False, default=None
-    )
+    callback: Callable[[], Coroutine[Any, Any, Any]] | None = field(compare=False, default=None)
 
 
 @dataclass

src/core/risk_manager.py

@@ -25,7 +25,7 @@ class CircuitBreakerTripped(SystemExit):
         )
 
 
-class FatFingerRejected(Exception):
+class FatFingerRejectedError(Exception):
     """Raised when an order exceeds the maximum allowed proportion of cash."""
 
     def __init__(self, order_amount: float, total_cash: float, max_pct: float) -> None:
@@ -61,7 +61,7 @@ class RiskManager:
     def check_fat_finger(self, order_amount: float, total_cash: float) -> None:
         """Reject orders that exceed the maximum proportion of available cash."""
         if total_cash <= 0:
-            raise FatFingerRejected(order_amount, total_cash, self._ff_max_pct)
+            raise FatFingerRejectedError(order_amount, total_cash, self._ff_max_pct)
 
         ratio_pct = (order_amount / total_cash) * 100
         if ratio_pct > self._ff_max_pct:
@@ -69,7 +69,7 @@ class RiskManager:
                 "Fat finger check failed",
                 extra={"order_amount": order_amount},
             )
-            raise FatFingerRejected(order_amount, total_cash, self._ff_max_pct)
+            raise FatFingerRejectedError(order_amount, total_cash, self._ff_max_pct)
 
     def validate_order(
         self,
@@ -81,3 +81,7 @@ class RiskManager:
         self.check_circuit_breaker(current_pnl_pct)
         self.check_fat_finger(order_amount, total_cash)
         logger.info("Order passed risk validation")
+
+
+# Backward compatibility alias
+FatFingerRejected = FatFingerRejectedError