fix to attempts logic

app/models/solver_run.py

@@ -18,10 +18,6 @@ from models.bundle import Bundle
 from models.objective_function import ObjectiveFunction
 from models.advanced_options import AdvancedOptions
 
-if TYPE_CHECKING:
-    from models.solution import Solution
-    from models.problem import Problem
-
 ConstraintType = TypeVar('ConstraintType', bound=GenericConstraint)
 
 class SolverRun(BaseModel):
@@ -37,6 +33,7 @@ class SolverRun(BaseModel):
     drift_style: Literal['constant', 'variable'] = 'constant'
     allow_enemies: bool = False
     max_attempts: int
+    max_drift: int = 15
     advanced_options: Optional[AdvancedOptions]
     engine: str