fix(acms): align strategy registry types

src/cleveragents/application/services/acms_service.py

@@ -915,7 +915,10 @@ class ACMSPipeline:
             for name in registry.list_all():
                 if name not in self._strategies:
                     strat_inst = registry.get(name)
-                    self.register_strategy(name=name, strategy=strat_inst)
+                    self.register_strategy(
+                        name=name,
+                        strategy=cast(ContextStrategy, strat_inst),
+                    )
             # Sync the enabled list.
             enabled = registry.list_enabled()
             if enabled:

src/cleveragents/application/services/context_strategies.py

@@ -53,9 +53,6 @@ from cleveragents.application.services.strategy_registry import (
 from cleveragents.domain.models.acms.strategy import (
     ContextStrategy,  # noqa: F401
 )
-from cleveragents.domain.models.acms.strategy import (
-    StrategyCapabilities as _DomainStrategyCapabilities,  # noqa: F401
-)
 from cleveragents.domain.models.core.context_fragment import (
     ContextBudget,
     ContextFragment,