Resolve endpoint-local object dependencies

dns_sync/interfaces.py

@@ -1,6 +1,7 @@
 from typing import Protocol
 
 from .adapters import (
+    ApplyResult,
     Capability,
     DiscoveredObject,
     Endpoint,
@@ -17,7 +18,7 @@ class AdapterPlugin(Protocol):
 
     def connect(self) -> None: ...
     def discover(self, object_type: str) -> list[DiscoveredObject]: ...
-    def apply(self, action: PlanAction) -> str | None: ...
+    def apply(self, action: PlanAction) -> ApplyResult | None: ...
     def verify(self, object: NormalizedObject) -> bool: ...