fix: rename wait options model from seconds to wait_seconds

Author: bchampp

src/aws_durable_execution_sdk_python/lambda_service.py

@@ -219,10 +219,14 @@ def to_dict(self) -> MutableMapping[str, Any]:
 
 @dataclass(frozen=True)
 class WaitOptions:
-    seconds: int = 0
+    wait_seconds: int = 0
+
+    @classmethod
+    def from_dict(cls, data: MutableMapping[str, Any]) -> WaitOptions:
+        return cls(wait_seconds=data.get("WaitSeconds", 0))
 
     def to_dict(self) -> MutableMapping[str, Any]:
-        return {"WaitSeconds": self.seconds}
+        return {"WaitSeconds": self.wait_seconds}
 
 
 @dataclass(frozen=True)

src/aws_durable_execution_sdk_python/operation/wait.py

@@ -43,7 +43,7 @@ def wait_handler(
     if not checkpointed_result.is_existent():
         operation = OperationUpdate.create_wait_start(
             identifier=operation_identifier,
-            wait_options=WaitOptions(seconds=seconds),
+            wait_options=WaitOptions(wait_seconds=seconds),
         )
         state.create_checkpoint(operation_update=operation)