fix(types): EmbeddingResponse all-defaulted fields (v0.4.2)

arcllm/__init__.py

@@ -69,7 +69,7 @@
 
 from __future__ import annotations
 
-__version__ = "0.4.1"
+__version__ = "0.4.2"
 __all__ = [
     "APIConnectionError",
     "APIError",

arcllm/types.py

@@ -427,19 +427,25 @@ def model_dump(self) -> dict[str, Any]:
 
 
 class EmbeddingResponse(msgspec.Struct):
-    """Response from an embedding request."""
+    """Response from an embedding request.
 
-    model: str
-    data: list[EmbeddingData]
-    usage: EmbeddingUsage
+    All fields default — matches the litellm-compat contract where test
+    fixtures construct ``EmbeddingResponse()`` with no args and populate
+    fields after the fact. Adapters always set every field on real
+    responses, so this is purely for caller ergonomics.
+    """
+
+    model: str = ""
+    data: list[EmbeddingData] = []
+    usage: EmbeddingUsage | None = None
     object: str = "list"
 
     def model_dump(self) -> dict[str, Any]:
         """Return dict representation for serialization."""
         return {
             "model": self.model,
             "data": [d.model_dump() for d in self.data],
-            "usage": self.usage.model_dump(),
+            "usage": self.usage.model_dump() if self.usage is not None else None,
             "object": self.object,
         }
 

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "arcllm-sdk"
-version = "0.4.1"
+version = "0.4.2"
 description = "The arc connecting you to every LLM. Minimal dependencies, maximum performance."
 readme = "README.md"
 license = "Apache-2.0"