Switch to alias generator

Author: holtskinner

scripts/generate_types.sh

@@ -34,7 +34,8 @@ uv run datamodel-codegen \
   --use-standard-collections \
   --use-subclass-enum \
   --base-class a2a._base.A2ABaseModel \
-  --snake-case-field
+  --snake-case-field \
+  --no-alias
 
 echo "Formatting generated file with ruff..."
 uv run ruff format "$GENERATED_FILE"

src/a2a/_base.py

@@ -1,4 +1,5 @@
 from pydantic import BaseModel, ConfigDict
+from pydantic.alias_generators import to_snake
 
 
 class A2ABaseModel(BaseModel):
@@ -13,4 +14,5 @@ class A2ABaseModel(BaseModel):
         validate_by_name=True,
         validate_by_alias=True,
         serialize_by_alias=True,
+        alias_generator=to_snake,
     )