fix test_ast

Author: codegen-bot

src/codegen/sdk/codebase/span.py

@@ -54,6 +54,22 @@ def range_json_schema() -> JsonSchemaValue:
 class Span(BaseModel):
     """Range within the codebase"""
 
-    model_config = ConfigDict(frozen=True)
+    model_config = ConfigDict(
+        frozen=True,
+        json_encoders={
+            Range: lambda r: {
+                "start_byte": r.start_byte,
+                "end_byte": r.end_byte,
+                "start_point": {
+                    "row": r.start_point.row,
+                    "column": r.start_point.column,
+                },
+                "end_point": {
+                    "row": r.end_point.row,
+                    "column": r.end_point.column,
+                },
+            }
+        },
+    )
     range: RangeAdapter
     filepath: str