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fd7aade5b5
Some OpenAI-compatible providers emit 'tool_calls: null' in streaming
delta chunks instead of omitting the field or using an empty array:
"delta": {"content":"","function_call":null,"tool_calls":null}
serde's #[serde(default)] only handles absent keys — an explicit null
value still fails deserialization with:
'invalid type: null, expected a sequence'
Fix: replace #[serde(default)] with a custom deserializer helper
deserialize_null_as_empty_vec() that maps null -> Vec::default(),
keeping the existing absent-key default behaviour.
Regression test added: delta_with_null_tool_calls_deserializes_as_empty_vec
uses the exact provider response shape from gaebal-gajae's repro (2026-04-09).
112 api lib tests pass. Fmt clean.
Companion to gaebal-gajae's local 448cf2c — independently reproduced
and landed on main.
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| rusty-claude-cli | ||
| telemetry | ||
| tools | ||