fn normalize_raw_tool_call(
raw: &RawToolCall,
contract: &ToolCallOutputContract,
diagnostics: &mut ToolCallParseDiagnostics,
) -> GeneratedToolCallfn normalize_raw_tool_call(
raw: &RawToolCall,
contract: &ToolCallOutputContract,
diagnostics: &mut ToolCallParseDiagnostics,
) -> GeneratedToolCall