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fix(responses): preserve streamed tool call history #2038

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fix(responses): preserve streamed tool call history #2038

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88876db
fix(responses): preserve streamed tool call history
Jul 19, 2026
458cb2a
fix(responses): accept authoritative terminal tool payloads
Jul 19, 2026
e1abec8
refactor(responses): centralize streamed tool state
Jul 19, 2026
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7 changes: 7 additions & 0 deletions llm/tools.go
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Original file line number Diff line number Diff line change
Expand Up @@ -65,6 +65,10 @@ type FunctionCall struct {
type ToolCall struct {
ID string `json:"id,omitempty"`

// ResponseItemID is the Responses API item id. It is distinct from ID,
// which carries the function/custom tool call_id.
ResponseItemID string `json:"response_item_id,omitempty"`

// The type of the tool. Currently, only `function` is supported.
Type string `json:"type,omitempty"`

Expand Down Expand Up @@ -272,6 +276,9 @@ type ResponseCustomToolCall struct {
CallID string `json:"call_id"`
// Name is the name of the custom tool being called.
Name string `json:"name"`
// Namespace is the namespace qualifier for tools registered as part of a
// namespace tool group (e.g. an MCP server).
Namespace string `json:"namespace,omitempty"`
// Input is the freeform input for the custom tool call generated by the model.
Input string `json:"input"`
}
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