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Merge pull request #1652 from thebtf/fix/claude-translator-arguments

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fix(translator): handle tool call arguments in codex→claude streaming translator
This commit is contained in:
Luis Pater
2026-02-20 19:50:20 +08:00
committed by GitHub
parent a5f4166a9b 1cc21cc45b
commit d4829c82f7
1 changed files with 21 additions and 2 deletions
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19
internal/translator/codex/claude/codex_claude_response.go
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@@ -24,6 +24,7 @@ var (
type ConvertCodexResponseToClaudeParams struct {
HasToolCall bool
BlockIndex int
HasReceivedArgumentsDelta bool
}
// ConvertCodexResponseToClaude performs sophisticated streaming response format conversion.
@@ -137,6 +138,7 @@ func ConvertCodexResponseToClaude(_ context.Context, _ string, originalRequestRa
itemType := itemResult.Get("type").String()
if itemType == "function_call" {
(*param).(*ConvertCodexResponseToClaudeParams).HasToolCall = true
(*param).(*ConvertCodexResponseToClaudeParams).HasReceivedArgumentsDelta = false
template = `{"type":"content_block_start","index":0,"content_block":{"type":"tool_use","id":"","name":"","input":{}}}`
template, _ = sjson.Set(template, "index", (*param).(*ConvertCodexResponseToClaudeParams).BlockIndex)
template, _ = sjson.Set(template, "content_block.id", itemResult.Get("call_id").String())
@@ -171,12 +173,29 @@ func ConvertCodexResponseToClaude(_ context.Context, _ string, originalRequestRa
output += fmt.Sprintf("data: %s\n\n", template)
}
} else if typeStr == "response.function_call_arguments.delta" {
(*param).(*ConvertCodexResponseToClaudeParams).HasReceivedArgumentsDelta = true
template = `{"type":"content_block_delta","index":0,"delta":{"type":"input_json_delta","partial_json":""}}`
template, _ = sjson.Set(template, "index", (*param).(*ConvertCodexResponseToClaudeParams).BlockIndex)
template, _ = sjson.Set(template, "delta.partial_json", rootResult.Get("delta").String())
output += "event: content_block_delta\n"
output += fmt.Sprintf("data: %s\n\n", template)
} else if typeStr == "response.function_call_arguments.done" {
// Some models (e.g. gpt-5.3-codex-spark) send function call arguments
// in a single "done" event without preceding "delta" events.
// Emit the full arguments as a single input_json_delta so the
// downstream Claude client receives the complete tool input.
// When delta events were already received, skip to avoid duplicating arguments.
if !(*param).(*ConvertCodexResponseToClaudeParams).HasReceivedArgumentsDelta {
if args := rootResult.Get("arguments").String(); args != "" {
template = `{"type":"content_block_delta","index":0,"delta":{"type":"input_json_delta","partial_json":""}}`
template, _ = sjson.Set(template, "index", (*param).(*ConvertCodexResponseToClaudeParams).BlockIndex)
template, _ = sjson.Set(template, "delta.partial_json", args)
output += "event: content_block_delta\n"
output += fmt.Sprintf("data: %s\n\n", template)
}
}
}
return []string{output}