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fix(translator): fix nullable type arrays breaking Gemini/Antigravity API #1511

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fix(translator): fix nullable type arrays breaking Gemini/Antigravity API #1511

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17 changes: 1 addition & 16 deletions internal/translator/gemini/openai/responses/gemini_openai-responses_request.go
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Original file line number Diff line number Diff line change
Expand Up @@ -330,22 +330,7 @@ func ConvertOpenAIResponsesRequestToGemini(modelName string, inputRawJSON []byte
funcDecl, _ = sjson.Set(funcDecl, "description", desc.String())
}
if params := tool.Get("parameters"); params.Exists() {
// Convert parameter types from OpenAI format to Gemini format
cleaned := params.Raw
// Convert type values to uppercase for Gemini
paramsResult := gjson.Parse(cleaned)
if properties := paramsResult.Get("properties"); properties.Exists() {
properties.ForEach(func(key, value gjson.Result) bool {
if propType := value.Get("type"); propType.Exists() {
upperType := strings.ToUpper(propType.String())
cleaned, _ = sjson.Set(cleaned, "properties."+key.String()+".type", upperType)
}
return true
})
}
// Set the overall type to OBJECT
cleaned, _ = sjson.Set(cleaned, "type", "OBJECT")
funcDecl, _ = sjson.SetRaw(funcDecl, "parametersJsonSchema", cleaned)
funcDecl, _ = sjson.SetRaw(funcDecl, "parametersJsonSchema", params.Raw)
}

geminiTools, _ = sjson.SetRaw(geminiTools, "0.functionDeclarations.-1", funcDecl)
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