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Fix Antigravity Gemini thought signatures

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This commit is contained in:
sususu98
2026-05-18 18:53:53 +08:00
parent cc0cb057b3
commit 32a0d69b17
2 changed files with 78 additions and 26 deletions
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internal/translator/antigravity/gemini/antigravity_gemini_request.go
+5 -21
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@@ -99,35 +99,19 @@ func ConvertGeminiRequestToAntigravity(modelName string, inputRawJSON []byte, _
}
// Gemini-specific handling for non-Claude models:
// - Add skip_thought_signature_validator to functionCall parts so upstream can bypass signature validation.
// - Also mark thinking parts with the same sentinel when present (we keep the parts; we only annotate them).
if !strings.Contains(modelName, "claude") {
// - Replace client-provided thoughtSignature values with the skip sentinel.
// - Add the same sentinel to functionCall and thinking parts so upstream can bypass signature validation.
if !strings.Contains(strings.ToLower(modelName), "claude") {
const skipSentinel = "skip_thought_signature_validator"
gjson.GetBytes(rawJSON, "request.contents").ForEach(func(contentIdx, content gjson.Result) bool {
if content.Get("role").String() == "model" {
// First pass: collect indices of thinking parts to mark with skip sentinel
var thinkingIndicesToSkipSignature []int64
content.Get("parts").ForEach(func(partIdx, part gjson.Result) bool {
// Collect indices of thinking blocks to mark with skip sentinel
if part.Get("thought").Bool() {
thinkingIndicesToSkipSignature = append(thinkingIndicesToSkipSignature, partIdx.Int())
}
// Add skip sentinel to functionCall parts
if part.Get("functionCall").Exists() {
existingSig := part.Get("thoughtSignature").String()
if existingSig == "" || len(existingSig) < 50 {
rawJSON, _ = sjson.SetBytes(rawJSON, fmt.Sprintf("request.contents.%d.parts.%d.thoughtSignature", contentIdx.Int(), partIdx.Int()), skipSentinel)
}
if part.Get("functionCall").Exists() || part.Get("thought").Exists() || part.Get("thoughtSignature").Exists() {
rawJSON, _ = sjson.SetBytes(rawJSON, fmt.Sprintf("request.contents.%d.parts.%d.thoughtSignature", contentIdx.Int(), partIdx.Int()), skipSentinel)
}
return true
})
// Add skip_thought_signature_validator sentinel to thinking blocks in reverse order to preserve indices
for i := len(thinkingIndicesToSkipSignature) - 1; i >= 0; i-- {
idx := thinkingIndicesToSkipSignature[i]
rawJSON, _ = sjson.SetBytes(rawJSON, fmt.Sprintf("request.contents.%d.parts.%d.thoughtSignature", contentIdx.Int(), idx), skipSentinel)
}
}
return true
})