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fix(gemini): backfill thoughtSignature and suppress stream done sentinel

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Backfill DEFAULT_THINKING_AG_SIGNATURE onto functionCall parts missing it
(client history replay) and on Claude tool_use blocks, fixing 400
INVALID_ARGUMENT from Gemini-family APIs. Suppress the OpenAI-style
data: [DONE] sentinel for antigravity/gemini/vertex to avoid parser crashes.

Fixes #2193.

Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
WARELIK
2026-06-29 15:27:05 +07:00
committed by decolua
parent 319caa2d7b
commit 2d94fffe3b
3 changed files with 19 additions and 4 deletions
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3
open-sse/translator/request/openai-to-gemini.js
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@@ -299,7 +299,7 @@ function wrapInCloudCodeEnvelope(model, geminiCLI, credentials = null, isAntigra
}
// Wrap Claude format in Cloud Code envelope for Antigravity
function wrapInCloudCodeEnvelopeForClaude(model, claudeRequest, credentials = null) {
function wrapInCloudCodeEnvelopeForClaude(model, claudeRequest, credentials = null, signature = DEFAULT_THINKING_AG_SIGNATURE) {
const projectId = credentials?.projectId || generateProjectId();
const envelope = {
@@ -343,6 +343,7 @@ function wrapInCloudCodeEnvelopeForClaude(model, claudeRequest, credentials = nu
parts.push({ text: block.text });
} else if (block.type === CLAUDE_BLOCK.TOOL_USE) {
parts.push({
thoughtSignature: signature,
functionCall: {
id: block.id,
name: sanitizeGeminiFunctionName(block.name),