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Agents: sanitize OpenRouter Gemini thoughtSignature

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This commit is contained in:
Matthieu Bizien
2026-01-13 12:25:52 +01:00
committed by Peter Steinberger
parent d42b69df74
commit ef36e24522
11 changed files with 4156 additions and 86 deletions
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11
src/agents/pi-embedded-runner/google.ts
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@@ -185,17 +185,26 @@ export async function sanitizeSessionHistory(params: {
messages: AgentMessage[];
modelApi?: string | null;
modelId?: string;
provider?: string;
sessionManager: SessionManager;
sessionId: string;
}): Promise<AgentMessage[]> {
const isAntigravityClaudeModel = isAntigravityClaude(params.modelApi, params.modelId);
const provider = (params.provider ?? "").toLowerCase();
const modelId = (params.modelId ?? "").toLowerCase();
const isOpenRouterGemini =
(provider === "openrouter" || provider === "opencode") && modelId.includes("gemini");
const isGeminiLike = isGoogleModelApi(params.modelApi) || isOpenRouterGemini;
const sanitizedImages = await sanitizeSessionMessagesImages(params.messages, "session:history", {
sanitizeToolCallIds: shouldSanitizeToolCallIds(params.modelApi),
enforceToolCallLast: params.modelApi === "anthropic-messages",
preserveSignatures: params.modelApi === "google-antigravity" && isAntigravityClaudeModel,
sanitizeThoughtSignatures: isOpenRouterGemini
? { allowBase64Only: true, includeCamelCase: true }
: undefined,
});
const repairedTools = sanitizeToolUseResultPairing(sanitizedImages);
const shouldDowngradeGemini = isGoogleModelApi(params.modelApi) && !isAntigravityClaudeModel;
const shouldDowngradeGemini = isGeminiLike && !isAntigravityClaudeModel;
// Gemini rejects unsigned thinking blocks; downgrade them before send to avoid INVALID_ARGUMENT.
const downgradedThinking = shouldDowngradeGemini
? downgradeGeminiThinkingBlocks(repairedTools)