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fix(gemini): fill empty tool schemas after $ref strip

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Vertex rejects orphan {} left when $ref/$defs are removed from function declarations. Promote empty nodes to object+reason placeholder in addPlaceholders.
This commit is contained in:
Cokky Turnip 2026-07-29 19:29:35 +07:00
parent 0afe949387
commit e3e3e235f6
1 changed files with 13 additions and 0 deletions
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13
open-sse/translator/formats/gemini.js
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@ -353,6 +353,19 @@ export function cleanJSONSchemaForAntigravity(schema) {
function addPlaceholders(obj) {
if (!obj || typeof obj !== "object") return;
// Empty schema {} (no type, no properties) after $ref removal — treat as object with placeholder
if (Object.keys(obj).length === 0) {
obj.type = "object";
obj.properties = {
reason: {
type: "string",
description: "Brief explanation of why you are calling this tool"
}
};
obj.required = ["reason"];
return;
}
if (obj.type === "object") {
if (!obj.properties || Object.keys(obj.properties).length === 0) {
obj.properties = {