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fix(translator): drop JSON Schema keywords Gemini has no field for

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Tool schemas carrying uniqueItems, contains, multipleOf,
unevaluatedProperties, unevaluatedItems, or contentSchema get rejected
by the Gemini API with "Unknown name ...: Cannot find field", failing
the whole request. Add them to UNSUPPORTED_SCHEMA_CONSTRAINTS alongside
the existing stripped keywords (minItems, maxItems, format, ...).
This commit is contained in:
Muhammad Usama
2026-08-05 10:42:30 +07:00
committed by decolua
parent c06cc08453
commit 2abe8b855c
1 changed files with 7 additions and 1 deletions
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8
open-sse/translator/formats/gemini.js
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@@ -7,7 +7,13 @@ import { OPENAI_BLOCK } from "../schema/index.js";
export const UNSUPPORTED_SCHEMA_CONSTRAINTS = [ export const UNSUPPORTED_SCHEMA_CONSTRAINTS = [
// Basic constraints (not supported by Gemini API) // Basic constraints (not supported by Gemini API)
"minLength", "maxLength", "exclusiveMinimum", "exclusiveMaximum", "minLength", "maxLength", "exclusiveMinimum", "exclusiveMaximum",
"minItems", "maxItems", "format", "minItems", "maxItems", "format", "multipleOf",
// Array keywords the Gemini schema proto has no field for. Agent tool
// schemas set these routinely, and one occurrence rejects the whole request
// with "Unknown name ...: Cannot find field".
"uniqueItems", "contains",
// 2020-12 keywords with no Gemini equivalent
"unevaluatedProperties", "unevaluatedItems", "contentSchema",
// Claude rejects these in VALIDATED mode // Claude rejects these in VALIDATED mode
"default", "examples", "default", "examples",
// JSON Schema meta keywords // JSON Schema meta keywords