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fix(tool-emulation): use gpt_native dialect for glm-5.2 #204

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Merged
dwgx merged 1 commit into from
Jun 28, 2026
Merged

fix(tool-emulation): use gpt_native dialect for glm-5.2 #204

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11 changes: 10 additions & 1 deletion src/handlers/tool-emulation.js
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Original file line number Diff line number Diff line change
Expand Up @@ -219,9 +219,18 @@ Rules:
}

export function pickToolDialect(modelKey, provider, route = null) {
const forced = process.env.WINDSURFAPI_FORCE_TOOL_DIALECT;
if (forced && /^(glm47|openai_json_xml|kimi_k2|gpt_native)$/.test(forced)) return forced;
const normalizedProvider = String(provider || '').toLowerCase();
const normalizedModelKey = String(modelKey || '').toLowerCase();
if (normalizedProvider === 'zhipu' || normalizedModelKey.startsWith('glm')) return 'glm47';
if (normalizedProvider === 'zhipu' || normalizedModelKey.startsWith('glm')) {
// v2.0.72 — glm-5.2 probe: the glm47 XML markup dialect is ignored and
// the model answers in plain text. The gpt_native function_call JSON
// dialect is emitted reliably and parsed correctly. Keep older GLM on
// glm47 until proven otherwise; env override still available for tests.
if (normalizedModelKey === 'glm-5.2' || normalizedModelKey.startsWith('glm-5-2-')) return 'gpt_native';
return 'glm47';
}
if (normalizedProvider === 'moonshot' || normalizedModelKey.startsWith('kimi')) {
// The Kimi K2 vLLM dialect is verified working only against the original
// `kimi-k2` and `kimi-k2-thinking` SKUs. Newer Moonshot SKUs
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