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fix(provider): remove LiteLLM workarounds ported upstream, requires LiteLLM v1.85.0-rc.2+ (#26819)

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Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
Sameer Kankute
2026-05-14 21:56:07 +05:30
committed by GitHub
parent e15fd0bb93
commit 7f7eb2e7f8
2 changed files with 6 additions and 27 deletions
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11
packages/opencode/src/provider/transform.ts
View File

@@ -1134,16 +1134,7 @@ export function options(input: {
if (input.model.api.id.includes("gpt-5") && !input.model.api.id.includes("gpt-5-chat")) {
if (!input.model.api.id.includes("gpt-5-pro")) {
result["reasoningEffort"] = "medium"
// Only inject reasoningSummary for providers that support it natively.
// @ai-sdk/openai-compatible proxies (e.g. LiteLLM) do not understand this
// parameter and return "Unknown parameter: 'reasoningSummary'".
if (
input.model.api.npm === "@ai-sdk/openai" ||
input.model.api.npm === "@ai-sdk/azure" ||
input.model.api.npm === "@ai-sdk/github-copilot"
) {
result["reasoningSummary"] = "auto"
}
result["reasoningSummary"] = "auto"
}
// Only set textVerbosity for non-chat gpt-5.x models

22
packages/opencode/src/session/llm.ts
View File

@@ -194,23 +194,11 @@ const live: Layer.Layer<
const tools = resolveTools(input)
// LiteLLM and some Anthropic proxies require the tools parameter to be present
// when message history contains tool calls, even if no tools are being used.
// Add a dummy tool that is never called to satisfy this validation.
// This is enabled for:
// 1. Providers with "litellm" in their ID or API ID (auto-detected)
// 2. Providers with explicit "litellmProxy: true" option (opt-in for custom gateways)
const isLiteLLMProxy =
item.options?.["litellmProxy"] === true ||
input.model.providerID.toLowerCase().includes("litellm") ||
input.model.api.id.toLowerCase().includes("litellm")
// LiteLLM/Bedrock rejects requests where the message history contains tool
// calls but no tools param is present. When there are no active tools (e.g.
// during compaction), inject a stub tool to satisfy the validation requirement.
// The stub description explicitly tells the model not to call it.
// GitHub Copilot may require the tools parameter when message history contains
// tool calls but no tools are active (e.g. compaction). Inject a stub tool that
// is never meant to be invoked. LiteLLM-backed providers are excluded.
if (
(isLiteLLMProxy || input.model.providerID.includes("github-copilot")) &&
input.model.providerID.includes("github-copilot") &&
Object.keys(tools).length === 0 &&
hasToolCalls(input.messages)
) {
@@ -457,7 +445,7 @@ function resolveTools(input: Pick<StreamInput, "tools" | "agent" | "permission"
}
// Check if messages contain any tool-call content
// Used to determine if a dummy tool should be added for LiteLLM proxy compatibility
// Used to determine if a dummy tool should be added (GitHub Copilot only; see stream()).
export function hasToolCalls(messages: ModelMessage[]): boolean {
for (const msg of messages) {
if (!Array.isArray(msg.content)) continue