fix: provider option transforms (#3331)

packages/opencode/src/provider/transform.ts

@@ -105,6 +105,24 @@ export namespace ProviderTransform {
     return result
   }
 
+  export function providerOptions(npm: string | undefined, providerID: string, options: { [x: string]: any }) {
+    switch (npm) {
+      case "@ai-sdk/openai":
+      case "@ai-sdk/azure":
+        return {
+          ["openai" as string]: options,
+        }
+      case "@ai-sdk/anthropic":
+        return {
+          ["anthropic" as string]: options,
+        }
+      default:
+        return {
+          [providerID]: options,
+        }
+    }
+  }
+
   export function maxOutputTokens(
     providerID: string,
     options: Record<string, any>,

packages/opencode/src/session/compaction.ts

@@ -15,6 +15,7 @@ import { Token } from "../util/token"
 import { Log } from "../util/log"
 import { SessionLock } from "./lock"
 import { NamedError } from "../util/error"
+import { ProviderTransform } from "@/provider/transform"
 
 export namespace SessionCompaction {
   const log = Log.create({ service: "session.compaction" })
@@ -143,9 +144,7 @@ export namespace SessionCompaction {
     const stream = streamText({
       maxRetries: 10,
       model: model.language,
-      providerOptions: {
-        [model.npm === "@ai-sdk/openai" ? "openai" : model.providerID]: model.info.options,
-      },
+      providerOptions: ProviderTransform.providerOptions(model.npm, model.providerID, model.info.options),
       abortSignal: signal,
       onError(error) {
         log.error("stream error", {

packages/opencode/src/session/prompt.ts

@@ -282,10 +282,7 @@ export namespace SessionPrompt {
           OUTPUT_TOKEN_MAX,
         ),
         abortSignal: abort.signal,
-        providerOptions: {
-          [model.npm === "@ai-sdk/openai" || model.npm === "@ai-sdk/azure" ? "openai" : model.providerID]:
-            params.options,
-        },
+        providerOptions: ProviderTransform.providerOptions(model.npm, model.providerID, params.options),
         stopWhen: stepCountIs(1),
         temperature: params.temperature,
         topP: params.topP,
@@ -1822,9 +1819,7 @@ export namespace SessionPrompt {
     }
     generateText({
       maxOutputTokens: small.info.reasoning ? 1500 : 20,
-      providerOptions: {
-        [small.providerID]: options,
-      },
+      providerOptions: ProviderTransform.providerOptions(small.npm, small.providerID, options),
       messages: [
         ...SystemPrompt.title(small.providerID).map(
           (x): ModelMessage => ({