fix: SAP AI Core Vercel AI SDK v2 support (#5180)

Signed-off-by: Jérôme Benoit <[email protected]>
Signed-off-by: Jérôme Benoit <[email protected]>

3 files changed, 20 insertions, 12 deletions

diff --git a/packages/opencode/src/env/index.ts b/packages/opencode/src/env/index.ts
index 56a8c921f..8c40c08ed 100644
--- a/packages/opencode/src/env/index.ts
+++ b/packages/opencode/src/env/index.ts
@@ -2,7 +2,7 @@ import { Instance } from "../project/instance"
 
 export namespace Env {
   const state = Instance.state(() => {
-    return { ...process.env } as Record<string, string | undefined>
+    return process.env as Record<string, string | undefined>
   })
 
   export function get(key: string) {
diff --git a/packages/opencode/src/provider/provider.ts b/packages/opencode/src/provider/provider.ts
index d6901cba8..880238a0d 100644
--- a/packages/opencode/src/provider/provider.ts
+++ b/packages/opencode/src/provider/provider.ts
@@ -287,13 +287,21 @@ export namespace Provider {
     },
     "sap-ai-core": async () => {
       const auth = await Auth.get("sap-ai-core")
-      const serviceKey = Env.get("SAP_AI_SERVICE_KEY") || (auth?.type === "api" ? auth.key : undefined)
-      const deploymentId = Env.get("SAP_AI_DEPLOYMENT_ID") || "d65d81e7c077e583"
-      const resourceGroup = Env.get("SAP_AI_RESOURCE_GROUP") || "default"
+      const envServiceKey = iife(() => {
+        const envAICoreServiceKey = Env.get("AICORE_SERVICE_KEY")
+        if (envAICoreServiceKey) return envAICoreServiceKey
+        if (auth?.type === "api") {
+          Env.set("AICORE_SERVICE_KEY", auth.key)
+          return auth.key
+        }
+        return undefined
+      })
+      const deploymentId = Env.get("AICORE_DEPLOYMENT_ID")
+      const resourceGroup = Env.get("AICORE_RESOURCE_GROUP")
 
       return {
-        autoload: !!serviceKey,
-        options: serviceKey ? { serviceKey, deploymentId, resourceGroup } : {},
+        autoload: !!envServiceKey,
+        options: envServiceKey ? { deploymentId, resourceGroup } : {},
         async getModel(sdk: any, modelID: string) {
           return sdk(modelID)
         },
@@ -795,7 +803,7 @@ export namespace Provider {
       const mod = await import(installedPath)
 
       const fn = mod[Object.keys(mod).find((key) => key.startsWith("create"))!]
-      const loaded = await fn({
+      const loaded = fn({
         name: model.providerID,
         ...options,
       })
diff --git a/packages/web/src/content/docs/providers.mdx b/packages/web/src/content/docs/providers.mdx
index 9d51057a8..8405966f7 100644
--- a/packages/web/src/content/docs/providers.mdx
+++ b/packages/web/src/content/docs/providers.mdx
@@ -947,26 +947,26 @@ SAP AI Core provides access to 40+ models from OpenAI, Anthropic, Google, Amazon
    └ enter
    ```
 
-   Or set the `SAP_AI_SERVICE_KEY` environment variable:
+   Or set the `AICORE_SERVICE_KEY` environment variable:
 
    ```bash
-   SAP_AI_SERVICE_KEY='{"clientid":"...","clientsecret":"...","url":"...","serviceurls":{"AI_API_URL":"..."}}' opencode
+   AICORE_SERVICE_KEY='{"clientid":"...","clientsecret":"...","url":"...","serviceurls":{"AI_API_URL":"..."}}' opencode
    ```
 
    Or add it to your bash profile:
 
    ```bash title="~/.bash_profile"
-   export SAP_AI_SERVICE_KEY='{"clientid":"...","clientsecret":"...","url":"...","serviceurls":{"AI_API_URL":"..."}}'
+   export AICORE_SERVICE_KEY='{"clientid":"...","clientsecret":"...","url":"...","serviceurls":{"AI_API_URL":"..."}}'
    ```
 
 4. Optionally set deployment ID and resource group:
 
    ```bash
-   SAP_AI_DEPLOYMENT_ID=your-deployment-id SAP_AI_RESOURCE_GROUP=your-resource-group opencode
+   AICORE_DEPLOYMENT_ID=your-deployment-id AICORE_RESOURCE_GROUP=your-resource-group opencode
    ```
 
    :::note
-   If not set, uses deployment ID `d65d81e7c077e583` (general-purpose) and resource group `default`. Configure these for your specific setup.
+   These settings are optional and should be configured according to your SAP AI Core setup.
    :::
 
 5. Run the `/models` command to select from 40+ available models.