Apply suggestion from @kiloconnect[bot]

Co-authored-by: kiloconnect[bot] <240665456+kiloconnect[bot]@users.noreply.github.com>

packages/opencode/src/provider/transform.ts

@@ -250,7 +250,7 @@ export namespace ProviderTransform {
           isFirstToolCall = false
           continue
         }
-        if (part.type == "tool-call") {
+        if (part.type === "tool-call") {
           // this is a duplicate entry
           delete part.providerOptions?.openrouter?.reasoning_details
         }