From a1a43964d9e6be864347bf6ac92c8fb5b9722fb2 Mon Sep 17 00:00:00 2001
From: Aiden Cline <aidenpcline@gmail.com>
Date: Thu, 24 Sep 2026 23:41:30 -0500
Subject: [PATCH] refactor(core): spell out non-nullable token usage type

---
 packages/core/src/session/compaction.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/core/src/session/compaction.ts b/packages/core/src/session/compaction.ts
index d070987ca37..3b94a700e8c 100644
--- a/packages/core/src/session/compaction.ts
+++ b/packages/core/src/session/compaction.ts
@@ -174,7 +174,7 @@ export interface Interface extends State.Transformable<Editor> {
 
 export class Service extends Context.Service<Service, Interface>()("@opencode/SessionCompaction") {}
 
-const inputTokens = (tokens: SessionMessage.Assistant["tokens"] & {}) =>
+const inputTokens = (tokens: NonNullable<SessionMessage.Assistant["tokens"]>) =>
   tokens.input + tokens.cache.read + tokens.cache.write
 
 const hasInputUsage = (message: SessionMessage.Info) =>