From b648f7dcd1a71bf26139f790cf27cd7004b425da Mon Sep 17 00:00:00 2001
From: ideallove <20013535+ideallove@users.noreply.github.com>
Date: Wed, 28 Jan 2026 19:56:50 +0800
Subject: [PATCH] fix(core): restore maxOutputTokens calculation that was
 accidentally disabled The maxOutputTokens was hardcoded to undefined in
 commit ac53a372b, which caused tool calls with large content to be truncated
 mid-JSON, resulting in "Unterminated string" parse errors.

---
 packages/opencode/src/session/llm.ts | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/packages/opencode/src/session/llm.ts b/packages/opencode/src/session/llm.ts
index d651308032e7..033e4862ce43 100644
--- a/packages/opencode/src/session/llm.ts
+++ b/packages/opencode/src/session/llm.ts
@@ -150,7 +150,14 @@ export namespace LLM {
       },
     )
 
-    const maxOutputTokens = isCodex ? undefined : undefined
+    const maxOutputTokens = isCodex
+      ? undefined
+      : ProviderTransform.maxOutputTokens(
+          input.model.api.npm,
+          params.options,
+          input.model.limit.output,
+          OUTPUT_TOKEN_MAX,
+        )
     log.info("max_output_tokens", {
       tokens: ProviderTransform.maxOutputTokens(
         input.model.api.npm,