From 2b16211150ff40ecb07115a4df40dcf577706666 Mon Sep 17 00:00:00 2001
From: hksdpc255 <43977088+hksdpc255@users.noreply.github.com>
Date: Fri, 9 Jan 2026 14:57:50 +0800
Subject: [PATCH] Handle reasoning part for run --format=json

---
 packages/opencode/src/cli/cmd/run.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/packages/opencode/src/cli/cmd/run.ts b/packages/opencode/src/cli/cmd/run.ts
index a86b435ec3e..9f22e3a38af 100644
--- a/packages/opencode/src/cli/cmd/run.ts
+++ b/packages/opencode/src/cli/cmd/run.ts
@@ -188,6 +188,10 @@ export const RunCommand = cmd({
               process.stdout.write((isPiped ? part.text : UI.markdown(part.text)) + EOL)
               if (!isPiped) UI.println()
             }
+
+            if (part.type === "reasoning" && part.time?.end) {
+              if (outputJsonEvent("reasoning", { part })) continue
+            }
           }
 
           if (event.type === "session.error") {