From c168466dbd941ca4fcd8a84be07a0332c983701e Mon Sep 17 00:00:00 2001
From: Aiden Cline <aidenpcline@gmail.com>
Date: Wed, 15 Oct 2025 12:58:22 -0500
Subject: [PATCH] fix: Text content blocks must contain non-whitespace text

---
 packages/opencode/src/session/message-v2.ts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/packages/opencode/src/session/message-v2.ts b/packages/opencode/src/session/message-v2.ts
index 8dc059ca1..81b4158db 100644
--- a/packages/opencode/src/session/message-v2.ts
+++ b/packages/opencode/src/session/message-v2.ts
@@ -513,6 +513,8 @@ export namespace MessageV2 {
       }
 
       if (msg.info.role === "assistant") {
+        const hasEmptyTextPart = msg.parts.some((part) => part.type === "text" && part.text.trim() === "")
+        if (hasEmptyTextPart) continue
         result.push({
           id: msg.info.id,
           role: "assistant",