From 491454e18ed0253ba3ec0208ec009c5038b82321 Mon Sep 17 00:00:00 2001
From: Simon Klee <hello@simonklee.dk>
Date: Sat, 18 Apr 2026 14:10:44 +0200
Subject: [PATCH] deduplicate sameTab

---
 .../src/cli/cmd/run/stream.transport.ts       | 21 ++-----------------
 .../opencode/src/cli/cmd/run/subagent-data.ts |  6 +++---
 2 files changed, 5 insertions(+), 22 deletions(-)

diff --git a/packages/opencode/src/cli/cmd/run/stream.transport.ts b/packages/opencode/src/cli/cmd/run/stream.transport.ts
index 15f902bde1..bb8bb9a459 100644
--- a/packages/opencode/src/cli/cmd/run/stream.transport.ts
+++ b/packages/opencode/src/cli/cmd/run/stream.transport.ts
@@ -29,6 +29,7 @@ import {
   listSubagentQuestions,
   listSubagentTabs,
   reduceSubagentData,
+  sameSubagentTab,
   snapshotSelectedSubagentData,
   snapshotSubagentData,
   SUBAGENT_BOOTSTRAP_LIMIT,
@@ -305,30 +306,12 @@ function composeFooter(input: {
   return footer
 }
 
-function sameTab(a: FooterSubagentTab | undefined, b: FooterSubagentTab | undefined) {
-  if (!a || !b) {
-    return false
-  }
-
-  return (
-    a.sessionID === b.sessionID &&
-    a.partID === b.partID &&
-    a.callID === b.callID &&
-    a.label === b.label &&
-    a.description === b.description &&
-    a.status === b.status &&
-    a.title === b.title &&
-    a.toolCalls === b.toolCalls &&
-    a.lastUpdatedAt === b.lastUpdatedAt
-  )
-}
-
 function traceTabs(trace: Trace | undefined, prev: FooterSubagentTab[], next: FooterSubagentTab[]) {
   const before = new Map(prev.map((item) => [item.sessionID, item]))
   const after = new Map(next.map((item) => [item.sessionID, item]))
 
   for (const [sessionID, tab] of after) {
-    if (sameTab(before.get(sessionID), tab)) {
+    if (sameSubagentTab(before.get(sessionID), tab)) {
       continue
     }
 
diff --git a/packages/opencode/src/cli/cmd/run/subagent-data.ts b/packages/opencode/src/cli/cmd/run/subagent-data.ts
index 38e409f33a..c1093b1799 100644
--- a/packages/opencode/src/cli/cmd/run/subagent-data.ts
+++ b/packages/opencode/src/cli/cmd/run/subagent-data.ts
@@ -67,8 +67,8 @@ function ensureDetail(data: SubagentData, sessionID: string) {
   return next
 }
 
-function sameTab(a: FooterSubagentTab | undefined, b: FooterSubagentTab) {
-  if (!a) {
+export function sameSubagentTab(a: FooterSubagentTab | undefined, b: FooterSubagentTab | undefined) {
+  if (!a || !b) {
     return false
   }
 
@@ -280,7 +280,7 @@ function syncTaskTab(data: SubagentData, part: ToolPart, children?: Set<string>)
   }
 
   const next = taskTab(part, sessionID)
-  if (sameTab(data.tabs.get(sessionID), next)) {
+  if (sameSubagentTab(data.tabs.get(sessionID), next)) {
     ensureDetail(data, sessionID)
     return false
   }