From 6ef5ab396dbd8f1f4ccbf08faf323874d780927c Mon Sep 17 00:00:00 2001
From: liuxiaocs7 <liuxiao2103@qq.com>
Date: Thu, 24 Sep 2026 18:18:01 +0800
Subject: [PATCH] fix(ui): align transcript projection tests with timeline
 model

Assert ordered timeline text segments instead of the removed TurnViewModel.assistant aggregate. Preserve append, replacement, and snapshot immutability coverage while restoring CI compilation.

Generated-by: Codex
---
 .../__tests__/transcript-projection.test.ts   | 21 +++++++++++++++----
 1 file changed, 17 insertions(+), 4 deletions(-)

diff --git a/packages/ui/src/__tests__/transcript-projection.test.ts b/packages/ui/src/__tests__/transcript-projection.test.ts
index 90d51103c91..bcc0f57a684 100644
--- a/packages/ui/src/__tests__/transcript-projection.test.ts
+++ b/packages/ui/src/__tests__/transcript-projection.test.ts
@@ -91,8 +91,15 @@ describe('incremental transcript projection', () => {
     assert.equal(historicalReads, 0, 'stable message references must skip historical materialization');
     assert.strictEqual(after[0], before[0]);
     assert.notStrictEqual(after[1], before[1]);
-    assert.equal(before[1]?.assistant?.text, 'done', 'previous projections are immutable snapshots');
-    assert.equal(after[1]?.assistant?.text, 'done\n\none more step');
+    assert.deepEqual(
+      before[1]?.timeline.filter((item) => item.kind === 'text').map((item) => item.text),
+      ['done'],
+      'previous projections are immutable snapshots',
+    );
+    assert.deepEqual(
+      after[1]?.timeline.filter((item) => item.kind === 'text').map((item) => item.text),
+      ['done', 'one more step'],
+    );
     assert.strictEqual(projection.project({ locale: 'en', sessionId: SESSION, messages: appended }), after);
   });
 
@@ -176,7 +183,10 @@ describe('incremental transcript projection', () => {
     messages = messages.map((message) => message.id === 'a1'
       ? { ...message, text: 'replaced answer' } as StoredMessage
       : message);
-    assert.equal(project()[0]?.assistant?.text, 'replaced answer');
+    assert.deepEqual(
+      project()[0]?.timeline.filter((item) => item.kind === 'text').map((item) => item.text),
+      ['replaced answer'],
+    );
     messages = [...messages, { type: 'assistant', id: 'a3', turnId: 'turn-2', ts: 8, text: 'after edit', modelId: 'model-1' }];
     project();
 
@@ -196,7 +206,10 @@ describe('incremental transcript projection', () => {
     project();
     messages = [...messages, toolCall('read-new', 'turn-2', 'Read', { path: REF }, 9), toolResult('read-new', 'turn-2', shellRun(8), 10)];
     assert.equal(project().at(-1)?.tools[0]?.toolName, 'Read', 'a removed Bash cannot hide a new Read');
-    assert.equal(first[0]?.assistant?.text, 'started');
+    assert.deepEqual(
+      first[0]?.timeline.filter((item) => item.kind === 'text').map((item) => item.text),
+      ['started'],
+    );
     assert.equal(first[0]?.notes.length, 0);
   });