fix(tui): restore resumed transcript lineage

ui-tui/src/__tests__/messages.test.ts

@@ -1,7 +1,26 @@
 import { describe, expect, it } from 'vitest'
 
+import { toTranscriptMessages } from '../domain/messages.js'
 import { upsert } from '../lib/messages.js'
 
+describe('toTranscriptMessages', () => {
+  it('preserves assistant tool-call rows so resume does not drop prior turns', () => {
+    const rows = [
+      { role: 'user', text: 'first prompt' },
+      { role: 'tool', context: 'repo', name: 'search_files', text: 'ignored raw result' },
+      { role: 'assistant', text: 'first answer' },
+      { role: 'user', text: 'second prompt' }
+    ]
+
+    expect(toTranscriptMessages(rows).map(msg => [msg.role, msg.text])).toEqual([
+      ['user', 'first prompt'],
+      ['assistant', 'first answer'],
+      ['user', 'second prompt']
+    ])
+    expect(toTranscriptMessages(rows)[1]?.tools?.[0]).toContain('Search Files')
+  })
+})
+
 describe('upsert', () => {
   it('appends when last role differs', () => {
     expect(upsert([{ role: 'user', text: 'hi' }], 'assistant', 'hello')).toHaveLength(2)

ui-tui/src/__tests__/text.test.ts

@@ -1,14 +1,18 @@
 import { describe, expect, it } from 'vitest'
 
 import {
+  boundedLiveRenderText,
+  buildToolTrailLine,
   edgePreview,
   estimateRows,
   estimateTokensRough,
   fmtK,
   isToolTrailResultLine,
   lastCotTrailIndex,
+  parseToolTrailResultLine,
   pasteTokenLabel,
-  sameToolTrailGroup
+  sameToolTrailGroup,
+  splitToolDuration
 } from '../lib/text.js'
 
 describe('isToolTrailResultLine', () => {
@@ -19,6 +23,16 @@ describe('isToolTrailResultLine', () => {
   })
 })
 
+describe('buildToolTrailLine', () => {
+  it('puts completion duration inline before the result marker', () => {
+    const line = buildToolTrailLine('read_file', 'x', false, '', 0.94)
+
+    expect(line).toBe('Read File("x") (0.9s) ✓')
+    expect(parseToolTrailResultLine(line)).toEqual({ call: 'Read File("x") (0.9s)', detail: '', mark: '✓' })
+    expect(splitToolDuration('Read File("x") (0.9s)')).toEqual({ label: 'Read File("x")', duration: ' (0.9s)' })
+  })
+})
+
 describe('lastCotTrailIndex', () => {
   it('finds last non-result line', () => {
     expect(lastCotTrailIndex(['a ✓', 'thinking…'])).toBe(1)
@@ -68,6 +82,28 @@ describe('estimateTokensRough', () => {
   })
 })
 
+describe('boundedLiveRenderText', () => {
+  it('preserves short live text verbatim', () => {
+    expect(boundedLiveRenderText('one\ntwo', { maxChars: 100, maxLines: 10 })).toBe('one\ntwo')
+  })
+
+  it('keeps the live tail by character budget', () => {
+    const out = boundedLiveRenderText('abcdefghij', { maxChars: 4, maxLines: 10 })
+
+    expect(out).toContain('ghij')
+    expect(out).toContain('omitted')
+    expect(out).not.toContain('abcdef')
+  })
+
+  it('keeps the live tail by line budget', () => {
+    const out = boundedLiveRenderText(['a', 'b', 'c', 'd'].join('\n'), { maxChars: 100, maxLines: 2 })
+
+    expect(out).toContain('c\nd')
+    expect(out).toContain('omitted 2 lines')
+    expect(out).not.toContain('a\nb')
+  })
+})
+
 describe('edgePreview', () => {
   it('keeps both ends for long text', () => {
     expect(edgePreview('Vampire Bondage ropes slipped from her neck, still stained with blood', 8, 18)).toBe(