diff --git a/src/client/components/fileCard.tsx b/src/client/components/fileCard.tsx
index 6082646..3bf018a 100644
--- a/src/client/components/fileCard.tsx
+++ b/src/client/components/fileCard.tsx
@@ -319,7 +319,6 @@ export function makeFileCard(kit: ViewKit, settings: ContextSettings): Component
                         <span className="lc-fa-badge lc-fa-b-search" title={t('files.kind.search')}><i />{fmt(e.searches)}</span>
                       ) : null}
                       {e.added + e.removed > 0 ? <DeltaPair added={e.added} removed={e.removed} /> : null}
-                      {e.errs > 0 ? <span className="lc-br-err-dot" title={t('files.errs', { n: e.errs })} /> : null}
                       {e.ops[0].time !== undefined
                         ? <span className="lc-fa-time">{fmtTime(e.ops[0].time)}</span>
                         : null}
diff --git a/src/client/fileActivity.ts b/src/client/fileActivity.ts
index e631c7d..57c6efb 100644
--- a/src/client/fileActivity.ts
+++ b/src/client/fileActivity.ts
@@ -28,7 +28,6 @@ export interface FileEntry {
   searches: number
   added: number
   removed: number
-  errs: number
   ops: FileOp[]
   /** Set when `path` is a pathless search's PATTERN, not a file path — display must not relativize it. */
   pattern?: true
@@ -243,7 +242,6 @@ function aggregateOps(ops: readonly FileOp[], before: number | null): FileActivi
         searches: 0,
         added: 0,
         removed: 0,
-        errs: 0,
         ops: [],
         ...(op.pattern === true ? { pattern: true as const } : {}),
       }
@@ -254,7 +252,6 @@ function aggregateOps(ops: readonly FileOp[], before: number | null): FileActivi
     else entry.searches++
     entry.added += op.added
     entry.removed += op.removed
-    if (op.err) entry.errs++
     entry.ops.push(op)
   }
   const entries = [...byPath.values()]
diff --git a/src/client/i18nEn.ts b/src/client/i18nEn.ts
index 34cc0ae..c496703 100644
--- a/src/client/i18nEn.ts
+++ b/src/client/i18nEn.ts
@@ -173,7 +173,6 @@ export const DICT_EN = {
   'files.open': 'Open on your system',
   'files.preview': 'Preview in the sidebar',
   'files.readEst': 'Lines read, estimated from the limit argument',
-  'files.errs': '{n} failed',
   'files.form.image': 'Image',
   'files.form.dir': 'Directory',
   'files.form.text': 'File',
diff --git a/src/client/i18nZh.ts b/src/client/i18nZh.ts
index f6cf890..9f8e72b 100644
--- a/src/client/i18nZh.ts
+++ b/src/client/i18nZh.ts
@@ -171,7 +171,6 @@ export const DICT_ZH = {
   'files.open': '在系统中打开',
   'files.preview': '在侧边栏预览',
   'files.readEst': '按调用参数 limit 估算的读取行数',
-  'files.errs': '{n} 次失败',
   'files.form.image': '图片',
   'files.form.dir': '目录',
   'files.form.text': '文件',
diff --git a/tests/client/components/fileCard.spec.ts b/tests/client/components/fileCard.spec.ts
index 0e24286..6120945 100644
--- a/tests/client/components/fileCard.spec.ts
+++ b/tests/client/components/fileCard.spec.ts
@@ -18,7 +18,7 @@ function fileOp(seq: number, kind: FileOp['kind'], tool: string, over: Partial<F
 }
 
 function entry(path: string, over: Partial<FileEntry>): FileEntry {
-  return { path, form: 'text', reads: 0, writes: 0, searches: 0, added: 0, removed: 0, errs: 0, ops: [], ...over }
+  return { path, form: 'text', reads: 0, writes: 0, searches: 0, added: 0, removed: 0, ops: [], ...over }
 }
 
 function richActivity(over: Partial<FileActivity> = {}): FileActivity {
@@ -29,7 +29,6 @@ function richActivity(over: Partial<FileActivity> = {}): FileActivity {
         writes: 2,
         added: 2,
         removed: 3,
-        errs: 1,
         ops: [
           fileOp(7, 'read', 'read'),
           fileOp(5, 'write', 'edit', { added: 2, removed: 1 }),
@@ -129,7 +128,8 @@ describe('FileCard — header, rows, and filters', () => {
     assert.ok(aRow.querySelector('.lc-fa-path b')?.textContent === 'a.ts')
     assert.equal(queryAll(aRow, '.lc-fa-badge').length, 2) // read + write
     assert.ok(text(aRow).includes('+2') && text(aRow).includes('−3'))
-    assert.ok(aRow.querySelector('.lc-br-err-dot') !== null)
+    // Failures surface on the expanded op rows only: the collapsed row keeps no error dot.
+    assert.equal(queryAll(aRow, '.lc-br-err-dot').length, 0)
     assert.ok(aRow.title === '/src/a.ts')
     const dirRow = rows.find(r => r.title === '/src/')
     assert.ok(dirRow !== undefined)
diff --git a/tests/client/components/fileCardWindow.spec.ts b/tests/client/components/fileCardWindow.spec.ts
index 558b604..66dd698 100644
--- a/tests/client/components/fileCardWindow.spec.ts
+++ b/tests/client/components/fileCardWindow.spec.ts
@@ -75,7 +75,7 @@ afterAll(() => {
 
 function entry(index: number): FileEntry {
   const op: FileOp = { seq: index, kind: 'read', tool: 'read', time: T0 + index, err: false, added: 0, removed: 0, path: '' }
-  return { path: `/src/file-${String(index).padStart(3, '0')}.ts`, form: 'text', reads: 1, writes: 0, searches: 0, added: 0, removed: 0, errs: 0, ops: [op] }
+  return { path: `/src/file-${String(index).padStart(3, '0')}.ts`, form: 'text', reads: 1, writes: 0, searches: 0, added: 0, removed: 0, ops: [op] }
 }
 
 function activityOf(count: number): FileActivity {
diff --git a/tests/client/fileActivity.spec.ts b/tests/client/fileActivity.spec.ts
index 7acbfe8..2d23211 100644
--- a/tests/client/fileActivity.spec.ts
+++ b/tests/client/fileActivity.spec.ts
@@ -108,7 +108,6 @@ describe('activityOf', () => {
     assert.equal(file.searches, 0)
     assert.equal(file.added, 2) // edit new_string: 'x\nq'
     assert.equal(file.removed, 3) // edit old_string: 'x\ny\nz'
-    assert.equal(file.errs, 0)
     // Ops newest first inside the entry.
     assert.deepEqual(file.ops.map(o => o.seq), [7, 5, 3])
     assert.equal(file.ops[0].kind, 'read')
@@ -148,16 +147,14 @@ describe('activityOf', () => {
     assert.deepEqual(a.totals.image, { files: 2, ops: 2 })
   })
 
-  test('counts failures from the fold stamp or the snapshot error flag', () => {
+  test('stamps the error flag from the fold or the snapshot', () => {
     const a = run([
       op(3, 'read', { file_path: '/a.ts' }, { err: true }),
       op(5, 'read', { file_path: '/a.ts' }, {}, { isError: true }),
       op(7, 'read', { file_path: '/b.ts' }),
     ])
-    const file = a.entries[1]
-    assert.equal(file.errs, 2)
-    assert.equal(file.ops[0].err, true)
-    assert.equal(a.entries[0].errs, 0)
+    assert.deepEqual(a.entries[1].ops.map(o => o.err), [true, true])
+    assert.equal(a.entries[0].ops[0].err, false)
   })
 
   test('carries the archive removal stamp onto the op for locate targeting', () => {