🔴 URGENT: fix(i18n) resolve stale translations in memoized dialog components

[DScoNOIZ]

Fixes issue with stale translations in memoized dialog components.

[coderabbitai]

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📝 Walkthrough

Walkthrough

This PR fixes stale translations in memoized consumers when language changes by adding i18n.language to the translate callback dependency array, with comprehensive test coverage for language switching scenarios. It also refines task delegation logic to more explicitly validate parent state before delegation and exempts delegated subtasks from tool failure blocks.

Changes

Translation Language Switching Fix

Layer / File(s)	Summary
TranslationContext language dependency fix webview-ui/src/i18n/TranslationContext.tsx	Updated useCallback implementation of the translate function to include i18n.language in the dependency array, with adjusted eslint suppression comments; ensures translate callback updates when language changes.
Test setup and language switching coverage webview-ui/src/i18n/__tests__/TranslationContext.spec.tsx	Refactored test mocks using vi.hoisted to centralize language state and translation data; extended TestComponent with interpolation rendering; added beforeEach reset hook; introduced regression tests validating that memoized and non-memoized consumers re-render and update translated strings after language change; added interpolation assertion for notifications.error.
TypeScript compiler configuration update webview-ui/tsconfig.json	Added compilerOptions.ignoreDeprecations set to 6.0 to adjust deprecation warning handling.

Task Delegation Logic Refinement

Layer / File(s)	Summary
Subtask completion failure guard src/core/tools/AttemptCompletionTool.ts	attempt_completion is now prevented on tool failure only for non-delegated tasks; subtasks with parentTaskId are exempt from the "tool failed this turn" guard.
Parent state validation during delegation src/core/tools/AttemptCompletionTool.ts	Refactored delegation path to directly check parent state at delegation time; when child is active, the tool fetches parent history to explicitly verify the parent is still awaiting the child; if parent is no longer awaiting, logs a warning and falls through to normal completion flow.
Error messages and delegation fallback handling src/core/tools/AttemptCompletionTool.ts, src/core/webview/ClineProvider.ts	Updated delegation-history failure log message to reference child task id; added warning when reopenParentFromDelegation returns false; simplified reopenParentFromDelegation validation by removing cancelledDelegationChildIds blacklist check and relying only on status and awaitingChildId comparison.

Sequence Diagrams

sequenceDiagram
  participant User
  participant UI as TranslationContext
  participant i18n as i18n Language State
  participant Consumer as Memoized Consumer

  User->>i18n: changeLanguage("ru")
  i18n->>UI: language changed to "ru"
  UI->>UI: translate callback recreated (i18n.language in deps)
  UI->>Consumer: new translate callback provided
  Consumer->>Consumer: re-render with updated translations
  Consumer->>User: display "Russian translations"

Loading

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~22 minutes

Suggested reviewers

• taltas
• hannesrudolph

🐰 Translations now sing in every tongue,
Parents and children, both young and sprung,
With language switching clean and bright,
And delegations perfectly right!
The memoized minds remember the change—
No stale words in this updated range! 🌍✨

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Description check	⚠️ Warning	Description is incomplete; it lacks the required Related GitHub Issue link, Test Procedure, and Pre-Submission Checklist sections specified in the template.	Add the missing template sections: link to the approved GitHub Issue under 'Related GitHub Issue', detail test procedures in 'Test Procedure', and complete the 'Pre-Submission Checklist' with checkmarks.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Title check	✅ Passed	Title clearly identifies the main change: fixing stale translations in memoized dialog components via the i18n translation mechanism.

_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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[coderabbitai]

🧹 Nitpick comments (1)

webview-ui/src/i18n/TranslationContext.tsx (1)

44-44: ⚡ Quick win

Add a regression test for language-change re-render behavior.

This fix is correct, but please add a Vitest case that switches language and asserts useAppTranslation() consumers (including memoized dialog-like consumers) receive updated strings, so this doesn’t regress.

As per coding guidelines, "webview-ui/src/**/*.{ts,tsx}: Prefer local webview-ui tests for React/webview behavior such as component rendering, local state, hooks, form dirty-state, validation, or prop wiring. Add or update Vitest coverage under webview-ui/src/**/__tests__ instead of reaching for apps/vscode-e2e."

🤖 Prompt for AI Agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

In `@webview-ui/src/i18n/TranslationContext.tsx` at line 44, Add a Vitest unit
test that verifies language-change re-rendering: mount a small test app that
uses TranslationContext/TranslationProvider and a consumer hook
useAppTranslation (include a memoized dialog-like consumer component) then call
i18n.changeLanguage inside act and assert that the rendered strings update
accordingly; place the test under the webview-ui src tests for React behavior,
use testing-library/react to render and query text, and ensure you test both a
normal consumer and a memoized consumer to prevent regressions of the
TranslationContext update behavior.

🤖 Prompt for all review comments with AI agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Nitpick comments:
In `@webview-ui/src/i18n/TranslationContext.tsx`:
- Line 44: Add a Vitest unit test that verifies language-change re-rendering:
mount a small test app that uses TranslationContext/TranslationProvider and a
consumer hook useAppTranslation (include a memoized dialog-like consumer
component) then call i18n.changeLanguage inside act and assert that the rendered
strings update accordingly; place the test under the webview-ui src tests for
React behavior, use testing-library/react to render and query text, and ensure
you test both a normal consumer and a memoized consumer to prevent regressions
of the TranslationContext update behavior.

---

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• webview-ui/src/i18n/TranslationContext.tsx

[coderabbitai]

🧹 Nitpick comments (2)

webview-ui/src/i18n/__tests__/TranslationContext.spec.tsx (2)

101-109: ⚡ Quick win

Interpolation test no longer exercises interpolation.

The notifications.error mock value ("Operation failed", Line 11) contains no {{message}} placeholder, so the result.replace("{{message}}", ...) branch in mockI18n.t is never hit. The assertion passes even though { message: "Test error" } is ignored, so the test named "should handle interpolation correctly" validates nothing about interpolation.

♻️ Restore a placeholder so interpolation is actually asserted

-		"notifications.error": "Operation failed",
+		"notifications.error": "Operation failed: {{message}}",

-		"notifications.error": "Ошибка операции",
+		"notifications.error": "Ошибка операции: {{message}}",

-		expect(getByTestId("translation-interpolation")).toHaveTextContent("Operation failed")
+		expect(getByTestId("translation-interpolation")).toHaveTextContent("Operation failed: Test error")

🤖 Prompt for AI Agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

In `@webview-ui/src/i18n/__tests__/TranslationContext.spec.tsx` around lines 101 -
109, The test "should handle interpolation correctly" never exercises
interpolation because the mocked translation value for notifications.error lacks
the {{message}} placeholder; update the mock in the test (mockI18n.t or the
notifications.error entry used by TranslationProvider/TestComponent) to include
the placeholder (e.g., "Operation failed: {{message}}") and change the assertion
to expect the interpolated string (e.g., "Operation failed: Test error") so the
result.replace("{{message}}", ...) branch in mockI18n.t is actually executed and
verified.

---

111-171: 🏗️ Heavy lift

Strengthen the memoized consumer regression assertion

TranslationProvider already recreates the translate callback on language changes via useCallback(..., [i18n, i18n.language]), and webview-ui/vite.config.ts enables babel-plugin-react-compiler. However, the test primarily asserts rendered text after mockI18n.changeLanguage("ru") + rerender, so it’s still tightly coupled to the test environment’s transform/re-render behavior.

To make the test guard the compiler-sensitive bug directly, assert that the t function reference from useAppTranslation() changes when the language switches (not just the output strings), e.g. by capturing const { t } = useAppTranslation() in a probe component and expect(tAfter).not.toBe(tBefore). (See webview-ui/src/i18n/__tests__/TranslationContext.spec.tsx 111-171 and 173-209.)

🤖 Prompt for AI Agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

In `@webview-ui/src/i18n/__tests__/TranslationContext.spec.tsx` around lines 111 -
171, The test should assert that the translate function identity from
useAppTranslation() changes when language changes: add a small Probe component
that calls const { t } = useAppTranslation() and stores that t reference (e.g.
in a ref or exported variables accessible to the test) before and after calling
mockI18n.changeLanguage("ru"); keep the existing render/rerender of
TranslationProvider + consumers, then assert expect(tAfter).not.toBe(tBefore).
Reference the useAppTranslation hook, TranslationProvider,
mockI18n.changeLanguage, and the existing MemoizedConsumer/NormalConsumer when
adding the Probe and the before/after assertions.

🤖 Prompt for all review comments with AI agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Nitpick comments:
In `@webview-ui/src/i18n/__tests__/TranslationContext.spec.tsx`:
- Around line 101-109: The test "should handle interpolation correctly" never
exercises interpolation because the mocked translation value for
notifications.error lacks the {{message}} placeholder; update the mock in the
test (mockI18n.t or the notifications.error entry used by
TranslationProvider/TestComponent) to include the placeholder (e.g., "Operation
failed: {{message}}") and change the assertion to expect the interpolated string
(e.g., "Operation failed: Test error") so the result.replace("{{message}}", ...)
branch in mockI18n.t is actually executed and verified.
- Around line 111-171: The test should assert that the translate function
identity from useAppTranslation() changes when language changes: add a small
Probe component that calls const { t } = useAppTranslation() and stores that t
reference (e.g. in a ref or exported variables accessible to the test) before
and after calling mockI18n.changeLanguage("ru"); keep the existing
render/rerender of TranslationProvider + consumers, then assert
expect(tAfter).not.toBe(tBefore). Reference the useAppTranslation hook,
TranslationProvider, mockI18n.changeLanguage, and the existing
MemoizedConsumer/NormalConsumer when adding the Probe and the before/after
assertions.

---

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• webview-ui/src/i18n/TranslationContext.tsx
• webview-ui/src/i18n/__tests__/TranslationContext.spec.tsx
• webview-ui/tsconfig.json

✅ Files skipped from review due to trivial changes (1)

• webview-ui/tsconfig.json

[DScoNOIZ]

@coderabbitai The regression test has already been added in this PR — see webview-ui/src/i18n/__tests__/TranslationContext.spec.tsx. It covers:

1. Normal consumer re-renders on language change
2. React.memo-wrapped consumer re-renders on language change
3. Delete dialog translations update correctly after language switch

All 4 tests pass ✅

The fix ensures i18n.language is in the useCallback dependency array so the translate function reference updates when language changes, triggering proper re-renders across all useAppTranslation() consumers — including memoized dialog components.

[coderabbitai]

Tip

For best results, initiate chat on the files or code changes.

@DScoNOIZ Thanks for pointing that out! The test coverage in webview-ui/src/i18n/__tests__/TranslationContext.spec.tsx looks comprehensive — covering normal consumers, React.memo-wrapped consumers, and the delete dialog scenario. The fix adding i18n.language to the useCallback dependency array is well-validated. ✅

(∩^ω^)⊃━☆ﾟ.*･｡ﾟ

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🧹 Nitpick comments (1)

webview-ui/src/i18n/__tests__/TranslationContext.spec.tsx (1)

101-109: ⚡ Quick win

Test name doesn't match what's actually tested.

The test is named "should handle interpolation correctly" but the translation key "notifications.error" has no interpolation placeholder in the mock (line 11 shows "Operation failed" with no {{message}}). The test verifies that passing options doesn't break translation, but doesn't verify that interpolation actually works.

Consider either:

1. Using a translation with a {{message}} placeholder and asserting the interpolated result, or
2. Renaming to "should handle translation options without breaking"

✨ Option 1: Test actual interpolation

Add a translation with a placeholder to the mock (around line 11):

 	en: {
 		"settings.autoApprove.title": "Auto-Approve",
-		"notifications.error": "Operation failed",
+		"notifications.error": "Operation failed: {{message}}",

And update the Russian translation similarly (around line 23):

 	ru: {
 		"settings.autoApprove.title": "Авто-Одобрение",
-		"notifications.error": "Ошибка операции",
+		"notifications.error": "Ошибка операции: {{message}}",

Then update the assertion (line 108):

-		expect(getByTestId("translation-interpolation")).toHaveTextContent("Operation failed")
+		expect(getByTestId("translation-interpolation")).toHaveTextContent("Operation failed: Test error")

🤖 Prompt for AI Agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

In `@webview-ui/src/i18n/__tests__/TranslationContext.spec.tsx` around lines 101 -
109, The test name "should handle interpolation correctly" is misleading because
the mocked translation for "notifications.error" has no {{message}} placeholder;
either change the test to actually assert interpolation by updating the mock
translations to include a placeholder for "notifications.error" (and matching
Russian variant) and update the assertion in TranslationContext.spec.tsx to
expect the interpolated string from TestComponent, or rename the test to "should
handle translation options without breaking" and keep the current mock and
assertion; locate the test and mocks around the
TestComponent/TranslationProvider usage and the "notifications.error" key to
apply the change.

🤖 Prompt for all review comments with AI agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Nitpick comments:
In `@webview-ui/src/i18n/__tests__/TranslationContext.spec.tsx`:
- Around line 101-109: The test name "should handle interpolation correctly" is
misleading because the mocked translation for "notifications.error" has no
{{message}} placeholder; either change the test to actually assert interpolation
by updating the mock translations to include a placeholder for
"notifications.error" (and matching Russian variant) and update the assertion in
TranslationContext.spec.tsx to expect the interpolated string from
TestComponent, or rename the test to "should handle translation options without
breaking" and keep the current mock and assertion; locate the test and mocks
around the TestComponent/TranslationProvider usage and the "notifications.error"
key to apply the change.

---

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• webview-ui/tsconfig.json

✅ Files skipped from review due to trivial changes (2)

• src/package.json
• webview-ui/tsconfig.json

[navedmerchant]

Please do not bump the version, it will be done when we do a weekly release

[navedmerchant]

Also please check the tests are failing

[DScoNOIZ]

Please do not bump the version, it will be done when we do a weekly release
I updated the version only because VISUAL STUDIO CODE doesn't apply updates to the installed .vsix if the package versions match. When merging, simply ignore this file. Best regards. I needed to test the package.

[DScoNOIZ]

Also please check the tests are failing
All my tests pass perfectly. Is it the same for you?

[coderabbitai]

Actionable comments posted: 1

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Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In `@src/core/webview/ClineProvider.ts`:
- Around line 3137-3189: In cancelTask’s success branch (the block that runs
when runDelegationTransition succeeds) clear the persisted child lineage before
re-creating the task: set historyItem.parentTaskId = undefined and
historyItem.rootTaskId = undefined, then await
this.updateTaskHistory(historyItem) (handle/log any update error similarly to
the failure branch) so the subsequent call to createTaskWithHistoryItem({
...historyItem, rootTask, parentTask }) will not rehydrate the child as
delegated; keep the existing local updates to parentTask/rootTask and the
cancelledDelegationChildIds deletion.

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• src/core/webview/ClineProvider.ts

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Actionable comments posted: 1

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Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In `@src/core/webview/ClineProvider.ts`:
- Around line 3137-3189: In cancelTask’s success branch (the block that runs
when runDelegationTransition succeeds) clear the persisted child lineage before
re-creating the task: set historyItem.parentTaskId = undefined and
historyItem.rootTaskId = undefined, then await
this.updateTaskHistory(historyItem) (handle/log any update error similarly to
the failure branch) so the subsequent call to createTaskWithHistoryItem({
...historyItem, rootTask, parentTask }) will not rehydrate the child as
delegated; keep the existing local updates to parentTask/rootTask and the
cancelledDelegationChildIds deletion.

🪄 Autofix (Beta)

Fix all unresolved CodeRabbit comments on this PR:

• Push a commit to this branch (recommended)
• Create a new PR with the fixes

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🛑 Comments failed to post (1)

src/core/webview/ClineProvider.ts (1)

3137-3189: ⚠️ Potential issue | 🟠 Major

🧩 Analysis chain

🏁 Script executed:

#!/bin/bash
set -euo pipefail

echo "== Task lineage restoration =="
rg -n -C3 '\b(parentTaskId|rootTaskId|parentTask|rootTask|historyItem)\b' src/core/task/Task.ts

echo
echo "== cancelTask detach branches =="
rg -n -C4 '\[cancelTask\]|parentTaskId: undefined|rootTaskId: undefined|parentTask = undefined|rootTask = undefined' \
  src/core/webview/ClineProvider.ts

echo
echo "== downstream uses of live parentTaskId =="
rg -n -C3 '\bparentTaskId\b' \
  src/core/tools/AttemptCompletionTool.ts \
  src/core/webview/ClineProvider.ts \
  src/core/task/Task.ts

Repository: Zoo-Code-Org/Zoo-Code

Length of output: 31956

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#!/bin/bash
set -euo pipefail

echo "== Locate createTaskWithHistoryItem in ClineProvider.ts =="
rg -n "createTaskWithHistoryItem" src/core/webview/ClineProvider.ts

echo
echo "== Show implementation of createTaskWithHistoryItem (and createTaskFromHistory if any) =="
rg -n -C2 "async (createTaskWithHistoryItem|createTaskFromHistoryItem|createTaskWithHistory)" src/core/webview/ClineProvider.ts

echo
# Print a reasonable window around the definition(s)
python3 - <<'PY'
import re, subprocess, os, sys, textwrap, json, pathlib
from pathlib import Path

path="src/core/webview/ClineProvider.ts"
txt=Path(path).read_text(encoding='utf-8', errors='ignore').splitlines()
# find lines containing "createTaskWithHistoryItem("
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PY

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#!/bin/bash
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set -euo pipefail

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echo
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echo "Top 5 line numbers from matches: $def_lines"

# Print ranges around the first match lines (likely definition)
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#!/bin/bash
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path="src/core/webview/ClineProvider.ts"

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echo
echo "== Context around the earliest match (likely definition) =="
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echo "first match line: $first"
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Repository: Zoo-Code-Org/Zoo-Code

Length of output: 745

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#!/bin/bash
set -euo pipefail

path="src/core/webview/ClineProvider.ts"
# earliest match
first=$(rg -n "createTaskWithHistoryItem\(" "$path" | head -n 1 | cut -d: -f1)
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Repository: Zoo-Code-Org/Zoo-Code

Length of output: 149

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#!/bin/bash
set -euo pipefail
path="src/core/webview/ClineProvider.ts"

echo "== Earliest occurrence of createTaskWithHistoryItem( in ClineProvider.ts =="
first=$(rg -n "createTaskWithHistoryItem\(" "$path" | head -n 1 | cut -d: -f1)
echo "first match line: $first"

start=$((first-80))
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Repository: Zoo-Code-Org/Zoo-Code

Length of output: 225

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#!/bin/bash
set -euo pipefail

path="src/core/webview/ClineProvider.ts"

# Print the createTaskWithHistoryItem body (avoid `nl`, use `sed` with line ranges)
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#!/bin/bash
set -euo pipefail
path="src/core/webview/ClineProvider.ts"

# Print a broader window around cancelTask where the success/failure branches occur
start=3020
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sed -n "${start},${end}p" "$path"

Repository: Zoo-Code-Org/Zoo-Code

Length of output: 6192

---

Fix success-path cancellation to clear the child’s persisted lineage (historyItem.parentTaskId/rootTaskId)

cancelTask()’s success branch only nulls the in-memory parentTask/rootTask locals; it does not clear historyItem.parentTaskId / historyItem.rootTaskId. Since createTaskWithHistoryItem({ ...historyItem, rootTask, parentTask }) passes that historyItem into new Task(...) and Task derives task.parentTaskId / task.rootTaskId from historyItem, the rehydrated child will still look delegated even though the delegated parent was detached (unlike the failure branch, which clears and persists the child lineage). This can cause incorrect delegation/subtask behavior later.

Mirror the failure branch by clearing + persisting the child history on the success path (set historyItem.parentTaskId = undefined and historyItem.rootTaskId = undefined, then await this.updateTaskHistory(historyItem)) before calling createTaskWithHistoryItem.

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Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

In `@src/core/webview/ClineProvider.ts` around lines 3137 - 3189, In cancelTask’s
success branch (the block that runs when runDelegationTransition succeeds) clear
the persisted child lineage before re-creating the task: set
historyItem.parentTaskId = undefined and historyItem.rootTaskId = undefined,
then await this.updateTaskHistory(historyItem) (handle/log any update error
similarly to the failure branch) so the subsequent call to
createTaskWithHistoryItem({ ...historyItem, rootTask, parentTask }) will not
rehydrate the child as delegated; keep the existing local updates to
parentTask/rootTask and the cancelledDelegationChildIds deletion.