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test(desktop): gate flaky E2E specs on the state they assume - #8681

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test(desktop): gate flaky E2E specs on the state they assume#8681
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Summary

Test-side fixes for ten desktop E2E flake clusters and six long-tail rows from the 21–28 Oct 2026 CI audit. Each spec now waits for the state it assumes (a rendered row, a mounted listener, a finished animation, a held boot read), not a fixed delay or a one-shot probe. Two mock-bridge seams support this.

The PR changes test code and mock-bridge seams only, apart from one product constant extracted with its value unchanged. It is one of seven PRs split out of the flakey-tests branch (siblings below).

Related issue

None found.

Mock-bridge seams

  • __BUZZ_E2E_EVENT_LISTENER_COUNT__(event) counts live app listeners per Tauri event. It wraps the mocked plugin:event|listen/unlisten. The spec-facing __TAURI_INTERNALS__.listen passes a marker target that the wrapper skips, so a spec's own subscription can't satisfy the wait. Tauri 2.11.1's mock ignores targets, so delivery is unchanged.
  • deferFirstChannelsRead arms the existing channels-read hold at boot. __BUZZ_E2E_RELEASE_CHANNELS_READ__ releases it.
  • CREATE_PROJECT_REFOCUS_DELAY_MS moves to createProjectFormFocus.ts with its value unchanged (50 ms). Both CreateProjectFormContent and project-commit-detail.spec import it.

Flaky tests fixed

Test Failing runs Cause Change
§2 overscroll-boundary.spec.ts:34 (and its sibling) 39601763602, 40367495044, 40583830861, 40597484657, 40373404267 The message-timeline test id first lands on the loading skeleton, which doesn't overflow, so the scroll lock rightly cancels the wheel. Wait for a rendered row, and content taller than the viewport, before dispatching wheels.
§4 project-conversation-load-failure.spec.ts:73 40367495044 (all 3 attempts), 40608383847, 40583830861; PRs 39541263507, 40509460168 The seeded root and reply were dated now. The panel's live REQ (since = floor(now)) still replayed the reply, so the error card never appeared. Date both events a minute in the past, and correct the comment.
§6 workflows.spec.ts createWorkflow cluster (:222, :365, :297, :525, :471, :406, :614, :997) 14 of 50 main jobs; :222 ×4, e.g. 40353619362 AnimatePresence mode="wait" keeps the trigger body mounted through its exit, so "Message text" could fill the trigger's field (:222 and the callers). For :297, isVisible() read "closed" one frame before the dialog opened its own channel list. Wait for the step body's "Step details" control before filling. Create dialogs wait for the list; only the duplicate dialog clicks it.
§12 nostr-bind.spec.ts (:156, :198, :228, :247, :260, :335, :417, :447) 8 main jobs, each test once The spec emitted deep-link-nostr-bind before the app subscribed, and the mock drops events that have no listener. Wait for __BUZZ_E2E_EVENT_LISTENER_COUNT__ to report the app listener before emitting.
§15 profile.spec.ts:1128 (integration) 7 of 50 main jobs The 320 ms motion-sampling window started before the click. Start the window when activeTab reads "runtime".
§17 agent-availability.spec.ts:602, both shutdown-failure variants (integration) 6 jobs (4 disconnected-online, 2 failed-online) The "shutdown refused" toast sits over the Delete row and pauses while the pointer is on it, so the retry click is intercepted. Assert the toast, then retry with focus + Enter. The toaster has no close button.
§19 virtualization.spec.ts:247 "08 — cascading older pages…" 4 of 50 main jobs; PR 40605736093 (all 3 attempts) The 120 ms and 400 ms windows were timed from before the wheel bursts, and CDP can deliver wheels late. Count the wheels the page receives. Each window opens at the first wheel and closes only after all have landed, then waits for still frames. A second, product-side mode remains (see below).
§20 message-copy-link.spec.ts:160 4 of 50 main jobs (5 failed attempts), e.g. 40595483966 The huddle row reused "d".repeat(64), which is a seeded ordinary #general message. Use ids that no seed uses, and emit only after waitForMockChannelHeadReady.
§21 navigation.spec.ts:687 4 of 50 main jobs The pending chip's boundingBox() was read once, and can be null while the row mounts. Poll until the chip has a width.
§23 sidebar-snapshot.spec.ts:358, :388, :438 PR 40427822003 (all 3 attempts); never on main The 500 ms loading-state budget counted app boot, so a slow runner finished the channels read first. Hold the first channels read with deferFirstChannelsRead, assert the loading state, then release it.
project-commit-detail.spec.ts:259 1–2 CI failures (audit long tail) A 50 ms refocus timer can land mid-fill and type the description into the name field. Once the name field is focused, wait out a page timer of CREATE_PROJECT_REFOCUS_DELAY_MS; equal-delay timers fire in order.
project-pr-review.spec.ts:3520 1–2 CI failures The same timer pattern in CreateProjectWorkItemDialog. Wait for toBeFocused() on the title, which only that timer can satisfy.
thread-load-failure.spec.ts:79 1–2 CI failures openWelcomeThread branched on a one-shot count() and fell back to a hover-only Reply click. Wait for the summary row, then click it.
virtualization.spec.ts:201 1–2 CI failures The drop point sat 2 px above the target's bottom edge, after two fixed frames. Drop at the centre, after dnd-kit's live region names the target.
channel-composer-overflow.spec.ts:217 1–2 CI failures Same-second emits sort by id, and the clearance was checked once. createdAt: base + i and expect.poll.
scroll-history.spec.ts:1289 1–2 CI failures A fixed 250 ms wait before idle sampling. Poll for coverage first.

Local before/after counts are from the original flakey-tests commits (e286a6ae0, 816c7c35e, 67185df6a). Each used a forcing that made main's copy fail with CI's signature:

Test Before After
§2 3/15 15/15
§4 0/10 10/10
§6 :222 0/3 3/3
§6 :297 0/3 3/3
§12 0/3 3/3
§15 0/3 3/3
§17 1/4 4/4
§19 late-wheel modes 0/3 3/3 and 2/3
§23 2/6 6/6
project-commit-detail 0/3 3/3
project-pr-review 0/3 3/3

§20, §21, thread-load-failure:79, virtualization:201, channel-composer-overflow:217 and scroll-history:1289 were not reproduced; they get the fix that matches their CI signature.

Not fixed (follow-up): virtualization:247 also has a product-side mode. In one frame after a prepend, scrollHeight can drop 458–639 px while scrollTop moves only 50–114 px, so the anchor row jumps 382–457 px. That is lost anchor compensation, and this test can still fail on it.

Verification

This branch was pushed without local re-verification, by the user's choice: local test runs were overloading the machine and failing for that reason. Hosted CI is the check. It was pushed with git push --no-verify, because the pre-push hook runs typecheck and the unit suites. #8613's flake-check lane will also repeat the changed specs.

  • Every file except virtualization.spec.ts is byte-identical to its final version on flakey-tests (67185df6a). That file carries only this PR's hunks; see "Merge order".
  • Checked for this PR: git diff --check, biome on the partial spec (no changes, the same as on main), and a conflict-free merge with all six siblings onto main.

Readiness

Test and mock-bridge change; the one product edit is a constant extraction with its value unchanged. AGENTS.md's readiness steps (agent review, then human confirmation) are still outstanding, so buzz-review-completed is not set.

Merge order

No required order. desktop/tests/e2e/virtualization.spec.ts is also edited by flakey-tests-desktop-races, which adds one test after line 929; this PR's hunks are all above line 551. They don't touch, so the two merge cleanly in either order, as checked with git merge-tree.

Sibling PRs

Split from flakey-tests (one PR per area): #8676 (PostgreSQL lease + lane), #8677 (relay E2E helper + Windows shell), #8678 (mobile), #8679 (Tauri apt cache + Windows Rust cap), #8680 (desktop product races), #8682 (desktop E2E composer + row actions).

🤖 Generated with Claude Code

@matt2e @claude
test(desktop): gate flaky E2E specs on the state they assume
e23cf4d 
Test-side fixes for §2, §4, §6, §12, §15, §17, §19, §20, §21 and §23 of
the 21-28 Oct 2026 desktop E2E audit, plus six long-tail rows. Test
code and mock-bridge seams, plus one product constant extracted with
its value unchanged. Line numbers are as on main and in the cited runs.

Pre-check: origin/main (eda26b9) has no desktop test or e2eBridge
changes that cover these. #8622, #8244 and #8386 touch some of these
spec files, but not the tests fixed here. Draft #8279 queues
cold-launch nostr-bind links in the product, but its mock returns null,
so the §12 listener seam is still needed. §7 mode A (navigation:472) is
left to open PR #6852, which already sets the width and measures in one
polled evaluate.

Before/after counts come from running main's copy and the changed copy
of each spec under the same forcing (pnpm build:e2e, --retries=0
--trace=off, Playwright outside the sandbox). The forcing hooks (CDP CPU
throttle, held timers, delayed listeners, pinned toasts, late wheels,
stretched Web Animations, a seed timed into a wall-clock second) lived
in a local bridge.ts patch and generated spec copies, and are not
committed. Where no forcing made main's copy fail, the entry says so.

Mock-bridge seams (src/testing/e2eBridge.ts, tests/helpers/bridge.ts)
- `__BUZZ_E2E_EVENT_LISTENER_COUNT__(event)`: counts live app listeners
  per Tauri event by wrapping the mocked `plugin:event|listen` and
  `unlisten` commands (§12). The spec-facing
  `__TAURI_INTERNALS__.listen` passes a marker target object that the
  wrapper skips, so a spec's own subscription (persona-sync.spec.ts:104
  subscribes that way) cannot satisfy the wait. Tauri 2.11.1's mock
  ignores targets, so delivery is unchanged. A throwaway diag showed a
  spec-surface listen leaves the count at 0 and still receives the
  emit, an app-style listen counts 1 and drops to 0 on unlisten, and
  with the target check removed the spec listen counts 1.
- `deferFirstChannelsRead`: arms the existing channels-read hold at
  boot, released with `__BUZZ_E2E_RELEASE_CHANNELS_READ__` (§23).

§2 overscroll-boundary.spec.ts:34 (and its sibling)
  Runs: 39601763602, 40367495044, 40583830861, 40597484657, 40373404267
  Cause: the `message-timeline` test id first lands on the loading
  skeleton, which does not overflow, so the scroll lock rightly cancels
  the wheel and the "not prevented" expectation at :66 fails.
  Change: wait for a rendered row and content taller than the viewport
  before dispatching wheels.
  Counts (6x CPU throttle, 15 repeats): before 3/15 pass (all failures
  at :66), after 15/15.

§4 project-conversation-load-failure.spec.ts:73
  Runs: 40367495044 (all 3 attempts), 40608383847, 40583830861, and PR
  runs 39541263507, 40509460168
  Cause: the seeded root and reply were dated `now` and `now + 1`. The
  panel's live REQ uses `since = floor(now)` and the mock replays
  stored events with `created_at >= since`, so the reply still arrived
  live, the panel rendered the list, and "Couldn't load replies" never
  appeared.
  Change: date both events a minute in the past and correct the
  comment that said seeding before the subscription was enough.
  Counts (seed forced into the first 30 ms of a wall-clock second, 10
  repeats): before 0/10 (CI's error-card signature), after 10/10.

§6 workflows.spec.ts createWorkflow cluster (:222, :365, :297, :525,
   :471, :406, :614, :997)
  Runs: 14 of 50 main jobs; :222 x4, e.g. 40353619362.
  Cause (:222 and the createWorkflow callers): the "Action" header
  switches at once, but AnimatePresence mode="wait" keeps the trigger
  body mounted through its 0.15 s exit, so getByLabel("Message text")
  can fill the trigger's condition field. The action saves without
  text and the activation dialog never opens.
  Change: also wait for the step body's own "Step details" control
  before filling.
  Counts (:222, every Web Animation 10x longer, 3 repeats): before 0/3
  (CI's wait for the "Turn on" button), after 3/3.
  Cause (:297): selectWorkflowChannel probed isVisible() and then
  clicked. A create dialog opens its channel list itself one frame
  after mount, so a probe taken before that frame reads "closed" and
  the click lands on the open list.
  Change: create dialogs wait for the list; only the duplicate dialog,
  which never opens it itself, clicks.
  Counts (probe forced to read "closed", 3 repeats): before 0/3
  (strict mode violation), after 3/3.

§12 nostr-bind.spec.ts (:156, :198, :228, :247, :260, :335, :417, :447)
  Runs: 8 main jobs, each test once.
  Cause: the spec emitted deep-link-nostr-bind once the mock bridge
  existed, but the app subscribes only after boot and the mocked emit
  drops events with no listener.
  Change: wait for __BUZZ_E2E_EVENT_LISTENER_COUNT__ to report the
  listener before emitting.
  Counts (listener registration delayed 1 s, :156, 3 repeats): before
  0/3 (CI's wait for nostr-bind-page), after 3/3.

§15 profile.spec.ts:1128 "renders agent profile ingress subviews from
    the Playwright mock bridge" (integration)
  Runs: 7 of 50 main jobs.
  Cause: the 320 ms motion-sampling window started before the click,
  so a slow click or frame spent it before the tab moved.
  Change: start the window when activeTab reads "runtime"; the window
  length is unchanged.
  Counts (click 400 ms after sampling starts, 3 repeats): before 0/3,
  after 3/3.

§17 agent-availability.spec.ts:602 profile deletion (integration, both
    shutdown-failure variants)
  Runs: 6 jobs (4 disconnected-online, 2 failed-online).
  Cause: the "shutdown refused" toast can sit over the Delete row. The
  pointer left there by the first click expands it and pauses its
  dismissal, so the retry click waits on an intercepting toast.
  Change: assert the toast, then retry with focus + Enter (the toaster
  has no close button).
  Counts (toast pinned over the row with the pointer on it, 4 tests):
  before 1/4, after 4/4.

§19 virtualization.spec.ts:247 "08 - cascading older pages never snap
    the viewport toward newest"
  Runs: 4 of 50 main jobs; PR 40605736093 failed all three attempts.
  Cause: the 120 ms and 400 ms windows were timed from before the wheel
  bursts, and CDP can deliver wheels late. A late last upward delta was
  read as anchor drift (exactly 15, the -15 delta), and late exit
  wheels closed the 400 ms window before any travel.
  Change: count the wheels the page receives. Each window starts at the
  first wheel and closes only after all of them have landed; the exit
  window also waits for two still frames. Assert every wheel arrived.
  The drift baseline waits for three still frames.
  Counts (3 repeats each):
    last upward delta 150 ms late: before 0/3 (maxDrift 15), after 3/3.
    exit burst 450 ms late: before 0/3 (maxForwardTravel 0), after 2/3;
      the failure is the product mode below, not the exit window.
  Not fixed: a second, product-side mode. Unforced, main's copy failed
  3/5 and 4/8; this copy 1/5 and 2/8. A per-frame trace shows that in
  one frame after a prepend, scrollHeight drops 458-639 px but
  scrollTop moves only 50-114 px, so the anchor row jumps 382-457 px
  and stays there (CI also logged 428). That is lost anchor
  compensation in the product, and this test can still fail on it.

§20 message-copy-link.spec.ts:160 "pending and huddle rows omit both
    copy-link surfaces"
  Runs: 4 of 50 main jobs (5 failed attempts), e.g. 40595483966.
  Cause: the huddle row reused id "d".repeat(64), the seeded
  REACTION_TARGET_EVENT_ID: an ordinary kind-9 #general message with a
  copy-link button, matching CI's "Expected 0, Received 1" on that id.
  Change: ids no seed uses ("2e" and "1d" x32), and emit only after
  waitForMockChannelHeadReady.
  Counts: not reproduced; main's copy passed 3/3 under three forcings.

§21 navigation.spec.ts:687 "message links to visible root messages open
    the thread panel"
  Runs: 4 of 50 main jobs.
  Cause: the pending chip's boundingBox() was read once and can be null
  while the sent row is still mounting.
  Change: poll until the chip has a width, and compare against that.
  Counts: not reproduced; main's copy passed 3/3 with the chip hidden
  for 600 ms after mount.

§23 sidebar-snapshot.spec.ts:358, :388, :438
  Runs: PR 40427822003, all three attempts; never on main.
  Cause: the 500 ms loading-state budget counts from goto and includes
  app boot, so on a slow runner the channels read finishes first.
  Change: hold the first channels read with deferFirstChannelsRead,
  assert the loading state, then release it.
  Counts (800 ms after goto, 3 tests x 2): before 2/6, after 6/6.

Long tail (one or two CI failures each)
  project-commit-detail:259: the dialog autofocuses the name field on
    open and focuses it again from a 50 ms timer, which can land
    mid-fill and type the description into the name. Change: once the
    name field is focused, wait out a page timer of the same delay;
    equal-delay timers fire in order. The delay is now
    CREATE_PROJECT_REFOCUS_DELAY_MS in createProjectFormFocus.ts,
    imported by both CreateProjectFormContent and the spec, so changing
    the delay changes the wait (its own module, so the Playwright
    runner does not load the component's import graph). Counts (50 ms
    timers held until the description is focused, 3 repeats): before
    0/3, after 3/3. A plain toBeFocused() wait also failed 0/3.
  project-pr-review:3520: the same timer pattern in
    CreateProjectWorkItemDialog, but the title field is not autofocused
    (the category select precedes it), so toBeFocused() can only be
    satisfied by the timer and holds for any delay. Counts (same
    forcing): before 0/3, after 3/3.
  thread-load-failure:79: openWelcomeThread branched on a one-shot
    count() and fell back to a hover-only Reply click, which is what
    failed in CI. Change: wait for the summary row, then click it.
    Not reproduced (3/3 unthrottled and at 6x).
  virtualization:201: the drop point sat 2 px above the target's bottom
    edge and the drop followed two fixed frames. Change: drop at the
    centre, after dnd-kit's live region names the target. Not
    reproduced (3/3 both at 4x).
  channel-composer-overflow:217: same-second emits sort by id, so the
    last emitted is not always the bottom row, and the clearance was
    checked once. Change: createdAt base + i, and expect.poll. Not
    reproduced (3/3 both at 4x).
  scroll-history:1289: a fixed 250 ms wait before idle sampling.
    Change: poll for coverage first; the idle samples still catch a
    stale range. Not reproduced (3/3 both at 4x).

Follow-ups, not in this change:
- §19 product mode (virtualization:247): anchor compensation is lost
  after a prepend; this test can still fail on it.
- §7 mode B (navigation:472 positionOverFragment 81.35) and §14
  video-attachment:844 (1 px shift) need a failing trace.
- §12 product question: whether a real cold-start deep link can arrive
  before listen(); draft #8279 queues cold-launch links.
- Drop both create-project refocus timers in favour of Radix
  onOpenAutoFocus targeting the field, which removes both waits.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
Signed-off-by: Matt Toohey <contact@matttoohey.com>
This was referenced Oct 29, 2026
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matt2e marked this pull request as ready for review October 29, 2026 06:02
@matt2e
matt2e requested a review from a team as a code owner October 29, 2026 06:02
@github-actions github-actions Bot added the codex-security-review-current The posted Codex security review matches its recorded range. label Oct 29, 2026
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github-actions Bot commented Oct 29, 2026 •
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🔐 Codex Security Review

Note: This is an automated, security-focused review generated by Codex.
Use it as a supplement to human review; false positives are possible.

Scope

  • Exact PR diff: 7c165c371845792b6752c642c6351a16b025268c...c6f493f2336b6d7647c7f344f480bd146c3eefa7
  • Model: gpt-6.1-sol

💡 Click "edited" above to see earlier reviews for this PR.

Review Summary

Overall Risk: NONE

No concrete security, correctness, or reliability regressions found in the authorized PR range.

Findings

No concrete security, correctness, or reliability findings were identified.

Notes

  • Review used read-only source and history inspection. Builds and tests were not executed.

Generated by Codex Security Review |
Requested by: @matt2e |
Workflow run

@matt2e Jitter @claude
test(desktop): count app event listeners without rewrapping invoke
c6f493f 
Wrapping `__TAURI_INTERNALS__.invoke` after mockIPC broke specs that trap
mockIPC's assignment of it: terminal-wheel recursed through its own trap
and the app never booted, and agent-control-regressions applied its
observer hold twice, so the second hold was never released. Mock the
event plugin inside the IPC callback instead, as `shouldMockEvents`
does, and count live app listeners there.

Co-authored-by: Jitter <2b2e6415e748c35180847a37aadae06a11e30dddc76b784e7fd9354c4eb42e7a@buzz.block.builderlab.xyz>
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
@github-actions github-actions Bot removed the codex-security-review-current The posted Codex security review matches its recorded range. label Oct 29, 2026
@github-actions github-actions Bot added the codex-security-review-current The posted Codex security review matches its recorded range. label Oct 29, 2026
jedwards27
jedwards27 approved these changes Oct 29, 2026
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🤖 :bot: Jude’s code review agent

Verdict: APPROVE

Reviewed: eda26b9423328a06960bb0d5fd4c1af54600c419..c6f493f2336b6d7647c7f344f480bd146c3eefa7 (exact head c6f493f2336b6d7647c7f344f480bd146c3eefa7)

Risk: medium. This changes Desktop E2E specs plus the E2E mock bridge, including Tauri event mocking and channel-read deferral seams. The only production-source change is extracting the existing 50 ms project-create refocus delay into a constant with the same value.

Behavior/contracts traced:

  • E2E Tauri event mocking still delivers registered callbacks while exposing __BUZZ_E2E_EVENT_LISTENER_COUNT__ for app listeners only; spec-owned listeners are marked so they cannot satisfy the app-subscription wait.
  • deferFirstChannelsRead is a one-shot boot read hold; later get_channels reads cannot join the held promise.
  • The project-create form still uses the same 50 ms refocus behavior; tests import the extracted constant only to avoid racing that unchanged UI timer.
  • The spec changes wait for the state each assertion assumes: rendered/overflowing timeline rows, mounted listeners, settled channel heads, focused fields, visible workflow step controls, settled wheel input, and settled virtualized coverage.
  • Product/UI/adversarial pass found no user-visible behavior change or accessibility regression introduced by the PR. Keyboard retry in the delete-agent test mirrors a real accessible path when the toast overlays the pointer target.

Findings: none blocking or non-blocking.

Author action: none.

Verification owner: none for this PR. The already-disclosed remaining product-side virtualization:247 anchor-compensation mode is a follow-up/product fix, not author rework for this test-side flake-gating PR.

Validation:

  • Final freshness/metadata at the reviewed head: gh api user --jq .login → jedwards27; PR author is matt2e; remote head still c6f493f2336b6d7647c7f344f480bd146c3eefa7; local git rev-parse HEAD matched; git status --short was clean.
  • git diff --check eda26b9423328a06960bb0d5fd4c1af54600c419..HEAD passed.
  • GitHub status rollup at final check: 82 contexts, no pending or failed required contexts.
  • Exact-head local Desktop checks considered for this review: pnpm --dir desktop typecheck passed; pnpm --dir desktop build:e2e passed; pnpm --dir desktop test passed (165/165); pnpm --dir desktop check exited 0 with 3 Biome warnings in unchanged files outside this PR’s diff.
  • Focused smoke E2E after build:e2e passed: 160 passed, 1 skipped, covering the changed smoke specs.
  • Focused integration E2E passed for agent-availability.spec.ts and profile.spec.ts (44/44).
  • CI includes 10/10 Playwright smoke flake-check lanes, Desktop JS, Desktop smoke E2E shards, Desktop Windows build, macOS Desktop build, Desktop E2E Integration shards, Semgrep OSS, zizmor, and DCO Check all successful or correctly skipped for this change.

Manual/native evidence: no native manual run was required for a test/mock-bridge PR with unchanged production UI timing. User-visible state coverage came from the focused exact-head E2E runs above.

Residual risk: residual flake risk is limited to the product-side virtualization anchor-compensation issue the PR explicitly leaves for follow-up. I did not find a PR-introduced code/product/test defect that requires author action.

matt2e added a commit that referenced this pull request Oct 29, 2026
@matt2e @claude
test(desktop): settle composer edits and press hover-only row actions…
428f0dc 
… by keyboard (#8682)

## Summary

Test-side fixes for the two largest desktop E2E flake clusters in the
21–28 Oct 2026 CI audit:

- **Composer `fill()` races the app's deferred focus-to-end** (§1). Text
was appended to the old draft, or a clear did nothing.
- **Clicks on the hover-only message action bar while the timeline
re-pins** (§3/§8/§18). Reply and more-actions clicks timed out or were
intercepted.

Two shared helpers replace the per-spec workarounds, and §9 rides along
because its spec now imports them. The PR changes test code only. It is
one of seven PRs split out of the `flakey-tests` branch (siblings
below).

### Related issue

None found. #8559, #8622 and #8613 touch these specs or helpers, but had
no coverage for these clusters. Draft #8661 edits
`empty-edit-delete.spec.ts`'s `submitEmptyEdit` and `beforeEach`, the
same lines as this PR.

### New helpers

- `tests/helpers/composer.ts`:
- `clearComposer` waits for the app's focus, then repeats select-all +
Delete through the editor keymap until the editor is empty (250 ms per
try, 5 s overall).
- `replaceComposerText` clears, then fills. On an empty document, a late
collapse to the end is a no-op.
- `tests/helpers/channelHeadReady.ts`:
  - `GENERAL_CHANNEL_ID`.
- `openGeneral` clicks `#general`, then calls
`waitForMockChannelHeadReady`.
- `pressRowAction(button)` does focus + Enter. The action bar also shows
on focus-within, and more-actions is a Radix trigger that opens on
Enter.

### Flaky tests fixed

| Test | Failing runs | Cause | Change |
|---|---|---|---|
| §1 `inbox-edit.spec.ts:525` | 39641311877, 39821769576, 40333705511,
40348069929, 40388246283 | **Append:** entering edit mode, or closing
the non-member mention dialog, focuses the end of the draft in deferred
steps: RAF, a nested RAF, then ProseMirror's 20 ms selection resync.
`fill()` selects and inserts in separate protocol steps, so a step that
lands in between collapses the selection and the text is appended.
**Clear does nothing:** `fill("")` presses Delete before ProseMirror
handles `selectionchange`, so the editor blocks it. | `clearComposer` /
`replaceComposerText` |
| §1 `inbox-edit.spec.ts:560` | 39538411386, 39821769576 | Same as
above. | Same |
| §1 `mention-recipients.spec.ts:591` (both variants) | 39799090750,
40374286094, 39641311877 | Same | Same |
| §1 `mention-recipients.spec.ts:691` (both variants) | 40348069929,
40556019361, 39601763602 | Same | Same |
| §1 `messaging.spec.ts:3799` | 39827234118, 40445481983 | Same, plus a
bare `#general` click and a `force: true` Reply | Same, plus
`openGeneral` and `pressRowAction` |
| §1 `messaging.spec.ts:4022` | 40389392495 | Same | Same |
| §1 `messaging.spec.ts:4289` | 39822883395, 40557808800, 40566841699 |
Same | Same |
| §1 `messaging.spec.ts:4368` | 40574058918 | Same | Same |
| §1 `remote-owned-mentions.spec.ts:463` (both variants) | 39618692657,
40374286094, 40382726903, 40389392495, 40582387515 | Same, after the
Invite dialog closes | Same |
| §3 `messaging.spec.ts` :3531, :3647, :4122, :4208, :4450 (root and
reply) and :4633 (keyboard and button) | :3531 40583830861, 40595483966.
:3647 40566841699, 40597484657. :4122 39641311877, 40368315739,
40368363357. :4208 39525092486, 39796569342, 40367495044. :4450
39796569342, 40348069929, 40373404267. :4633 39530486096, 40348069929,
40368315739, 40582387515, 40368363357 | The action bar is
`pointer-events-none` until its row is hovered. Opening `#general`
refreshes the head after the live subscription lands, and the timeline
re-pins, so the row moves out from under the pointer. `force: true` only
hid this. | `openGeneral`, then `pressRowAction` on Reply or
more-actions. Six more messaging tests that used hover + `click({ force:
true })` get the same change, and each first waits for its last row to
contain the sent root. |
| §18 `thread-follow.spec.ts:350` | 39529963092, 40348069929,
40583830861 (all 3), 40595483966; PR 39541263507 (all 3) | Same; the
composer overlay intercepts the more-actions click. | Same |
| §8 `thread-head-stale-edit.spec.ts:55` | 39525092486, 39618692657,
39796569342, 39822883395, 40011714848, 40281448810, 40368363357,
40389392495, 40445481983, 40574058918; PR 40031299575 (all 3) | Same
(used `force: true`) | Same |
| `file-attachment.spec.ts:165` | 1–2 CI failures (audit long tail) | A
more-actions click on a moving timeline | Same |
| `empty-edit-delete.spec.ts` (`openMoreActionsMenu`, `submitEmptyEdit`,
the non-empty edit, `beforeEach`) | Covered under §11 in the
desktop-races sibling | The same hover and `fill` races | The head-ready
wait before emitting, `pressRowAction`, `clearComposer` and
`replaceComposerText`. The autocomplete table rows keep their
back-to-back keys, which is what they test. |
| §9 `file-attachment.spec.ts:419` "upload progress floats above the
dock and lifts Jump to latest" | 10 of 50 main jobs, including
40583830861, 40597484657, 40608383847 | A programmatic `scrollTop` keeps
the bottom intent armed. The upload card resizes the content, the
timeline re-pins, and the pill unmounts under `boundingBox()`. The fixed
250 ms wait read the card mid-slide. | `scrollTimelineUp()` leaves the
bottom with a real wheel, and one `expect.poll` checks all three layout
relations. |

Local before/after counts are from the original `flakey-tests` commits
(e286a6ae0, 816c7c35e, c66f411f3, 67185df6a), running `main`'s copy and
the changed copy side by side under forcings:

- **§1 at 4× CPU throttle:** 130/130 after; `main`'s copies ranged from
5/10 to 10/10.
- **§1 with `selectionchange` delayed, a stretched resync, or a gap
inside `fill()`:** `main`'s copies 0/5 to 4/5 and 0/20; after 65/65 and
20/20.
- **§3 at 4× throttle:** `main` had 3 Reply-click timeouts at :4208 and
3 at :4633 (keyboard); after 120/120.
- **`file-attachment:165`:** 0/3 before, 3/3 after.
- **§9 unforced:** 4/5 before, 5/5 after.

These were measured with the helper's first version, which waited two
frames plus the 20 ms resync. The final state-based helper ran unforced
only: 157/157 and then 196/196 over the touched specs. Its retry was not
checked under a forced late collapse. :3531, :3647, :4122, :4450 root,
:4633 button, `thread-head-stale-edit:55` and the six force-click tests
were not force-reproduced; they get the fix that matches their CI
signatures and reproduced siblings.

Dropped:

- `mention-recipients.spec.ts:933` (40608383847) fails on
`flavors.handled`, which is unrelated.
- `persistent-agent-audience.spec.ts:828` (`@Mor@Morg`) did not
reproduce in 79 forced runs.

### Verification

This branch was pushed without local re-verification, by the user's
choice: local test runs were overloading the machine and failing for
that reason. **Hosted CI is the check.** It was pushed with `git push
--no-verify`, because the pre-push hook runs typecheck and the unit
suites. #8613's flake-check lane will also repeat the changed specs.

- Every file except `empty-edit-delete.spec.ts` is byte-identical to its
final version on `flakey-tests` (67185df6a). That file carries only this
PR's hunks; see "Merge order".
- Checked for this PR: `git diff --check`, biome on the partial spec (no
changes, the same as on `main`), and a conflict-free merge with all six
siblings onto `main`.

### Readiness

Test-only change. AGENTS.md's readiness steps (agent review, then human
confirmation) are still outstanding, so `buzz-review-completed` is not
set.

### Merge order

No required order. `desktop/tests/e2e/empty-edit-delete.spec.ts` is also
edited by **flakey-tests-desktop-races**, which adds the autocomplete
table after line 158. This PR changes imports, helpers, `beforeEach` and
line 143. The hunks don't touch, so the two merge cleanly in either
order, as checked with `git merge-tree`. Draft #8661 edits the same
`submitEmptyEdit`/`beforeEach` lines; whichever lands second will need a
rebase.

### Sibling PRs

Split from `flakey-tests` (one PR per area): #8676 (PostgreSQL lease +
lane), #8677 (relay E2E helper + Windows shell), #8678 (mobile), #8679
(Tauri apt cache + Windows Rust cap), #8680 (desktop product races),
#8681 (desktop E2E state gates).

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Signed-off-by: Matt Toohey <contact@matttoohey.com>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
@matt2e
matt2e merged commit 0052b23 into main Oct 29, 2026
152 of 153 checks passed
@matt2e
matt2e deleted the flakey-tests-desktop-e2e-gates branch October 29, 2026 22:59
matt2e added a commit that referenced this pull request Oct 29, 2026
@matt2e @claude
ci: cache the Tauri apt .debs and fit a cold Windows Rust run in its …
b1f76ef 
…cap (#8679)

## Summary

Fixes the two CI workflow defects that turned `main` red most often in
the 21–28 Oct 2026 audit:

- **Desktop Tauri:** the lane now caches its apt `.deb`s. It no longer
re-downloads 62 MB from a slow Ubuntu mirror on every run.
- **Windows Rust:** the lane drops a duplicate `cargo check` and gets a
60 min cap, so a cold run can save its cache.

It also updates #8613's `scripts/flake-check.test.mjs`, which breaks
once the Tauri package list moves into an env var. There are no product
code or test-behaviour changes.

This is one of seven PRs split out of the `flakey-tests` branch
(siblings below).

### Related issue

None found. #8613 touched both workflows after the audit, but not these
steps. No open PR changes how the Tauri packages are fetched, the
Windows timeout, or its Check (workspace) step:

- #8422, #8321 and #8373 only add packages to the list, and would now
add them to `TAURI_APT_PACKAGES`.
- #8414 adds two mesh-llm Tauri steps to the Windows job. If it lands,
they must fit the cold budget below.

### CI failures fixed

| Lane / test | Failing runs | Cause | Change |
|---|---|---|---|
| Desktop Tauri, "Install Tauri dependencies (Linux)"
(`_ci-desktop.yml`) | 62 jobs in 51 run attempts, 22–27 Oct. On main:
39821769576, 39822883395, 39827234118, 40333705511, 40342468627,
40348069929, 40353619362, 40368315739, 40373404267, 40374519539,
40556742929 | All 3 `ci-apt-retry.sh` attempts hit their 420 s limit
while `azure.archive.ubuntu.com` served the 62 MB at 20–65 KB/s. The
25.5 MB `libwebkit2gtk-4.1-0` alone takes a whole attempt, and each
attempt loses its partial download. | The package list moves to a
job-level `TAURI_APT_PACKAGES`. A new "Resolve Tauri apt archives" step
builds the cache key from `apt-get install --print-uris -o
Acquire::ForceHash=SHA256` (name, size and SHA256 per file).
`actions/cache/restore` uses that key. The install step copies only the
restored files whose SHA256 matches the signed index, because apt 2.8.3
reuses any same-size cached `.deb` without hashing it. A best-effort
rebuild keeps exactly the listed files. `actions/cache/save` runs only
on core-lane pushes after a successful rebuild; PR runs never save. |
| Windows Rust (`_ci-rust.yml`) | All on main: 39796569342 (job
119885795086), 39821769576 (119975358772), 39827234118 (119994286695),
39865872891 (120128351939), 40402556064 (121852634685) | Every test
passed. Cold steps take 41.3–43.5 min, so the 45 min cap cancelled the
`Swatinem/rust-cache` post-run save 1.6–3.7 min in. No cache was
written, and the next push was cold again. | Delete "Check (workspace)".
The clippy step before it covers the same `--workspace --all-targets`
set with `-D warnings`, which saves 2.0–2.8 min. Raise `timeout-minutes`
from 45 to 60, with the measured breakdown in a comment: 39–41 min of
steps, a ~4.5 min save and ~15 min of margin. |
| `scripts/flake-check.test.mjs` "repeat invocations mirror the lanes
they stand in for" | None in CI yet: it fails only with this change
applied | #8613 added this test after `flakey-tests` branched. It checks
that the advisory `flake-tauri` lane installs the same packages as the
Desktop Tauri core lane, by regex-matching the inline `apt-get install
-y --no-install-recommends \` list in `_ci-desktop.yml`. That list now
lives in `TAURI_APT_PACKAGES`, so the regex matched nothing and the test
failed with "Desktop Tauri apt packages". | Read `TAURI_APT_PACKAGES`
from `_ci-desktop.yml` and compare package names (12 on each side) with
`_ci-flake.yml`'s list. Renaming one package in `_ci-flake.yml` still
fails the test. Giving the `flake-tauri` lane the same read-only `.deb`
restore is a follow-up. |

Local evidence is from the original `flakey-tests` commit (9aa768a3b):

- The apt steps ran verbatim in Ubuntu 24.04 containers with apt 2.8.3,
with the cache restore and the save step's `if:` emulated.
- On a miss, the install fetches everything ("Need to get 254 MB"). On
an exact hit with the network down, it fetches nothing ("Need to get 0
B/254 MB").
- On a fallback with one `.deb` missing and one corrupted at the same
size, the hash check rejects the corrupt file, and apt re-fetches only
the corrupt and missing files.
- The key was identical in all four simulated jobs.
- The Windows numbers come from the jobs API for the five runs above.

On this branch, the split session ran the `scripts/` node tests:
`ci-selection`, `ci-required-gates`, `ci-apt-retry` and `flake-check` on
macOS gave 84 pass, 0 fail and 8 skipped (Linux-only). Before the
`flake-check.test.mjs` fix, that test failed 1 case. The same session
ran actionlint 1.7.12 with shellcheck, which was clean, and the
rust-cache contract scripts, which passed.

### Verification

This branch was pushed without further local re-verification, by the
user's choice: local test runs were overloading the machine and failing
for that reason. **Hosted CI is the check.** It was pushed with `git
push --no-verify` over SSH. The pre-push hook runs tests, and the HTTPS
token lacks the `workflow` scope.

Only hosted CI can show:

- The runner's real package list (about 62 MB) and the same key in all
three Tauri lanes.
- The `actions/cache` round trip. The first PR run misses, because
`main` has no key yet. After merge, the first push to `main` saves it.
- A cold Windows run saving its cache within the new cap. The next
toolchain bump or cache eviction will show it.

Remaining risk: after Ubuntu updates a large package, runs fetch it from
the mirror until a push to `main` saves a new key.

### Readiness

CI-only change. AGENTS.md's readiness steps (agent review, then human
confirmation) are still outstanding, so `buzz-review-completed` is not
set.

### Merge order

Independent of the other six. It merges cleanly onto `main`, and with
every sibling, in any order.

### Sibling PRs

Split from `flakey-tests` (one PR per area): #8676 (PostgreSQL lease +
lane), #8677 (relay E2E helper + Windows shell), #8678 (mobile), #8680
(desktop product races), #8681 (desktop E2E state gates), #8682 (desktop
E2E composer + row actions).

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Signed-off-by: Matt Toohey <contact@matttoohey.com>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
matt2e added a commit that referenced this pull request Oct 29, 2026
@matt2e @claude
test: dedupe collect_until_eose by event id and uncap two shell tests (…
1893c3a 
…#8677)

## Summary

Fixes two CI flakes from the 21–28 Oct 2026 audit, both in test code
with no product change:

- The relay E2E helper `collect_until_eose` now drops repeat copies of
an event id.
- Two Windows shell tests drop a 5 s cap that a cold Git Bash start can
exceed.

This is one of seven PRs split out of the `flakey-tests` branch
(siblings below).

### Related issue

None found for these two. The buzz-terminal `passwd_shell()` `getpwuid`
race
(`env_fence_tests::resolve_shell_falls_through_to_passwd_not_the_default`,
run 38590095289) is left to open PR #7687, which already replaces
`getpwuid`. #8636 and #7976 edit `buzz-test-client/src/lib.rs`, and
#7607 and #7915 edit `buzz-dev-mcp/src/shell.rs`, but none of them
changes `collect_until_eose` or these timeouts.

### Flaky tests fixed

| Test | Failing runs | Cause | Change |
|---|---|---|---|
| Relay E2E
`e2e_project::test_project_tombstone_deletes_coordinate_and_spares_members`
(e2e_project.rs:338, "left: 2 right: 1") | 40408678412#1, job
121879630394 (PR #8620, schema-only) | The EVENT handler sends OK, then
fans out in a spawned task. `handle_req` registers the live subscription
before its history query, and `req.rs`'s `seen_ids` dedups history rows
only. If fan-out runs after the REQ is registered, the event arrives
once live and once from history, both before EOSE, and
`collect_until_eose` kept every frame. | `collect_until_eose` keeps the
first copy of each event id, as production clients do. Its doc comment
says a test of the relay's own dedup must read frames with `recv_event`.
A new unit test, `collect_until_eose_keeps_one_copy_of_each_event_id`,
uses a fake relay that sends the duplicate. |
| Windows `buzz-dev-mcp` `shell::tests::basic_echo` (shell.rs:1026, exit
124) | 39675698081#1, job 119485363399 (green on re-run) | 124 is the
shell tool's own timeout exit code. `basic_echo` capped the shell at 5
s, and it is one of the first tests in the process to start Git Bash,
which can take longer than 5 s on a cold runner. | `timeout_ms: None`
(the production 120 s default) in `basic_echo` and in
`workdir_is_honored`, which has the same exposure. `timeout_fires` still
covers timeouts. |

Pre-check: no e2e test relies on the relay's own history dedup. Every
exact-count assertion uses a single filter. The NIP-33 "only newest
remains" assertions would see a failed replacement as two different ids,
and this dedup keeps both.

Local evidence is from the original `flakey-tests` commit (fc4518d39):

- The new unit test: FAIL before, PASS after.
- 13 of the 14 e2e files that call the helper, plus `e2e_thread_roots`,
against an isolated local relay. All pass, except `e2e_relay`
`test_unarchive_emits_member_added_notification`. That test fails by
itself 3/5 with the original helper too, and CI's Relay E2E lane doesn't
select it.
- The Windows failure can't be reproduced on macOS. The Windows Rust
lane is the check.

Follow-up (out of scope): make the relay deliver each event id at most
once per subscription, keeping the live/history overlap.

### Verification

This branch was pushed without local re-verification, by the user's
choice: local test runs were overloading the machine and failing for
that reason. **Hosted CI is the check.** It was pushed with `git push
--no-verify`, because the pre-push hook runs clippy and unit tests.

- Both files are byte-identical to their final versions on
`flakey-tests` (67185df6a).
- Checked for this PR: `git diff --check`, `rustfmt --check`, and a
conflict-free merge with all six siblings onto `main`.

### Readiness

Test-only change. AGENTS.md's readiness steps (agent review, then human
confirmation) are still outstanding, so `buzz-review-completed` is not
set.

### Merge order

Independent of the other six. It merges cleanly onto `main`, and with
every sibling, in any order.

### Sibling PRs

Split from `flakey-tests` (one PR per area): #8676 (PostgreSQL lease +
lane), #8678 (mobile), #8679 (Tauri apt cache + Windows Rust cap), #8680
(desktop product races), #8681 (desktop E2E state gates), #8682 (desktop
E2E composer + row actions).

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Signed-off-by: Matt Toohey <contact@matttoohey.com>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
matt2e added a commit that referenced this pull request Oct 29, 2026
@matt2e @claude
fix(db): keep lease releases durable and deflake PostgreSQL lane tests (
ef4130d 
#8676)

## Summary

When the user-deletion worker dropped a lease heartbeat, its pooled
connection could be left inside an open transaction. The worker's final
lease `release` then reported success but never committed, and a rerun
saw the request as "leased by another worker" for up to 60 s. The
heartbeat is now one autocommit `UPDATE`.

The PR also fixes six PostgreSQL-lane test flakes from the 21–28 Oct
2026 CI audit. It moves one relay test off the 100 ms-acquire test
helper before that test starts flaking the same way.

This is one of seven PRs split out of the `flakey-tests` branch
(siblings below). It touches only `buzz-db`, `buzz-deletion` and
`buzz-relay`. Every relay file except `connection.rs` and
`boot_lifecycle.rs` changes only for the helper rename in the last row.

### Related issue

None found. Nothing on `main` (eda26b9) or in an open PR covers these.
G, a single hermit `pgschema` 504 that needs a workflow change, is out
of scope.

### Flaky tests fixed

| Test | Failing runs | Cause | Change |
|---|---|---|---|
| `buzz-deletion`
`user::worker::postgres_tests::dummy_executor_failure_retries_same_community_stage`
(:47) and `next_step_advances_one_handler_at_a_time_through_completion`
(:131) | 40439041234 (main), 40399635380#3, 40413732817#1 | **Product
bug.** `run_stage_with_heartbeat` drops the renewal future when the
stage handler wins `select!`. The heartbeat opened a transaction. sqlx
0.9 bumps `transaction_depth` only after `BEGIN` returns, so a `begin()`
dropped mid-`BEGIN` queues no `ROLLBACK`, and the connection goes back
to the pool inside an open transaction. The worker's autocommit
`release` then ran inside it and never committed. |
`EntityDeletionStore::heartbeat` is one autocommit `UPDATE`, guarded by
`lock_owned`'s ownership/status/expiry predicate. A superseded lease is
never renewed. A new regression test,
`dropped_heartbeat_leaves_no_open_transaction_for_the_release`, drops
the real heartbeat mid-`BEGIN` through a pausing proxy. |
| `buzz-db`
`session_statement_timeouts_bound_writer_and_reader_sessions`
(runtime/tests.rs:3138, `PoolTimedOut`) | 40128463987, 40314950864#1,
40374286094 (main), 40394821009#1, 40413732817#1 | Each config's lazy
reader pool dialled cold inside the 150 ms `READER_ACQUIRE_TIMEOUT`.
`Db::new` never runs the boot ping. | Warm the reader the way the relay
boots it (`read_pool_boot_ping_for_tests` + `await_idle_floor`). |
| `buzz-relay` `startup_owns_the_dependency_sampler` (boot_lifecycle.rs)
| Torn scrape: 39865872891 (main), 39624074244#2, 40385799750#1,
40413293801#1. Early exit: 39704588623 | metrics-exporter-prometheus
0.18.3 snapshots counters, then gauges. The scrape that first shows the
completion gauge can therefore predate the `checks_total` counters. |
Assert on a second scrape, taken after the gauge is seen. On an early
relay exit, the helper now panics with the exit status, stdout and
stderr. The early exit itself was not reproduced. |
| `buzz-db`
`sample_writer_waits_for_shared_floor_lock_before_sampling_time`
(replica_fence.rs:1086) and
`replica_floor_probe_waits_for_shared_writer_and_records_after_release`
(runtime/tests.rs:3452) | 39601763602 (main), 40391445284#1,
39825846222, 40301667418 | Both scan cluster-wide `pg_stat_activity` but
ran outside the serialized `postgres-cluster-global` group. Connection
churn from other tests masked activity (`MaskedActivity { masked: 1 }`).
| Rename both with a `cluster_global_` prefix. `nextest show-config
test-groups --profile postgres-ci` lists both in the group. |
| `buzz-db`
`stalled_reader_sessions_release_their_slots_for_new_connections`
(reader_pool_postgres_tests.rs:354) | 40399635380#2 | The floor warms
one connection, so the second warm-up acquire dials cold inside 150 ms.
| Retry only that warm-up acquire on `PoolTimedOut`, for up to 5 s
(#8472's precedent). The stall under test keeps the production budget. |
| `buzz-db`
`readiness_check_cancellation_balances_waiter_and_inflight_connection`
(runtime/tests.rs:391, `Elapsed`) | 39785370353 | The test aborted
`pg_sleep(5)` after a fixed 25 ms. Recovery lands at server start + 5 s,
but the bound is abort + 5 s, a ~22 ms margin locally. | Poll
`pg_stat_activity` until the query is active, then abort. Use
`pg_sleep(1)` within the unchanged 5 s bound. |
| `buzz-relay` `upgrade_would_deny_line_is_written_at_auth_while_open`
(connection.rs) | None yet (preventive, added by #8634) | It used the
100 ms-acquire `test_state_with_database_url` against the real test
database, the same shape as the `PoolTimedOut` flakes above. | Use
`test_state_with_database_url_and_pool_options` with sqlx's default
timeout. The 100 ms helper is renamed
`test_state_with_unreachable_database_url`; all its remaining callers
use closed ports. |

Local before/after counts are from the original `flakey-tests` commit
(1f0451915), on macOS with OrbStack Postgres:

- Regression test: 3/3 FAIL before, 3/3 PASS after.
- Worker stress: 3 failures in 288 iterations before; 2,100 passing runs
after.
- Statement timeouts: 44/50 FAIL before, 50/50 PASS after.
- Sampler: 2/200 FAIL before, 200/200 PASS after.
- `MaskedActivity` under `pgbench -C`: 2/50 iterations FAIL before.
After, the lane passed 3× (613/613) but was not re-run under pgbench.
- Stalled reader: 10/30 FAIL before, 30/30 PASS after.
- Forced late-`Execute` cancellation: 10/10 FAIL before, 10/10 PASS
after.

### Verification

This branch was pushed without local re-verification, by the user's
choice: local test runs were overloading the machine and failing for
that reason. **Hosted CI is the check.** It was pushed with `git push
--no-verify`, because the pre-push hook runs clippy and unit tests.

- Every file on this branch is byte-identical to its final version on
`flakey-tests` (67185df6a), where the counts above were measured.
- Not re-run for this PR: clippy, nextest and the Postgres lanes.
- Checked for this PR: `git diff --check`, `rustfmt --check` on the
changed files, and a conflict-free merge with all six siblings onto
`main`.

### Readiness

This PR has a product fix (the `buzz-db` lease heartbeat). Under
AGENTS.md "Before opening a PR", it needs an agent review and a **human
check against a local relay** before `buzz-review-completed` is added.
Suggested check:

1. With local Postgres and a relay, submit and approve a user deletion
with `buzz-admin user-deletions submit` / `approve`.
2. Run `buzz-admin user-deletions run` until it completes, then run it
again at once.
3. Working looks like this: both runs complete, neither reports the
request as leased by another worker, and `buzz-admin user-deletions
inspect <id>` shows no leftover lease. The original race is rare and is
not expected to reproduce by hand; this check confirms releases still
commit.

### Merge order

Independent of the other six. It merges cleanly onto `main`, and with
every sibling, in any order.

### Sibling PRs

Split from `flakey-tests` (one PR per area): #8677 (relay E2E helper +
Windows shell), #8678 (mobile), #8679 (Tauri apt cache + Windows Rust
cap), #8680 (desktop product races), #8681 (desktop E2E state gates),
#8682 (desktop E2E composer + row actions).

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Signed-off-by: Matt Toohey <contact@matttoohey.com>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
matt2e added a commit that referenced this pull request Oct 30, 2026
@matt2e @claude
test(desktop): hold test 08's older page until its wheel burst lands
0c73e9e 
Flake Check run 40973558941 failed "08 — cascading older pages never
snap the viewport toward newest" at `wheelTrace.received`: expected 4,
received 1. This branch does not cause it. The deep-history mock dates
every row in its own second, so the same-second ordering change cannot
reorder this channel, and a pure prepend buffers the same before and
after the frozen-tail change. The assertion came in with #8681 about
30 minutes before the run. Main had run it 4 times since; this branch
repeats the test only because it adds one to the file.

Cause: setting scrollTop to 180 crosses the start threshold, so the
older page is fetched before any wheel is sent, and the 300 ms mock
delay runs out during the burst. The settle gate admits a held page
after 100 ms with no wheel or scroll, so a runner that pauses that long
between wheels lets the page commit mid-burst. The trace stopped at the
commit, and its count of 4 was a race against the timing.

Chromium does not coalesce these wheels. The timeline's wheel listeners
are non-passive and Playwright awaits each ack, so a standalone page
with the same listeners saw all four as separate events even under
150 ms and 300 ms main-thread stalls.

Fix: a mock-bridge hold, `__BUZZ_E2E_HOLD_CHANNEL_WINDOW_PAGES__`, on
the `__BUZZ_E2E_HOLD_USERS_BATCH__` pattern. Test 08 holds each page
before the crossing and drops the 300 ms delay and the early break. The
motion trace releases the page once it is sampling, and asserts that
exactly one page was held. The anchor baseline therefore always comes
before the commit, where before it could come after an early commit.

Forced variant, a 400 ms pause after the first wheel of page 0: before,
fails with CI's signature (expected 4, received 1); after, passes.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Signed-off-by: Matt Toohey <contact@matttoohey.com>
matt2e added a commit that referenced this pull request Oct 30, 2026
@matt2e @claude Jitter
test(mobile): keep late callbacks and fixed sleeps from failing tests (…
fae3f03 
…#8678)

## Summary

Fixes three mobile flakes from the 21–28 Oct 2026 CI runs, in test code
only:

- In two iOS `RunnerTests` classes, late bridge callbacks no longer fail
whichever test is running when they fire.
- The waits on a busy test-host main thread now cap at 10 s.
- Two Flutter avatar tests poll for the ready frame instead of sleeping
a fixed 50 ms.

This is one of seven PRs split out of the `flakey-tests` branch
(siblings below).

### Related issue

None found.

### Flaky tests fixed

| Test | Failing runs | Cause | Change |
|---|---|---|---|
| `BuzzPushSnapshotEnrichmentTests` (RunnerTests) | 40362671989 (job
121712747802, main), 39681273328#1 (job 119504560518), 40658588384 (job
122715950541, PR #8640) | The 1 s waits ran out while the test host's
Flutter app held the main thread, and the test returned and deleted its
temp directory. The bridge callback's assertions then ran later and were
blamed on whichever test was running (`ProfileSetupRecoveryTests`,
`IdentityFilePluginTests`). | Callbacks only record the value and
fulfill. Every assertion, including the `isRestricted` checks, runs
after the wait, so a late callback writes into a dead local. The seven
waits cap at 10 s (`callbackTimeout`). |
| `ProfileSetupRecoveryTests`
`testStartedEditorWithoutReadyRestoresProfileAndAllowsRetry` |
40585805357 (job 122477274956, PR #8568) | Engine release and editor
dismissal must both happen within 2 s, on the main thread the host app
keeps busy. | Both predicate waits cap at 10 s. |
| Flutter `channel_detail_page_test.dart` "profile sheet shows the
poster before autoplay and restores it on tap" and
`settings_profile_header_test.dart` "shows the poster until the animated
avatar is ready" | 40368315739 (job 121732711851, main) | After the
image response is released, both tests slept a fixed 50 ms of real time
before `pumpAndSettle`. A slower real decode left no frame scheduled, so
the ready key was missing. | A new `WidgetHelpers.pumpUntilFound` pumps
in 10 ms real-time steps until the ready key appears, capped at about 5
s. |

Local evidence is from the original `flakey-tests` commit (53aaec97c),
Xcode 27.1 on the iOS 26.2 simulator:

- Enrichment, with `Self.complete` delayed 1.5 s and 4 s: 6 failures
before, 107/107 after. With a 12 s delay, every failure lands in its
owning test. A mutated error code is still caught.
- Profile setup, with the engine release held 4 s: 2 failures before,
4/4 after. A leaked engine still fails.
- Avatar tests: under load, 94/96 before and 96/96 after. With a 200 ms
image delay, 0/5 before and 5/5 after. A widget that never signals ready
still fails.

Not included:

- The planned `AppDelegate` / `Runner.xcscheme` change that keeps
Flutter out of the RunnerTests host. It did not work locally: restored
scene sessions and the `UIMainStoryboardFile` fallback, and a normal
launch came up black afterwards.
- `IdentityFilePluginTests`
`testSyntheticDocumentsReadInPlaceAndRejectInvalidOrOversize`
(40441255307#1). It is left unchanged and stays open.

### Verification

This branch was pushed without local re-verification, by the user's
choice: local test runs were overloading the machine and failing for
that reason. **Hosted CI is the check.** It was pushed with `git push
--no-verify`, because the pre-push hook runs the Flutter tests.

- Every file is byte-identical to its final version on `flakey-tests`
(67185df6a).
- Checked for this PR: `git diff --check`, and a conflict-free merge
with all six siblings onto `main`.
- #8613's flake-check lane will repeat the two changed Dart test files.

### Readiness

Test-only change. AGENTS.md's readiness steps (agent review, then human
confirmation) are still outstanding, so `buzz-review-completed` is not
set.

### Merge order

Independent of the other six. It merges cleanly onto `main`, and with
every sibling, in any order.

### Sibling PRs

Split from `flakey-tests` (one PR per area): #8676 (PostgreSQL lease +
lane), #8677 (relay E2E helper + Windows shell), #8679 (Tauri apt cache
+ Windows Rust cap), #8680 (desktop product races), #8681 (desktop E2E
state gates), #8682 (desktop E2E composer + row actions).

🤖 Generated with [Claude Code](https://claude.com/claude-code)

---------

Signed-off-by: Matt Toohey <contact@matttoohey.com>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
Co-authored-by: Jitter <2b2e6415e748c35180847a37aadae06a11e30dddc76b784e7fd9354c4eb42e7a@buzz.block.builderlab.xyz>
shu-hui-cash added a commit that referenced this pull request Oct 30, 2026
@shu-hui-cash
Merge remote-tracking branch 'origin/main' into shu-hui-cash/s3-commu…
e025f26 
…nity-storage-calculation

* origin/main:
  fix(mobile): resolve iOS pushes on a fresh connection and retry a stale one (#8722)
  ci(loadgen): publish buzz-loadgen as ghcr.io/block/buzz-loadgen (#8717)
  test(relay): fix main's build after the test-state helper rename (#8718)
  fix(db): keep lease releases durable and deflake PostgreSQL lane tests (#8676)
  test: dedupe collect_until_eose by event id and uncap two shell tests (#8677)
  ci: cache the Tauri apt .debs and fit a cold Windows Rust run in its cap (#8679)
  test(desktop): gate flaky E2E specs on the state they assume (#8681)
  test(desktop): settle composer edits and press hover-only row actions by keyboard (#8682)

Signed-off-by: Shu Hui <shu@squareup.com>
matt2e added a commit that referenced this pull request Oct 30, 2026
@matt2e @claude Jitter
fix(desktop): fix the product races behind four E2E flakes (#8680)
1eb67bb 
## Summary

Fixes the four desktop product races behind recurring E2E flakes in the
21–28 Oct 2026 CI audit. Each fix has a regression test:

- In the channel browser, Enter acted on a stale deferred list.
- A stale autocomplete swallowed the Enter that submits an empty edit.
- Same-second messages swapped order on screen.
- The unread pill read "Jump to latest" instead of "N new messages".

Two E2E specs that failed for the same ordering reason also get
test-side fixes.

This is one of seven PRs split out of the `flakey-tests` branch
(siblings below).

### Related issue

None found for these. Draft #8559 does not fix the voice-note flake.
Draft #8661 (Refs #6733) closes the `#channel` list synchronously when
an edit is cleared. §11 below also covers that case, plus the `@mention`
and `:emoji` lists, so the two PRs overlap in `useChannelLinks.ts` and
`empty-edit-delete.spec.ts`.

### Flaky tests fixed

| Test | Failing runs | Cause | Change |
|---|---|---|---|
| §5 `channel-browser.spec.ts:402` "Enter with no matches jumps to
create" | 15 of 50 main runs, e.g. 40597484657, 40582387515,
40566841699, 40367495044 | **Product.** The list renders from
`useDeferredValue(query)`. An Enter that landed before the deferred
render read the old list, so it opened a stale match or skipped the
create row. | While the deferred query lags, Enter filters the live
query with the same `selectBrowserChannels` the list renders from. |
| §11 `empty-edit-delete.spec.ts:88`, `:111`, `:132` | :88 in 3 jobs,
:111 in 3, :132 in 2. :111 failed all 3 attempts on main 39822883395 and
39799090750 | **Product.** Clearing the draft went through the 120 ms
query debounce. The `#channel` list stayed open, so Enter re-inserted
the suggestion instead of submitting the empty edit. |
`useChannelLinks`, `useEmojiAutocomplete` and `useMentions` (typed `@`
only) close as soon as the trigger is gone. Typing a query still
debounces. `ChannelAutocomplete` gains
`data-testid="channel-autocomplete"`. |
| §10 `video-attachment.spec.ts:1469` "right-click menus expose distinct
selectors…" | 10 of 50 main runs, e.g. 40528171327 | **Product.** The
live cache merge (`sortMessages`, ascending id within a second) and the
channel-window projection (descending id) disagreed, so two same-second
rows swapped on screen as each writer landed. | A new
`shared/lib/eventOrder.ts` holds `compareRelayOrder` and its exact
reverse, `compareChronologicalOrder`. `sortMessages` and the window and
reconciliation sorts all use the window's order, so older-page paging is
unchanged. `sortEvents` keeps ascending id. The spec gives its three
messages distinct seconds. |
| §16 `voice-note.spec.ts:906` "starting a duplicate voice-note player
pauses the other instance" | 6 of 50 main runs. All 3 attempts on PRs
39622488737 and 40309414135 | Same-second messages plus index-based card
lookup. | Distinct seconds, and each card is found through its own
message row. |
| §13 `stream.spec.ts:477` "keeps scroll position when new messages
arrive above the fold" (integration) | 7 of 50 main runs. All 3 attempts
on PR 39546556833 | **Product.** Frozen rows came back reordered (7 of
12 instrumented runs). The selector ended older history at the
snapshot's first id, so moved rows were both prepended and kept in the
frozen tail. The duplicates filled the row count, `pendingCount` fell to
0, and the pill read "Jump to latest". Deleting a frozen row also
dropped the whole freeze. | `useBufferedTimelineMessages` keys rows by
`renderKey`, which is stable across an optimistic send and its ack
(`frozenRowKeys`). It drops only deleted frozen rows, and ends older
history at the first frozen row of any key. `stream.spec` is unchanged.
|

New regression tests:

- `channel-browser.spec`: two forced Enter variants.
- `empty-edit-delete.spec`: a `#`/`@`/`:` autocomplete table.
- `autocompleteTriggerClose.jsdom-test`.
- `projectChannelWindow.test`: the cache merge and the window agree in
both arrival orders.
- `channel-dense-second-reach.spec`: a RAF sampler sees one order.
- `useBufferedTimelineMessages.test`: deletion, reorder and ack rows.
- `virtualization.spec`: deleting a row while reading keeps the next
arrival counted.
- A `useThreadReplies.test` row: the thread fetch and a live append
agree on same-second order.

Local before/after counts are from the original `flakey-tests` commits
(238c08c7c, c66f411f3):

| Test | Before | After |
|---|---|---|
| channel-browser | 0/20 | 20/20 |
| autocomplete table | 0/30 | 30/30 |
| jsdom | 0/2 | 2/2 |
| dense-second sampler | 0/10 | 10/10 |
| buffered-timeline unit | 4/7 | 7/7 |
| virtualization deletion | 0/10 | 10/10 |
| `stream:477` against an isolated relay | 25/30, all failures "Jump to
latest" | 30/30, then 20/20 and 10/10 |

### Verification

This branch was pushed without local re-verification, by the user's
choice: local test runs were overloading the machine and failing for
that reason. **Hosted CI is the check.** It was pushed with `git push
--no-verify`, because the pre-push hook runs typecheck and the unit
suites. #8613's flake-check lane will also repeat the changed specs and
unit tests.

- Every file except `empty-edit-delete.spec.ts` and
`virtualization.spec.ts` is byte-identical to its final version on
`flakey-tests` (67185df6a). Those two carry only this PR's hunks; see
"Merge order".
- Checked for this PR: `git diff --check`, biome on both partial specs
(no changes, the same as on `main`), and a conflict-free merge with all
six siblings onto `main`.

### Readiness

These are **product fixes in the desktop app**. Under AGENTS.md "Before
opening a PR", this needs an agent review, an agent run of the affected
flows, and a **human in-app check** before `buzz-review-completed` is
added. Suggested check, in `just dev` or a local build against any
community:

1. **Channel browser:** open "Browse channels", type a name that matches
nothing and press Enter straight away. The create-channel flow opens
with that name. Then type an existing channel's exact name and press
Enter straight away. That channel opens, not an earlier match.
2. **Empty-edit delete:** edit one of your own messages and type `#gen`
so the channel list opens. Select all, delete, and press Enter at once.
The empty edit is submitted (the delete-by-clearing flow) and no
suggestion is re-inserted. Repeat with `@` (mention list) and `:sm`
(emoji list).
3. **Same-second order:** send two short messages in quick succession,
within one second. They appear in send order and never swap while they
land.
4. **Unread pill:** in a busy channel, scroll up past the fold, and have
a second client post one message. The pill reads "1 new message". While
still scrolled up, delete one of your visible messages, then have the
second client post again. The pill still counts the new message.

### Merge order

No required order, but two files are shared:

- `desktop/tests/e2e/empty-edit-delete.spec.ts` is also edited by
**flakey-tests-desktop-e2e-actions**. This PR adds the autocomplete
table after line 158. The sibling changes imports, helpers, `beforeEach`
and line 143.
- `desktop/tests/e2e/virtualization.spec.ts` is also edited by
**flakey-tests-desktop-e2e-gates**. This PR adds one test after line
929. The sibling's hunks are all above line 551.

The hunks don't touch, so each pair merges cleanly in either order, as
checked with `git merge-tree`. Draft #8661 overlaps this PR in
`useChannelLinks.ts` and `empty-edit-delete.spec.ts`; whichever lands
second will need a rebase.

### Sibling PRs

Split from `flakey-tests` (one PR per area): #8676 (PostgreSQL lease +
lane), #8677 (relay E2E helper + Windows shell), #8678 (mobile), #8679
(Tauri apt cache + Windows Rust cap), #8681 (desktop E2E state gates),
#8682 (desktop E2E composer + row actions).

🤖 Generated with [Claude Code](https://claude.com/claude-code)

---------

Signed-off-by: Matt Toohey <contact@matttoohey.com>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
Co-authored-by: Jitter <2b2e6415e748c35180847a37aadae06a11e30dddc76b784e7fd9354c4eb42e7a@buzz.block.builderlab.xyz>
@matt2e matt2e mentioned this pull request Oct 30, 2026
Merged
ravarora2 added a commit that referenced this pull request Oct 30, 2026
@ravarora2
Merge remote-tracking branch 'origin/main' into codex/user-deletion-e…
0c3ebcb 
…vent-guards

* origin/main: (29 commits)
  Restyle community invitations (#8728)
  feat(relay): add incremental artifact reads (#8523)
  fix(mobile): show agent DM typing and balance reply bubble padding (#8731)
  perf(relay): route author- and #p-scoped global subscriptions by selector (#8666)
  fix(desktop): fix the product races behind four E2E flakes (#8680)
  test(scripts): stop file-size fixtures leaking git repos and fsmonitor daemons (#8727)
  test(mobile): keep late callbacks and fixed sleeps from failing tests (#8678)
  fix(mobile): resolve iOS pushes on a fresh connection and retry a stale one (#8722)
  ci(loadgen): publish buzz-loadgen as ghcr.io/block/buzz-loadgen (#8717)
  test(relay): fix main's build after the test-state helper rename (#8718)
  fix(db): keep lease releases durable and deflake PostgreSQL lane tests (#8676)
  test: dedupe collect_until_eose by event id and uncap two shell tests (#8677)
  ci: cache the Tauri apt .debs and fit a cold Windows Rust run in its cap (#8679)
  test(desktop): gate flaky E2E specs on the state they assume (#8681)
  test(desktop): settle composer edits and press hover-only row actions by keyboard (#8682)
  test(desktop): measure inline video controls against their player (#8683)
  relay: open the search pool lazily so a dead reader can't block boot (#8662)
  fix(mobile): address #8650 second-pass review (#8691)
  Revert "fix(mobile): push every message in your own Solo chats (#8615)" (#8690)
  fix: don't notify workflow owners through their attribution tag (#8694)
  ...

Signed-off-by: Ravneet Arora <rarora@squareup.com>
matt2e added a commit that referenced this pull request Oct 31, 2026
@matt2e @claude
test(desktop): settle five E2E flake classes before measuring or acting
0fcf619 
Units 6-9 of the 23-30 Oct desktop Playwright flake audit. All are
test-only. origin/main (1eb67bb, now including #8680) hasn't touched
these specs since fae3f03. No open PR touches the tests changed here:
#6134 (conflicting since 10-19) only swaps page.goto calls in three of
these files, #8187's hunk starts just after workflow-local-controls:151,
#5778 (draft, conflicting) creates projects-v3-screenshots from an
older base, and #8622, #7452, #7812, #8244 and #3342 edit other tests
in the same files.

Unit 6: measuring before an animation finishes

onboarding.spec.ts:1487, "hosted community address line stays within
the card for a long name"

Run: #8715 (Integration shard 1), which doesn't touch onboarding.
Signature: the centring check at :1545 expects <= 2 and receives 5.13.

Cause: "Connect and continue" ends in showPage("owned")
(WelcomeSetup.tsx:323), which mounts an OnboardingSlideTransition. Its
content slides in from translateX(48px) over 650 ms (components.css:521,
:676). fill() doesn't wait for stability, and the surface, input and
suffix boxes come from three boundingBox round trips, so they can be
read at different points of the slide.

Change: waitForAnimations(page) after the fill, before measuring.

onboarding.spec.ts:2289, "connected first-community profile keeps
navigation inside the card and balances the avatar editor"

Runs: main 40746677244 and 40925172215, and #8666 (Integration
shard 1). Signature: the spacing check at :2485 expects <= 4 and
receives 4.255.

Cause: the avatar dialog opens with MODAL_CONTENT_MOTION_CLASS, a 200 ms
zoom-in-95 (modalMotion.ts:5), and has a 250 ms height transition.
dialogBox is read in one round trip and the preview and editor boxes in
a later one, so a scale change between them skews the gap comparison.

Change: waitForAnimations(page) once the dialog is visible.

projects-v3-screenshots.spec.ts:280, "projects v3 workspace screenshot
states", failing in the expectInsetSection call at :893

Runs: main 39643531998, 40759209995 and 40969909906 (Smoke shard 8),
each passing on retry. Signature: the header's right inset at :326
expects 16 and receives 8. Four more runs fail the menu edge check at
:328 with fractional values (expected 984, received 975.6875):
39622053330, 39641311877, 40281448810 and 40856574572.

Cause: switching the context rail back from chat to repository narrows
it from the thread panel's 380 px to the repository's 280 px
(useProjectPanelWidths.ts:5, :17), animated by transition-[width]
duration-200 (ProjectContextRail.tsx:31). The workspace widens with it,
and expectInsetSection reads the workspace, header and menu boxes in
three separate round trips. The fractional widths are mid-transition
values.

Change: waitForAnimations(page) before that call, the only one that
follows a rail width change.

Unit 7: fill() racing a caret move the app makes a frame later

mention-recipients.spec.ts:376, "editing to a longer typed member
drops the original shorter reference", and :97, "ambiguous added
mention blocks editing before clearing the draft"

Runs: main 40969965981 (Smoke shard 5, a run with every earlier fix)
for :376. 40969858676 for :97, before the fixes. Signature: the
edit_message poll at :428 receives null. The error context shows the
edited message as "@scout hello @scout Jones hello": fill() appended.

Cause: entering edit mode sets the content, then focuses its end in a
requestAnimationFrame (MessageComposer.tsx:413). toHaveText passes as
soon as the content lands, before that frame. If the frame lands
between fill()'s select-all and its typing, the selection collapses and
the text is appended. #8682's replaceComposerText handles this, but
these two call sites (:115 and :403) were missed.

Change: replaceComposerText at both.

workflow-local-controls.spec.ts:151, "inserts template variables with
keyboard control and restores the caret"

Runs: main 40926393897 and 40957616146 (before the fixes), and #8239,
which changes no desktop files. Signature: :194 expects "Keep {{auth"
and receives "Hello {{trigger.text}}Keep {{auth".

Cause: selectVariable restores the caret in a requestAnimationFrame
(WorkflowTemplateTextarea.tsx:66). Setting the controlled value has
already put the caret at the end, so the selectionStart poll passes
before that frame runs. The frame then collapses fill()'s select-all.

Change: after the poll, wait two animation frames, then fill. This is a
frame barrier, not a timer. The app queued its frame before the
evaluate, so it runs first.

Unit 8: clicks that hit the wrong element

profile.spec.ts:1128, "renders agent profile ingress subviews from the
Playwright mock bridge", failing at :1543

Run: #8523, which changes no desktop files. Its base (ef4130d)
already includes #8681. Signature: archiveAgentRow.click() times out
because three stacked Sonner success toasts (data-expanded="true")
intercept the pointer.

Cause: the test's Stop and Start steps raise success toasts
(useAgentLifecycleActions.ts:51, :61). Sonner stacks them bottom right,
over the profile panel's action rows, and pauses their dismissal while
the pointer is over them. #8681 fixed this test's motion window, and
fixed the toast problem only in agent-availability:602.

Change: press the five action rows (:1528-:1547) through a local
pressActionRow helper: toBeEnabled, focus, Enter, as
agent-availability.spec.ts:744-745 does. toBeEnabled keeps the wait
click() gave, since these rows are disabled while a delete or archive
is pending.

config-bridge-screenshots.spec.ts:314, "07 — profile side panel —
Configuration section"

Runs: main 40967147375 (before the fixes), and #8235, which changes no
desktop files. Signature: "Model" isn't visible within 10 s at :352.
The error context shows nadia's panel ("Not managed on this device"),
not Charlie's.

Cause: the spec clicked .last() of the rows with a
[data-testid^="message-avatar-"] descendant. That matches only
UserAvatar's -image and -fallback children. Radix renders the image
only once it loads, and each fallback only after its own 200 ms delayMs
timer (UserAvatar.tsx:67, :119). Neither avatar in #agents has a URL,
so the matching set fills in row by row as the timers fire. Resolved
in between, .last() is nadia's row (seeded at -85 s), just above
Charlie's "reporting in." row (-80 s). The note blamed a misplaced
click; the code points at locator resolution instead.

Change: pick Charlie's row by its text, as profile.spec.ts does for
Charlie's other #agents message. Then check the panel's name row reads
charlie before opening Runtime, so a wrong panel fails there and says
so.

Unit 9: the createWorkflow copies (preventive)

navigation.spec.ts:153, "direct workflow detail links close back to
workflows"

Runs: 7 failures on main, the last at 29 Oct 16:12Z, none after #8681.
Signature: the Edit workflow dialog has no "Trigger: Message Posted"
at :176. Runs: 14 first-attempt failures in Smoke shard 7, all passing
on retry; on main 39827234118, 40718018673, 40789486699, 40802051064,
40840949170, 40891643205 and 40909291143.

Cause: the same race #8681 fixed in workflows.spec's createWorkflow.
Picking a channel opens the trigger pane (WorkflowDialog.tsx:702), and
for Message Posted the conditions editor expands "Message text" by
default (WorkflowTriggerConditions.tsx:157), rendering an input with
that label. After "Send Message", AnimatePresence mode="wait"
(WorkflowFormBuilder.tsx:907) keeps the trigger body mounted through
its exit and holds the step body back. An unscoped
getByLabel("Message text") can fill the trigger's filter. The step then
has no text, which yamlToFormState rejects (workflowFormTypes.ts:348),
so the Edit dialog opens in YAML mode (WorkflowDialog.tsx:88). That is
the signature the earlier audit recorded for navigation:153.

Change: wait for the step inspector's "Action" header and "Step
details" control, then fill inside the inspector, as workflows.spec
does.

workflows.spec.ts:716 ("captures the built editor at desktop and
narrow widths", fill at :726) and :820 ("pane routes use stable IDs and
Form/YAML changes stay synchronized", fill at :831) pick a channel and
then add a Send Message step the same way, with no failures in the
window. So the wait moves into one addSendMessageStep helper in
tests/helpers/workflows.ts, rather than four copies. Both specs'
createWorkflow and those two tests call it. A change to the inspector's
structure then needs one fix.

Left out: workflow-reaction-picker.spec.ts:203-204. The note listed it,
but its trigger is Reaction Added, whose condition fields are "Reaction
emoji", "Author" and "Message" (workflowConditionExpression.ts:40). No
trigger control there is labelled "Message text", so the unscoped fill
can only reach the step's textarea.

Verification

Not run locally: Playwright bogs this machine down, and the Flake Check
lane will repeat the touched specs. pnpm typecheck and pnpm check pass.
biome's 3 warnings are in untouched files. An ad hoc tsc ran over the
eight touched specs, using the desktop tsconfig with only those files,
and over HEAD's copies of them. Both gave the same errors: onboarding
16, navigation 7, profile 7, workflow-local-controls 7,
projects-v3-screenshots 2, and none in mention-recipients,
config-bridge-screenshots or workflows. The messages are identical once
line numbers are stripped, and all are pre-existing (no Node types,
import.meta.env, MockBridgeOptions drift and the like). Once the helper
moved to tests/helpers/workflows.ts, a rerun over navigation,
workflows and the helper gave navigation's same 7 and none in the other
two.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Signed-off-by: Matt Toohey <contact@matttoohey.com>
matt2e added a commit that referenced this pull request Oct 31, 2026
@matt2e @claude
test(desktop): settle five E2E flake classes and clear a draft by Bac…
fc0bb77 
…kspace (#8744)

## Summary

Units 6–9 and 14 of the 23–30 Oct desktop Playwright flake audit, in two
commits. The specs now settle before they measure or act, and
remote-owned-mentions clears its draft reliably. Everything is
test-only. This is one of six PRs split from the reviewed `flakey-tests`
branch (siblings below).

### Unit 6: measuring before an animation finishes

Each spec now calls `waitForAnimations(page)` before measuring.

- `onboarding.spec.ts:1487` (#8715, Integration shard 1; the centring
check at :1545 receives 5.13): `showPage("owned")` slides content in
from `translateX(48px)` over 650 ms. The spec reads its three boxes in
separate `boundingBox` round trips, so they can come from different
points of the slide.
- `onboarding.spec.ts:2289` (main 40746677244 and 40925172215, and
#8666; the spacing check at :2485 receives 4.255): the avatar dialog has
a 200 ms zoom-in and a 250 ms height transition.
- `projects-v3-screenshots.spec.ts:280`, at :893 (main 39643531998,
40759209995 and 40969909906, plus four runs with fractional menu-edge
values): the context rail narrows from 380 to 280 px over 200 ms.

### Unit 7: `fill()` racing a caret move the app makes a frame later

- `mention-recipients.spec.ts:376` and `:97` (main 40969965981 and
40969858676): edit mode focuses the end of the composer in a
`requestAnimationFrame`. If that frame lands mid-`fill()`, the edit is
appended instead of replacing the text. **Change:** use #8682's
`replaceComposerText` at both call sites.
- `workflow-local-controls.spec.ts:151` (main 40926393897 and
40957616146, and #8239): `selectVariable` restores the caret in a
`requestAnimationFrame` after the spec's poll has passed. **Change:**
wait two animation frames before filling.

### Unit 8: clicks that hit the wrong element

- `profile.spec.ts:1128`, at :1543 (#8523): stacked Sonner success
toasts intercept the pointer. **Change:** a local `pressActionRow`
helper presses the five action rows with `toBeEnabled`, focus and Enter.
- `config-bridge-screenshots.spec.ts:314` (main 40967147375, and #8235):
`.last()` resolved while avatar fallbacks were still filling in on 200
ms timers, so it opened nadia's panel instead of Charlie's. **Change:**
pick Charlie's row by its text, and check the panel's name before
opening Runtime.

### Unit 9: the `createWorkflow` copies (preventive)

- `navigation.spec.ts:153` (7 failures on main, none since #8681; 14
first-attempt failures in Smoke shard 7): an unscoped
`getByLabel("Message text")` can fill the trigger's filter while
`AnimatePresence` keeps it mounted. **Change:** wait for the step
inspector, then fill inside it, as `workflows.spec` already does. The
wait now lives in one `addSendMessageStep` helper in
`tests/helpers/workflows.ts`, which `navigation.spec.ts` and
`workflows.spec.ts` (`createWorkflow`, :716, :820) all call.
- `workflow-reaction-picker.spec.ts:203-204` is left out. Its Reaction
Added trigger has no control labelled "Message text".

### Unit 14 (second commit): `remote-owned-mentions.spec.ts:566`

- **Run:** main 40998438103 (Smoke shard 9, job 123877347301). It passed
on retry and failed 1 of the 6 attempts it got in the window.
`sourceRecord()` at :673 returned thread A's draft instead of null.
- **Cause:** on ProseMirror, `fill("")` selects through the DOM, then
presses Delete. If ProseMirror hasn't seen the selection yet, it blocks
the Delete. Navigating to B then saves A's live text as its draft. This
is not a product bug: had the editor really been empty, the cleanup
would have cleared A's draft.
- **Change:** delete the text with one Backspace per character from the
end, then wait for the composer to read empty. The guard assertions are
unchanged.

### Related issue

None found. Sibling #8743 also edits `navigation.spec.ts`, in a separate
hunk. The two merge cleanly in either order. No open PR touches the
tests changed here. #6134, #8187, #5778, #8622, #7452, #7812, #8244 and
#3342 edit other tests in the same files.

### Testing

Not run locally, because Playwright bogs this machine down. Flake Check
will repeat the touched specs. `pnpm typecheck` and `pnpm check` pass,
and biome's 3 warnings are in untouched files. Ad hoc `tsc` runs over
the touched specs and the helper found the same pre-existing errors as
on their `main` copies.

Pushed with `git push --no-verify`, because the pre-push suites fail
when the laptop is under load.

### Readiness

An agent review of the combined `flakey-tests` branch (b432453af) found
no blockers. `buzz-review-completed` is not added, because the human
test step (AGENTS.md "Before opening a PR", step 3) hasn't happened yet.

### Siblings

- #8739 ci: Hermit fetch deadline and sccache fallback
- #8740 test(relay): thread_window aux-page hold and `api::media`
Postgres tests
- #8741 test(mobile): RunnerTests title fade and alert wait
- #8742 fix(desktop): deep-linked message hold (product change)
- #8743 test(desktop): four specs racing scroll settles and focus

🤖 Generated with [Claude Code](https://claude.com/claude-code)

---------

Signed-off-by: Matt Toohey <contact@matttoohey.com>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>

This branch was previously deployed

1 inactive deployment
codex-review — c6f493f2 Deployed Oct 29, 2026 by matt2e via Run Codex Security Review #10483
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