Feat/unified mailbox account scope
Rework the sidebar "All accounts" into an account-bounded "Unified Mailbox"
by default, with cross-account merging as an opt-in (admin-gated) sub-option.
The standalone per-account "All Mail" virtual folder is folded into the unified
All mail / Unread / Starred entries.
Conflict resolution notes:
- stores/settings-store.ts: both main and this branch independently added a
per-account default-identity (#507) migration at different versions (main v6,
branch v7). Merged migration is version 7 using the refactored migrateSettings
function; the unified-mailbox rework is guarded at `version < 7` so users who
stopped at main's interim v6 identity bump still receive it, while the #507
identity-map coercion stays at `version < 6` so their populated map is kept.
- stores/auth-store.ts: kept main's applyPreferredIdentity (superset with the
pre-#507 legacy migration).
- stores/email-store.ts: removed the ALL_MAIL_MAILBOX_ID paths (folded into the
unified views) while preserving main's plugin hooks (onSearchResults /
onEmailsFetched); adopted advancedSearchCrossViewEmails for advanced cross-view
search.
- components/settings/layout-settings.tsx: kept main's faviconUnreadBadge setting
alongside the new unifiedCrossAccount toggle.
- integration/: union-merged the two independently-authored suites - branch suite
is authoritative (matches new behavior) with main's shared-identity (#569) group
infrastructure preserved.
- components/email/email-composer.tsx: dropped a duplicate data-testid attribute
introduced by the auto-merge.
The rich-text editor already registers the TextStyle and Color
extensions so that colored text pasted or quoted from incoming mail
survives editing - but there was no way to set a color yourself.
Adds a "Text color" toolbar button next to the strikethrough control,
wired to the already-loaded extensions: a 2x8 preset swatch grid plus a
"Remove color" entry, following the table button's dropdown pattern
(wrapper ref, outside-click close, same popover styling) and the table
size picker's swatch grid. The button's baseline icon renders in the
currently active color, so the selection is visible without any extra
indicator element.
No new dependencies and no locale changes; the toolbar titles in this
file are plain English throughout, and Clear Formatting already removes
colors via unsetAllMarks.
Closes#560.
Composes the active inbox's unread count over the base favicon as an SVG
badge, served as a percent-encoded data: URL, so new mail is visible on a
tab that is not focused — including when the browser collapses tabs to
icon-only, where a title-based count disappears entirely.
The base icon is read from the rendered <link rel="icon"> rather than from
config, so admin and per-domain branding overrides are inherited for free:
the count is drawn on whatever logo the deployment actually serves. Keeping
the badge in SVG rather than rasterising to a canvas also means the browser
can rasterise it at whatever size it asks for, so a HiDPI tab is not served a
16px bitmap.
Notes on the approach:
- The badge link is an *additional* icon link that we append and mark as
ours; we never remove or mutate a link we did not create. Next's metadata
icons are rendered by React, which keeps a fiber pointing at that DOM node,
so removing it would leave React holding a detached node and throw
"Cannot read properties of null (reading 'removeChild')" on the next
commit that deletes the fiber. Appending instead means the last-declared
icon wins, and non-SVG fallback links survive with their type/sizes intact.
(The usual recipe for this feature — assign canvas.toDataURL() to the
existing link's href — does both of the things that break here.)
- Every change of state is an *insertion* of a fresh link of ours, never a
mutation or a removal, because that is the only signal a browser reliably
re-reads the favicon on. Firefox ignores an in-place href change, and it
equally ignores a removal — so clearing the badge by deleting our link left
a stale count painted on the tab until a hard reload. Clearing it instead
inserts a new link of ours carrying the original base href.
- Holding last place has to be defended: on a client-side navigation React
re-hoists its metadata icon link into <head>, landing after ours, and the
base icon silently wins again. A MutationObserver on <head> moves our own
link back to the end whenever a foreign icon link appears — moving only our
node, never anyone else's. It no-ops once ours is last again, so a move
cannot feed itself.
- The badge is a full-width band across the foot of the icon, drawn to the
metrics measured from Gmail's own 16px favicon: band height 0.625 of the
icon, digit cap height 0.44, flush to the edges, corners rounded by about a
pixel. Full width is what keeps a three-glyph label legible — rounded ends
waste exactly the horizontal space it needs. Neutral white with black digits
rather than the conventional red: faviconUrl is admin-overridable and
Bulwark's own icon is rgb(219,45,84), so a red badge sat red-on-red.
- The base SVG may be admin-uploaded, and the branding route deliberately
serves it under a sandboxing CSP because SVG can carry script. Re-emitting
it as a same-origin data: URL would un-fence that, so script, foreignObject
and every on* handler are stripped before serialising.
- Mounted in the root layout, not on the mail route: the badge belongs to the
tab, so mounting it on the page would clear it on every hop to settings,
calendar or contacts.
Provision a Stalwart group (team@example.org) with carol as a member before her
first login, and assert the composer's From selector offers the group address.
This confirms the group-membership scenario of #569 already works out of the
box: Stalwart returns the group's send-as identity on the member's own account,
so the app's normal single-account identity load surfaces it (identities.length
> 1 -> the From <select> renders with team@).
- stalwart: create the `team` Group in plan-accounts and add carol via
User.memberGroupIds in the entrypoint (id resolved after apply, like
DOMAIN_ID). carol, not alice/bob, so the sync specs stay unshared.
- helpers: GROUP config, openComposer/composerFromOptions, and JmapClient
accounts + sharedAccountNames (Identity/get needs the submission capability).
- composer: add data-testid="composer-from" to the From <select> and its
single-identity <span> fallback.
Ref: https://github.com/bulwarkmail/webmail/issues/569
Add an end-to-end integration harness that runs the webmail against a real
Stalwart mail server in Docker and drives it with Playwright, focused on the
mail/folder synchronisation behaviour (unread/total counters, folder-list
sync, account-scoped Unified Mailbox) that the unified-mailbox work touches.
- integration/ stack: Stalwart (declarative bootstrap: alice/bob/carol,
submission + IMAP listeners, permissive CORS) + webmail (dev mode, so the
browser's plaintext cross-origin JMAP calls aren't blocked by the prod CSP).
- Helpers: dependency-free SMTP submit client, JMAP client for seeding /
inspecting server state, and page helpers (login, add/switch account,
locale-independent folder-counter reads).
- Specs: login, single-account sync (receive/read/move/delete/folder-create/
burst) and multi-account (per-account isolation + cross-account Unified
Inbox aggregation + background-account delivery). 12 tests, all green.
- Add focused data-testid hooks to the mail UI (folder rows + counters, email
list items, account switcher, composer) for stable selectors.
- Exclude examples/ and integration/ from tsconfig/eslint/.dockerignore.
Without the inline style in the serialized wrapper, the email reply quote bar gets lost (becomes invisible). Pull the style out into a const, and then use it in both the editor (NodeView) and the content wrapper for the email content that is sent.
The default sender identity (`preferredPrimaryId`) lived only in the
browser-local `identity-storage` store and was never written to the synced
settings, so the choice was lost on clearing site data / switching browsers and
never appeared in exported settings.
Persist it in the synced settings store, keyed **per account**
(`preferredIdentityIds: Record<accountId, identityId>`), mirroring the existing
per-account `allMailFolderIds`. Per-account keying is required because JMAP
identity ids are account-scoped and would otherwise collide across accounts /
the unified mailbox.
This supersedes the earlier username-keyed fix that had landed on main: the
username-keyed map, `loadIdentities()` fallback write, and the
`applyPreferredIdentityOrdering` store action (plus its settings-store hook)
are removed so a single account-keyed mechanism remains.
- settings-store: `preferredIdentityIds` (accountId -> identityId) in state,
defaults, export, import (non-record guard), rehydrate coercion, v6 migration.
- auth-store: `applyPreferredIdentity(accountId?)` reorders the active account's
identities once synced settings load, and performs the one-time migration of
the pre-#507 browser-local default into the synced map (keyed by accountId).
Invoked from every `loadFromServer().finally()` (login / OAuth / SSO / switch
/ restore). `loadIdentities()` now only applies the local fallback ordering.
- identity-manager-modal: the star action writes the choice by `activeAccountId`.
- identity-store: `preferredPrimaryId` kept as a local (sync-off) fallback.
- tests: per-account independence, export/import round-trip, import guard, and
applyPreferredIdentity reorder / active-account gating / local-default
migration.
Recipient chips could already be dragged between the To/Cc/Bcc fields, but a
drop always appended and same-field drops were a no-op, so recipients could not
be rearranged without deleting and re-adding them.
Add positional drag-and-drop: while dragging a chip, an insertion caret shows
the gap it would land in (based on which half of the hovered chip the pointer
is over, mirrored for RTL); dropping inserts it there.
- same-field drop reorders the chip locally (via onChipsChange), using the
source index carried in the drag payload (fromIndex) and adjusting for the
removal shift; dropping onto its own position is a no-op;
- cross-field drop inserts at the drop position: handleMoveChip gained an
optional toIndex (omitted = append, e.g. dropping onto a hidden Cc/Bcc
button, preserving existing behaviour);
- per-chip onDragOver computes the target gap; the container handles the
trailing gap (past the last chip / over the input).
No new user-facing strings (the caret is purely visual), so no locale changes.
Tests (components/email/__tests__/recipient-chip-drag.test.tsx): reorder to end
/ front, self-drop no-op, cross-field positional insert, and caret visibility.
Also add the missing findComposeIdentityId export to the reply-identity mock in
the recipient drag/paste suites so <EmailComposer> mounts in compose mode.
Rebasing feat/unified-mailbox onto main hit deep, divergent conflicts in the
mail-view/settings area (main added its own All-Mail + RTL refactor + a
username-keyed #507 identity impl). Post-rebase reconciliation:
- re-apply the cross-account blob routing to the message viewer (inline images,
drag-out, TNEF, embedded messages, thumbnails, bundle download) on main's
restructured file — every fetch goes through blobClient/blobAccountId derived
from the message's source account;
- drop the duplicate `preferredIdentityIds` declaration that both main
(username-keyed) and the branch (accountId-keyed) introduced — the branch's
account-scoped map is kept, matching the resolved modal/store logic.
tsc + eslint clean; unified-mailbox unit tests pass (settings-store all-mail /
preferred-identity, unified-mailbox-cross, jmap-client-resilience, migrate-policy).
Blobs are scoped per JMAP account, but the attachment download/preview path
always used the active account's client and accountId. Opening a message from a
different account in the unified / All-Mail view and downloading (or previewing)
an attachment therefore 404'd against the active account.
Route the blob fetch to the message's source instead:
- resolveBlobSource() picks the owning login's client
(getClientForAccount(sourceClientAccountId)) and the owner accountId
(sourceAccountId) for delegated/shared blobs, in the unified view;
- handleDownloadAttachment + the attachment-preview handlers use it;
- downloadBlob / fetchBlobAsObjectUrl / fetchBlobArrayBuffer gain an accountId
param (getBlobDownloadUrl/fetchBlob already had one).
Adds 10-attachments: an attachment on another account's All-Mail message
downloads with the correct bytes (verified to fail without the routing).
Add draft and shared-folder-move coverage (suite now 31 tests). Findings are
asserted server-side or pinned with test.fail where the UI is incomplete.
Drafts (07):
- multiple recipients (committed and typed-but-uncommitted) persist, and the
draft reopens via the continue-draft button;
- a server-created draft (with $draft) shows the continue-draft button;
- a changed sender identity is saved to the draft on the server;
- KNOWN BUG (test.fail): reopening a draft resets the From selector to the
default identity instead of the one the draft was saved with.
Shared-folder moves (08):
- shared -> shared (same owner) moves work in both directions (server-verified);
- KNOWN LIMITATION (test.fail): cross-account moves (own account <-> shared
folder) don't relocate the message — the Move-to submenu offers the target
but clicking it is a no-op.
Hooks added: composer From select + save-status, viewer edit-draft button,
context-menu "Move to" submenu + per-target testids (testId on
ContextMenuSubMenu). Helpers: JMAP identities/createDraft/sharing, composer
drive + move-via-submenu. README documents the findings.
Extend the integration suite (now 22 tests) to cover:
- All Mail view (04): single-account merge of Inbox + custom folders with
Junk excluded, and cross-account aggregation across every logged-in account.
- Message actions from the list context menu (05): mark read/unread, delete
(→ Trash), mark-as-spam (→ Junk) and not-spam round-trip, verified on both
the UI counters/row state and the server mailbox the message ends up in.
- Shared/delegated folders (06): a delegated folder (+ Trash/Junk) shared
alice→carol; the shared folder renders with its counter, and read/unread/
delete/spam performed there land correctly (server-verified).
Hooks added: data-testid on context-menu delete/spam/read-unread items
(via a testId prop on ContextMenuItem), data-shared on folder rows, and
testId/data-expanded on sidebar section headers to drive the Shared section.
Observations surfaced by the suite (asserted server-side / with a reconcile):
- mark-as-spam doesn't optimistically decrement the *source* counter the way
delete does; a visibility reconcile settles it.
- shared *destination* counters (shared Trash/Junk) don't refresh live —
forceSync reconciles the active account only, not shared accounts.
Add an end-to-end integration harness that runs the webmail against a real
Stalwart mail server in Docker and drives it with Playwright, focused on the
mail/folder synchronisation behaviour (unread/total counters, folder-list
sync, account-scoped Unified Mailbox) that the unified-mailbox work touches.
- integration/ stack: Stalwart (declarative bootstrap: alice/bob/carol,
submission + IMAP listeners, permissive CORS) + webmail (dev mode, so the
browser's plaintext cross-origin JMAP calls aren't blocked by the prod CSP).
- Helpers: dependency-free SMTP submit client, JMAP client for seeding /
inspecting server state, and page helpers (login, add/switch account,
locale-independent folder-counter reads).
- Specs: login, single-account sync (receive/read/move/delete/folder-create/
burst) and multi-account (per-account isolation + cross-account Unified
Inbox aggregation + background-account delivery). 12 tests, all green.
- Add focused data-testid hooks to the mail UI (folder rows + counters, email
list items, account switcher, composer) for stable selectors.
- Exclude examples/ and integration/ from tsconfig/eslint/.dockerignore.
The default sender identity (`preferredPrimaryId`) lived only in the
browser-local `identity-storage` Zustand store and was never written to
the server-side synced settings. As a result the choice was lost when
clearing site data or switching browsers, and never appeared in the
exported settings JSON.
Persist the default identity in the synced settings store, keyed per
account (`preferredIdentityIds: Record<accountId, identityId>`), mirroring
the existing per-account `allMailFolderIds`. Per-account keying is required
because JMAP identity ids are account-scoped and would otherwise collide
across accounts / the unified mailbox.
- settings-store: add `preferredIdentityIds` to state, defaults, export
(so it shows in exported JSON), import (with a non-record guard),
rehydrate coercion, and a v6->v7 migration.
- auth-store: add `applyPreferredIdentity()`, invoked in every
`loadFromServer().finally()` (login / OAuth / SSO / switch / restore) so
the synced default reorders the active account's identities once server
settings load (the composer defaults From to identities[0]).
- identity-manager-modal: the star action also writes the choice to the
synced per-account map, triggering server sync + export inclusion.
- identity-store: keep `preferredPrimaryId` in local persist as a sync-off
fallback; synced settings are the durable cross-device source of truth.
- tests: per-account independence, export/import round-trip, non-record
import guard, and v6->v7 migration.
Rework the sidebar "All accounts" section into a "Unified Mailbox" that, by
default, stays within the active login account and its shared/group folders.
Merging across multiple logged-in accounts becomes an opt-in sub-option instead
of the default, and the standalone per-account "All Mail" virtual folder is
folded into the unified All mail / Unread / Starred entries (its folder selection
now narrows those lists).
Scope:
- lib/unified-mailbox.ts: UnifiedAccountClient.crossIncludedMailboxIds; the cross
views honor the per-account folder selection (union across accounts = the sum
of each account's selection), falling back to inbox+custom when unset.
- stores/email-store.ts: buildUnifiedAccountClients gains scopeToClientAccountId
(the account boundary) and populates crossIncludedMailboxIds from
allMailFolderIds; remove the standalone __all_mail__ fetch/search/load-more
branches.
- page.tsx: scope to the active account unless cross-account is active (per-user
opt-in AND admin gate); the per-role unified mailboxes obey the same scope.
Folding:
- Drop ALL_MAIL_MAILBOX_ID (lib/jmap/types.ts); thread-list source-folder column
now keys on isUnifiedView only; settings folder picker moves under the unified
group and shows once any unified entry is enabled.
Config:
- User: new unifiedCrossAccount (default false); includeGroupInUnified default
flips to true; enableAllMailView retired; the three cross-view toggles now gate
the unified Unread/Starred/All mail entries.
- Admin: new unifiedCrossAccountEnabled gate, default FALSE (cross-account is an
admin opt-in; when off the per-user toggle is hidden and the scope is forced
account-bounded at runtime). allMailViewEnabled deprecated and normalized
forward into crossAllViewEnabled on policy load; cross-view gate labels reworded
to "Unified Mailbox: ...".
Header: the sidebar section shows "All accounts" when cross-account is active
(opt-in AND admin gate AND >1 connected account), else "Unified Mailbox".
Migration:
- Settings persist v5 -> v6 (exported migrateSettings) - cross-active users keep
cross-account; All-Mail-only users get the account-bounded unified All mail
entry with folder ids preserved; includeGroupInUnified enabled for every
migrated config; fresh installs are account-bounded.
- Admin policy: one-shot, marker-guarded migratePolicyUnifiedMailbox (run before
configManager.load) enables unifiedCrossAccountEnabled when a cross view was
active, so existing cross-account installs keep the behaviour despite the
default-false gate. Skipped on read-only config dirs.
Locales: sidebar all_accounts (original label) + unified_mailbox (translated, per
locale) keys; dead standalone all_mail strings removed across all 20 locales.
Docs: FEATURES.md updated to the account-bounded model, the cross-account gate,
and the folder-narrowed aggregate entries.
Verification: tsc clean, eslint clean, full vitest suite green (incl. translations
completeness, cross-view/migration coverage, and the admin policy migration test).
The recipient chip-drag and paste tests render <EmailComposer>, which since
b716f95a (feat(compose): preselect identity of the active mailbox) calls
findComposeIdentityId() from @/lib/reply-identity in compose mode. Both tests
mock that module but only returned resolveReplyFrom, so vitest threw
"No 'findComposeIdentityId' export is defined on the mock" on mount,
failing all 18 tests. Add the missing export (returns null; the composer
guards with if (composeIdentityId)).
Signatures render into the main document - the identity form's live preview
and the composer's signature block - rather than the sandboxed iframe used for
message bodies. SIGNATURE_SANITIZE_CONFIG allows no target attribute, so those
anchors were live and target-less: one click navigated the whole app away,
discarding the unsent draft or the unsaved signature with it.
Add sanitizeSignatureHtmlForDisplay, which keeps the storage sanitizer's image
restrictions but forces target="_blank" rel="noopener noreferrer" on every
anchor, and use it at the two render sites. The composer's SignatureBlock
NodeView stamps the target on its rendered DOM instead, because attrs.html is
what serializeEditorContent emits into the sent message - storage and the
recipient's copy stay exactly as the user wrote them.
Typing a contact group's name in a recipient field suggested the
individual members, and "send email to group" on the contacts page
filled the field with one chip per member - the group itself never
appeared anywhere.
The autocomplete now offers the group as a single entry (group icon
plus member count), and selecting it - like the contacts-page action -
inserts one chip named after the group that carries a snapshot of its
members. The chip expands into the deduplicated member addresses when
the message is sent or saved as a draft, mirroring how Outlook handles
distribution lists. Expansion happens where the outgoing address lists
are built, so validation and every plugin hook see real addresses.
Group chips survive the composer's string boundaries (draft data, dirty
compare, the contacts-page hand-off) as RFC 5322 group syntax
("Team: a@x, b@y;"). A bare colon reliably opens a group there because
display names containing a colon are always quoted. Typed text only
parses as a group when it carries at least one valid member, so stray
"Subject: hello" input stays a plain recipient.
RecipientSuggestion gains an optional group field; plugins that ignore
it keep working unchanged.
* feat: add Jalali (Persian/Shamsi) calendar support with Saturday as week start
- Add jalaali-js library for Gregorian ↔ Jalali date conversion
- Create lib/jalali-utils.ts with Jalali calendar utilities
- Create hooks/use-calendar-locale.ts for unified calendar locale handling
- Expand FirstDayOfWeek type to include 6 (Saturday)
- Update all calendar views (month, week, day, mini, toolbar) to support
Jalali calendar display and Saturday-first week ordering
- Add Jalali month names (Farvardin … Esfand) to all locale files
- Add Persian (fa) locale with full translations
- Update settings UI to include Saturday as first day of week option
- Update useFormatEventDate to show Jalali dates when locale is fa
- Auto-detect Jalali calendar when fa locale is active
The calendar system automatically switches to Jalali when the locale is
set to Persian (fa). All internal date handling remains Gregorian (ISO
8601) for JMAP protocol compatibility; Jalali conversion is purely at
the display layer.
* Add PR template for Jalali calendar feature
* chore: remove accidentally added PR template
* fix: add image_too_large key to fa locale for PR #462 compatibility
The List-Unsubscribe action for mailto: links created a hidden anchor,
clicked it and reported success. That hands the mailto: URL to the OS
default mail handler - for a webmail user that opens the wrong program
or nothing at all, and the unsubscribe message is never sent, while the
banner still claims it was.
The confirm flow now parses the mailto: URL (address, subject, body -
percent-decoded manually since RFC 6068 does not use plus-encoding) and
sends the message through the account's own JMAP client, preferring the
identity that received the newsletter so the list can match the
subscriber. In unified views the send is routed to the email's owning
account. Success is only reported once the server accepted the message.
The mobile confirm dialog reused the success strings as its question
text; it gets proper confirm_message strings in all 22 locales, and
success_mailto now says what actually happened.
Some HTML emails set height:100% on a full-bleed wrapper table/div rather
than html/body. With the viewer's body{overflow:hidden}, this collapses
documentElement.scrollHeight to the iframe's 150px default, so the
scrollHeight-based auto-resize locks the iframe short and the body renders
blank below the fold. A Box.co.il verification email rendered as a
logo-only 150px strip.
- Neutralise height:100% on any element so the body grows to its content.
- Measure max(documentElement, body).scrollHeight, and re-measure on a
fixed cadence over a short settle window so a late reflow (height:100%
wrapper, or images that resize after onload) is caught even when no
ResizeObserver/image event fires.
Message-list rows are tinted with the first tag's color, which becomes
overwhelming when a label applies to most messages (for example
per-account labels). Add a `tintListRowsByTag` setting (default true, so
current behavior is unchanged) with a toggle in Settings beside
"Colorful Sidebar Icons". When off, rows are not tinted; tag dots and
chips still show the color. Gated in both list renderers
(email-list-item and thread-list-item).
Outlook-Web-style pinning: a context-menu Pin/Unpin action stores a
$pinned keyword on the message (plain IMAP-compatible flag, survives
other clients), and pinned mails stay at the top of the folder list
regardless of age, marked with a pin icon.
Ordering is done server-side via the hasKeyword sort comparator
(RFC 8621), applied consistently to the folder fetch, pagination and
the push-refresh so page windows stay stable. The client-side safety
sort in getEmails mirrors it, and sortThreadGroups keeps threads
containing a pinned mail on top so the client-side thread grouping
does not undo the order.
The new-mail notification in refreshCurrentMailbox now checks the
first non-pinned entry: with pinned mails on top, the newest mail is
no longer at index 0 and arrivals would never have notified.
The toggle reuses the color-tag pathway (routed keyword write for
unified views, in-place local patch), then refetches the first page
so the mail floats or sinks immediately. Search and unified views
keep their existing order.
Pin/Unpin strings are added to all 21 locales.
Marking your own outgoing mail as spam makes no sense, but the action
was offered in every non-junk folder: context menu, hover quick-actions,
viewer toolbar and its overflow menu, plus the "!" shortcut.
All surfaces now skip the action when the folder role is sent, drafts or
scheduled, and the shortcut is a no-op there. Scheduled messages were
already covered per-email via isScheduled; the role check additionally
covers the server-side Scheduled folder before that annotation loads.
The hover quick-actions bar gets a spamApplicable prop for this, since
it renders its buttons without knowing the folder.
Instead of leaving the browser's broken-image placeholder + alt text (which
reads as stray label text — e.g. a 'logo' alt — in an otherwise image-only
email), hide any image that fails to load. Sanitizer-blocked images already use
a 1x1 transparent pixel with display:none, so they're unaffected.
Wrap the message-list avatar in a SelectableAvatar control: clicking the
avatar toggles the row into the current selection instead of opening it,
matching Thunderbird's correspondent-avatar selection affordance. A check
overlay appears on hover (hinting it is clickable) and stays while selected.
- email-list-item + thread single-email: toggle that message's id
- thread header: toggle the whole thread (reuses existing thread-select logic)
- focused-mail and extra-compact layouts render no avatar, so unaffected
