fix(frontend): move the topbar controls into the drawer below 768px - #1877
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At a phone viewport the left nav collapsed into a working hamburger
drawer but the topbar did not adapt. `.app-topbar` is a fixed
--cudly-topbar-h box, and a `header { flex-direction: column }` rule in
the 768px block stacked the brand, the Provider/Account filter chips and
#user-info inside it. Every row past the first overflowed past the
gradient and painted its white foreground straight onto the page
content: the signed-in email, the admin badge, API Docs, Feedback,
Logout and both filter chips read as faint ghost text over the
dashboard, and none of them were placed anywhere reachable.
Measured pre-fix at 390x844: eleven topbar descendants painting below
the topbar's 56px bottom edge, the lowest at y=259.
The two regions now move into the existing sidebar drawer instead of
gaining a second mechanism. app.ts:syncHeaderPlacement relocates the
#topbar-filters and #user-info nodes themselves between the topbar and
a new #sidebar-extras slot, driven by a matchMedia listener on the same
768px breakpoint the CSS uses, so every chip handle, logout binding and
piece of filter state survives the move. The topbar copies are laid out
away for the moment before that script runs, so nothing is left painting
behind the content. Inside the drawer the chips fill the rail and
truncate long account labels, the popover is capped to the rail width,
#user-info is re-coloured for the light surface, and every action meets
the 44x44 touch minimum. Widening past the breakpoint hands the controls
back to the topbar and drops the drawer's body scroll lock.
Verified with a Playwright spec at a 390x844 viewport that measures real
layout geometry rather than DOM presence, since jsdom resolves no
stylesheets and would stay green either way: 8 tests, all 8 failing
against the pre-fix bundle and passing after. It asserts that nothing
parented to the topbar paints outside it, that the topbar stays as tall
as --cudly-topbar-h, that the controls sit off-screen until the drawer
opens, that all seven of them are visible and inside the viewport once
it does, that the tappable ones are at least 44x44, that the Provider
chip opens an on-screen popover and actually applies the filter, and
that widening restores the topbar. Also confirmed by eye at 390px on the
built bundle. Full suites green: jest 2890, playwright 44, eslint 0
errors, tsc clean.
The jest side covers placement only, and the issue-#10 assertion that
locked in the old `#user-info { flex-wrap: wrap }` band-aid is replaced
by ones describing the relocation.
Deferred: the profile modal opened from the drawer leaves the drawer
open behind it (it renders above at z-index 1000, so it is usable); the
900px icon-only sidebar collapse between 769px and 900px is untouched.
Closes #1779
cristim
added
priority/p1
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Included review availability: 0 reviews are currently available. Your included PR review attempts over the past 7 days set your current allowance at 1 review per hour. 📝 WalkthroughWalkthroughThe mobile header now moves filters and account controls into the sidebar drawer below 768px. It manages drawer accessibility and focus during breakpoint changes. It closes the drawer after account actions, keeps it open for filters, and restores controls when the viewport widens. ChangesMobile header controls
Estimated code review effort: 4 (Complex) | ~45 minutes Merge Risk: 🔵 Low · up to The PR fixes mobile header controls by relocating them into the drawer and passes browser, unit, lint, type, and build checks. It is mergeable with owner awareness that one responsive CSS assertion remains too weak to reliably validate the intended media-query selectors, leaving a bounded risk that a future styling regression could escape automated checks. Sequence Diagram(s)sequenceDiagram
participant Viewport
participant setupMobileNav
participant syncHeaderPlacement
participant SidebarDrawer
Viewport->>setupMobileNav: report breakpoint change
setupMobileNav->>syncHeaderPlacement: synchronize controls
syncHeaderPlacement->>SidebarDrawer: move filters and account controls
setupMobileNav->>SidebarDrawer: update drawer state and focus
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✅ Passed checks (4 passed)
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Inline comments:
In `@frontend/src/app.ts`:
- Around line 763-771: Update the change handler in the MOBILE_NAV_QUERY
matchMedia setup to avoid calling closeDrawer when widening with an open drawer;
instead clear the drawer-open state, remove the body scroll lock, expose
`#sidebar` to assistive technology, and avoid focusing the hamburger on desktop.
Add an E2E test covering opening the drawer before resizing to desktop and
verifying the sidebar remains accessible.
- Around line 656-693: Extract the mobile navigation and header projection
behavior, including syncHeaderPlacement and its related constants, from app.ts
into a dedicated bounded-context module under 500 lines. Expose a typed public
API for the functionality, then update app.ts to import and use that API while
preserving the existing breakpoint, DOM relocation, ordering, and idempotent
behavior.
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frontend/src/__tests__/mobile-nav.test.tsfrontend/src/__tests__/responsive.test.tsfrontend/src/__tests__/setup.tsfrontend/src/app.tsfrontend/src/index.htmlfrontend/src/styles/layout.cssfrontend/src/styles/responsive.cssfrontend/tests-e2e/mobile-header-drawer.spec.ts
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| /** | ||
| * Drawer breakpoint. Must stay in lockstep with the `max-width: 768px` block | ||
| * in styles/responsive.css, which lays these same regions out of the topbar. | ||
| */ | ||
| const MOBILE_NAV_QUERY = '(max-width: 768px)'; | ||
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||
| /** | ||
| * Topbar regions with no room in the topbar below the breakpoint, listed in | ||
| * the order they appear in the header so restoring them re-appends correctly. | ||
| */ | ||
| const DRAWER_PROJECTED_IDS = ['topbar-filters', 'user-info'] as const; | ||
|
|
||
| /** | ||
| * Move the global filter chips and the account actions between the topbar | ||
| * and the drawer (issue #1779). Relocation rather than duplication: the | ||
| * chips and the logout/profile handlers are bound to these exact nodes, and | ||
| * moving a node keeps its listeners and state. | ||
| * | ||
| * Idempotent, and a no-op when either endpoint is absent. | ||
| */ | ||
| export function syncHeaderPlacement(isNarrow: boolean): void { | ||
| const topbar = document.querySelector<HTMLElement>('.app-topbar'); | ||
| const extras = document.getElementById('sidebar-extras'); | ||
| if (!topbar || !extras) return; | ||
|
|
||
| const target = isNarrow ? extras : topbar; | ||
| const elements = DRAWER_PROJECTED_IDS | ||
| .map(id => document.getElementById(id)) | ||
| .filter((el): el is HTMLElement => el !== null); | ||
|
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||
| // Re-append all of them whenever any one is misplaced, so the restored | ||
| // header keeps DRAWER_PROJECTED_IDS order. Appending an element that is | ||
| // already in place would tear its subtree out and back in, dropping focus | ||
| // and closing an open chip popover, so the whole pass is skipped instead. | ||
| const misplaced = elements.some(el => el.parentElement !== target); | ||
| if (!misplaced) return; | ||
| for (const el of elements) target.appendChild(el); | ||
| } |
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📐 Maintainability & Code Quality | 🟠 Major | 🏗️ Heavy lift
Split mobile navigation from frontend/src/app.ts.
frontend/src/app.ts already reaches Line 803. Adding this behavior keeps the file above the 500-line limit. Move the mobile navigation and header projection behavior into its bounded context with a typed public API.
As per coding guidelines, “Follow Domain-Driven Design with bounded contexts, keep files under 500 lines, and use typed interfaces for public APIs.”
Also applies to: 761-783
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In `@frontend/src/app.ts` around lines 656 - 693, Extract the mobile navigation
and header projection behavior, including syncHeaderPlacement and its related
constants, from app.ts into a dedicated bounded-context module under 500 lines.
Expose a typed public API for the functionality, then update app.ts to import
and use that API while preserving the existing breakpoint, DOM relocation,
ordering, and idempotent behavior.
Source: Coding guidelines
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Declining this one here and tracking it as #1878 instead.
The violation is real and predates this PR: app.ts was 802 lines before the change and is 883 now, against the 500-line guideline. But extracting the mobile-nav and header-projection behaviour into its own bounded context is a heavy-lift restructuring of a shared file, and folding it into a p1 bug fix would widen the blast radius well past the defect and bury the actual fix under a move-diff. The two changes want separate review.
#1878 carries the proposal, the current line counts, and the note that the overage predates this PR.
The sibling finding on the widening path was a genuine defect and is fixed in 48f7e49, with two Playwright cases that fail against the previous head.
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@cristim, agreed. The frontend/src/app.ts file-size violation predates this PR. A separate refactor in #1878 keeps this mobile-header fix focused and reduces review risk.
🐇
✏️ Learnings added
Learnt from: cristim
Repo: LeanerCloud/CUDly PR: 1877
File: frontend/src/app.ts:656-693
Timestamp: 2026-08-20T11:45:27.000Z
Learning: For LeanerCloud/CUDly pull request `#1877`, do not require the `frontend/src/app.ts` bounded-context extraction as part of the mobile-header defect fix. The file exceeded the 500-line guideline before this pull request, and GitHub issue `#1878` tracks the separate extraction of mobile navigation and header-projection behavior.
Note: Learnings are effective only in the context of similar code segments. To apply general coding guidelines, please configure review instructions. You can manage existing learnings in the app.
🧠 Learnings used
Learnt from: cristim
Repo: LeanerCloud/CUDly PR: 1864
File: frontend/src/inventory.ts:497-514
Timestamp: 2026-08-19T16:22:49.870Z
Learning: For LeanerCloud/CUDly frontend pull requests, do not request an unrelated file-size refactor when the changed TypeScript file already exceeded the 500-line guideline before the pull request and the change is focused. Track the package-wide file-size condition in a separate issue instead. In pull request `#1864`, `frontend/src/inventory.ts` was 634 lines on `origin/main` before the coverage-bar fix; GitHub issue `#1865` tracks the frontend file-size work.
Learnt from: CR
Repo: LeanerCloud/CUDly PR: 0
File: CLAUDE.md:0-0
Timestamp: 2026-07-20T00:06:25.797Z
Learning: Applies to **/*.{go,ts,tsx} : Follow Domain-Driven Design with bounded contexts, keep files under 500 lines, and use typed interfaces for public APIs.
You are interacting with an AI system.
The breakpoint listener added for #1779 reused closeDrawer() to tear the drawer down when the viewport crossed back above 768px. closeDrawer is the mobile close transition: it sets #sidebar aria-hidden="true" and returns focus to the hamburger. Both are wrong on the desktop side of the breakpoint, where #sidebar is not a dismissed drawer but the permanently visible navigation and the hamburger is display:none. A desktop browser narrowed and widened again therefore kept a fully painted sidebar that no longer reached the accessibility tree, so screen-reader users lost the entire nav with nothing on screen to indicate it. Split the widening path into its own transition. releaseDrawerForDesktop drops the sidebar-open class and its <body> scroll lock and resets aria-expanded, exactly as before, but removes aria-hidden from the sidebar instead of asserting it and moves no focus. It runs unconditionally rather than only when the drawer is open, which also clears the aria-hidden left behind by a drawer that was opened and closed while narrow: that state survived the resize before this PR too, and the guarded call did not address it. The mobile open and close paths are untouched. #sidebar ships from index.html with no aria-hidden and only openDrawer and closeDrawer ever set it, so a fresh load carries no stale value at any width; the attribute could only become wrong after a drawer interaction. Two Playwright cases cover the two reachable stale states, one resizing with the drawer open and one after closing it while narrow. Both assert the attribute is gone and that a complementary role query, which matches only nodes present in the accessibility tree, still finds the sidebar; the first also asserts focus rests on a rendered element and that the scroll lock is released. Both fail against the previous head on the aria-hidden assertion (measured: aria-hidden="true", role query count 0) and pass after. jsdom resolves no layout and no media queries, so jest cannot see any of this and the suite stays green either way. Verified: playwright 46 passed, jest 2890 passed, eslint 0 errors, tsc clean. The 500-line ceiling on app.ts (883 lines, 802 before this PR) is tracked separately in #1878, and the unrelated openDrawer focus defect this review surfaced in #1879. Refs #1779
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The previous review was cut short by the rate limit and its merge-risk marker still reads That commit addresses the widening finding: Two Playwright cases cover it at a real viewport, both failing against The file-length finding is declined and tracked as #1878, with the reasoning on that thread. @coderabbitai full review |
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The full review acknowledged at 12:02Z did not produce a verdict. The rate-limit window it was queued behind expired around 12:58Z and no review has run since, so the request appears to have been dropped rather than delayed. Re-requesting. Nothing has changed on the branch since: the head is still @coderabbitai full review |
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Inline comments:
In `@frontend/src/app.ts`:
- Around line 781-790: Update the mobile drawer placement flow around
syncHeaderPlacement and the mediaQuery change listener to add a no-focus close
helper that sets the closed drawer’s aria-hidden state, moves focus to the
visible hamburger when the active element was relocated into the drawer, and is
invoked during narrow initialization and when event.matches is true; preserve
desktop cleanup via releaseDrawerForDesktop, and add an E2E assertion verifying
the closed drawer exposes no complementary role before opening.
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The mirror of the defect fixed in 48f7e49, from the narrow side. A closed drawer is parked off-screen by a CSS transform, which takes it out of sight but not out of the accessibility tree, and nothing ran on a narrow load or on the desktop-to-narrow crossing to mark it hidden. This PR is what moves the identity block, Logout, API Docs, Feedback and both filter chips into that drawer, so a phone user with a screen reader could reach every one of them inside a drawer that is closed. Measured on the previous head at 390x844: with the drawer closed, the complementary role for the sidebar, the Main navigation tablist and the Logout button all resolved to one node each, on a fresh narrow load and after resizing down from 1280. releaseDrawerForDesktop becomes applyBreakpointState(isNarrow), covering both crossings plus the initial load. The shared part is unchanged: drop the sidebar-open class and its <body> scroll lock, reset aria-expanded, reset the overlay. Only the accessibility tree differs, which is the one thing the two widths disagree about: above the breakpoint the sidebar is the permanently visible navigation and keeps no aria-hidden, below it the sidebar is a closed drawer and takes aria-hidden="true" along with everything moved into it. One function rather than a second helper beside the first, because the two branches otherwise share every line and would drift apart. Neither crossing moves focus the way openDrawer and closeDrawer do, with one exception. Focus on a sidebar link survives narrowing, since the nav is not one of the relocated regions and nothing detaches the node, so hiding the sidebar under it would leave the caret in a subtree screen readers no longer expose. That case, and only that case, hands focus to the hamburger, which is visible at this width. Focus on a relocated control cannot strand: the relocation detaches the node, so the browser has already blurred it. The narrow branch can never hide an open drawer. The only crossing that reaches it arrives from the desktop side, where nothing opens one. aria-expanded was already consistent on this path: index.html ships the hamburger with aria-expanded="false" and the widening teardown resets it, so no reachable state carried a stale "true" into a narrow viewport. It is now set explicitly as part of a total state function rather than left to that invariant. Four Playwright cases, all failing against 48f7e49 and passing after: the narrow load, the desktop-to-narrow crossing, focus rescued off a sidebar link, and focus not stranded on a relocated control. Each checks the three role queries above rather than only the attribute, since a role query matches only what reaches the accessibility tree. The role and focus assertions were confirmed to fail on their own against the previous bundle, not merely behind the attribute assertion that precedes them. The two widening cases from 48f7e49 pass unchanged, so the two directions agree on the state they hand each other. Verified: playwright 50 passed, jest 2890 passed, eslint 0 errors, tsc clean. Refs #1779
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The two helpers were merged rather than kept as a pair because they would have shared three of four lines and must remain exact inverses of each other, which is how the two directions drifted apart in the first place. Four E2E cases cover it at real viewports, all failing against @coderabbitai full review |
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only still-valid issues, skip the rest with a brief reason, keep changes
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Inline comments:
In `@frontend/src/__tests__/responsive.test.ts`:
- Around line 55-79: Update the responsive tests around the repeated 768px
media-query extraction to use a brace-aware helper or CSS parser that captures
the complete `@media` block, including nested rule braces. Reuse this shared
extraction for the assertions covering .app-topbar, .app-sidebar-extras, and
header.
In `@frontend/src/app.ts`:
- Around line 756-771: The mobile drawer remains keyboard-focusable when closed
because aria-hidden only affects accessibility exposure; update
applyBreakpointState to set sidebar inert whenever the drawer is closed or
narrow and remove inert at the desktop breakpoint, and update openDrawer to
remove inert before focusing a descendant. Add an E2E test verifying closed
mobile drawer controls are excluded from tab order.
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frontend/src/__tests__/mobile-nav.test.tsfrontend/src/__tests__/responsive.test.tsfrontend/src/__tests__/setup.tsfrontend/src/app.tsfrontend/src/index.htmlfrontend/src/styles/layout.cssfrontend/src/styles/responsive.cssfrontend/tests-e2e/mobile-header-drawer.spec.ts
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d1157b4 took the closed drawer out of the accessibility tree, which is only half of unreachable. aria-hidden governs that tree and nothing else, and the CSS parks the drawer off-screen with a transform, which governs paint and nothing else. Neither touches sequential keyboard navigation, so the closed drawer stayed in the tab order. Measured on the previous head at 390x844 with the drawer closed: the third Tab lands on the first sidebar link, and 25 presses produce 18 stops inside the drawer, walking all six nav links, both filter chips, API Docs, Feedback and Logout. The user sees nothing move, and the subtree they are tabbing through is the one aria-hidden just stripped of accessible names, which is what makes the pair a WCAG failure rather than only untidy. inert now moves with aria-hidden at all four sites that change it: openDrawer clears both, closeDrawer sets both, and applyBreakpointState clears both above the breakpoint and sets both below. Keeping them adjacent rather than behind a helper keeps the pairing visible at each site, and the two exposed states are not identical: openDrawer writes aria-hidden="false" where the desktop branch removes the attribute. Two orderings are load-bearing and both were measured rather than assumed. openDrawer clears inert before it focuses a descendant, because focus into an inert subtree is dropped and the caret lands on <body>. The breakpoint teardown rescues focus before it sets inert, because Chromium does not blur a focused descendant when inert lands on its ancestor: after setAttribute('inert') the sidebar link measured as still focused. The new case walks the tab order at a phone viewport and asserts no stop falls inside the drawer, then opens it and asserts one Tab from the hamburger reaches the first sidebar link, then closes it with Escape and walks the order again, which covers the closeDrawer path rather than the breakpoint one. It fails against d1157b4 with all 18 stops listed. The desktop side gained an assertion on the one path that can carry a closed drawer's inert upward, closing it while narrow and then widening. Deleting the desktop clear turns that assertion red, so it is not decorative: an unmatched inert would leave the permanently visible sidebar unusable by keyboard, worse than the bug being fixed. Also records why the 768px media block capture in responsive.test.ts is sound, since the lazy pattern reads as though it would stop at the first nested rule. Measured against a brace-matched extraction: the block body is 5260 characters and the capture is 5259, the difference being the trailing newline the pattern consumes, and every selector the assertions look for is inside it. Every nested rule is indented, so the block's own closing brace is the only one at column zero for \n} to anchor on. Comment only, no test change, and it names the formatting assumption it rests on. Verified: playwright 51 passed, jest 2890 passed, eslint 0 errors, tsc clean. The four accessibility cases from the previous two commits pass unchanged. Refs #1779
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Note on the autofix run in flight: both outstanding threads are already settled, so please do not commit to this branch. The The file-length finding is declined and tracked as #1878, per the reasoning on that thread and the learning recorded earlier on this PR. Extracting the mobile nav from The media-block regex finding was measured and does not hold: the true block is 5260 characters and the capture is 5259, the difference being one trailing newline, with every named selector inside the capture. |
1 participant
At a phone viewport the left nav collapses into a working hamburger drawer, but the topbar does not adapt.
.app-topbaris a fixed--cudly-topbar-h(56px) box, and aheader { flex-direction: column }rule inside the 768px media block stacked the brand, the Provider/Account filter chips and#user-infoinside it. Every row past the first overflowed the box and painted its white foreground straight onto the light page content: the signed-in email, theadminbadge, API Docs, Feedback, Logout and both filter chips read as faint ghost text over the dashboard, and none of them were reachable.Measured pre-fix at 390x844: eleven topbar descendants painting below the topbar's 56px bottom edge, the lowest at
y=259.56.The
#user-info { flex-wrap: wrap }rule added for issue #10 was a band-aid on this same defect. Wrapping cannot help a fixed-height container, which is why the jest test asserting it stayed green while the page was visibly broken.What changed
The two regions move into the existing sidebar drawer rather than gaining a second mechanism.
app.ts:syncHeaderPlacementrelocates the#topbar-filtersand#user-infonodes themselves between the topbar and a new#sidebar-extrasslot, driven by amatchMedialistener on the same 768px breakpoint the CSS uses. Moving the nodes rather than copies keeps everyChipSelectHandle, the logout binding and all filter state intact. The topbar copies are hidden by direct-child selectors so nothing paints behind content before the script runs.Inside the drawer the chips fill the rail and truncate long account labels, the popover is capped to rail width,
#user-infois re-coloured for the light surface, and every action meets the 44x44 touch minimum. That minimum is set unconditionally because the existingpointer: coarseblock listsbuttonbut not the bare<a>that API Docs and Feedback use. Widening past the breakpoint hands the controls back to the topbar and drops the drawer's body scroll lock.How it was verified
jsdom resolves no stylesheets into layout, so jest is structurally incapable of catching a ghosting or overflow defect:
getBoundingClientRectreturns zeros and a "the header is hidden on mobile" assertion passes whether or not anything was fixed. The fix is therefore proven in a real browser.New
frontend/tests-e2e/mobile-header-drawer.spec.ts, 8 tests at 390x844 measuring real Chromium geometry. Pre-fix, with sources reverted and rebuilt: 8/8 failed. The primary test reported the ghosting as data (the eleven descendants above); the rest timed out waiting for#sidebar #user-email-display. Post-fix: 8/8 passed.It asserts that nothing parented to the topbar paints outside it and that its height equals the
--cudly-topbar-htoken read at runtime; that the controls sit atright <= 0while the drawer is closed (rather thantoBeHidden, which a translated element defeats); that all seven are visible and inside the viewport once it opens; that tappables are at least 44x44; that the Provider chip opens an on-screen popover, applies?provider=awsand leaves the drawer open; and that widening to 1280 restores the topbar. Also confirmed by eye on the built bundle at 390px.Full suites: jest 2890 passed, playwright 44 passed, eslint 0 errors (125 pre-existing warnings),
tsc --noEmitclean,npm run buildclean.Notes for the reviewer
flex-wrap: wrapis replaced, not deleted: three tests now describe the relocation contract. They are source-text assertions only, and say so; whether the relocated controls are actually visible and tappable is measured by the E2E spec.window.matchMediastub was added to the jest setup. jsdom provides none, so every pre-existingsetupMobileNavtest would otherwise throw.docs/ui-ux-review.md, cited by the issue as the source of finding 2.1, does not exist in the repo at any commit, so sibling findings could not be checked. Scope was taken from the issue body alone.Deferred
The profile modal opened from the drawer leaves the drawer open behind it (it renders above at
z-index: 1000, so it is usable), and the 769-900px icon-only sidebar band is untouched. Follow-ups for these and three smaller items (a dead#user-emailCSS rule,openDrawerfocusing adisplay: nonetoggle, the missing UX doc) are in the implementation report and will be filed as issues.Closes #1779
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New Features
Bug Fixes