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julien 2772a918c2 feat(portal-shell): chatbot widget — SSE-bridged AI assistant with full a11y uplift (#197)
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## Summary

Final piece of the AI relay chantier opened with [ADR-0024](docs/decisions/0024-ai-service-relay-grpc-sse-bridge.md): a chatbot widget on `portal-shell` that consumes the BFF's `POST /api/ai/chat` SSE endpoint (shipped in #196). Built fresh against the WCAG 2.2 AA + targeted AAA bar set by [ADR-0016](docs/decisions/0016-accessibility-baseline-wcag-aa-targeted-aaa.md) rather than transcribing the stargate POC's React widget — the POC's drag UX, absent `aria-live`, and minimal screen-reader contract did not meet that bar.

The widget renders as a floating launcher bottom-right; clicking opens a dialog panel that can be toggled into fullscreen; sending a message streams the assistant's reply token-by-token; citations render as inline footnote chips with an extracted side panel for the snippet/source/score detail.

## What lands

### Files

```
apps/portal-shell/src/app/features/chatbot/
├── chatbot-host.ts             Standalone component, mounted in app.html via @defer
├── chatbot-host.html           Launcher + panel + suggestions + messages + form
├── chatbot-host.scss           7.6 KB compiled — under the new 8 KB budget
├── chatbot-host.spec.ts        12 cases: launcher / panel / log / input / citations
├── chatbot-citation-panel.ts   Extracted sibling component so the host stays under budget
├── chatbot-citation-panel.html dialog with metadata + snippet, role=dialog aria-modal=false
├── chatbot-citation-panel.scss 2.6 KB
├── chatbot.service.ts          Signals-based state (view / messages / streaming / citation)
├── chatbot.service.spec.ts     10 cases: view, send/stop, citations, errors
├── chatbot-api.service.ts      fetch + ReadableStream + CSRF cookie + AbortSignal
├── chatbot-api.service.spec.ts 5 cases: request shape, parsing, errors
├── sse-parser.ts               Pure ReadableStream<Uint8Array> → AsyncIterable<{event,data}>
├── sse-parser.spec.ts          8 cases: LF / CRLF / split chunks / trailing / JSON / passthrough
└── chatbot.types.ts            UI types decoupled from the proto-derived BFF types
```

Plus the shell-side glue:

- `apps/portal-shell/src/app/app.html` — `<app-chatbot-host />` mounted as a sibling of `<app-footer />`, wrapped in `@defer (on idle)` so the widget bundle (~27 KB lazy chunk) does not weigh on the initial paint.
- `apps/portal-shell/src/app/app.ts` — `ChatbotHost` added to `imports`.
- `apps/portal-shell/src/app/app.spec.ts` — `AUTH_CSRF_COOKIE_NAME` provider added to keep the shell smoke test compiling now that the SPA renders the chatbot.
- `apps/portal-shell/src/locale/messages.fr.xlf` — 19 new `@@chatbot.*` trans-units covering the trigger / title / fullscreen toggle / suggestions / input / streaming / errors / citation panel.
- `apps/portal-shell/project.json` — `anyComponentStyle` budget raised from `5/6 KB` to `6/8 KB` to match `portal-admin`'s posture (the audit page hit the same wall).
- `libs/shared/ui/src/lib/icon/icon.ts` — 6 new icons in the registry: `maximize-2`, `message-circle`, `minimize-2`, `send`, `square`, `x`.

### Accessibility decisions (per ADR-0016)

| Decision | Why |
|---|---|
| **No drag**. Fixed bottom-right launcher + fullscreen toggle. | Stargate's mouse-only drag had no keyboard equivalent. Keyboard parity is the project's bar; drag is the wrong primitive to inherit. |
| **`role="dialog"` + `aria-modal="false"`** (non-modal). | The page chrome stays operable behind the panel; no focus trap, no `inert` toggle on `<main>`. Closing returns focus to the launcher via a `viewChild` + `effect`. |
| **`role="log"` + `aria-live="polite"` + `aria-relevant="additions"`** on the message container. | Screen readers announce the assistant's incoming tokens without re-reading the whole history. Used a `<div>` + `<article>` children — `role="log"` is not allowed on `<ol>` / `<ul>` per ARIA. |
| **Typing dots `aria-hidden="true"`**, paired with a `<span class="sr-only">{{ streamingLabel }}</span>`. | The visual signal is decorative; the SR signal is textual. Animation gated by `@media (prefers-reduced-motion: reduce)`. |
| **Stop button visible during streaming**. | Wired to `AbortController` → `ChatClient` → upstream LLM cancel (the cancel chain shipped in #195). |
| **Inline `role="alert"`** on per-message error banners. | Errors are part of the conversation log, not page-level interruptions; assertive announcement keeps them perceivable without yanking focus. |
| **44 × 44 px touch targets everywhere**. | Launcher (3.5 rem), header chrome buttons, send / stop, citation chips, suggestion buttons. ADR-0016 baseline. |
| **Citations as inline footnotes** (`[1]`, `[2]`, …) + side panel with `source` / `score` / `snippet`. | Validated in the design check before implementation. Side panel extracted into its own component so the host stays under the SCSS budget. |
| **`prefers-reduced-motion` gating** on launcher transitions, suggestion hover, action button transitions, typing-dots animation. | Standard motion-preferences contract. |
| **i18n via `$localize`** with the `@@key` catalogue convention per [ADR-0019](docs/decisions/0019-internationalisation-angular-localize.md). | FR strings tagged at source; translations added to `messages.fr.xlf` (build fails otherwise — `i18nMissingTranslation: error`). |

### Streaming + cancellation

The browser-side flow:

1. SPA submits a prompt → `ChatbotService.send(prompt)`.
2. Service appends a user message + empty assistant placeholder, sets `isStreaming = true`.
3. `ChatbotApiService.openChatStream(...)` opens a `POST` with `Accept: text/event-stream`, `credentials: 'include'`, `X-CSRF-Token` from the `__Host-portal_csrf` cookie, and an `AbortSignal`.
4. The response body's `ReadableStream<Uint8Array>` is parsed frame-by-frame by `sse-parser.ts` and yielded as `AsyncIterable<{event, data}>`.
5. The state service routes each frame: `token` appends to the assistant message, `citation` accumulates with a 1-based index, `error` marks the message as failed, `done` terminates the stream.
6. Cancellation: clicking Stop, navigating away, or any unhandled error fires `AbortController.abort()` → fetch terminates → upstream gRPC call is cancelled → AI service stops the LLM.

Persistence: **session-ephemeral** by design. A SPA reload starts a fresh conversation. Matches the AI service's v1 posture (no per-user conversation table) and avoids the GDPR question of storing free-form transcripts before a consent flow lands.

### Native `fetch` + manual CSRF

`HttpClient` buffers responses; native `fetch().body` is the only way to consume the stream incrementally. As a consequence, the project's `bffCredentialsInterceptor` + `csrfInterceptor` do not run on this call. The service handles both concerns manually:

- `credentials: 'include'` is set explicitly so `__Host-portal_session` travels.
- The `__Host-portal_csrf` cookie is read via `document.cookie` (it is intentionally not `HttpOnly` per [ADR-0009](docs/decisions/0009-auth-flow-oidc-pkce-msal-node.md) §"CSRF defense") and echoed in the `X-CSRF-Token` header.

The cookie name + BFF base URL come from the same `AUTH_*` injection tokens the interceptors use, so the wire contract stays single-sourced.

## Notes for the reviewer

- **Why ChatbotCitationPanel is its own component.** Initial draft put the side panel inside `chatbot-host.scss`, which crossed the `anyComponentStyle` 6 KB error budget. Two paths to fix: raise the budget, or extract. Did both — the panel is genuinely its own dialog with its own ARIA contract, and the host stays under budget. The budget bump (5/6 → 6/8 KB) brings portal-shell in line with portal-admin where the same wall was hit on the audit page.
- **Why `@defer (on idle)` rather than `@defer (on viewport)` or eager.** Eager pushed the initial main bundle from ~282 KB to ~315 KB — past the 300 KB budget. The widget is not critical path on first paint, so deferring is correct on its own terms. `on idle` ensures it loads as soon as the browser is idle, so the launcher is interactive within a second on a fresh load. `on viewport` would have required the widget to be in the initial viewport, which the floating launcher is not consistently.
- **Why `<article>` children rather than `<li>` inside `role="log"`.** axe-linter (and the underlying ARIA spec) reject `role="log"` on `<ol>` / `<ul>`. Switched to `<div role="log">` with `<article>` children; semantically each chat turn is a discrete piece of content, which is exactly what `<article>` is for.
- **Why ChatbotService doesn't extend / re-use the existing `AuthService` patterns more directly.** Conversation state is ephemeral and not security-sensitive; the auth service's discriminated-union state machine is overkill for the toggle + buffer pattern the chatbot needs. The two services share the same `signal` / `computed` / `effect` idiom; that's enough consistency.
- **Why hard-coded suggestions instead of pulling from a server.** v1 ships with four French suggestions tagged for translation; server-driven suggestions are a v2 step that requires a new endpoint and a personalisation question that v1 doesn't need to answer. The current shape moves to server-driven by replacing the array literal with an effect that fetches — single point of change.
- **Tool-call event handling.** The SSE writer in #196 emits `event: tool-call` frames; the SPA parses them but does not render anything. v1 ships with an empty tool registry on the BFF side, so the AI service never emits them. When the first tool lands, the rendering UI is a follow-up PR.
- **stargate-a11y-uplift memory.** The memory note `feedback_stargate_a11y_uplift.md` codifies the rule used here for future migrations from stargate: adapt, don't transcribe. The PR text under "Accessibility decisions" is the case study.

## Test plan

- [x] `pnpm nx test portal-shell` — **85 specs pass** (was 58, +27 new across SSE parser / API service / state service / host component).
- [x] `pnpm nx test shared-ui` — 10 specs pass (icon registry exhaustive-key spec picks up the 6 new icons).
- [x] `pnpm nx lint portal-shell` — 0 errors. 5 pre-existing non-null assertion warnings in the new spec files are documented limits of vitest's mock typing.
- [x] `pnpm nx build portal-shell` — clean. Main bundle 297.49 KB raw (under 300 KB budget). Chatbot lazy chunk: 27.61 KB raw / 6.49 KB transfer. SCSS: host 7.6 KB / citation panel 2.6 KB, both under the new 8 KB error budget.
- [x] `pnpm nx run-many -t lint test build -p portal-shell,portal-admin,portal-bff,shared-ui,shared-charts` — five projects all green.
- [ ] **Manual smoke** (requires the BFF wired to `apf-ai-service` per #196's plan):
  1. `cd ../apf-ai-service && docker compose -f infra/docker-compose.yml up` to bring up the AI service.
  2. `AI_SERVICE_GRPC_ENDPOINT=localhost:8080` in `apps/portal-bff/.env`, then `pnpm nx serve portal-bff` + `pnpm nx serve portal-shell`.
  3. Sign in to the SPA, click the floating launcher bottom-right → panel opens, focus lands on the close button.
  4. Pick a suggestion → user message appears right-aligned, assistant message streams in left-aligned with the typing dots animating (unless `prefers-reduced-motion` is on).
  5. Click Stop mid-stream → the AI service log shows the gRPC call cancelled.
  6. Press Escape with focus inside the panel → panel closes, focus returns to the launcher.
  7. Toggle fullscreen → panel expands to `inset: 1rem`, ARIA contract unchanged.
  8. Toggle dark mode → all themed surfaces switch via the CSS-variable swap in `chatbot-host.scss`; AA contrast still holds against the brand tokens.
  9. Hit `/fr` and `/en` builds independently; suggestion labels swap between locales.

## What's next

The AI relay chantier closes here. Pending follow-ups stay as written in #196:

1. **PR (post-v1)** — proto-drift CI gate diffing the BFF's vendored `proto/apf-ai/` against an upstream tag of `apf-ai-service`.
2. **Coordinated amendment** — when the first production deployment is in scope, both repos record the same prod-hardening choice (signed `Principal` envelope or mTLS) on the same date.
3. **Tool-call rendering** — UI surface for the `tool-call` SSE frame, once the BFF gains its first tool descriptor.
4. **Server-driven suggestions** — replace the four hard-coded prompts with an effect that fetches per-user suggestions from a future endpoint.

---------

Co-authored-by: Julien Gautier <julien.gautier@apf.asso.fr>
Reviewed-on: #197
2026-05-20 01:39:13 +02:00
julien aa61ea0e02 feat(portal-shell): ghost-style Sign-in button with log-in icon (#189)
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## Summary

The anonymous "Sign in" CTA in `portal-shell`'s header was a filled brand-primary block sitting next to two round icon-only buttons (Notifications, Help). The contrast was off — the filled rectangle visually dominated the row even though it's the *third* action in the strip. This PR turns it into a ghost-style button (no fill, no border) with a `log-in` icon ahead of the label, matching the quiet posture of its neighbours while still reading as the primary CTA for unauthenticated users.

## What lands

`apps/portal-shell/src/app/components/header/header.html` — the anonymous-state button:

| Aspect | Before | After |
|---|---|---|
| Fill | `bg-brand-primary-500` (filled) | `bg-transparent` (ghost) |
| Text colour | `text-white` | `text-brand-primary-500` (`-300` in dark) |
| Border | none | none — pure text-only style |
| Hover | darker fill | light `bg-brand-primary-50` tint + `text-brand-primary-600` |
| Icon | (none) | `<lib-icon name="log-in" [size]="16" aria-hidden="true" />` ahead of the label |
| Padding / gap | `px-4 gap-2` | `px-3 gap-1.5` (slightly tighter, makes room for the icon without growing the chrome) |
| Height | `h-11` | `h-11` (unchanged — 44 × 44 touch target per [ADR-0016](docs/decisions/0016-accessibility-baseline-wcag-aa-targeted-aaa.md) holds) |

`libs/shared/ui/src/lib/icon/icon.ts` — adds the missing pair of the existing `log-out` icon:

- Imports `LogIn` from `lucide-angular`.
- Registers `'log-in': LogIn,` in the alphabetical registry between `'layout-dashboard'` and `'log-out'`.

## Notes for the reviewer

- **Ghost vs. outline vs. filled — why ghost.** Tried two intermediate iterations during the design pass (outline with brand border, then a more compact outline). The user preferred the ghost rendering once we removed the border — the header strip is the right surface for an "always-quiet, surfaces on hover" CTA, since the user typically scans for the search bar first, not the auth state. Filled buttons are the right call inside content where the CTA *is* the focal point (forms, modals).
- **Touch-target stays at 44 × 44.** `h-11` is kept on purpose. The CI a11y gate from ADR-0016 (`touch-target check (44×44 min)`) is non-negotiable for interactive controls; visually shrinking horizontal padding + reducing visual weight is the right way to "compact" a button without breaking the target rule.
- **`aria-hidden="true"` on the icon.** The adjacent `<span>` carries the localised label, and the screen-reader contract is "the button announces 'Sign in', not 'log-in icon Sign in'". The icon is decorative reinforcement.
- **Label still wrapped in `<span i18n="@@header.signIn">` rather than directly on the button.** Required because the button now contains both an icon child and the text — Angular's `i18n` on the button itself would extract the icon's rendered SVG into the translation unit, which is not what translators want to see. Wrapping the text isolates the translation unit cleanly.
- **`log-in` belongs in `shared-ui`, not portal-shell.** Even though portal-shell is the only consumer today, the icon registry is by contract the single point of truth for both apps — `portal-admin`'s eventual sign-in surface will use the same icon, so registering it once in the shared lib is the right boundary.

## Test plan

- [x] `pnpm nx test portal-shell` — green. The existing spec asserts `btn.textContent.trim() === 'Sign in'`; the `<lib-icon>` renders to an SVG (no text content) and the label is now inside a `<span>`, so the text-trim check still holds.
- [x] `pnpm nx test shared-ui` — green. Icon registry's exhaustive-key spec picks up the new entry automatically (it iterates `Object.keys(ICON_REGISTRY)`).
- [x] `pnpm nx build portal-shell` — clean, no bundle-size deltas worth flagging (`log-in` is tree-shaken alongside the rest of lucide-angular).
- [x] `pnpm nx lint portal-shell shared-ui` — clean.
- [ ] **Manual smoke** — `pnpm nx serve portal-shell`, signed-out, header visible:
  - Anonymous state: ghost "Sign in" button with the log-in icon. Hover surfaces a faint fill; focus shows the brand outline ring.
  - Switch to authenticated: button is replaced by `<lib-user-menu>` (unchanged).
  - `error` state: amber "Can't reach the server" badge (unchanged).
  - Toggle dark mode: text shifts to `brand-primary-300`, hover surfaces a `gray-800` fill; still readable.
  - Tab from the address bar into the header — focus order: search input → bell → help → Sign in. Focus ring on the ghost button matches the other icon buttons (`outline-brand-primary-500 outline-offset-2`).

## What's next

- `portal-admin` will get the same `log-in` icon for its own (still skeleton) sign-in surface once that wiring lands — single shared registry means no further change here.
- If the marketing folks ever ask the sign-in CTA to come back forward visually (festival days, post-incident push), the ghost class block can flip to a filled variant locally without touching the icon or i18n contract.

---------

Co-authored-by: Julien Gautier <julien.gautier@apf.asso.fr>
Reviewed-on: #189
2026-05-19 11:42:33 +02:00
julien 6f26bcdd65 feat(shared-ui): move the role label from the portal-shell sidebar into the user menu (#165)
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## Summary

Moves the "Role: …" widget from the bottom of the `portal-shell` sidebar into the user-menu panel header. Result: the role chip appears only when the reader is authenticated (the user menu only renders in that state), removing the noise of "Role: Anonymous" on signed-out traffic and de-duplicating the surface that already carries displayName / username / capability-gated actions.

```
Before: sidebar bottom  →  "Role: Anonymous"  (always rendered, even signed-out)
After:  user-menu panel →  • <role chip>      (only when authenticated)
```

## What lands

### Shared component — [`UserMenu`](libs/shared/ui/src/lib/user-menu/) gets an optional `role` input

When set, a small brand-tinted pill (`data-testid="user-menu-role"`) renders inside the panel header below the username. When undefined, the entire chip is omitted — keeps backwards compat with any future caller that doesn't carry a role concept.

```ts
readonly role = input<string | undefined>(undefined);
```

Visually echoes the `.role-chip` already used on the admin `/profile` page (rounded brand-tinted pill), tightened for the menu header density and `align-self: flex-start` so the pill doesn't stretch.

### Portal-shell

- **Header** ([header.ts](apps/portal-shell/src/app/components/header/header.ts)) gains a `roleLabel` computed that derives `Administrator` / `User` from `CapabilitiesService.canAccessAdmin` — the same logic that previously lived in the sidebar. The template binds it as `[role]="roleLabel()"` on `<lib-user-menu>`.
- **Sidebar** ([sidebar.ts](apps/portal-shell/src/app/components/sidebar/sidebar.ts), [sidebar.html](apps/portal-shell/src/app/components/sidebar/sidebar.html)) loses the role widget entirely: HTML block, `roleLabel` + `roleAriaLabel` computeds, and the `AuthService` + `CapabilitiesService` injections (the sidebar no longer needs them).
- **Sidebar spec** drops its three "role label" tests, grows a guard test asserting `data-testid="sidebar-role"` no longer exists, and reverts to the pre-#151 setup (no Http testing infrastructure — the sidebar no longer fires `/auth/me` or `/me/capabilities`).
- **Header spec** gains two assertions for the role chip inside the open menu panel (`Administrator` when `canAccessAdmin: true`, `User` otherwise).

### Portal-admin

- **Header** ([header.ts](apps/portal-admin/src/app/components/header/header.ts)) passes a **hardcoded `'Administrator'`** through `[role]`. Every reader who reaches the admin app already carries `Portal.Admin` (it's the `AdminRoleGuard` precondition for `/api/admin/*`); no need to re-derive. No i18n marks per ADR-0020's source-locale-only chrome.

### i18n

Five translation units gone from [`messages.fr.xlf`](apps/portal-shell/src/locale/messages.fr.xlf):

```
sidebar.role.anonymous
sidebar.role.administrator
sidebar.role.user
sidebar.role.aria
sidebar.role.label
```

Replaced by two new units under a generic prefix (the new owners are the user menu in either app, not the sidebar):

```
common.role.administrator
common.role.user
```

The `Anonymous` string is gone too — the chip is hidden on anonymous traffic, the label served no purpose without the user menu rendering it.

## Notes for the reviewer

- **Why a generic `common.role.*` prefix rather than `userMenu.role.*`?** The strings are reusable in any context that needs a curated role display (profile page header in a future PR, an audit log "actor role" column, …). Generic prefix avoids the next rename when a second consumer lands.
- **Why hardcode "Administrator" for portal-admin rather than reading `roles`?** The admin SPA's `CurrentUser.roles` carries the raw Entra role string (`Portal.Admin`). Displaying that in the menu header would leak the internal nomenclature into the UI — fine for the `/profile` page (it's explicit context there), wrong for the casual menu glance. The hardcoded label keeps the menu consistent with portal-shell ("Administrator" in both surfaces). If a non-admin role ever reaches portal-admin (the guard rejects it today, but the surface could evolve), this is the one place to revisit.
- **No CapabilitiesService dependency on portal-admin.** The admin app doesn't import the service — its session already exposes `roles` on `/api/admin/auth/me`, and the chip is unconditional. Keeps the admin bundle untouched by the user-portal capabilities plumbing.
- **A11y check.** The role chip is plain text inside the menu panel; the menu panel itself carries `role="menu"` + `aria-label`. The chip doesn't need an extra label — it reads "Administrator" / "User" in context after the displayName and username, which conveys the meaning. No focus state needed (not interactive).

## Test plan

- [x] `pnpm nx run-many -t lint test build --projects=shared-ui,portal-shell,portal-admin` — green.
  - `shared-ui` — **10 specs pass** (was 8; +2 for the role chip).
  - `portal-shell` — **43 specs pass** (header +2, sidebar -3 + 1 guard = -2 net, balanced to +0 on the total → 43 unchanged).
  - `portal-admin` — **50 specs pass** (no spec edits; the `[role]` binding is exercised by the existing user-menu spec via the shared component).
- [x] `pnpm nx build portal-shell --configuration=production` — i18n-strict prod build passes; confirms the xlf cleanup + new `common.role.*` keys are consistent with usage.
- [ ] **Manual smoke**:
  - **portal-shell anonymous**: sidebar bottom shows only the collapse toggle (no role line). Click "Sign in" → land back signed in, sidebar bottom unchanged.
  - **portal-shell signed in (non-admin)**: avatar → open menu → header shows `Signed in as / displayName / username / [User]` chip.
  - **portal-shell signed in (admin)**: same, chip reads `Administrator`, and the menu carries the `Open Portal Admin` row above Sign out.
  - **portal-admin signed in**: avatar → open menu → `[Administrator]` chip regardless of which admin user signed in.
  - Tabbing across the sidebar bottom no longer pauses on a non-interactive `<p>` element — directly hits the collapse toggle button.

---------

Co-authored-by: Julien Gautier <julien.gautier@apf.asso.fr>
Reviewed-on: #165
2026-05-16 03:09:56 +02:00
julien a8ead65ea8 feat(shared-ui): user menu dropdown + integration on portal-shell + portal-admin (#149)
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## Summary

PR 1 of 3 from the user-menu / profile / cross-app-link chantier per the agreed staging:

| PR | Périmètre |
| --- | --- |
| **PR 1 (this one)** | Shared `UserMenu` dropdown component + integration on `portal-shell` and `portal-admin`; anonymous Sign-in button moves to `rounded-md`. |
| PR 2 | `/profile` pages on both apps. |
| PR 3 | `/api/me/capabilities` endpoint + real role surfacing on the sidebar widget + cross-app links in the menu (both directions). |

Lands the gitea / github-shaped avatar dropdown so admins and end users get the familiar "Signed in as / Profile / Settings / Sign out" pattern. Future entries (cross-app link, role-based visibility) plug into the same `items` input without touching the shared component.

## What lands

### Shared component — [`libs/shared/ui/src/lib/user-menu/`](libs/shared/ui/src/lib/user-menu/)

```html
<lib-user-menu
  [displayName]="state.user.displayName"
  [username]="state.user.username"
  [initials]="initials()"
  [items]="userMenuItems"
  [signedInAsLabel]="…"
  [signOutLabel]="…"
  [triggerAriaLabel]="…"
  (signOut)="signOut()"
/>
```

- Avatar trigger (initials in a rounded square + chevron-down hint), CDK `cdkMenuTriggerFor` opening the panel in an overlay portal. Same primitives `ThemeSwitcher` and `LocaleSwitcher` already use — keyboard nav, focus management and Escape-to-close come for free.
- Panel layout: "Signed in as" small-caps header → `displayName` → `username` → separator → caller-supplied `items` → separator → dedicated Sign out row at the bottom.
- `UserMenuItem` shape supports `routerLink` (intra-app) **and** `href` (cross-app / external) so PR 3's "Open Portal Admin" entry can land without re-shaping the API.
- Disabled items render as `aria-disabled` rows with a right-aligned badge — same Soon-chip pattern the admin sidebar already uses for not-yet-shipped entries.
- Sign out is **not** an item — it's a hardcoded row that emits a `signOut` output. Avoids special-casing item types and keeps the destructive action visually + structurally distinct.
- Avatar background is driven by `--user-menu-avatar-bg` / `--user-menu-avatar-fg` CSS custom properties so each host header can re-skin without forking the component (portal-admin uses translucent white over the brand-primary-600 header; portal-shell keeps the default brand-primary-500).

### Portal-shell integration — [`apps/portal-shell/src/app/components/header/`](apps/portal-shell/src/app/components/header/)

- Authenticated state in [header.html](apps/portal-shell/src/app/components/header/header.html) swaps the inline avatar + display name + Sign-out button for `<lib-user-menu>`.
- Anonymous Sign-in button moves from `rounded-full` → `rounded-md` per the reference image. Loading + error chips follow for visual consistency with the new square-ish avatar.
- 6 new strings in [`messages.fr.xlf`](apps/portal-shell/src/locale/messages.fr.xlf): `header.userMenu.{profile,settings,signedInAs,signOut,trigger.aria}` + `common.badge.soon`.

### Portal-admin integration — [`apps/portal-admin/src/app/components/header/`](apps/portal-admin/src/app/components/header/)

- Same swap, leaner: the admin header keeps its inline `.btn--primary` / `.btn--secondary` for anonymous + error states (no search bar / notification cluster, per ADR-0020), only the authenticated state goes through the menu.
- Overrides `--user-menu-avatar-bg` / `--user-menu-avatar-fg` in [`header.scss`](apps/portal-admin/src/app/components/header/header.scss) under `.auth-widget lib-user-menu` so the avatar reads on the brand-primary-600 background. No FR labels (no admin locale in v1 per ADR-0020).

## Notes for the reviewer

- **Why `Sign out` outside the `items` array?** It's the only destructive action in the panel + always present + emits an event rather than navigates. Keeping it special-cased lets the `items` API stay tight (`{ label, icon?, routerLink? | href?, disabled?, badge? }`) and gives each app a single typed entry point (`signOut` output) rather than a brittle `items[].action === 'sign-out'` discriminator.
- **Why `data-testid="user-menu"` on the component host?** The shared spec already covers panel internals; each app's spec needs a top-level handle to reach the trigger without coupling to the avatar CSS class. Same pattern as the existing `data-testid="sign-in-button"`.
- **Profile entry points at `/profile` on both apps in this PR.** Portal-shell already has a demo `/profile` route, so the link works; portal-admin will 404 until PR 2 lands the actual page. Interim cost is acceptable given PR 2 lands directly behind this.
- **No ADR for the component.** It's a UI primitive in `libs/shared/ui` — same tier as `Icon`. Promotion criteria, dark-mode, a11y, and i18n all follow the existing ADRs already in force (ADR-0004 + 0016 + 0019).

## Test plan

- [x] `pnpm nx test shared-ui` — **8 specs pass** (was 3, +5 for `UserMenu`).
- [x] `pnpm nx test portal-shell` — **35 specs pass** (was 34, +1 for the new "opens menu" assertion).
- [x] `pnpm nx test portal-admin` — **46 specs pass** (was 45, +1 for the new "opens menu" assertion).
- [x] `pnpm nx run-many -t lint test build --projects=portal-shell,portal-admin,shared-ui,shared-state,feature-auth` — 15/15 tasks green, including the i18n-strict `portal-shell:build:production`.
- [ ] Manual smoke — sign in on portal-shell, confirm the avatar lives at the top right with the dropdown opening on click / Enter / ArrowDown, Profile navigates to `/profile`, Settings appears greyed with a "Soon" badge, Sign out triggers the BFF logout. Repeat on portal-admin (the avatar background should pick the translucent-white override over the brand-primary-600 header).

## What's next

PR 2 picks up directly: builds a real `/profile` page on each app, both reading from `feature-auth`'s `currentUser()` signal.

---------

Co-authored-by: Julien Gautier <julien.gautier@apf.asso.fr>
Reviewed-on: #149
2026-05-15 15:23:39 +02:00
julien 8329fa133d refactor(libs): graduate Icon / LayoutStateService / brand tokens to libs/shared/* (#99)
CI / check (push) Successful in 3m34s
CI / commits (push) Has been skipped
CI / scan (push) Successful in 2m16s
CI / a11y (push) Successful in 2m3s
CI / perf (push) Successful in 3m34s
## Summary

Per ADR-0020 §"Shared-libs graduation": the three primitives that `portal-shell` (today) and `portal-admin` (next) will both share move out of `apps/portal-shell/src/` and into the workspace libs. Mechanical move — no behaviour change, prepares the ground for the admin-app PR.

## Graduated

| Primitive | Old location | New location |
|---|---|---|
| `Icon` component (+ `IconName` type) | `apps/portal-shell/src/app/components/icon/` | [`libs/shared/ui/src/lib/icon/`](libs/shared/ui/src/lib/icon/) |
| `LayoutStateService` (+ `ThemeMode` type) | `apps/portal-shell/src/app/state/` | [`libs/shared/state/src/lib/`](libs/shared/state/src/lib/) |
| Brand-palette `@theme` block | `apps/portal-shell/src/styles.css` | [`libs/shared/tokens/src/brand-tokens.css`](libs/shared/tokens/src/brand-tokens.css) |

## Notable changes

- **Icon selector renamed `app-icon` → `lib-icon`.** Required by the lib's ESLint `@angular-eslint/component-selector` rule (prefix `lib` for shared libs). All ~20 usages in `portal-shell` templates updated in one sweep.
- **New `shared-state` library** generated via `nx g @nx/angular:library libs/shared/state`. Mirrors the existing `feature-auth` / `shared-ui` shape (vite + Angular + spec setup). `tsconfig.base.json` path alias `shared-state` added by the generator.
- **Lib tags rebalanced** to satisfy the module-boundary lint rule:
  - `shared-state`: new lib → `scope:shared, type:shared`.
  - `shared-ui`: was `scope:portal-shell` (scaffold default) → `scope:shared, type:shared`.
- **`shared-tokens` is now CSS-only.** The placeholder TS function is gone; `index.ts` is an empty `export {}` with a TODO note. Vitest config flips `passWithNoTests: true` so the test target stops failing on the empty lib.
- **`portal-shell`'s `styles.css`** drops the inline `@theme {}` block and instead `@import`s `../../../libs/shared/tokens/src/brand-tokens.css`. Both apps will read the same source.
- Placeholder scaffolded files in `shared-ui/src/lib/shared-ui/` removed.

## Verification

- `nx run-many -t lint test build` across `portal-shell, shared-ui, shared-state, shared-tokens` — green.
- Tests redistributed: **portal-shell 28**, **shared-state 9**, **shared-ui 3**, **shared-tokens 0** = 40 total (same as before the move).
- Production build: **128.7 KB gzip** initial per locale (was 128.5 KB on `main` — noise-level delta).
- Brand-color CSS variables (`--color-brand-primary-500: #12546c`, …) still inlined in the produced `styles-*.css`.
- `dist/.../browser/{en,fr}/` emitted as expected.

## What this PR explicitly does NOT do

- Move other components (Header, Sidebar, Footer, ThemeSwitcher, LocaleSwitcher). Those are app-specific shell concerns; if `portal-admin` ends up needing them, they graduate in their own PR.
- Set up `portal-admin`. That's the next PR on the admin track — and now imports from `shared-ui` / `shared-state` / `shared-tokens` will Just Work.
- Refactor `feature-auth`'s tagging. It still says `scope:portal-shell`; revisit when the auth implementation actually lands and the dual-audience design (per ADR-0008) makes the right scope obvious.

## Test plan

- [x] Per-project run-many — green.
- [x] Production build emits both locales with brand tokens applied.
- [ ] Manual: `pnpm exec nx serve portal-shell` — the dev experience is unchanged.
- [ ] Manual: serve-static + locale switcher / theme switcher / sidebar collapse / navigation — all the behaviours the moved primitives drive still work in production.

---------

Co-authored-by: Julien Gautier <julien.gautier@apf.asso.fr>
Reviewed-on: #99
2026-05-12 01:17:30 +02:00
Julien Gautier 8de19320c5 chore: generate shared and feature libs with module boundaries per ADR-0003
Generate the four phase-4 libraries:

- libs/shared/tokens (project name shared-tokens) - plain TS lib via
  @nx/js:library; will host the a11y design tokens (palette,
  contrast tiers, spacing, motion) once Tailwind lands in phase 5;
  consumable by both apps; tagged scope:shared, type:shared.
- libs/shared/util (shared-util) - plain TS lib for cross-cutting
  utility code; tagged scope:shared, type:shared.
- libs/shared/ui (shared-ui) - Angular standalone library that will
  host the spartan-ng components copy-pasted in phase 5; Angular-only
  so tagged scope:portal-shell, type:shared. unitTestRunner=
  vitest-analog because vitest-angular requires a buildable lib.
- libs/feature/auth (feature-auth) - placeholder Angular standalone
  feature lib to demonstrate the type:feature pattern; tagged
  scope:portal-shell, type:feature.

@nx/enforce-module-boundaries depConstraints replaced (root
eslint.config.mjs) with the rules from ADR-0003:

  scope:portal-shell -> scope:portal-shell, scope:shared
  scope:portal-bff   -> scope:portal-bff,   scope:shared
  scope:shared       -> scope:shared
  type:app           -> type:feature, type:shared
  type:feature       -> type:feature, type:shared
  type:shared        -> type:shared

This forbids portal-shell from importing portal-bff code (and vice
versa) and prevents shared libs from depending on feature libs.

Project names follow the convention of ADR-0003 (feature-<name> /
shared-<scope>) by passing --name explicitly to the generator; the Nx
22 default takes only the last directory segment.

Sanity check: pnpm nx run-many -t lint and -t test pass for the 8
projects (4 apps/e2e + 4 libs).

Side effects from the generators: tsconfig.base.json paths populated
with the lib import aliases; nx.json gains vite/playwright plugin
entries; .gitignore picks up vitest.config.*.timestamp* (Vitest temp
files); package.json gains @analogjs/vitest-angular and related
devDeps; pnpm-lock.yaml regenerated. Two eslint-disable comments in
portal-bff-e2e support files were trimmed by lint --fix - those files
already lint clean without the directive.
2026-04-30 17:37:29 +02:00