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docs: update documentation to OKF v0.1 format

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OpenVelo Agent
2026-07-21 22:26:44 +00:00
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docs/architecture/frontend-structure.md
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@@ -2,21 +2,24 @@
type: architecture
title: Frontend Structure
description: Angular routes, components, services, guards, and interceptors.
tags: [architecture, frontend, angular]
timestamp: 2026-07-21T18:28:00Z
tags: [architecture, frontend, angular, shell, sse]
timestamp: 2026-07-21T22:19:08Z
---
# Routes
Routes live in `frontend/src/app/app.routes.ts`:
| Path | Component | Guard | Notes |
|--------------|----------------------------------|---------------|----------------------------------------|
| `/bootstrap` | `SetupCreateAdminComponent` | — | Lazy-loaded first-admin creation route. Non-dismissible modal overlay while `initialized === false`; successful creation navigates to `/admin`. |
| `/login` | `LandingComponent` | `landingGuard`| Public landing page that hosts the login (and registration, when enabled) modal. The `landingGuard` redirects to `/bootstrap` until the instance is initialized and to `/` if the user is already authenticated. |
| `/` | `HomeComponent` (shell) | `authGuard` | Requires auth + initialized. Hosts a `<router-outlet>` for child routes. |
| `/admin` | `AdminUsersComponent` | `adminGuard` | Child of `/`; requires `role === 'admin'`. |
| `**` | Redirect to `/` | — | Wildcard fallback. |
| Path | Component | Guard | Notes |
|-----------------|----------------------------------|---------------|----------------------------------------|
| `/bootstrap` | `SetupCreateAdminComponent` | — | Lazy-loaded first-admin creation route. Non-dismissible modal overlay while `initialized === false`; successful creation navigates to `/admin`. |
| `/login` | `LandingComponent` | `landingGuard`| Public landing page that hosts the login (and registration, when enabled) modal. The `landingGuard` redirects to `/bootstrap` until the instance is initialized and to `/` if the user is already authenticated. |
| `/` | `HomeComponent` (shell) | `authGuard` | Requires auth + initialized. Hosts the header (LED + countdown + user menu), quick-jump tabs (Challenges/Scoreboard/Blog), and a `<router-outlet>` for child routes. Default child route redirects to `/challenges`. |
| `/challenges` | `ChallengesPage` | inherits `authGuard` | Placeholder child of `/`; renders an empty page until the challenges Job lands. |
| `/scoreboard` | `ScoreboardPage` | inherits `authGuard` | Placeholder child of `/`; renders an empty page until the scoreboard Job lands. |
| `/blog` | `BlogPage` | inherits `authGuard` | Placeholder child of `/`; renders an empty page until the blog Job lands. |
| `/admin` | `AdminUsersComponent` | `adminGuard` | Child of `/`; requires `role === 'admin'`. |
| `**` | Redirect to `/` | — | Wildcard fallback. |
# Components
@@ -26,23 +29,34 @@ All components are standalone (no NgModules). Each component imports
| Component | Path | Purpose |
|------------------------|-----------------------------------------------------------------|-------------------------------------------------|
| `AppComponent` | `frontend/src/app/app.component.ts` | Root; renders `<router-outlet>`, calls `BootstrapService.load()` then `AuthService.restoreSession()`. |
| `HomeComponent` | `frontend/src/app/features/home/home.component.ts` | Authenticated shell with header, conditional admin nav, and `<router-outlet>` for children. |
| `HomeComponent` | `frontend/src/app/features/home/home.component.ts` | Smart authenticated shell. Hosts the `ShellHeaderComponent`, `QuickTabsComponent`, the `ChangePasswordModalComponent`, and the `<router-outlet>` for child routes. Owns the active section / active tab signals and the SSE lifecycle for `EventStatusStore`. |
| `ShellHeaderComponent` | `frontend/src/app/features/shell/header/shell-header.component.ts` | Dumb presentational header. Inputs: `pageTitle`, `activeSection`, `eventState`, `countdownText`, `username`, `rankText`, `canAccessAdmin`, `userMenuOpen`. Outputs: `titleClick`, `usernameMenuToggle`, `rankClick`, `changePasswordClick`, `adminClick`, `logoutClick`. Renders the LED (state class), `DD:HH:mm` countdown, and an inline user menu dropdown (`Change password`, optional `Admin area`, `Logout`). |
| `QuickTabsComponent` | `frontend/src/app/features/shell/tabs/quick-tabs.component.ts` | Dumb presentational tab strip. Inputs: `tabs: ShellTab[]`, `active: string`. Output: `tabChange: {id}`. |
| `ChangePasswordModalComponent` | `frontend/src/app/features/shell/change-password/change-password-modal.component.ts` | Dumb reactive-form modal with three fields (`oldPassword` only in `mode='self'`), `passwordMatchValidator` group validation, policy hint from `BootstrapService.passwordPolicy()`, and `errorMessage`/`submitting` inputs. Emits `submit(payload)` and `cancel()`. Closes on Escape and on overlay click. |
| `ChallengesPage` | `frontend/src/app/features/challenges/challenges.page.ts` | Placeholder child route. |
| `ScoreboardPage` | `frontend/src/app/features/scoreboard/scoreboard.page.ts` | Placeholder child route. |
| `BlogPage` | `frontend/src/app/features/blog/blog.page.ts` | Placeholder child route. |
| `AdminUsersComponent` | `frontend/src/app/features/admin/admin-users.component.ts` | Admin-only user list rendered inside the home shell. |
| `LoginComponent` | *(removed)* — replaced by `LandingComponent`. | |
| `LandingComponent` | `frontend/src/app/features/landing/landing.component.{ts,html,css}` | Public landing page: logo, page title, rendered `welcomeMarkdown`, "Login" button, blog post list, and the modal that contains both the login and registration forms (mode toggled by a single signal). |
| `LandingService` | `frontend/src/app/features/landing/landing.service.ts` | Fetches `GET /api/v1/blog/posts`, exposes `posts`/`loading`/`error` signals. |
| `LandingComponent` | `frontend/src/app/features/landing/landing.component.{ts,html,css}` | Public landing page: logo, page title, rendered `welcomeMarkdown`, "Login" button, blog post list, and the modal that contains both the login and registration forms (mode toggled by a single signal). |
| `LandingService` | `frontend/src/app/features/landing/landing.service.ts` | Fetches `GET /api/v1/blog/posts`, exposes `posts`/`loading`/`error` signals, `refresh()`. |
| `LoginModalService` (pure helpers) | `frontend/src/app/features/landing/login-modal.service.ts` | Pure `buildLoginFailureMessage` that maps an API error envelope into user-facing copy (and extracts a `retryAfterSeconds` for `RATE_LIMITED`). |
| `SetupCreateAdminComponent` | `frontend/src/app/features/setup/setup-create-admin.component.ts` | First-admin bootstrap modal with typed reactive form, inline validation messages (via [the field-error helpers](/guides/setup-field-errors.md)), retry handling, session initialization, and redirect to `/admin`. |
| `HomeShell` (pure helpers) | `frontend/src/app/features/home/home.shell.ts` | Pure `shouldShowAdminNav({isAuthenticated, role})` + `deriveActiveSectionFromUrl(url)` predicates (unit-tested). |
# Services
| Service | Path | Purpose |
|---------------------|---------------------------------------------------------------|-----------------------------------------------------------|
| `AuthService` | `frontend/src/app/core/services/auth.service.ts` | Signal-backed access token + current user; persists session to `sessionStorage`, exposes `restoreSession()` + `waitUntilHydrated()`, plus `login()` / `register()` (each calls `ensureCsrf()` then posts, returning a discriminated `LoginResult` / `RegisterResult`). |
| `BootstrapService` | `frontend/src/app/core/services/bootstrap.service.ts` | Fetches `/api/v1/bootstrap`, applies theme tokens to CSS; exposes `ready()` that deduplicates the in-flight load. |
| `AuthService` | `frontend/src/app/core/services/auth.service.ts` | Signal-backed access token + current user; persists session to `sessionStorage`, exposes `restoreSession()` + `waitUntilHydrated()`, plus `login()` / `register()` / `logout()` / `me()` / `changePassword()` (each calls `ensureCsrf()` first). Returns discriminated `LoginResult` / `RegisterResult` / `ChangePasswordResult` for component-level error handling. |
| `BootstrapService` | `frontend/src/app/core/services/bootstrap.service.ts` | Fetches `/api/v1/bootstrap`, applies theme tokens to CSS, exposes a `passwordPolicy` computed signal derived from the bootstrap payload; `load()` / `ready()` deduplicate the in-flight fetch. |
| `EventStatusStore` | `frontend/src/app/core/services/event-status.store.ts` | Signal store for the live event window. Owns `state`/`serverNowUtc`/`eventStartUtc`/`eventEndUtc`, derives a `countdownText` computed signal (`DD:HH:mm` or `"Event ended"`), and exposes `start(createSource)` / `stop()` so `HomeComponent` can drive a 1-second tick that re-derives the seconds-to-start/end locally between SSE pushes. |
| `EventStatusPure` | `frontend/src/app/core/services/event-status.pure.ts` | Pure helpers consumed by the store and by tests: `deriveCountdownText(state, sStart, sEnd)`, `formatDdHhMm(totalSeconds)`, `EventSourceLike` interface, and the `EventState`/`EventStatePayload` types. |
| `UserStore` | `frontend/src/app/core/services/user.store.ts` | Signal store for the authenticated user (id/username/role/rank/points + loading/error). `hydrateFromAuth()` mirrors `AuthService.currentUser()`; `loadMe()` calls `AuthService.me()` and merges rank/points. Exposes `rankText` (`"Rank: <r> - Points: <p>"`). |
| `MarkdownService` | `frontend/src/app/core/services/markdown.service.ts` | Wraps `DomSanitizer.bypassSecurityTrustHtml` around the pure `renderMarkdownToHtml` helper. Used to render `welcomeMarkdown` and blog post bodies. |
| `AuthSessionStorage` (helpers) | `frontend/src/app/core/services/auth.session-storage.ts` | Pure `readStoredSession` / `writeStoredSession` / `clearStoredSession` against `sessionStorage` (key `hipctf.auth.v1`). |
| `SetupCreateAdminService` | `frontend/src/app/features/setup/setup-create-admin.service.ts` | Preflights the CSRF cookie, calls `POST /api/v1/setup/create-admin`, and normalizes success/failure responses. |
| `ChangePassword` (pure helpers) | `frontend/src/app/features/shell/change-password/password-feedback.ts` | `formatChangePasswordError({code, message})` maps the API error code (`INVALID_OLD_PASSWORD` / `PASSWORDS_DO_NOT_MATCH` / `PASSWORD_POLICY` / `UNAUTHORIZED`) to user-facing copy. |
| `ChangePassword` (validators) | `frontend/src/app/features/shell/change-password/change-password-modal.validators.ts` | `passwordMatchValidator` (group-level reactive-forms validator) + `PasswordPolicy` zod schema used by the modal. |
# Guards and interceptors
@@ -70,8 +84,9 @@ Both interceptors are wired in `frontend/src/main.ts` via
2. `BootstrapService` calls `GET /api/v1/bootstrap` (public, with
`credentials: 'include'`).
3. The payload sets `initialized` (true iff any admin user exists),
`pageTitle`, `logo`, `welcomeMarkdown`, the active `theme`, and the
default challenge IP.
`pageTitle`, `logo`, `welcomeMarkdown`, the active `theme`, the
`defaultChallengeIp`, the `registrationsEnabled` flag, and the
`passwordPolicy` descriptor consumed by the change-password modal.
4. Theme tokens are written to CSS custom properties on
`document.documentElement` (`--color-primary`, `--font-family`,
`--radius-*`, etc.) consumed by `frontend/src/styles.css`.
@@ -86,23 +101,52 @@ Both interceptors are wired in `frontend/src/main.ts` via
/ `isAuthenticated()`, which prevents a flash of `/bootstrap` or
`/login` on a hard refresh of a deep link.
# Home shell flow
# Authenticated shell flow
After successful auth, `HomeComponent` renders a thin shell layout:
After successful auth, `HomeComponent` renders a full shell layout:
1. The header (`shell-header`) shows the page title and signed-in
identity.
2. When `shouldShowAdminNav({isAuthenticated, role})` returns `true`
(see `frontend/src/app/features/home/home.shell.ts`) the admin nav
link (`data-testid="nav-admin"`) is rendered.
3. Child routes (e.g. `/admin` → `AdminUsersComponent`) render into the
shell's `<router-outlet>`.
4. `AdminUsersComponent` calls `AdminService.listUsers()` on init;
loading, error, and the rendered list are exposed as Angular signals.
1. **`ShellHeaderComponent`** is fed (signal inputs) the page title
from bootstrap, the active section label (computed from the current
router URL), the `EventStatusStore.state()` (used to colour the
LED — `running` / `countdown` / `stopped` / `unconfigured`), and the
`countdownText()` (`DD:HH:mm` or `"Event ended"`). The user menu
trigger opens an inline dropdown with `Rank: <r> - Points: <p>`,
`Change password`, optional `Admin area` (visible only when
`canAccessAdmin()` is true), and `Logout`.
2. **`QuickTabsComponent`** renders `Challenges / Scoreboard / Blog`
tabs. The `active` input is computed from the current URL
(`HomeComponent.activeTabId()`). Clicking a tab emits `tabChange`
and the parent calls `router.navigateByUrl('/' + id)` (or `/admin`
for `id === 'admin'`).
3. The `<router-outlet>` renders whichever child route is active
(`ChallengesPage`, `ScoreboardPage`, `BlogPage`, or `AdminUsersComponent`).
4. On `ngOnInit`, `HomeComponent` calls
`UserStore.hydrateFromAuth()` + `UserStore.loadMe()` (which calls
`AuthService.me()` → `GET /api/v1/auth/me`) and starts the SSE
consumer via `EventStatusStore.start(() => new EventSource('/api/v1/events/status', { withCredentials: true }))`.
The store parses each `message` frame, applies the state via
`applyServerStatus(payload)`, and ticks the local
`secondsToStart` / `secondsToEnd` signals every second.
5. On `ngOnDestroy` (and via `DestroyRef.onDestroy` for safety),
`HomeComponent` calls `EventStatusStore.stop()` to close the SSE
source and clear the tick interval.
6. Clicking `Change password` in the header opens the
`ChangePasswordModalComponent` (mode `'self'`). Submitting posts
`/api/v1/auth/change-password` via `AuthService.changePassword()`;
on success the modal closes and the user's existing refresh tokens
are revoked server-side. See the
[Change Password Guide](/guides/change-password.md) for the full
tester flow.
7. Clicking `Logout` calls `AuthService.logout()` (which POSTs
`/api/v1/auth/logout`), resets the `UserStore`, and navigates to
`/login`.
# See also
- [System Overview](/architecture/overview.md)
- [Backend Module Map](/architecture/backend-modules.md)
- [Key Files Index](/architecture/key-files.md)
- [First-Run Bootstrap](/guides/bootstrap.md)
- [Admin Shell & User Management](/guides/admin-shell.md)
- [Authenticated Shell](/guides/authenticated-shell.md)
- [Change Password](/guides/change-password.md)