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hapi/web/README.md
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18bcb522e1 feat(web): per-session scratchlist (workbench) panel (#772)
* feat(web): per-session scratchlist (workbench) panel

Adds a per-session "scratchlist" panel above the composer for parking
notes / drafts / parking-lot ideas that are explicitly held — never
auto-sent. This is distinct from the existing queue (QueuedMessagesBar):

- Queue = conveyor belt: messages auto-fire once the agent is idle.
- Scratchlist = workbench: held until the operator promotes them.

The amber accent and "held — not sent" pill make the visual distinction
obvious so operators don't mistake one for the other.

Features:
- Collapsible per-session panel (collapsed by default, persisted in
  localStorage).
- Add (Enter) / delete / reorder (up/down) entries.
- Promote-to-composer copies into the composer for editing (entry
  stays — copy semantics).
- Promote-to-queue routes through the existing onSend path so the
  entry shows up in QueuedMessagesBar; entry is removed only on
  accepted send.
- Entries persist per session under hapi.scratchlist.v1.<sessionId>.
- Confirm-on-delete only for entries longer than 100 chars.
- Ctrl/Cmd+Shift+S focuses the add-input.
- en + zh-CN strings.

v1 scope: localStorage-only. Hub-sync deferred to v2 to keep the
diff small and reviewable.

Test coverage:
- web/src/lib/scratchlist.test.ts — 21 tests (storage round-trip,
  add/delete/reorder/cap, malformed-JSON resilience, confirm threshold).
- web/src/components/AssistantChat/ScratchlistPanel.test.tsx — 13
  tests (collapse persistence, hydration, add/delete/reorder UI,
  promote-to-composer copy semantics, promote-to-queue accepted /
  rejected paths, per-session isolation).

Closes #11

Co-authored-by: Cursor <cursoragent@cursor.com>

* fix(scratchlist): block focus into collapsed panel via inert

Upstream review (tiann/hapi#772, codex bot) flagged that the collapsed
scratchlist body was visually hidden via CSS only - the textarea and
action buttons stayed mounted, focusable, and clickable while their
ancestor was aria-hidden. Tab into invisible controls + a hidden
subtree with focusable descendants is an a11y violation.

Apply `inert` to the inner content, gated on the collapsed state.
This removes the subtree from the focus, pointer, and accessibility
trees while keeping the grid-template-rows expand animation intact
(no conditional remount, so the open/close transition still runs).

Add a regression test that asserts `inert` is present while collapsed
and removed (or empty) while expanded, so a future revert of the fix
trips immediately.

Co-authored-by: Cursor <cursoragent@cursor.com>

* test(scratchlist): add Playwright e2e + isolated fixture page

The unit suite under jsdom can't verify the parts of the scratchlist
that actually live in the browser:

- `inert` blocks focus (jsdom ignores `inert`)
- the grid-template-rows collapse animation
- localStorage surviving a full page reload
- per-session keying surviving cross-route navigation
- Ctrl/Cmd+Shift+S firing the global expand+focus shortcut

Add a Playwright config + spec that drives a real Chromium against a
new Vite-served fixture (`web/e2e-fixtures/scratchlist-fixture.html`).
The fixture mounts the production `ScratchlistPanel` in isolation
inside an `I18nProvider` and exposes the promote callbacks on
`window.__scratchlistE2E` so the spec can assert that promote-to-
composer and promote-to-queue receive the right text without having
to spin up the hub, auth, or socket layer.

Nine specs cover:

1. starts collapsed, toggles
2. collapsed inner is `inert` and refuses focus / pointer
3. add: entry appears, draft clears, count updates
4. persistence across full page reload
5. promote-to-composer fires callback (entry stays - copy semantics)
6. promote-to-queue success path (entry removed)
7. promote-to-queue failure path (entry retained for retry)
8. Ctrl+Shift+S expands + focuses input
9. per-session isolation across navigation

Wires `bun run test:e2e` and `test:e2e:ui` at the repo root and
documents the harness in `web/README.md`. Bumps `playwright` 1.49.1
-> 1.60.0 alongside the new `@playwright/test` dep so the bundled
chromium-headless-shell-1223 (Chrome 148) is used; the older 131
binary SIGTRAPs on this kernel during launch. Adds
`test-results/` and `playwright-report/` to `.gitignore`.

Co-authored-by: Cursor <cursoragent@cursor.com>

* fix(scratchlist): key host by session.id to prevent cross-session leak

Upstream review (tiann/hapi#772, codex bot follow-up) flagged a state
leak across same-route session switches. ScratchlistPanel reads
`sessionId` once via `useState(() => readScratchlist(sessionId))` and
rehydrates in a `useEffect`. SessionChat stays mounted when the
operator switches sessions on the same `/sessions/$sessionId` route,
so the panel sees a new `sessionId` prop without unmounting. Effect
order during the prop change:

  1. render with sessionId=B but stale entries=[A's items]
  2. rehydrate effect: setEntries(read(B))    -> queues correction
  3. persist effect (deps [sessionId, entries] both changed):
     persistScratchlist(B, [A's items])       -> writes A into B
  4. re-render with sessionId=B, entries=B's items
  5. persist effect: persistScratchlist(B, B's items)
                                              -> overwrites the bug write

The bug is transient (step 3's write is corrected by step 5) but
real: any read between steps 3 and 5 (another tab, a SW prefetch,
manual inspection) sees A's data under B's key.

Fix is one line: `key={props.session.id}` on `<ScratchlistHost>`.
React unmounts and remounts the host when the key changes, so the
new mount's useState initializer reads B's storage from scratch and
never touches B's key with A's data. This is the React-canonical
"reset state on prop change" pattern; cleaner than chasing the race
inside the panel.

Add an e2e regression test that:

- installs a `localStorage.setItem` spy in `addInitScript`
- mounts the fixture under session A and adds an entry
- clears the spy, then switches to session B in-place via
  `window.__scratchlistE2E.setSessionId('leak-B')` (no page reload)
- asserts no recorded write to `hapi.scratchlist.v1.leak-B`
  contained A's text (catches the transient corrupting write
  deterministically, before the correction overwrites it)
- round-trips back to A to confirm A's storage is intact

The fixture grows a `?key=0` mode that drops the host's `key=` prop.
Verified red/green: with `key=0` the regression test fails on the
spy-detected corrupting write; with the fix in place (default), all
10 e2e specs pass.

Co-authored-by: Cursor <cursoragent@cursor.com>

---------

Co-authored-by: Cursor <cursoragent@cursor.com>
2026-06-04 17:55:29 +08:00

5.2 KiB

hapi-web

React Mini App / PWA for monitoring and controlling hapi sessions.

What it does

  • Session list with status, pending approvals, todos, and summaries.
  • Chat view with streaming updates and message sending.
  • Permission approval and denial workflows.
  • Permission mode and model selection.
  • Machine list and remote session spawn.
  • File browser and git status/diff views.
  • PWA install prompt and offline banner.

Runtime behavior

  • When opened inside Telegram, auth uses Telegram WebApp init data.
  • When opened in a normal browser, you can log in with CLI_API_TOKEN:<namespace> (or CLI_API_TOKEN for the default namespace).
  • The login screen includes a top-right hub picker; if unset, the app uses the same origin it was loaded from.
  • Live updates come from the hub via SSE.

Routes

See src/router.tsx for route definitions.

  • / - Redirect to /sessions.
  • /sessions - Session list.
  • /sessions/$sessionId - Chat interface.
  • /sessions/new - Create new session.
  • /sessions/$sessionId/files - File browser with git status.
  • /sessions/$sessionId/file - File viewer with diff support.
  • /sessions/$sessionId/terminal - Terminal interface.
  • /settings - Application settings.

Features

Session list (src/components/SessionList.tsx)

  • Active/inactive status indicator.
  • Session title from name, summary, or path.
  • Todo progress display.
  • Pending permission request count.
  • Agent flavor label (claude/codex/gemini).
  • Model mode display.

Chat interface (src/components/SessionChat.tsx)

  • Message thread with infinite scroll.
  • Composer for sending messages.
  • Permission mode toggle (default/acceptEdits/bypassPermissions/plan).
  • Model selection (default/sonnet/sonnet[1m]/opus/opus[1m]).
  • Session abort and mode switch controls.
  • Context size display.
  • Per-session scratchlist (src/components/AssistantChat/ScratchlistPanel.tsx)
    • Workbench panel for held notes/drafts; distinct from the queue.
    • Add/delete/reorder entries; promote to composer (copy) or queue (send).
    • Persists across reloads via localStorage keyed per session.
    • Keyboard shortcut: Ctrl/Cmd+Shift+S to focus the add-input.

File browser (src/routes/sessions/files.tsx)

  • Git status view (staged/unstaged files).
  • File search with ripgrep.
  • Navigate to file viewer.

File viewer (src/routes/sessions/file.tsx)

  • File content display with syntax highlighting.
  • Staged/unstaged diff view.

Terminal (src/routes/sessions/terminal.tsx)

  • Remote terminal via xterm.js
  • Real-time via Socket.IO
  • Resize handling

Voice assistant

  • ElevenLabs integration (@elevenlabs/react)
  • Real-time voice control

New session (src/components/NewSession/)

Modular session creation:

  • Machine selector
  • Directory input with recent paths
  • Agent type selector
  • Model selector
  • Permission mode toggle (YOLO mode)

Authentication

See src/hooks/useAuth.ts and src/hooks/useAuthSource.ts.

  • Telegram Mini App: Uses initData from WebApp SDK.
  • Browser: Uses CLI_API_TOKEN from login prompt.
  • JWT tokens with auto-refresh.

Data fetching

See src/hooks/queries/ for query hooks and src/hooks/mutations/ for mutations.

  • Sessions, messages, machines via TanStack Query.
  • Git status and file operations.
  • Optimistic updates for message sending.

Real-time updates

See src/hooks/useSSE.ts.

  • SSE connection to /api/events.
  • Session/message/machine update events.
  • Automatic cache invalidation on events.

Stack

React 19 + Vite + TanStack Router/Query + Tailwind + @assistant-ui/react + xterm.js + @elevenlabs/react + socket.io-client + workbox + shiki.

Source structure

  • src/router.tsx - Route definitions.
  • src/components/ - UI components.
  • src/hooks/ - Data fetching and state hooks.
  • src/api/client.ts - API client.
  • src/types/api.ts - Type definitions.

Development

From the repo root:

bun install
bun run dev:web

If testing in Telegram, set:

  • HAPI_PUBLIC_URL to the public HTTPS URL of the dev server.
  • CORS_ORIGINS to include the dev server origin.

Tests

Unit tests run under vitest + jsdom:

bun run test:web

End-to-end browser tests for the scratchlist component (real Chromium, real inert focus blocking, real localStorage round-trips) live at the repo root under e2e/:

bun run test:e2e          # headless
bun run test:e2e:ui       # Playwright UI mode (debug)

The spec drives a Vite-served fixture page (web/e2e-fixtures/scratchlist-fixture.html) that mounts the production ScratchlistPanel in isolation, so no hub / auth / socket setup is required.

Build

bun run build:web

The built assets land in web/dist and are served by hapi-hub. The single executable can embed these assets.

Standalone hosting

You can host web/dist on a static host (GitHub Pages, Cloudflare Pages) and point it at any hapi hub:

  1. Build the web app. If your static host uses a subpath, set the Vite base:
bun run build:web -- --base /<repo>/
  1. Deploy web/dist to your static host.
  2. Set hub CORS to allow the static origin (HAPI_PUBLIC_URL or CORS_ORIGINS).
  3. Open the static site, click the top-right Hub button on the login screen, and enter the hapi hub origin.

Clear the hub override in the same dialog to return to same-origin behavior.