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hapi/web
3e2e48222a fix(cursor): migrator path-priority + ambiguity surface (closes #844 regression) (#877)
* fix(cursor): migrator path-priority + ambiguity surface (closes #844 regression)

The legacy-to-ACP migrator's `findLegacyChatStore()` walks
`~/.cursor/chats/<workspace-hash>/<cursorSessionId>/store.db` via
`readdirSync()` and returns the FIRST match. When the same cursor
session id exists in more than one workspace-hash drawer (operator
opened the session from a worktree, an old workspace clone, etc.)
the readdir order picks an arbitrary candidate. The migrator then
transplants alien content into the ACP target, deletes the source
drawer, and reports success - because the verify probe only checks
"loads cleanly", not "loaded the right content". Operator session
resurrects with no recall of its real history.

Four-part fix (all four must land together):

1. Path-priority discovery in `findLegacyChatStore(id, home, cwd?)`:
   - Optional 3rd arg = canonical workspace path (caller passes
     `session.metadata.path`).
   - Compute md5(cwd) and check that drawer FIRST.
   - Fall back to readdir scan only if the canonical drawer is empty.
   - If 2+ candidates remain after fallback, throw
     `AmbiguousLegacyStoreError` listing all of them
     (workspaceHash, sizeBytes, mtimeMs).
2. Ambiguity surface in `maybeAutoMigrateLegacyCursorSession`:
   - Catch `ambiguous_legacy_store` / `size_mismatch` refusals and
     promote `cursorMigrationState` from 'in_progress' to a new
     'ambiguous' state instead of silently clearing the banner.
     Operator sees an actionable web-banner.
3. Size sanity check before transplant:
   - Compare HAPI's known message count (new `MessageStore.countMessages`
     + `CursorLegacyMigratorDeps.getHapiMessageCount` dep) against
     the candidate `store.db`'s blob count. If message count > 100
     AND blob count < messageCount/4, refuse with `size_mismatch`.
   - Skipped when message count is 0 (brand-new session) or the dep
     is unwired (unit tests, CLI direct callers).
4. Diagnostic logging on every successful transplant:
   - `[migrator] transplanted` info log capturing cursorSessionId,
     picked workspaceHash, candidate count discovered, sourceBytes,
     sourceBlobCount, targetAcpPath, sourceRemoved, canonical-path
     md5. Future regressions of this bug shape are diagnosable from
     `journalctl -u hapi-hub` without blob-overlap forensics.

Tests added in `hub/src/cursor/cursorLegacyMigrator.test.ts`:
  - regression guard for single-drawer discovery
  - canonical-path wins over readdir order
  - ambiguity throws with all candidates listed (3-drawer + 2-drawer
    no-canonical-arg variants)
  - canonical-path resolves ambiguity cleanly
  - listLegacyChatStoreCandidates enumeration
  - workspaceHashFromPath shape
  - migrateOne happy path with canonical workspace + 3 sibling decoys
  - migrateOne refuses with ambiguous_legacy_store (3 drawers, no
    canonical match) and leaves all sources untouched
  - migrateOne proceeds when canonical path resolves
  - size_mismatch refuses tiny candidate when messageCount=6000
  - size_mismatch passes when candidate blob count meets the floor
  - size sanity skipped on messageCount=0, missing dep, throwing dep,
    boundary (messageCount=100)
  - countLegacyStoreBlobs returns counts / null on bad path
And in `hub/src/sync/syncEngineAutoMigrate.test.ts`:
  - cursorMigrationState promoted to 'ambiguous' on
    ambiguous_legacy_store / size_mismatch refusals.

Schema:
  - `shared/src/schemas.ts`: cursorMigrationState enum gains 'ambiguous'.
  - `shared/src/apiTypes.ts`: CursorMigrateRefusalReason gains
    'ambiguous_legacy_store' + 'size_mismatch'.

Real-world repro (operator's tooling session, 2026-06-09): three legacy
drawers contained one cursor session id - one with the real 21k-blob
history, two with stale 19/568-blob diagnostic snapshots. Migrator
silently transplanted the 568-blob alien content; resurrected session
had no memory of prior history. Manual rescue completed; this fix
prevents recurrence and surfaces the ambiguity to the operator instead.

* fix(cursor): address cold review on migrator path-priority fix

Self-review against the cold-PR rubric surfaces four polish items on
the previous commit; all four addressed in-loop before push.

- Major: `migrator:transplanted` candidate count was captured AFTER
  the source rm, so for the dominant single-candidate happy path the
  log reported `candidateCount=0, sourceRemoved=true`. Useless for
  diagnosing a future regression of the bug shape this PR is fixing.
  Snapshot candidates + source-side size + source-side blob count
  BEFORE any destructive step and use those for the log.
- Minor: `sourceBytes` and `sourceBlobCount` were read from the
  destination path (acpSessionDir/store.db). The cp guarantees they
  match, but the field names imply source-side measurement. Now they
  measure the source directly.
- Minor: `setCursorMigrationStateAmbiguous` silently returned false on
  cache miss / repeated version mismatch / write failure, letting the
  finally{} block clear the banner without any log. Now emits a
  warn-level log so the gap is diagnosable from journalctl.
- Minor: `findLegacyChatStore` is exported public API and used as a
  free function in unit tests. An out-of-band caller bypassing
  preflightSession could pass `..` or `/etc/passwd` and have the inner
  `join(chatsRoot, wsh, id, 'store.db')` resolve to an arbitrary on-
  disk path. The probe is read-only `statSync` so blast radius is
  small, but enforce the same CURSOR_SESSION_ID_RE at the function
  boundary as a defence-in-depth. New unit test locks the behaviour.

Hub test suite: 414 pass, 0 fail. Typecheck clean across cli/web/hub.

* fix(cursor): cold-review polish on migrator path-priority (tiann/hapi#873)

- Web `CursorMigrationBanner` now renders a "Manual review needed"
  state for `cursorMigrationState === 'ambiguous'` (Major #1: caller
  was promoting the metadata flag but no UI surfaced it).
- Pin the md5-fixture contract for `workspaceHashFromPath`: raw,
  no-normalization, trailing-slash-distinct hashes computed via
  `printf '%s' <path> | md5sum` (Major #2: prevents algorithm drift
  that would silently revert path-priority discovery to fallback).
- Snapshot full candidate set BEFORE the canonical fast-path resolves
  a single drawer so the `migrator:transplanted` log reports the
  decision-time count, not a post-rm undercount (Minor #1).
- Warn log when canonical-path drawer is missing but readdir hands
  back exactly one candidate - regression-equivalent behaviour, but
  the size mismatch warrants a journalctl trail (path-normalization
  corner case the maintainer can grep for).
- Boundary test: `messageCount = 101` (first value above the skip
  threshold) engages the size sanity check, pinning the cutoff
  contract (Nit).
- Schema docstring on `cursorMigrationState` enum spelling out the
  banner contract per value (Nit).
- syncEngine `getHapiMessageCount` warn-logs `countMessages` throws
  instead of silently downgrading to 0 (would chronically disable
  the floor).

Drafted with claude-4.6-sonnet-thinking via Cursor; reviewed and
tested by the operator. tiann/hapi#873.

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

* fix(cursor): correct log-search strings in ambiguous banner copy

The en/zh-CN locale strings told users to grep for
'migrator:ambiguous_legacy_store' and 'migrator:size_mismatch'
but the hub emits '[migrator] ambiguous legacy store; refusing
transplant' and '[migrator] size sanity check refused transplant'.

Fix both locale files to quote the actual log prefix so the
journalctl grep the operator is directed to actually hits.

Addresses tiann/hapi#877 bot finding (Minor).

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

* fix(cursor): address #877 bot Minor findings (trim + boundary guard)

- Remove .trim() from canonical path before hashing: Cursor hashes
  raw workspace-path bytes; trimming a POSIX path with leading/
  trailing spaces would hash to the wrong drawer, causing a false
  canonical miss and potential ambiguity refusal.

- Add CURSOR_SESSION_ID_RE guard to listLegacyChatStoreCandidates:
  the function was exported without the same traversal-ID boundary
  check present in findLegacyChatStore. A future direct caller
  bypassing findLegacyChatStore could stat paths outside the intended
  <wsh>/<cursorSessionId>/store.db shape.

- Move CURSOR_SESSION_ID_RE declaration above both functions that
  reference it so there is no temporal-dead-zone hazard.

Addresses tiann/hapi#877 bot review Minor findings.

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

---------

Co-authored-by: Cursor <cursoragent@cursor.com>
2026-06-11 09:11:58 +08:00
..
2026-03-24 12:32:37 +08:00
2025-12-19 15:26:33 +08:00
2026-05-20 20:47:16 +08:00

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.