Jinwoo HongandClaude
65cde9bb80
* fix(mobile): name the custom-key drawer's Back for the accessibility tree (OTA phase C, C4.3) `CustomKeyModal`'s Back is a bare `Pressable` with a label and no role, so a screen reader has nothing to announce it as. It is reachable today from the session sheets and the terminal shortcut settings, so this is a gap now, not only inside the page. It surfaces here because `screenTree` takes a screen's directory: C4.4 registering the review route puts the whole of `src/components` under the Back rule. Fixing it in the PR that registers would make a route entry carry unrelated accessibility work, so the census gains a case that holds the arriving trees to the same two rules before the rows land. Red first it printed exactly what the rule would: src/components/CustomKeyModal.tsx:191 role=none label=Back Once `PAGE_SERVED_SCREENS` has the two rows, `CONTROLS` covers these trees and the new case becomes a second reading of the same thing; it says so. Claude-Session: https://claude.ai/code/session_01JNnE9qzUZMMnqpZWCqM3nb * fix(mobile): split the source-control header's Close from its Back (OTA phase C, C4.3) One `Pressable` served both modes — `onPress={onBack}` with a conditional label, `X` docked and `ChevronLeft` full-screen. The Back census reads a control by what its handler does, so it sees that one as a Back and then requires a label starting with "Back", in a mode where the control dismisses the dock beside the terminal. The cheap way to go green is to call a close "Back", which satisfies the rule by making the wording wrong. So the modes become two controls. Embedded presses `onClose` and is named "Close source control"; otherwise it presses `onBack` and is named "Back to session". Both carry the button role. The panel stops choosing by mode and passes both handlers; the dock keeps exactly the behaviour it had, its dismiss still `onRequestClose` falling back to a pop. Probed before it was written: run through the census's own predicate, the post-split shape yields one back control rather than two — `onClose` matches neither the handler pattern nor a declaration this file holds, being a destructured prop — so the Close is invisible to the rule and the presence precondition still holds on the Back. The component test is what the census cannot do. Nothing else pins this: no golden names this component and no parity census covers `src/source-control`. Red first against the single control, both cases failed on the missing role. And renaming the Close to "Back to close source control" — the gaming this split exists to prevent — reds the component test while leaving the census green, which is the whole argument for having both. Claude-Session: https://claude.ai/code/session_01JNnE9qzUZMMnqpZWCqM3nb * fix(mobile): assert a Back per arriving tree, and name the refresh control (OTA phase C, C4.3 round 1) The arriving-trees presence case counted controls over the union of both trees, so one tree answered for the other. Per tree now, in the shape the block above it already uses per screen module. Red first, with the mutation round 1 named: rename the route branch's handler to `onDismiss` and its label to `Return to session`, and the only Back in `src/source-control` disappears. The per-tree case names that tree. The same mutation against the union count passes all six cases, which is what the change is for. The refresh control had a label and no role, so react-native-web renders a `div` carrying `aria-label` and a screen reader announces no control. Its two siblings in this header already carry one. Two claims in my round-1 report were wrong and I am the reason the body carried them. The Close pressing `onBack` reds the census's label rule as well as the component test, not the component test alone; and no fixture of the post-split shape exists — the shape is read from the real file. Both were stated from reasoning rather than from a run. Claude-Session: https://claude.ai/code/session_01JNnE9qzUZMMnqpZWCqM3nb * test(mobile): assert an arriving Back per screen, not per tree (OTA phase C, C4.3 round 2) Round 1 moved the arriving-trees presence assertion from the union to each tree, which was not far enough. `src/components` holds two Backs, so the tree answers for both: renaming `MobileDiffReviewHeader`'s handler to `onDismiss` and its label to `Return to session` leaves every case in the file green, with `CustomKeyModal.tsx:191` standing in for the screen that just lost its Back. Reproduced before the change — six passed with the review header's Back gone. Per screen module now, which is what the table above already does and for the same reason its docstring gives: a directory with more than one control cannot say which one a rule was written about. The two modules are named and the trees derive from them, so the pair C4.4 adds to `PAGE_SERVED_SCREENS` is the same pair spelled once here. Both mutations red on the new case and name the file: the review header's rename names `src/components/MobileDiffReviewHeader.tsx`, and round 1's source-control rename still names its own, so this does not trade one cover for another. Claude-Session: https://claude.ai/code/session_01JNnE9qzUZMMnqpZWCqM3nb --------- Co-authored-by: Claude <noreply@anthropic.com>
Orca Mobile
React Native companion app for Orca. Monitor worktrees, view terminal output, and send commands from your phone.
Local development uses two processes:
- Orca desktop/Electron from the repo root. This hosts the mobile WebSocket RPC server on port
6768. - Expo Metro from
mobile/. This serves the React Native app on port8081.
Unless a command says otherwise, run mobile app commands from the mobile/ directory.
Prerequisites
- Node.js 24+
- pnpm
- Xcode and/or Android Studio tooling for simulator or device builds
- Expo Go on your phone, or a development client build when native modules are needed
- Phone and desktop on the same LAN when testing a physical phone
Start Desktop Orca
From the repository root:
pnpm install
pnpm dev
Confirm the mobile RPC server is listening:
lsof -nP -iTCP:6768 -sTCP:LISTEN
Restart pnpm dev after changing Electron main-process code. Metro hot reload only applies to the mobile JavaScript bundle.
Start The Mobile App
cd mobile
pnpm install
pnpm start
Scan the Expo QR code with your phone's camera on iOS, or Expo Go on Android.
For a native dev-client build:
pnpm exec expo run:android
pnpm exec expo run:ios
pnpm start --dev-client
Pair With Desktop Orca
- Open Orca desktop.
- Go to Settings > Mobile.
- Scan the pairing QR code from the mobile app.
- Confirm the mobile host endpoint is
ws://<desktop-ip>:6768.
For the Android emulator, use ws://10.0.2.2:6768. For a physical phone, use the desktop LAN IP, for example ws://192.168.0.179:6768.
If the phone has a stale host entry, remove it from the app and pair again.
Development Paths
Android Phone
- Install Expo Go from Google Play
- Run
pnpm start, scan QR with Expo Go - For native modules:
pnpm exec expo run:android - Run with
pnpm start --dev-client
iOS Simulator
- Install Xcode from the App Store
- Run
pnpm start --iosto open in iOS Simulator
Physical Phone Debugging
The phone can be inspected through the connected device tooling:
orca snapshot --json
orca click --element @e3 --json
orca fill --element @e1 --value "ls" --json
orca screenshot --json
Use snapshot first to find the current element refs, then click/fill those refs. After mobile file edits, Metro usually hot reloads automatically, but navigating out of and back into the session screen can be useful because it re-runs terminal.subscribe.
Terminal Streaming Repro Without A Phone
Use this when terminal output does not render on device and you need to split server streaming bugs from WebView/UI bugs:
cd mobile
ORCA_MOBILE_WS_URL=ws://127.0.0.1:6768 pnpm exec tsx scripts/test-subscribe.ts <deviceToken> <serverPublicKeyB64>
You can pass a worktree selector as the third argument:
pnpm exec tsx scripts/test-subscribe.ts <deviceToken> <serverPublicKeyB64> "id:<worktreeId>"
pnpm exec tsx scripts/test-subscribe.ts <deviceToken> <serverPublicKeyB64> "path:/absolute/worktree/path"
pnpm exec tsx scripts/test-subscribe.ts <deviceToken> <serverPublicKeyB64> "name:my-worktree"
The expected result includes:
streamSawMarker: true
readSawMarker: true
If this repro fails, debug the desktop runtime/PTY path before the mobile WebView. If it passes but the phone is blank, debug the session screen or TerminalWebView readiness/queueing path.
Terminal Color Repro Without A Phone
Use this when terminal colors disappear after switching tabs. Open a Claude Code terminal and at least one other terminal in the target worktree, then run:
cd mobile
ORCA_MOBILE_WS_URL=ws://127.0.0.1:6768 pnpm exec tsx scripts/repro-terminal-colors.ts \
<deviceToken> <serverPublicKeyB64> "id:<worktreeId>"
The script captures terminal.subscribe snapshots in an A → B → A sequence and writes raw snapshots to mobile/terminal-color-repro/. If the two A snapshots have different sgrColor counts, the desktop snapshot changed during the switch. If they match, the ANSI color data is still present and the bug is in mobile replay/rendering.
Validation
Run these checks before committing mobile terminal changes:
cd mobile
pnpm exec tsc --noEmit
pnpm run check:tests-typecheck
pnpm lint
cd ..
pnpm typecheck:node
tsc --noEmit reads tsconfig.json, which excludes test files so Metro never bundles them.
tsconfig.test.json puts them back, and pnpm run typecheck:tests shows their errors in full.
check:tests-typecheck is the gate over it: a ratchet against tests-typecheck-baseline.txt, the
127 test files that do not typecheck yet. It fails when a file that checks today stops checking,
and when a baseline entry starts checking (prune it with
node scripts/check-tests-typecheck-ratchet.mjs --prune). The list may only shrink.
The same gate censuses the program first: every *.test.ts(x) on disk must be in it, or named in
the script's TESTS_OUTSIDE_PROGRAM with a reason. Without that, a test excluded from
tsconfig.test.json — or a Foo.test.tsx shadowed by a Foo.test.ts beside it, which a wildcard
include drops for the higher-priority extension — would leave the ratchet silently.
Protocol Version Compatibility
Mobile and desktop talk over a versioned protocol. Because mobile updates lag desktop by 24-48h via the App Store, both sides exchange version numbers on status.get so a genuinely incompatible combo can hard-block instead of silently misbehaving.
Constants live in two files (Metro can't resolve outside mobile/):
src/shared/protocol-version.ts—DESKTOP_PROTOCOL_VERSION,MIN_COMPATIBLE_MOBILE_VERSIONmobile/src/transport/protocol-version.ts—MOBILE_PROTOCOL_VERSION,MIN_COMPATIBLE_DESKTOP_VERSION
Today all four are set so evaluateCompat always returns { kind: 'ok' } — nothing blocks. The wire format is in place to flip a switch when needed.
When to bump
Bump DESKTOP_PROTOCOL_VERSION (and the mobile mirror MOBILE_PROTOCOL_VERSION when relevant) for breaking changes:
- Removed RPC method or required parameter that mobile uses
- Changed meaning (units, nullability) of an existing field mobile reads
- Changed encryption, framing, or auth handshake
Do not bump for additive changes:
- New RPC methods
- New optional fields on existing methods
- New event types in
terminal.subscribe
Set MIN_COMPATIBLE_MOBILE_VERSION (kill-switch) when desktop ships a change that requires a minimum mobile version to function safely. Same for MIN_COMPATIBLE_DESKTOP_VERSION from the mobile side.
When a verdict is blocked, mobile/src/components/ProtocolBlockScreen.tsx renders a screen pointing the user at either the App Store (mobile too old) or GitHub Releases (desktop too old).
To exercise the block screen locally: set MIN_COMPATIBLE_DESKTOP_VERSION = 999 in mobile/src/transport/protocol-version.ts, rebuild, pair to any desktop. Revert before merging.
Mock Server
Develop the mobile app without a running Orca desktop instance:
pnpm mock-server # starts mock WebSocket server on port 6768
Connect from the app using endpoint ws://localhost:6768 and token mock-device-token.
Environment variables
MOCK_NATIVE_CHAT=1— serve the native-chat scenario (one live agent tab, empty transcript, image upload) instead of the default terminal fixtures.MOCK_CHAT_AGENT=omp— withMOCK_NATIVE_CHAT=1, present an OMP tab and four decoded transcript messages, including a tool call and result, instead of the default Claude scenario. It deliberately omitstranscriptPathto exercise legacy-hook readability discovery; current OMP hooks may report a path.MOCK_SERVER_KEY_FILE— persist the server keypair across restarts so a paired device keeps its public-key pin. A missing or invalid file is re-keyed with a warning, which forces a re-pair.
Scenario control files
Read on every request, so behaviour can be flipped mid-session without a restart (a restart would re-key E2EE and force a re-pair). Write the mode into the file, or delete it for the default.
MOCK_SEND_MODE_FILE(defaultorca-mock-send-modein the system temporary directory) —accept(default) accepts the send,errorfails it withmobile_input_floor_unavailable, anything else reports the send as rejected.MOCK_TERMINAL_LIST_MODE_FILE(defaultorca-mock-terminal-list-modein the system temporary directory) —omitreturns an empty terminal list,otherreturns a list that omits the chat handle, anything else lists it.MOCK_TERMINAL_STREAM_MODE_FILE(defaultorca-mock-terminal-stream-modein the system temporary directory) —deadanswers a subscribe withsubscribedthenend(a gone PTY), which is what exercises the rearm bound and terminal prune; anything else streams normally.
Connecting to Real Orca
- Start Orca desktop with WebSocket transport enabled
- In Orca, go to Settings > Mobile and scan the QR code with this app
- The QR encodes the connection endpoint, device token, and TLS fingerprint
Project Structure
mobile/
├── app/ # Expo Router screens (file-based routing)
│ ├── _layout.tsx # Root layout with navigation stack
│ ├── index.tsx # Home screen — paired hosts list
│ └── pair-scan.tsx # QR code scanning screen
├── src/
│ ├── terminal/ # Terminal WebView and xterm bridge
│ └── transport/ # WebSocket RPC client
├── scripts/
│ ├── test-subscribe.ts # Desktop streaming repro without a phone
│ └── mock-server.ts # Standalone mock WebSocket server
└── assets/ # App icons and splash screen