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Jinwoo Hong
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* feat(mobile): answer navigate-back on the shell side of the bridge (OTA phase C, C2.2)
A page served at `/` holds the one history entry its entry wrote with
`replaceState`, so `history.back()` goes nowhere and a page Back button is
dead. The only stack with somewhere to go is the native one the shell pushed
the page onto.
Adds `notify { name: 'navigate-back' }` to the closed client union, gated on
the existing `navigate` grant rather than a name of its own: an app that can
open a screen can close one, and a new grant name would leave every route
declaring it native on every shell already shipped. `MOBILE_WEB_SHELL_GRANTS`
is unchanged and `BRIDGE_PROTOCOL_VERSION` is not bumped.
`bridgeNotifyRefusal` grows a name-to-grant table, since this is the first
notify whose name is not its grant's. The shell screen pops its own stack and
answers false when there is nothing left, which the host logs as
`navigate-back-refused` — nothing crosses back to the page either way, so
silence there is indistinguishable from a Back button that worked.
Inert until a consumer exists: no page posts the name yet.
Claude-Session: https://claude.ai/code/session_01JNnE9qzUZMMnqpZWCqM3nb
* feat(mobile): hand the page's dead Back button to the shell (OTA phase C, C2.2)
`useRouteHandoff` wrapped `push`, `replace` and `dismissTo` and left `back`
as expo-router's own, which inside the page pops a history of one and does
nothing. It now pops locally when the document grew a stack of its own, and
otherwise posts `navigate-back` for the shell to pop the native stack.
This is what makes the Tasks header's `onPress={() => router.back()}`
(`src/tasks/mobile-tasks-screen-chrome.tsx`) work once the C2.1 consumer
routes that screen's router through this seam; the barrel still reaches
expo-router directly, so nothing calls this yet.
A shell that granted no `navigate` falls through to the local router rather
than throwing out of a tap handler. A shell that granted `navigate` but is
too old to know the verb refuses the frame as `unrecognised-message` and
logs it; neither is distinguishable from the page, and the fallback goes
nowhere in both — which is exactly where Back already went.
Claude-Session: https://claude.ai/code/session_01JNnE9qzUZMMnqpZWCqM3nb
* docs(mobile): count back among the members that leave the page document
The header said three wrapped members driven by one answer. `back` is a
fourth, and it is not driven by that answer: it carries no target, so the
document's own stack decides it rather than the shell's route list.
Claude-Session: https://claude.ai/code/session_01JNnE9qzUZMMnqpZWCqM3nb
* test(mobile): complete the bridge hook probe in its two local literals
`Probe` grew `backPops`, and two cases build the object inline rather than
through `mount`. `tsc -p tsconfig.json` excludes test files, so only the
tests-typecheck ratchet saw it.
Claude-Session: https://claude.ai/code/session_01JNnE9qzUZMMnqpZWCqM3nb
* test(config): measure the stack the page Back button rests on (OTA phase C, C2.2)
`useRouteHandoff().back()` asks expo-router's `canGoBack()` whether this
document can serve a back itself, and that answer is React Navigation's, so
no unit test settles it. The render check now measures it in the browser it
actually runs in.
Read through `router.back()` on `/h/[hostId]/edit`, a real route of this tree
whose chevron is expo-router's own back, because the page exposes no handle
to call `canGoBack()` on and a global added for a test would ship forever.
Measured: the router has nowhere to go on the document the shell opens, and a
location change does not give it one either. So the handoff's `canGoBack()`
gate answers false for everything the shell or the browser can do to the
page, and its local branch belongs to a push the page makes through the
handoff itself.
The shell double now records every notify the page posts and takes the grant
list as a parameter, so a control that handed something to the shell can be
told from one that did nothing. The first case asserts a real tap crossing
the bridge, which is what makes the two absences after it evidence.
Claude-Session: https://claude.ai/code/session_01JNnE9qzUZMMnqpZWCqM3nb
* fix(mobile): refuse a second stack pop while the first is still queued (OTA phase C, C2.2)
`canGoBack()` and `back()` disagree about time. The first reads the committed
navigation state; the second only adds `GO_BACK` to expo-router's
`routingQueue`, which `useImperativeApiEmitter` drains from an effect. Two
`navigate-back` frames delivered in one native batch therefore both read the
stack the first pop has not left yet, both queue, and a three-deep stack
unwinds past the screen the page was opened over. The host forwards every
notify it is granted, so nothing upstream coalesced them.
`useShellStackPop` owns the pop and latches it. The latch clears on the
committed route rather than on a timer, because that commit is the first
moment `canGoBack()` answers for the stack the pop actually left; a pop that
takes this screen off the stack unmounts it and takes the ref with it.
`onNavigateBack` now answers `popped` / `nothing-to-pop` / `pop-pending` so
the `navigate-back-refused` diagnostic is true for the frame it names, and
the log dedupes per reason rather than burying the second behind the first.
Driven against expo-router 55.0.18's own `global-state/routing.js`,
evaluated verbatim with only its externals stubbed: a mock of `canGoBack`
is what hid this.
Claude-Session: https://claude.ai/code/session_01JNnE9qzUZMMnqpZWCqM3nb
* fix(mobile): make the notify grant table total over the union (OTA phase C, C2.2)
The table was `Record<string, string | undefined>` indexed with a plain
string, so a notify name with no row returned undefined, read as ungated,
and the host acted on a frame it had never granted. Adding a member to the
envelope's notify union raised no error anywhere — the hole was silent.
Keyed on `Extract<BridgeClientMessage, { type: 'notify' }>['name']` with
`string | null` values, an omitted row is now a TS2741 on the table itself,
and `bridgeNotifyRefusal` cannot be asked about a name the table has no row
for.
Adds the `navigate` and `storage` rows, which were missing: the host was
enforcing the navigate grant for `navigate-back` but not for `navigate`.
Both are inert while every page is offered every grant, and load-bearing the
moment a grant is per-route.
Claude-Session: https://claude.ai/code/session_01JNnE9qzUZMMnqpZWCqM3nb
* test(config): assert no page errors in the browser case that drives popstate (OTA phase C, C2.2)
The case that dispatches a synthetic `popstate` read its answer as "the page
did not move", and a throw under the page's fault boundary leaves the page
exactly there. Without the errors assertion the other two cases carry, that
absence was not evidence of what it claimed.
Claude-Session: https://claude.ai/code/session_01JNnE9qzUZMMnqpZWCqM3nb
* test(mobile): read the routing module's members instead of asserting them
The casting gate refuses the two assertions the loader used, and it is
right: a stub that stopped covering an import would have left the members
undefined and the test would have driven a half-evaluated module. Destructure
and check instead, so that case says so.
Claude-Session: https://claude.ai/code/session_01JNnE9qzUZMMnqpZWCqM3nb
* docs(mobile): name the two pops the stack latch never hears about (OTA phase C, C2.2)
The comment read as if the clear were exhaustive. It is not: a pop landing on
an equal pathname does not transition `usePathname`, and a `GO_BACK` the queue
discards commits no route at all — `routingQueue.run` shifts every action off
the queue whether or not `ref.current` is set.
Kept the pathname clear rather than moving to the navigator's `state` event.
The event would cover the first stick: `@react-navigation/core` 7.17.2 emits
`state` from an effect keyed on the navigator state object, and every pop
replaces it. It would not cover the second, which changes no state. And the
emitter is the navigator, not the routing module this hook is written and
tested against, so the switch cannot be earned by a test here the way the
queue behaviour was — it would rest on a mock of the signal under test.
Both sticks are bounded instead, in the commit that makes the latch one per
stack: the holder releases on unmount, so a stick lasts at most as long as the
screen that took it.
Claude-Session: https://claude.ai/code/session_01JNnE9qzUZMMnqpZWCqM3nb
* fix(mobile): hold one pending stack pop per stack, not per screen (OTA phase C, C2.2)
`MobileWebShellScreen` mounts at both `app/h/[hostId]/index.tsx` and
`app/h/[hostId]/web.tsx`, and `/h/a/web` is deep-linkable over `/h/a`, so two
shells can be mounted over one native stack. A latch per screen left each of
them holding its own, and two frames from two pages still unwound two screens.
The latch is module-scoped and carries which screen took it, so a shell whose
own route commits cannot release a pop another shell is still waiting on. The
holder also releases on unmount, which is what bounds the two pops the
pathname clear never hears about: a latch nobody is left to release would
outlive the stack it guards and leave Back dead for the session.
Both screen suites now unmount their trees between cases, because a tree that
is only dropped is a screen still holding whatever pop it took.
Claude-Session: https://claude.ai/code/session_01JNnE9qzUZMMnqpZWCqM3nb
* refactor(mobile): drop the gated-notify name list nothing reads (OTA phase C, C2.2)
`BRIDGE_GRANT_GATED_NOTIFY_NAMES` existed so a caller could ask which names
ride a grant. Once the table became total over the notify union, the table
itself answers that and the only readers left were the two assertions that
read the list for its own sake.
Deleted with them. The behaviour they stood next to is kept: the protocol's
own names are still asserted ungated through `bridgeNotifyRefusal`.
Claude-Session: https://claude.ai/code/session_01JNnE9qzUZMMnqpZWCqM3nb
* docs(mobile): say what the routing-module guard actually catches (OTA phase C, C2.2)
The comment claimed the guard catches a stub that stopped covering an import.
It does not: evaluating the module with every stub dropped still defines all
three exports, because the module assigns them whatever its imports resolved
to, and the failure surfaces later as `TypeError: Cannot read properties of
undefined (reading 'navigationRef')`.
What the guard does catch is an expo-router upgrade that renames or removes
one of the three members this test drives.
Claude-Session: https://claude.ai/code/session_01JNnE9qzUZMMnqpZWCqM3nb
* test(mobile): keep the second shell mounted across the holder's removal (OTA phase C, C2.2)
The harness swapped the tree's root element between a single shell, a
fragment of two, and a single shell again. Each swap remounts everything
under it, so the callbacks the cases held belonged to unmounted hooks. One of
those could still take the module-scoped latch, and the instance that took it
was already gone, so nothing was left to release it — the last case in the
file leaked the latch into whatever ran next.
The root is now one component with a slot per shell, so removing the holder
leaves the second shell's instance alone, and every pop is taken through a
callback re-read at call time.
`afterEach` now asserts the latch is clear by mounting a screen after every
other one is gone and requiring it to pop. Without it this leak was invisible:
it surfaces only in a following case, and the case that caused it was last.
Claude-Session: https://claude.ai/code/session_01JNnE9qzUZMMnqpZWCqM3nb
Orca
中文 · 日本語 · 한국어 · Español · Français · Português
The AI Orchestrator for 100x builders.
Run Codex, ClaudeCode, OpenCode or Pi side-by-side — each in its own worktree, tracked in one place.
Download Orca
Features
Mobile CompanionMonitor and steer your agents from your phone — get notified when an agent finishes and send follow-ups from anywhere. |
 |
Parallel WorktreesFan one prompt across five agents, each in its own isolated git worktree — compare the results and merge the winner. |
 |
Terminal SplitsGhostty-class terminals with WebGL rendering, infinite splits, and scrollback that survives restarts. |
 |
Design ModeClick any UI element in a real Chromium window to send its HTML, CSS, and a cropped screenshot straight into your agent's prompt. |
 |
GitHub & Linear, NativeBrowse PRs, issues, and project boards in-app — open a worktree from any task and review without a context switch. |
 |
SSH WorktreesRun agents on a beefy remote box with full file editing, git, and terminals — auto-reconnect and port forwarding included. |
 |
Annotate AI DiffsDrop comments on any diff line and ship them back to the agent — review, edit, and commit without leaving Orca. |
 |
Drag Files to AgentsVS Code's editor with autosave everywhere — drag files or images straight into an agent prompt. |
 |
Orca CLIAgents drive Orca too — script every workflow with |
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Also in the box:
- Quick open — Search across worktrees, files, agents, commands, and repo context without leaving your flow.
- Account switcher & usage tracking — See Claude and Codex usage and rate-limit resets, and hot-swap accounts without re-logging in.
- Rich repo previews — Preview Markdown, images, PDFs, and repo docs in the workspace.
- Computer Use — Let agents operate desktop apps and visible UI when a workflow needs real interaction.
- Notifications and unread state — Know when an agent finishes or needs attention, then mark threads unread to come back later.
- And many, many more — we ship daily, so this list is perpetually behind. The changelog is the real feature list.
Supported Agents
Works with any CLI agent — if it runs in a terminal, it runs in Orca.
Claude Code
Codex
Grok
Cursor
GitHub Copilot
OpenCode
MiMo Code
Amp
OpenClaude
Antigravity
Pi
oh-my-pi
Hermes Agent
Devin
Goose
Auggie
Autohand Code
Charm
Cline
Codebuff
Command Code
Continue
Droid
Kilocode
Kimi
Kiro
Mistral Vibe
Qwen Code
Rovo Dev
+ any CLI agent
Install
Desktop — macOS, Windows, Linux
- Download from onOrca.dev
- Or grab a build directly: macOS Apple Silicon · macOS Intel · Windows (.exe) · Linux AppImage · All builds
- Running
orca serveon a headless Linux server? See the headless Linux server guide.
Or via a package manager:
# macOS (Homebrew)
brew install --cask stablyai/orca/orca
# Arch Linux (AUR) — or stably-orca-git to build from source
yay -S stably-orca-bin
Mobile Companion — iOS, Android
Pair with your desktop app to monitor and steer your agents from your phone.
- iOS: Download on the App Store or join TestFlight
- Android: Download APK 0.0.48 · Install guide
Community & Support
-
Discord: Join the community on Discord.
-
Twitter / X: Follow @orca_build for updates and announcements.
-
WeChat: Scan to join the Orca community WeChat group 8. Group 8 may be full; if so, scan the Group 9 QR code instead.
-
Feedback & Ideas: We ship fast. Missing something? Request a new feature.
-
Privacy: See the privacy & telemetry docs for what anonymous usage data Orca collects and how to opt out.
-
Show Support: Star this repo to follow along with our daily ships.
Developing
Want to contribute or run locally? See our CONTRIBUTING.md guide.
The relay that pairs the mobile app with a desktop host is also in this repository under
cloud/, with a separate pnpm workspace and setup guide.
Signed Builds
Windows code signing sponored/provided by SignPath.io, certificate by SignPath Foundation.
License
Orca is free and open source under the MIT License.