docs(ios): device tunnel uses native usbmux, nothing to install

docs/manual/cli.md

@@ -53,7 +53,7 @@ sanderling doctor [--platform web|android|ios|ios-device|all]
 | `web` | headless Chromium can launch (the bundled CDP surface boots a real browser). |
 | `android` | `adb` on PATH; `emulator` on PATH or under `ANDROID_HOME`; Java 17+; embedded native sidecar JAR is real. |
 | `ios` | `xcrun` on PATH; `simctl` on PATH. The simulator path drives the native companion with no JVM. |
-| `ios-device` | the `ios` checks plus `devicectl`; `iproxy` on PATH; a connected, paired device; App Store Connect signing credentials present. |
+| `ios-device` | the `ios` checks plus `devicectl`; the macOS `usbmuxd` socket; a connected, paired device; App Store Connect signing credentials present. |
 
 ## `sanderling version`
 

docs/manual/getting-started.md

@@ -67,7 +67,7 @@ IOS_DEVICE="iPhone 15" just test-ios   # pick a different simulator
 
 #### Physical device
 
-A connected iPhone is driven over a usbmux tunnel by a runner the driver builds and signs at run time. It needs `iproxy` (libimobiledevice) on PATH and App Store Connect signing credentials in the environment (a gitignored `.env` is loaded by `just`):
+A connected iPhone is driven over a usbmux tunnel by a runner the driver builds and signs at run time. The tunnel talks to macOS's own `usbmuxd`, so nothing extra is installed beyond Xcode. It needs App Store Connect signing credentials in the environment (a gitignored `.env` is loaded by `just`):
 
 ```sh
 SANDERLING_IOS_TEAM=<10-char team id>
@@ -78,7 +78,7 @@ ASC_API_KEY_PATH=<absolute path to AuthKey_*.p8>
 IOS_DEVICE="iPhone" just test-ios-device   # name, UDID, or CoreDevice id
 ```
 
-Run `sanderling doctor --platform ios-device` to check `devicectl`, `iproxy`, a connected and paired device, and the signing credentials before a run.
+Run `sanderling doctor --platform ios-device` to check `devicectl`, the `usbmuxd` socket, a connected and paired device, and the signing credentials before a run.
 
 ### Web
 

internal/ios/device.go

@@ -10,8 +10,8 @@ import (
 )
 
 // Device is a physical iOS device resolved from devicectl. A device carries two
-// identifiers: HardwareUDID feeds xcodebuild -destination and iproxy -u, while
-// CoreDeviceID feeds devicectl install/uninstall.
+// identifiers: HardwareUDID feeds xcodebuild -destination and the usbmux device
+// match, while CoreDeviceID feeds devicectl install/uninstall.
 type Device struct {
 	Name         string
 	HardwareUDID string