docs(ios): refresh stale OSC references

ARBodySession header comment and Info.plist usage strings
still described the removed OSC/UDP path; update them to the
USB transport and drop the dead _osc._udp Bonjour service.

iphone-arbody/ARBodyTracker.swiftpm/Sources/ARBodyTracker/ARBodySession.swift

@@ -5,14 +5,10 @@ import Foundation
 import RealityKit
 import SwiftUI
 
-/// Drives the ARKit body-tracking session and broadcasts joints to
-/// GrosMac via OSC UDP. Two destinations are supported simultaneously :
-/// - Python `IphoneOSCListener` on :57128 (drives ArkitFuse + cam-z lock)
-/// - Swift `ArkitOSCListener` on :57129 (diagnostic overlay in AVLiveBody)
+/// Drives the ARKit body-tracking session and streams the 91-joint
+/// skeleton plus HEVC-encoded camera video to the tethered Mac over
+/// USB (AVLiveWire frames via usbmuxd). No network involved.
 ///
-/// LiDAR (sceneDepth + scene reconstruction mesh) is enabled when the
-/// device supports it (iPhone Pro / Pro Max). RGB-only fallback on
-/// non-LiDAR devices.
 /// Lightweight 2D snapshot of the tracked skeleton, ready for SwiftUI
 /// Canvas. Joint indices follow `ARSkeletonDefinition.defaultBody3D`.
 struct SkeletonSnapshot: Equatable {

iphone-arbody/ARBodyTracker.swiftpm/Sources/ARBodyTracker/Info.plist

@@ -15,11 +15,7 @@
     <key>NSCameraUsageDescription</key>
     <string>Required for ARKit body tracking and LiDAR depth capture.</string>
     <key>NSLocalNetworkUsageDescription</key>
-    <string>Streams ARKit body joints (OSC/UDP) to the AV-Live host on the local network.</string>
-    <key>NSBonjourServices</key>
-    <array>
-        <string>_osc._udp</string>
-    </array>
+    <string>Streams ARKit body tracking and camera video to a tethered Mac over USB.</string>
     <key>UIApplicationSceneManifest</key>
     <dict>
         <key>UIApplicationSupportsMultipleScenes</key><false/>