feat: add iOS device perf sampling

README.md

@@ -65,8 +65,8 @@ In non-JSON mode, core mutating commands print a short success acknowledgment so
 
 - Startup timing is available on iOS and Android from `open` command round-trip sampling.
 - Android app sessions also sample CPU (`adb shell dumpsys cpuinfo`) and memory (`adb shell dumpsys meminfo <package>`) when the session has an active app package context.
-- Apple app sessions on macOS and iOS simulators also sample CPU and memory from process snapshots resolved from the active app bundle ID.
-- Physical iOS devices still report CPU and memory as unavailable in this release.
+- Apple app sessions on macOS and iOS simulators sample CPU and memory from process snapshots resolved from the active app bundle ID.
+- Physical iOS devices sample CPU and memory from a short `xcrun xctrace` Activity Monitor capture against the connected device, so `perf` can take a few seconds longer there than on simulators or macOS.
 
 ## Where To Go Next
 

package.json

@@ -74,6 +74,7 @@
     "android"
   ],
   "dependencies": {
+    "fast-xml-parser": "^5.5.10",
     "pngjs": "^7.0.0"
   },
   "devDependencies": {